Topex MobiLink IP User Manual

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TOPEX MobiLinkIP Preliminary Manual

TOPEX MobiLink IP

2G/3G+ VoIP-2-Mobile Gateway

With Web Interface

User Manual

2009

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TOPEX MobiLinkIP Preliminary Manual

Thank you for purchasing the TOPEX MobiLinkIP product and congratulation for your wise choice.

MobiLinkIP has the following features:

• VoIp-2- Mobile interface

Two modules for GSM or 3G mobile networks

• Dual Mobile for reliability

It uses two cellular modems (non-synchronous) to automatically select the network with the best price for the call coverage in the operating area.

• Ease of Use

Web based configuration interface. No additional programs are required.

• Dual Flash Memory

For enhanced reliability, the embedded system uses a dual Flash memory. One flash circuit is write-protected, being dedicated for the operating system (kernel). The other flash circuit is for the applications, which can be easily updated, upgraded or enhanced.

• Easy Firmware Updating

Automatic update process using the web configuration interface.

• Highly versatile

It can be used together with an IP-PBX, for SIP subscribers. It may be also used as standalone, with a soft-phone or hardware IP phone.

• Multiple mobile networks and standards supported

The embedded modem, a multi-mode device for GSM/3G network is also multi-band. This way one may use any mobile network available in the area: from classic GSM (2G) in the 800/900/1800 MHz frequency bands, up to 3G on 2100 MHz.

• Simple installation and operation

Its installation is simple; just insert the SIM cards and plug in the cables (Ethernet connection, external antennas, and power adapter).

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WEEE Directive Compliance

WEEE Directive

This symbol applied on the product or on its packaging means that this product fulfils the WEEE Directive. The product shall not be recycled as household waste; it will be disposed separately as sorted waste. At the end of its life it will be given to a specialized recycle firm.

! Please do not dispose of the TOPEX product as unsorted

waste (household waste), recycle it to protect the environment. Separate the packages according to waste disposal options and sort it for recycling.

For supplementary information contact us to:

Phone: +4021 408.39.00 or www.topex.ro

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Contents

INTRODUCTION ..................................................................................................... 6

PACKAGE CONTENT .............................................................................................. 9

1.MobiLink IP FEATURES .................................................................................... 10

IDENTIFICATION .................................................................................................. 11

LABELS AND IDENTIFICATORS ............................................................................... 11

SIGNIFICANCE OF LABELS ..................................................................................... 11

SOFTWARE INFORMATION ..................................................................................... 14

INSTALLATION ..................................................................................................... 15

ESTABLISHING THE BEST LOCATION ..................................................................... 16

MOUNTING (HARDWARE INSTALLATION) ............................................................... 16

IDENTIFICATION OF CONNECTORS ........................................................................ 17

CONNECTING THE DATA CABLES .......................................................................... 17

CONFIGURING AND INSTALLING THE SIM CARDS .................................................. 19

Connecting the external antennas ........................................................................ 21

Power up ............................................................................................................... 23

Status indicators ................................................................................................... 23

CONFIGURATION ................................................................................................ 24

Required conditions for configuration ................................................................. 24

Using the web interface ...................................................................................... 24

NETWORK ........................................................................................................... 32

Status ............................................................................................................... 33

IP Settings ........................................................................................................ 35

1.1.1Static Routes ............................................................................................ 37

Commit ............................................................................................................. 39

SNTP Client ....................................................................................................... 39

Mobile ................................................................................................................. 41

Status ............................................................................................................... 41

Settings ........................................................................................................... 44

VoIP ....................................................................................................................... 46

Codec Settings .................................................................................................. 46

DTMF Settings .................................................................................................. 48

5.5.3 Voice Settings .......................................................................................... 48

PBX ........................................................................................................................ 50

Status ............................................................................................................... 50

Settings ............................................................................................................ 53

Incoming calls ................................................................................................... 55

Outgoing calls ................................................................................................... 56

PBX Querry ....................................................................................................... 57

Log Settings ...................................................................................................... 58

SYSTEM ............................................................................................................... 59

Status ............................................................................................................... 60

Syslog View ...................................................................................................... 61

Syslog Settings ................................................................................................. 62

Update .............................................................................................................. 62

Password .......................................................................................................... 68

Password .......................................................................................................... 69

Save .................................................................................................................. 70

Load .................................................................................................................. 71

TECHNICAL SPECIFICATIONS ............................................................................... 73

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OPERATING ENVIRONMENT ................................................................................. 74

GLOSSARY ........................................................................................................... 76

Revision G, firmware 1.0.1-M2P-SAX, edition September 2009.

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INTRODUCTION

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REASON FOR THE INTRODUCTION OF THIS PRODUCT:

- To complete the line of MobiLink products

MobiLinkIP is a new member of the Topex family of gateways and PBXs. It is a compact variant of the classic VoIP to mobile gateway, featuring just two mobile modules and an ETH port. While previous MobiLink devices connected analogue (FXO/FXS) or digital (ISDN NT/TE) phone ports to mobile networks, this one has a Voice over IP port, since it was designed to convert outgoing and incoming calls from VoIP to mobile. The purpose remains the same, cutting down the costs of cellular calls, but the new mobile-2-VoIP interface with LCR capabilities represents a new approach in convergence between VoIP and home or corporate mobile communications.

By interfacing between mobile networks and IP it allows end customers to benefit by

saving costs, while its two modules design provides scalability and flexibility.

Scalability means that one can build up the solution cost effectively, by adding another device for each extra pair of mobile channels required. Flexibility means that, while previous convergence equipment from Topex did provide tens of VoIP and GSM channels on the same location, the new product allows one to build a distributed solution, with individual MobiLinkIP devices located exactly where it is needed in different countries or even continents.

- To extend the range

While the analogue or digital MobiLink equipment allowed connections to phone terminals or PBX’s located a few meters or up to 1000m away, with MobiLinkIP the length of the connection becomes infinite. The mobile gateway may be located anywhere in the world and still perform an interface task.

Support, debugging and firmware upgrading can also be performed faster and from a longer distance. Previous versions of the MobiLink were connected to a local computer via serial RS-232 or USB cable. This allows management of the device, using an OAM program, sending/receiving SMS and diagnostic or update of the firmware. These operations had to be performed from the computer connected to it!

With this new MobiLinkIP, the management computer can be in anywhere in the world. The professional who performs debug or update of firmware connects to it remotely, via IP networks.

Intended use

MobiLinkIP was also intended to be a complimentary product for the line of Class 4 & Class 5 Topex Soft-switches, allowing cost-effective access to mobile networks for the SIP users registered to the Topex IP-PBX.

Using the MobiLinkIP can be beneficial for home users too, but it was intended for office use, both for companies that have many foreign affiliates and for small to medium companies that already own an IP infrastructure. Companies with international offices can use one or several MobiLink IP devices at each location - the calls will be routed as VoIP via Internet to the respective locations where they will be terminated as local GSM calls to the respective mobile networks, with minimum costs.

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Enterprises with existing IP infrastructure will use the MobiLink devices to terminate the calls to mobile networks, achieving substantial savings on outgoing and incoming calls from IP to GSM networks and vice versa.

It can also be used by providers, ensuring low-cost call termination at different locations throughout the world. VoIP calls originating from anywhere can be sent via Internet to be terminated through MobiLinkIP devices located at the corresponding sites. The respective MobiLinkIP devices will then directs the calls to the required local GSM network, with the minimum possible cost.

Flexible Usage

MobiLinkIP can be used in several ways:

- with an IP PBX that has SIP subscribers;

- with hardware SIP telephones,

- with soft phones, such as the free application SJ Phone.

In order to ensure correct installation/configuration and good operation of the MobiLinkIP device, the manufacturer strongly recommends the study of this manual before attempting operation.

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PACKAGE CONTENT

When opening the package, please check the contents against the following:

Component Image Component Description

MobiLinkIP unit in its plastic case. It is a mobile gateway that terminates VoIP calls, which least call routing for SIP calls.

Power supply: switching mains adapter Input: 100-240V

A.C

Output: 12V

D.C

. / 2A

Max. Power: 25 W

Ethernet cable for local network connection A short piece of UTP straight cable, with RJ45 connectors.

Antennas for mobile networks Multiband, with magnetic base and 2,5 m long cable

CD with User’s Manual

Quick Install

Warranty Certificate

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1. MobiLink IP FEATURES

The MobiLinkIP device is a versatile VoIP-2-mobile gateway that cuts down interconnection costs and performs convergence between mobile voice networks and SIP calls.

MobiLinkIP is fully configurable via Web pages; it does not require installation of drivers or any additional software on a PC. The graphics interface that shows up in the browser allows easy access to all its settings:

Since the product is Linux based, applications to enhance MobiLinkIP or to customize it according to the special needs of various clients can be quickly designed by our software developers.

If signing up for our technical support offer, our best technical experts are available for technical queries. In addition, the software upgrades can be done remotely via the Internet, and are free of charge.

MobiLinkIP is a highly versatile solution, when the customers require special solutions; its embedded firmware can be easily upgraded over the Internet.

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IDENTIFICATION

LABELS AND IDENTIFICATORS

On the bottom of the case of the Topex device there are several labels or tags that indicate the characteristics and compliance.

SIGNIFICANCE OF LABELS

These adhesive labels contain information about the manufacturer, type, model, certification, approval and compliance to UE and international or USA directives such as FCC.

The labels may include barcodes and refer to:

Manufacturer and product type

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- Full manufacturer identification;

- Model identification, which allows the network operator to check the terminal as one of its approved

models, so no additional certification or approval is required;

- Description and details of variant, in this case the type of mobile networks it works with, and if it is

fitted with one or two mobile modules.

Network identification

- Identification for the Ethernet network can include MAC for local and remote side, in case of

routers. MobiLinkIP features a single MAC;

- MAC LAN, the Media Access Control address (unique hardware number) on the local network side

and MAC WAN, the Media Access Control address on the side of the external network;

- IMEI code, International Mobile Equipment Identity for SIM based equipments. A unique 15- or 17-

digit number such as <<269751923786501>> that identifies an individual mobile station to a GSM or UMTS network handset. The IMEI code is on all GSM and UMTS mobile terminals, commonly found in Europe, Asia, Africa and increasingly in America. If the Topex device features several mobile modules – for instance MobiLinkIP has two modules - it will have, correspondingly, more IMEI labels - one for each mobile modem;

Default connect

Default IP address of the Topex device in the local LAN and type of connection. For MobiLinkIP, the default is https, with IP address 192.168.173.1

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Warning! Please read carefully this label, since different Topex equipments may have different default IP addresses, such as 192.168.1.1. or 10.0.0.1. The MobiLink IP gateways have, as

shown by the label glued at the bottom, the default address: 192.168.173.1 Also, the label clearly specifies the type of connection, which is HTTPS. Most Topex devices such a secure connection, only a few use the ordinary http link. If you try to use the wrong type of connection, it will not work, so please loock at the “Default connect” label before establishing a connection to the Topex box.

EMC, Safety, and CE Directive Compliance.

The CE label affixed to the device means compliance with the following European Community Directives: Council Directive 89/336/EEC of 3 May 1989 on the approximation of the laws of Member States relating to electromagnetic compatibility; and Council Directive 73/23/EEC of 19 February 1973 on the harmonization of the laws of Member States relating to electrical equipment designed for use within certain voltage limits; and Council Directive 1999/5/EC of 9 March on radio equipment and telecommunications terminal equipment and the mutual recognition of their conformity.

The WEEE (Waste Electrical and Electronic Equipment Statement) directive places an obligation on EU-based manufacturers, distributors, retailers, and importers to take back electronics products at the end of their useful life. A sister Directive, ROHS (Restriction of Hazardous Substances) complements the WEEE Directive by banning the presence of specific hazardous substances such as lead in the products at the design phase.

The “forbidden waste bin” symbol shown on the Topex device or on its packaging indicates that this product must not be disposed of with other waste. Instead, it is the user’s responsibility to dispose of the device by handing it over to a designated collection point for the recycling of electrical and electronic waste. The separate collection and recycling of the device at the time of disposal will help to conserve natural resources and ensure that it is recycled in a manner that protects human health and the environment.

By means of the RoHS (Restriction of the Use of Hazardous Substances) tag, Topex SA. confirms that its products comply with the chemical concentration limitations set forth in the directive 2002/95/EC of the European Parliament (Restriction Of the use of certain Hazardous Substances in electrical and electronic equipment - RoHS)

Product version

The label indicates exactly what type of product it is. You must mention this code when you call Support for upgrade and for repairs. Also, when you perfor software upgradem you must check that the firmware version you want toload is fitted for your model of equipment. For this, the first letters must be the same – if you own a MobiLink with the label “MOBIPC-M2P” as shown above, you should look for firmware images with names like “M2P”, and not “M1P” or “M2J”:

The rest of the letters describe the software version, and of course zou can load a firmware image with more features, or an updated version, but the letters describing the hardware model must correspond.

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The hardware information is important, but the adhesive tab cannot ensure the precise type and version of firmware, because the application software can very easily be updated or upgraded by the user. After such a firmware update, the application program running on the Topex device may no longer be the same that was described by the label on the bottom of the case of the device. To learn about the current firmware, please use the Web interface of the device.

SOFTWARE INFORMATION

The Web interface displays some of the information described above, but also important additional information, which is NOT available through the adhesive tags. Such information is related to the serial of the motherboard of the device, or the software version actually running on it.

For this you must access the System> Status page. Just enter into the browser the URL for the page:

https://192.168.173.1/

System Status

The information about serial number, current firmware and kernel can be found in the option Status – System Information of the menu page SYSTEM, as shown below:

Two categories of information are displayed:

- System info, with temporary (current) data, such as uptime, load, Ethernet link status, name of the

network, etc;

- Device info, permanent data, which is important for this chapter – serial number, firmware and

kernel versions, modem version, IMSI and IMEI.

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and respectively:

The permanent identification info shown refers to the following elements:

- Serial Number: each MobiLinkIP device from Topex has a unique identification number, such as

2709052 or 2709057 in the above examples, etc. This is the serial number of the mainboard of the Topex gateway. According to the requirements of the users, a certain MobiLinkIP motherboard may be factory-fitted with one or two modems of different types, or other hardware features, but the serial numbers remain the same;

- Firmware version: version of the application firmware running on MobiLinkIP: you may see

“mobililik-ip-1.0.1-M2P-p. The firmware can be easily updated (a new version) or upgraded (new software features added);

- Kernel version (Operating system version), such as system-1.0.1-MXX-SZW or “topex-kernel-

0.0.3.-A” in the example above. The application firmware and the operating system (root or kernel) may be updated separately, according to the requirements of the users. The operating system memory is write-protected, thus in case of problems, accidental erasing or power failure during updating, there is still a functional “system” allowing loading of a new software image;

Also, information related to the two mobile modules may be displayed:

- IMSI (International Mobile Subscriber Identity), subscriber's identity (SIM card identity). This is a

unique 15 digits code number that identifies a mobile subscriber to the network. If the MobiLinkIP's module detects an active SIM card, it will query (and display) the IMSI code.

- Since the IMSI code is related to the SIM, when changing the SIM card another IMSI code is

available.

- IMEI (International Mobile Equipment Identifier). 15-digit number that uniquely identifies an

individual mobile wireless terminal device. While IMSI is specific to the subscriber (SIM card), IMEI is specific to the equipment (each of the two modems of MobiLinkIP in this case).

To be able to see this Status page, one must be logged-on to the MobiLinkIP device.

INSTALLATION

In order to ensure the proper operation of the MobiLinkIP equipment you must follow the set-up steps shown

below:

• Determine the exact type and model of Topex equipment

• Establish the best location

• Mounting (Hardware installation)

• Identification of connectors

• Connecting the Ethernet cable

• Disable PIN code request for the SIM to be used

• Configuring and installing the SIM cards

• Connecting the external antennas for the mobile networks

• Power up

Important note: Before starting installation, it is necessary to know exactly what type of equipment it is (several different versions or sub-types come in the same case, plastic or metal). In order to determine the exact type and model of Topex MobiLink equipment, look at all the labels or indicators for the specific device. Most of this information is found on the labels that are on the bottom of the case.

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Note that some of these indicators can only be seen in the administration programs (Web interface or OAM software). For instance, in case of firmware upgrade performed by the customer, the label on the product remains the same, although the application program is different.

ESTABLISHING THE BEST LOCATION

In order to determine the best location for the TOPEX mobile router, consider the following:

• The length of the Ethernet cables that connect the MobiLinkIP gateway to the PC or the network switch must not exceed 100 meters.

• MobiLinkIP should be placed on a flat, sturdy surface located as far from the ground as possible. A high location, on the wall or on top of a desk or a shelf is best for the mobile connections, be it with UMTS or GSM networks.

Also, MobiLinkIP should be kept clear of obstructions and away from heat sources, direct sunlight and

heavy-duty electrical equipment.

• To ensure good coverage of the entire wireless mobile network in the area, MobiLinkIP should be installed in a central place in the building. Normally the antenna should be in a vertical position, but if reflections occur, better results may be achieved by changing the orientation.

• For power supply, use only the adapter shipped with MobiLinkIP.

The jacks of different power supplies may fit but the polarity, current, voltage or regulation factor may

not be compatible.

• While the device is in operation, the antennas of the MobiLinkIP unit should be at least 30 centimetres away from any human being.

MOUNTING (HARDWARE INSTALLATION)

The Topex MobiLinkIP router may be mounted either horizontally, by means of simply placing it on a flat surface, or vertically on a wall (using the mounting kit).

Horizontal mounting

The surface must be level and strong enough to hold the weight of MobiLinkIP together with all its cables (power supply and wired LAN connection). A desk, table or shelf is good place for the installation of MobiLinkIP.

Wall mounting

The equipment may also be mounted on a wall, by means of the kit included in the package. It is recommended secure the device to the wall. Use professional installation to reduce the risk of injury and damage. The mobile antenna must be in an upright vertical position, but it will be parallel to the equipment’s box.

For mounting MobiLinkIP onto a wall, use the mounting kit (plastic dowels, woodscrews, etc) provided by Topex.

On the back there are two pairs of mounting holes, 160 mm apart. The two pairs are located 100 mm from another, to secure the MobiLinkIP to the wall with either connectors up or indicators up.

Perform the following steps:

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- mark the position of a pair of holes on the wall,

spaced at 55 mm apart

- drill the holes in the wall

- insert the plastic dowels into the holes

- thread the metallic woodscrews into the plastic

dowels leaving the end to protrude outside for some 5 mm

- hang the case of the MobiLinkIP in the two

metallic woodscrews and push it down a little to get it fixed

- if it does not lock properly, adjust the screws

Figure 1. Mounting MobiLinkIP on a wall

No matter if it is installed horizontally or vertically, the best location for MobiLinkIP is in the middle of the location where wireless coverage is needed.

Installing MobiLinkIP on a shelf higher up, with no obstructions around, ensures the best performance embedded GSM or 3G modems.

Take care to ensure adequate cooling of the MobiLinkIP terminal.

IDENTIFICATION OF CONNECTORS

Topex MobiLinkIP features only two external connectors, as described below. On the bottom panel of the equipment they are, from left to right:

Figure 2: Connectors of MobiLinkIP

 Towards the left edge, the round connector is for the power supply jack, (labelled DC) (12V

)

 The black Reset button, recessed (labelled RST)  To the right, one female RJ45 connector for the local network connections (labelled ETH

CONNECTING THE DATA CABLES

To ensure the proper functioning of the Topex MobiLinkIP unit, make the right cable connections, as described below.

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Figure 3: Connecting the cables

For Ethernet network connection:

Use standard UTP network cable (CUT 5) fitted with RJ45 connectors at both ends. The cable can be either straight-through or crossover, since the MobiLinkIP is auto-crossover. One short length of RJ-45 cable is supplied with the TOPEX MobiLinkIP interface. Use either a 10Base-T or a 100Base-T connection.

Figure 4: Connecting the LAN cable (UTP- CAT5)

The network cable is to be inserted with one end into the RJ-45 socket of the MobiLinkIP device labelled ETH. The opposite end of the UTP cable can be inserted directly into a PC or in switches or hubs. The STATUS indicator LED of the MobiLink case will light up showing physical connection and will blink to indicate data traffic on the respective Ethernet interface.

P ower supply:

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To power the MobiLinkIP unit, insert the jack of the power supply adapter into the supply connector. Do not yet plug the adapter into the 230V

A.C.

mains outlet on the wall. The special adapter from Topex, which is part of the MobiLinkIP package, supplies the voltage required to power the equipment. It is an external power supply adapter.

Note: The adapter is the disconnection device (there is no POWER switch), so the 230 V

socket-outlet shall be installed near the equipment and shall be easily accessible.

Figure 5: Connecting the power supply

Warning!

 Use only the power supply adapter shipped in the equipment package. Using other kinds of

power supplies may cause damage to the equipment.

 To avoid accidents or damage to the equipment, follow the steps described earlier. First,

connect the antennas, and then the power supply adapter.

 Avoid connecting or removing the antennas while the MobiLinkIP device is powered.

CONFIGURING AND INSTALLING THE SIM CARDS

The MobiLinkIP device may feature a single slot or two slots (in dual SIM version) for SIM cards. In order for the MobiLinkIP gateway to work, it must have at least one valid SIM card with subscription to the GSM or 3G voice carrier where connection is needed.

Configuring the SIM card(s)

The SIM card(s) that is used must be active.

- The SIM card(s) must be configured before it is inserted into the slot of the MobiLinkIP .

- An ordinary GSM cell phone may be used to configure the SIM card

The required configurations are:

 PIN CODE REQUEST – you MUST disable (from the menu of the mobile phone) the PIN CODE

REQUEST security option, so will not be asked to enter it. Take care to disable the PIN code

before inserting the SIM card, to avoid PUK locking!

 Disable GSM services – GSM operator offers different supplementary services for calls. When

using the MobiLinkIP interface it is recommended that these options be disabled because they are only available with additional costs.

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Inserting the SIM cards

The one or two SIM cards to be used must be inserted into the special tray slots of the TOPEX MobiLinkIP device.

The slots for SIM cards are located on the right side of the MobiLink IP box, towards the top, below the indicator LEDs, as shown in the next image.

For inserting or extracting the SIM card use the mobile holder (removable tray) for the respective SIM card.

Use the little yellow button to actuate each holder

Note that in case of two SIM slots, the SIM holders are in a row one following another: the first one (from the left) is SIM2, fro Mobile 2 network, and the second is SIM1, for Mobile 1 network.

Handle with care when inserting or extracting SIM card.

IMPORTANT:

When inserting or changing the SIM card, the equipment must be powered off.

For inserting the SIM card follow the next steps:

WARNING! Unplug the MobiLink unit from the main outlet before insert or replace a SIM card! For each of the SIM cards, follow these steps:

1. Press the little button to eject the SIM holder.

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2. Pull out (extract) the tray (SIM holder)

3. Insert SIM card into the holder, as shown – with cut corner upwards and with contacts facing you

4. Push the holder tray with the SIM inside back into the corresponding slot of the

MobiLink unit

Also follow the steps described above when replacing the SIM cards already installed into MobiLink.

Repeat this procedure for the second SIM, take care to insert the SIM card correctly.

Connecting the external antennas

To ensure a good quality of transmission and to reduce radio interference use the antennas shipped in the MobiLinkIP package. These antennas were designed for the respective frequency bands (multiband to allow proper connection to different mobile networks type GSM or 3G). The antennas must be connected to MobiLinkIP via the respective RF circular connectors on the top panel of the case, labelled “ANT.1” and respectively “ANT.1”.

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These correspond to networks Mobile 1 and Mobile 2. The cable for each Mobile antenna must be threaded into the circular connector of MobiLinkIP labelled “ANT1”, respectively “ANT2”, as shown in the following drawing.

Figure 6: Attachment of antennas

If the site has a low cellular signal, it may not be possible to use the full mobile technology without a special, high gain antenna. Such an antenna should be obtained and installed in a higher position (the roof of the building), directed towards the base station of the mobile network carrier, in order to get best results.

Warning! Don’t use excessive force. Make sure the antenna is securely screwed into the RF connectors, but do NOT use a spanner or screw key, which could damage the antenna connector! Tighten the flange lightly, by hand.

The antennas have vertical polarization, so they should be placed in vertical or horizontal position, depending of the local field condition.

! Place the antennas on a safe (stable) non-magnetic and flat area. The heavy base of the antenna ensures that it is secured.

The following table shows the main characteristics of the multi-band stick antennas with magnetic base (currently supplied with the MobiLink package).

Frequency bands

GSM 890-960 MHz PCN 1710-1880 MHz PCS 1850-1990 MHz

UMTS/HDSPA 1920-2170 MHz Gain 2 dBi Polarization Vertical

Height

Total 73 mm

Active stick 43 mm

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Base Magnetic, diameter 2,8cm Cable Type RG174, length 2,5 m End Connector Nipple, male

Note:

 The MobiLinkIP unit and its antennas should be placed as far as possible from appliances

or office equipment that is sensitive to radio interference (microwave ovens, copiers, TV sets, PC displays, and multimedia systems). For best results, try to find a place of maximum signal reception for the Mobile antenna

 In addition, the antenna must NOT be located near heavy-duty equipment that may

generate electromagnetic interferences, such as electric motors or heaters.

Power up

Switch the MobiLinkIP on - the indicator LEDs will light up.

Remember that the adapter is the disconnection device (there is no POWER switch on MobiLinkIP), so the 230 V

socket-outlet must be installed near the equipment and must be

easily accessible.

Status indicators

MobiLinkIP has three optical indicator (bicolour LEDs - red and green or red and yellow) that shows the status of the device, respectively of the Ethernet interface and that of the two mobile modules.

The indicators may light up continuously in red, orange or green color, or flash to show status and data traffic. The three LEDs are located on the upper right corner of the MobiLinkIP case, above the two slots for SIM cards. They are labelled respectively STATUS, MOBILE1 1 and MOBILE 2.

Figure 7: LEDs location

Significance of LED indicators:

STATUS: Shows the state of the equipment. Indicates the proper power supply and the state of the

Ethernet interface of MobiLinkIP.

Off = device not powered (no supply voltage), On, Red color = no ETH network is connected, On, Orange color = ETH port connected to the local network, but no traffic, Orange blinking = ETH port connected and data traffic present.

MOBILE 1: Shows the state of the first mobile module. Off = not installed (the respective module is disabled from software), red blinking = not registered or SIM not present, lights up green = mobile module1 free (available), lights up red = mobile module1 busy (in a call).

MOBILE 2: Shows the state of the second mobile module, same significance as first mobile. Off = not installed (the module 2 is disabled from software), red blinking = not registered or SIM not present, lights up green = mobile module2 free (available), lights up red = mobile module 2 busy (in a call).

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CONFIGURATION

The MobiLinkIP can properly perform its functions of high-speed VoIP-2-mobile gateway with the default settings. However, it can be easily configured to meet various usage scenarios. “Configuring” or programming the equipment means adequate setting of all the parameters. The embedded Linux firmware allows configuring the MobiLinkIP without the need of additional software on the computer used for programming. A web browser as configuration terminal is all that is needed. This means that the MobiLinkIP may be used on any computer platform and is not restricted to a certain operating system! The examples in this manual are form using Windows XP

SP3, but MobiLinkIP may be used with any operating system.

Using the web browser, the configuration can be performed remotely: the desktop PC or notebook may be connected to the TOPEX IP gateway either directly or through a hub by means of wired (Ethernet) connection.

Important Note: Prior to using this VoIP to Mobile device you should check the basic settings to guarantee it will work in your environment (for instance, it may be required to change the default IP address and subnet mask).

Required conditions for configuration

To be able to configure the MobiLinkIP device, one must be connected to a LAN (Ethernet 10Mb/s or 100 Mb/s) and have access to a computer that is connected to the same network, via router or switch. Alternately, one may connect the MobiLinkIP directly to the PC or notebook that is used for programming, either with a crossover cable or with a straight Ethernet cable. The Web interface may be accessed with any Web browser, no additional software is needed.

Using the web interface

The default address of the webpage of the TOPEX MobiLinkIP device is 192.168.173.1. It is recommended to use the default IP address - if the configuration of the local network allows this.

Set up a connection

Establish an Ethernet connection to be used with the MobiLinkIP unit that needs to be configured.

Go to “Network Connections” on the computer and define a connection to be used for the MobiLinkIP router.

Use a significant name, such as “MobiLinkIP” or ”Topex Gateway” or “VoIP2Mobile”

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From the network adapters (network cards), select the one which is connected via Ethernet cable to the MobiLink equipment.

In this example, it is the network board type “Realtek RTL8139 Family PCI Fast Ethernet NIC”

Check the box “Internet Protocol (TCP/IP) and click the button “Properties” to configure your PC.

Configure the connection to MobiLinkIP either manually or automatically.

Automatic IP

The simplest way is to set the network adapter to get its IP address automatically from the DHCP server of the local network, where the MobiLinkIP unit is connected. The server will provide the PC or netbook with the correct IP address, DNS and Gateway. This only works if you local network is of

the class 192.168.xxx.yyy, compatible with the default IP address of MobiLink IP.

Manual settings

As an alternative, you can set the network parameters manually. By default, MobiLinkIP has the IP address 192.168.173.1 and the Netmask 255.255.0.0, settings which are used in the example below.

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It does make sense to use manual settings for network configurations incompatible with the default IP settings; you must use manual settings when the local network has some special requirements, which

the automatic configuration cannot satisfy, such as:

- different range of non-routable addresses used, like 10.*.*.* or 172.16.*.*; In this case you must first

set you computer manually to the range of addresses that MobiLink IP can “see”, then configure MobiLink for the requirements of your particular network, and finally revert to using DHCP in your network, but with MobiLink IP now accessible.

- several MobiLinkIP equipment used in the same LAN. More than two GSM modules may be

required, thus several VoIP-2-Mobile gateways must be connected in your LAN. In this case the first unit can have the default address, but for the next ones you should assign consecutive addresses, such as *.*.*.2, *.*.*.3, *.*.*.4 etc.

In case of manual settings, in “Internet Protocol

Properties” fill in the corresponding values:

- the IP address could be from 192.168.173.2

up to 192.168.173.254

- the Subnet mask could be the standard

255.255.255.0, or wider 255.255.0.0

- the Default gateway and “Preferred DNS server” fields may be lefty empty!

In the status bar at the bottom of the screen the link icon should be blinking, and a message will show up: “MobiLinkIP is now connected”

Note: When a Proxy Server is used for the local network, set an exception for the Topex

VoIP2Mobile, because access to the MobiLink will not be possible.

Connecting to MobiLink

Enter the IP address of the MobiLinkIP device (by default 192.168.173.1) in the list of exceptions for

the Proxy server: “Do not use proxy server for addresses beginning with …” To configure the MobiLinkIP product using the web interface, just open a favourite web browser and type the default IP address as the URL: https://192.168.173.1

If connecting to the MobiLinkIP equipment is not possible because of problems in the settings of the IP

address, go back to the factory default settings. Press the “RESET” button for at least three seconds.

The equipment reboots and starts operating with the factory default settings.

These include the IP address 192.168.173.1, allowing you to connect to the Topex VoIP2Mobile in

order to configure it. After reaching the configuration web pages, one may change the IP address of

the device according to personal requirements.

For instance, you can use addresses in the range

https://172.27.168.xxx/ or https://10.0.0.1, as shown in

this example:

Hardware Reset

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To perform a reset, you must follow the procedure described next, simply pressing the recessed RST

button won’t work. So you must follow these steps:

- shut down the MobiLinkIP device (unplug the power jack)

- press the RST button and keep it pressed

- power up MobiLinkIP

- wait until all three LEDs light up in red, and then leave the RST button.

Now the equipment performs a reset with return to factory default settings. This does NOT happed if you don’t

follow exactly the procedure described above – for instance, if you continue to press RST after the three indicators have turned on in red color!

Note that the MobiLinkIP uses a secure

web connection (https instead of the

usual http) so one may get several

warning messages for example:

or similar warnings mentioning “Website Certified by an Unknown Authority”:

Click „Yes”, „OK” or „Accept” to continue.

Type “OK” to accept the certificate for the MobiLink website.

Other “Security Error” messages may warn about “Domain Name Mismatch”, referring to the security

certificate. Again click “OK” to continue.

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One may receive the

warning “You have

requested an encrypted

page” or “You are about to

view pages over a secure

connection”.

This is normal; it shows

connection to MobiLinkIP

over a secure, encrypted

link - HTTPS.

The secure connection is confirmed by the “padlock” symbol that shows up in the status bar at the bottom of the screen, indicating a secure (encrypted) connection. MobiLinkIP uses 128-bit SSL encryption to prevent hackers from capturing passwords and sensitive data which is the same security used by banks and the military.

Internet Explorer shows the padlock icon only when everything on the entire webpage is encrypted.

But even when the browser doesn't show a padlock, the "https://" address means the data is still

encrypted.

Other browsers, such as Mozilla Firefox, will also

show a lock icon near the MobiLink connection,

together with a message that says: “Authenticated by

topex”.

From the fist configuration screen you may select either:

- Administration (configuration

pages)

- Topex webpage

Click the link of interest.

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Now the user will be asked to enter a user name and a password to access the configuration page of

Topex MobiLink.

Multiple log-in options:

The firmware of MobiLinkIP allows multiple log-in options. A new user has been added: “user”, with

the default password “bytton”

Now log-in either with the name

“user” and the default password

“bytton”:

Or with the name “admin” and

associated password

“99admin11”, as was done

previously:

Correspondingly, after log-in you may change the password for each user.

For the administrator of the system network, the default user name is admin and the password is 99admin11. Later, this password may be changed using the web configuration page, as described in the paragraph about Password.

For security reasons, it is strongly recommended to change the default password with one of own choice as soon as possible Also, do NOT mark the checkbox “Remember my password” in the browser

The log-in name is shown in the “Remote User” field, below the “Location” information:

The Administrator “admin” has more rights, access to additional settings, which a normal user does

not require (advanced routing configurations and settings for drivers).

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When typing a different user name, or if entering an incorrect

password more than three times consecutively, the following

error message will be displayed:

“401 Unauthorized”!

Connect again and be careful to enter the correct name and

password.

Following successful log-in, the main administration page for the TOPEX MobiLinkIP VoIP gateway

should be shown on screen.

User:

Administrator:

The admin has an additional configuration section, titled “MISC”

The additional menu item accessible when logging in as Administrator is “MISC”. The “Miscellaneous”

section was created to include different advanced settings that are not required by a normal user, but

may be needed for a system administrator.

Such settings may be:

- TCP/IP, advanced networking parameters for the IP connection, for instance the ICMP

redirects, and also the Host name to be used;

- other settings related to the administration and management of the MobiLinkIP equipment.

After the configuration page is loaded, one can change any setting and then click the Save button to

save it in the current page and Commit button to make these changes permanent.

Menu items

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There are several sections (Menu items) on the configuration page of MobiLinkIP, allowing modifying

the settings for:

- HOME: this home page for configuration of the equipment.

- NETWORK: settings for the local wired (Ethernet) network

- MOBILE: parameters for the 2G or 3G mobile voice / data networks

- VoIP: parameters related to the Voice over IP functions;

- PBX: Settings for the private phone exchange features;

- SYSTEM: Performs operating system functions (update, change of password, logs) and Shows

current status

- MISC: miscellaneous options for optimization (advanced settings). These are available only when

logging in as Administrator.

Depending upon the actual firmware version running on the MobiLinkIP gateway, one may or may not

have access to all these configuration sections or sub-sections (features, services).

The Menu bar is located to the left, and features the button Commit at the bottom.

On top of the web page, next to the Topex logo,

is a “Location” indication, which reminds the

user exactly where he is on the Web interface.

In this example, the section is Network and the

subsection IP settings (IP Settings for the

Ethernet connection).

Under the Location information is “Remote User”, which shows the name that was used for log-in,

User or respectively Admin.

Note:

- There are two types of pages, ‘Status’ and ‘Settings’

- At the bottom of every ‘Settings’ page are these three buttons:

The button Save is used to save the changes performed, the Cancel button aborts the changes

(closes the window without modifying the current settings), and the Default button will reset the values

in the current page to the default (initial) configuration.

When changing the settings in any page, press the “Save” button keep these settings.

Otherwise, clicking any other link, reaching another configuration page, the modifications

performed will be lost.

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NETWORK

This group features the pages of settings related to the local wired Ethernet network, for IP, routes,

and respectively for the NTP Client:

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Status

Each configuration submenu begins with a “Status” page that shows the current state for the

respective group of parameters.

It this case, it shows info about the state of the Ethernet interface and the current static routes:

Network Interface

This is the detailed information about the Ethernet network interface of the MobiLinkIP. It contains two

similar groups of network parameters:

Adm0

Details about the real Ethernet interface, including MAC (physical address), Internet address (logical

address), Broadcast, subnet mask, MTU value, metric, statistics (packets, errors, collisions, mega

bytes transferred) for the reception (RX) and respectively transmission (RX).

Local Loopback interface

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The same parameters are shown for the virtual, local loopback interface, at the standard address for

loopback, “127.0.0.1”. Since it is a loopback interface, the number of bytes sent out will always be

identical to the number of bytes received.

Routes

Shows the current routes, taking the information from the Kernel routing table for IP

Or:

The Static Route Display shows the current routing table of the MobiLinkIP

Note that this is the Status page for network - the existing static routes for the MobiLinkIP (default

routes, gateway, masquerading if used, flags, metric, interface used, etc) can be seen and changes

cannot be performed.

If needing to change the routes, go to the section ‘Routes’ of this page, for defining and modifying

routes.

The routes are shown from the top downwards from the most specific to the least specific.

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Destination - the destination network or host system. Declaring a default route means adding a route

with 0.0.0.0 as its destination. In case of networks, the last two groups of figures contain only the digit

zero.

Gateway - the access gateway the respective routing entry points to. If this field has only zeroes

(0.0.0.0) or an asterisk (*), this means no gateway is used, the destination network is connected

directly to the computer.

Genmask - the bit mask applied to the destination. It shows the “generality” of the route.

Flags - indicator flags that describe some characteristics of the route. Such flags are:

U - the route is active and operating, the interface to be used is up;

G - the route uses an external gateway ( the network interfaces of the system supply routes to the

networks which are directly connected, all other routes use external gateways. Thus, the networks

which are directly connected don’t have the G flag, but it is activated for all other routes).

H – it is a route towards a single host instead of a network.

D - the table entry has been generated dynamically, either by a routing protocol or by an ICMP redirect

message (see section 3.5).

M – this route was modified by a dynamic routing protocol;

R - the route was re-activated following update by dynamic routing protocol. Routes may be configured

as passive or static even when a protocol for dynamic routing is used.

Other fields refer to the Metric (routing cost), the number of references to this route, etc,

Finally, Iface is the name of the network interface used for this route.

For the Ethernet interfaces there is currently a single name, respectively adm0.

IP Settings

Here one can set up the parameters for the equipment in the local network.

Settings for the LAN IP of the MobiLinkIP gateway are the standard ones: IP Address and Netmask,

Gateway (if used), Preferred and Alternate server for DNS.

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These settings control how the Topex equipment connects into the local wired (Ethernet) computer

network.

IP settings for network

The default address value is 192.168.1.1 and the netmask is 255.255.255.0.

One may change these default settings, if the configuration of the network requires this, for instance to 10.0.0.1 in this example:

Usually the IP address allocated for MobiLinkIP on the LAN side is a

non-routable

(internal) address, as the ones shown here, in the range

192.168.xxx.yyy:

When changing this IP address, MobiLinkIP tries to redirect the web browser to the new address

automatically. If it does not succeed, update the configuration page by entering the new IP address in

the browser, such as https://192.168.173.4 in the above example and pressing the Reload button of

the browser.

DNS Servers:

Select which primary and secondary servers for DNS (Domain Name Service) will be used.

The Name Servers may be from the local network (address 192.168.x.y) as the second entry in the

following example or from the public network, the great Internet, such as 208.67.220.220 in the

example below:

Other name-server examples

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Saving

Use the “Save” button to save the settings, then “Commit” (down on the column to the left of the screen) to make permanent the IP settings.

1.1.1 Static Routes

Routing means determining and prescribing the path or method used for forwarding data packets. This

option page is concerned with defining fixed (static) routes. It shows the current routing table for

MobiLinkIP and allows defining several static routes. The routes established here will be shown in the

page Network ->Status-> Routes.

“Set IP Routes” lets one edit, remove or add routes in the table shown below:

Static Route Definition

Such a static route is a possible path from a device to its destination or to another host. One must

insert predefined rules of routing for the MobiLinkIP in case of appending one or several network

devices such as routers behind the MobiLinkIP device, to share the same connection to the mobile

Internet. This way the MobiLinkIP router will be able to know where it may deliver the data packets

coming from the Internet with different destination IP addresses.

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Buttons

Use New to create a new row (route definition), Edit to edit an existing definition, Exit get out of the

table, and Save to save the changes. Del erases from the table an existing route.

Defining a route

Net: Address of the remote network or host to which you want to assign a static route. Notice that it is

not an IP address, like the one for the Topex MobiLink device, but the address of a network, so that

the last two groups of figures will always be zero.

Netmask: the subnet mask determines which portion of the destination IP address is the network part

and which is the host part.

Gateway: the gateway to be used, enter here the IP address of the router which allows for contact

between MobiLinkIP and the remote host or network.

Enable:

Each of the routes defined or edited can be individually enabled or disabled.

This is especially useful when configuring several mobiLinkIP devices one after another, or when the

configuration and requirements of the local network change frequently.

In this case pre-define several routes, even if they are not currently in use, and leave enabled only the

ones strictly necessary for the current configuration.

The other routes are available, they may be edited and enabled as the need arises.

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Commit

The “Commit” option described here is not specific to the Network, but it is rather a general option for Topex devices.

If configuration changes were performed, using the “Save” button is not enough since it saves the modifications only into the temporary memory of the MobiLinkIP.

Always press the “Commit” button if these changes need to be permanent.

This button is located at the bottom of the Menu list, to the left side of the screen. There is a “Commit Settings” message and, underneath it, a red progress bar over black background which says: “Saving changes, please wait …”

Saving will take some time, because the changed settings are saved into permanent (Flash) memory of the equipment. The MobiLinkIP resets, and when it starts again, the new set of parameters will be active.

Warning: While committing changes, when resetting the MobiLinkIP or while loading a new

program image, the equipment will cease operation for a few seconds. This means all connections: voice, local network etc. will be interrupted, but will resume when the MobiLinkIP starts again.

SNTP Client

Enables and configures the NTP Client of MobiLinkIP.

The Simple Network Time Protocol is used to update the real-time clock in a computer, over Internet.

It uses one or several remote dedicated Time servers on the Internet that accurately synchronizes the

system date and time.

Status of NTP Service: Enabled or Disabled; by default it is disabled

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Server: enter the full name of the NTP server in need to use, such as “utcnist.colorado.edu” or

“ro.pool.ntp.org”.

The “Current time” indicator shows the current UTC time (Universal Coordinated Time) of the system,

with millisecond precision.

If NTP feature is not active (it is disabled, the selected server is not online, or there is no connection to

the Internet) it will display the default UTC date/time, which is begins at Jan 1, 2000 and 0:00:00.

When the NTP Client becomes active, it shows the current UTC time:

This UTC time may be different from the local time of your

computer!

In the system logs one can see the moment when the applications running on MobiLinkIP connects to

the Internet and the time jumps from the default “Jan 1 2000” to the actual date/time supplied by the

NTP server selected by the user:

Or:

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Don’t forget to click the Save button and then “Commit” to make the change performed

permanent.

Mobile

The “Mobile” section is for viewing and configuring the two mobile interfaces of the equipment.

It also has two sections, one for displaying the current state, and the other for configuring the mobile

modules.

Status

Displays the state of the selected mobile interface:

First, select the Mobile interface whose state will be shown – select 1 or 2 , then press “Load” to see

the current state (below for Mobile 1):

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In case of 3G modules, an additional field show up, indicating the technology of the mobile network:

Likewise, should “Mobile2” be selected, the Topex device will show the state of the other GSM

module, in this example registered to a different carrier:

PIN – state of the PIN code. Ready or OK is the normal state, which means the SIM is active

(unlocked) and the equipment may be used. It happens when the PIN is not requested, or that it is

asked for, the correct value has been entered, so the Sim can operate. If it shows ERROR, it means

the respective SIM is blocked because of a missing or incorrect PIN code. You must disable PIN

request for the subscriber card!

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Network – when the respective Sim is properly registered, this field shows the name of the mobile

network where the equipment is registered, as transmitted by the mobile carrier and understood by the

mobile. Thus, it can be either the commercial name of the carrier, such as “RO Orange”, “CONNEX

GSM”, “COSMOROM” and so on, or a code like <<0,2, “22601”,2>>. If the Sim is missing or not

properly registered, this field may display “Limited service”

2G/3G – for equipments fitted with 3G modules, it shows the type of network: either 2G or 3G (second

or third generation).

This is the technology (GSM/GPRS or UMTS/HSDPA) of the mobile network where the module is

actually connected, provided that the network allows this information;

Sim card ID – it shows in fact the IMSI (International Mobile Subscriber Identity) code, that is specific

to the subscriber, therefore to the Sim card used in the Topex equipment. See below a few IMSI

codes, from different SIM cards used in the modules of MobiLinkIP:

22601965134273

22601853012194

22610574108729

If the Mobile module of MobiLink detects an active SIM card, it will query (and display) the IMSI code.

Since the IMSI code is related to the SIM, when changing the SIM card used with the respective GSM

module, the user will have another IMSI code.

IMEI - the International Mobile Equipment Identifier is a 15-digit number that uniquely identifies an

individual mobile terminal wireless device. While IMSI is specific to the subscriber (SIM card), IMEI is

specific to the equipment (cellular modem of MobiLinkIP)

If the SIM card is missing, the SIM Status window will show “error” in the fields PIN, IMSI, Signal

Level, Network and respectively Registration.

But the user will still see the IMEI code, since it is equipment-dependent, and not related to the SIM

card.

Signal Quality - The level of the signal received from the mobile network.

This level is displayed as a relative value on a scale from 0 (minimum) up to 99 (the maximum).

The relative scale of signal quality is especially useful for making comparisons between different types of external antennas, their locations or the orientation, if directional aerials are used.

In this example, moving the omni directional stick antenna slightly has increased the signal level on interface Mobile 2 from 9/99 to 11/99:

At the bottom there is a “Load” button again - click it to refresh the display of module’s status. This way

one is sure to see the current state of the mobile module and subscriber information!

Notes:

1. To be able to display the current state, the respective mobile module must NOT be in a call!

When the GSM module is routing a VoIP call, or transmitting an SMS message, it will no longer be available for status interrogation, so it will display “Busy”:

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This does not mean something is wrong, simply that the module is unavailable for status

interrogation.

Try again (click “Load”) later, when finished with the voice call or the transmission of SMS messages.

2. Likewise, the value “zero” for the signal quality does not mean <<no signal at all>>, it is simply the lowest value indicated by the equipment. In this case one may have a “Limited service” warning - the Sim is still registered to the network, but cannot be used for ordinary voice calls, it is only good for the emergency services!

3 . The “Mobile” information available depends upon

the actual type of the cellular module used in MobiLinkIP and upon the service provider.

Thus it is possible that you get less detailed information, as in the following example:

Settings

The settings for the two Mobile interfaces: One can edit the parameters for each of the two cellular interfaces of the MobiLinkIP.

There are some differences, according to the type of modules in your actual equipment. If the mobile modules are for 3G+ network, and additional configuration field, “network type”, will show up in this configuration page.

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Click “Edit” of the Mobile Interface where you want to change the parameters:

Network Type - option concerning registering with the mobile network. Here one can establish the selection of the type of network to which the module will connect. This option is available only in case of 3G modules! The default is Auto, for automatic search, but one can make the module connect either only to 2G networks (GSM, GPRS, and EDGE) or only to 3G networks (UMTS/HSDPA).

Volume

When the feature is active, one can modify the sound level both for the output – TX and input – RX of the voice channel. Note that this feature is not available for all types of modules; some GSM modules do not support this. Select Volume to change the audio level for input and output. The default is zero db, you can select increase the volume in 6 dB increments ( additional amplification of 6, 12 or 18 dB).

One may use the "Default" button located at the bottom of the page to restore the default level for both input and/or output.

Definition of RX and TX

In this page for Mobile Settings, RX is the voice path coming form the mobile network towards VoIP, while TX is the reciprocal voice path, which comes form VoIP towards the mobile network.

Note1: Don’t forget to use the button “Save” to store the changes performed over the audio volume. Note2: The audio volume can be set up only when the State of the Mobile module is “ready”, which

means registered but not busy. If the module was busy dialling a number, or sending / receiving SMS messages, it will not be available for interrogation, so the request to set a different audio level will not be applied.

Note3: Some type of GSM modules provide an additional volume control, CALIBRATE. The values typed into the “Calibrate” field affect the default volume setting, you can make the default (0 dB) level louder or weaker, if needed..

Note4: Do not change the audio level parameters unless necessary, as this may affect the voice quality.

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Send CLIP – one may select to send out or not the Caller ID (presentation). If choosing No, then it will perform CLIR - the identity of the call will not be sent (identity restricted). The default value is Yes. Several services, including routing of calls, rely on the ID of the caller, if selecting No, these services may no longer be accessed.

Receive CLIP – the same applies for receiving the calling line identification presentation. Note – the options concerning CLIP enable or disable sending or receiving of ID for all the calls performed over the respective Mobile module

Action

The last field, Action, selects the action to be performed. First, “Edit”, to choose the row (Mobile module) where settings needs to be changed. Now the field name changes to “Exit”, which should be clicked to leave the respective row of settings. When finished configuring, don not forget to press Save before leaving the page.

VoIP

Allows one to configure the settings for Voice over IP aspect of the calls, related to the codecs used and transmission of DTMF signaling.

Currently there are three sub-pages of settings:

Codec Settings

Settings for the codecs used by the Voice over IP calls:

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Codec priority

MobiLinkIP supports several audio codecs, currently G.711 (both A-law and u-law), 723 and 729. There are four boxes, with decreasing priorities, from 1 down to 4. For each one, one may assign a codec, or select “none”. Generally one should enter the codec G.711 on the first place, either with A-Law for Europe or u-law for North America, followed by G.729. G.711 provides good voice quality and works well with in-band DTMF.

If the IP-PBX or the SIP-telephones that will be connected with MobiLinkIP make use of different codecs, one should set the “Codec Propriety” field accordingly.

RTP Packet Length

It lets you establish the value for packetization time (in milliseconds) for each codec. It is usually set to 20, but it may be as long as 30 msec or as short as 5 msec. Increasing the packetization time reduces the packetization overhead, but increases the latency.

Voice VAD

Enables or disables the "Voice Activity Detection", by default this feature is disabled.

Typical voice conversations can contain up to 35 to 50 percent silence. On VoIP networks, both conversation and silence is packetized. If VAD is enabled, the equipment sends out RTP packets only when voice is detected, thus decreasing bandwidth by 30-50 %. This way the MobiLinkIP will send voice packets only when it has voice input. When it detects silence on RTP, it will send a “silence

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packet” to the other side which uses less bandwidth and allows to be interpreted for generating comfort noise.

DTMF Settings

Settings for sending out DTMF in VoIP calls:

This configuration area establishes the means of sending out DTMF into the VoIP calls. There are three methods available, which may be used at the same time. Transmission of DTMF signaling can be done in band, out of band in RTP packets, or sending out INFO messages (as digital telephoneevents).

Under the SIP protocol, the INFO method would be used for carrying of mid-call signaling information along the session signaling path (for example to send the DTMF digits generated during a SIP session). Check the box “SIP Info” for this way of transmitting DTMF.

When checking this “RFC 2833” options, also complete the next Parameters fields to the right

- payload type for DTMF in RTP (according to RFC 2833)

- redundancy payload type

- redundancy scheme: either IETF or AAL2

5.5.3 Voice Settings

Adjust the gain (amplification) on the VoIP side of the equipment:

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In the same way as for the mobile modules, but for the Voice over IP section, here you can adjust the audio gain for reception and transmission.

Choose Rx or Tx, and form the drop list, select the amplification you want, from zero dB up to 24 db, in 6 dB increments.

Definition of RX and TX

In this page for VoIP voice Settings, RX is the voice path going out from VoIP towards the mobile network, while TX is the reciprocal voice path, which comes from the mobile network towards VoIP. The meaning of Tx and respectively Rx are reversed compared to the page “Mobile Settings”!

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PBX

Controls the settings related to the phone exchange features of the MobiLinkIP.

This application runs on the MobiLinkIP equipment and performs all the tasks of call-control (management, routing).

Status

Displays the current state of the ports of the embedded “phone exchange” as well as the states of the calls:

There are two sections, PBX Ports and respectively Calls.

In the stand-by state shown above, both ports are “free” and no info about calls is displayed, since there are currently no conversations going through the MobiLinkIP.

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PBX ports

Shows the state of the two mobile (GSM) interfaces of the equipment, from the point of view of the call control application. They may be FREE (available), BLOCK (blocked for calls) or BUSY (in a call). Note: The display “BLOCK” means that NOW the respective Mobile interface is not available, but it may have several

different reasons: The module was disabled from the Web interface, it does not have a good SIM, or simply the device has been rebooted and the respective module is in the initialization or searching phase, and after a delay it may become again available, such as shown below!

Calls

Displays info about the calls routed through the MobiLinkIP.

The example above shows a single VoIP call coming from a Soft-phone application running on computer with the IP address “192.168.144.151” in the local network and getting out of the MobiLinkIP through the GSM interface Mobile2. The mobile number called is 0724 …, while the SIP user who calls in “bogdan”.

Ports – 1, 2 are the two Mobile ports, while 261, 262 are VoIP ports

Direction – the calls may belong to one of the directions MYVOIP, SIP, mobile1, mobile1,

Type – type of the call, it may be “in” for incoming or “out” for outgoing.

State – current status of the call, “alerting”, “proceed” or “connected”

Protocol – SIP for VoIP, CAS for the mobile networks, or “Unknown”

ANI – identity of the calling party, received by the SIP user. Generally, Automatic Number

Identification is a service that provides the receiver of a telephone call with the number of the calling phone.

DNIS – destination number, dialled by the SIP user. Dialled number identification service, also used for the routing of calls based upon the phone number of the destination.

Ips – IP address used for Signalling, SIP, such as 192.168.144.151 in the above example.

Iprtps – IP address for RTP may be the same as the signalling address, or it may be two different

addresses. There are examples of both cases.

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Duration - total duration of the call, in seconds, starting from the moment the called party answers.

SID –Session ID, each session for every call has a unique ID

In the following PBX Status example, a call from “0727…” is getting in through the cellular interface Mobile 1 and goes out as an SIP call through VoIP port 261. Note that in this case the IP destination addresses for signalling and RTP are different! The SIP call goes to the extension 241 of the IP PBX.

Starting one a half minute later, another mobile call comes in via cellular interface Mobile 2 from the mobile number “0724” and goes out as an SIP call, via VoIP port 262, to the extension 284. Now both mobile interfaces and both SIP ports of the MobiLinkIP are busy.

Next the user sees a cellular call routed with DISA function instead of “Target” number, as was done previously. A single incoming call gets in through interface Mobile 1, from the phone number “07245…”. It is routed as an intermediate (internal) call with protocol “unknown” on port 262 and gets out as an SIP call on port 261 to the extension that is dialled in DISA mode. Notice that the identity of the caller, ANI, which is here the cellular number, is transmitted all along:

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Settings

Configure the settings for the IP phone exchange that will work with the MobiLink.

Select the parameters for the IP phone exchange where the Topex VoIP-2-mobile interface is connected: IP address, subnetmask, and SIP port.

Subnet mask – establishes the sub-network of the PABX, calls will be accepted from all the SIP phones from the same sub-network: 0 – calls are accepted form any address 8 – from 192.168.yyy.xxx 16 – from 192.168. 244. xxx 32 – only form a single address, 192.168.244.239 in example above.

SIP Port – number of the port used for SIP calls. Here the port used for SIP is the standard 5060, but the user may change this value if the SIP PBX operates differently.

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Register users

The list is empty at first - click the button New to create a new (empty) record. Then use Edit to enter the data for the specific SIP user:

For each user, fill in the local extension number, such as “346”, a password, used together with SIP username for SIP user registration the settings for expiration tine and NAT refresh.

Notice that each entry in the list of registered SIP users may be individually enabled or disabled, so there can be a list with several users, out of which only some are currently enabled (active).

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Incoming calls

Settings for the incoming calls, that means calls which come in through the mobile interfaces of the equipment:

Here there are only two rows that can be edited - it cannot be deleted or more rows added to it. Each row sets the rules for one GMS module – interfaces Mobile 1 and respectively Mobile 2:

Define the rules for calls coming in from the mobile networks. For each of the two Mobile interfaces one can choose Enable or Disable and select the Target (destination) and Action to be taken. First click Edit to start editing the specific row, then Exit and save the settings:

Target – the number of the local extension where the calls will be routed which are coming in through the respective Mobile interface (196, 241, 283, etc in the examples used). DISA – select No (default) or Yes from the drop list.

If choosing YES, the value in the field Target doesn’t matter any longer, the caller will receive a DISA tone allowing him to dial the number of the local extension he wants to reach. See below the routing of such a call, coming in through interface Mobile1 and being connected to destination by means of DISA dialling:

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Outgoing calls

Establishes the rules for outgoing calls, which are calls coming from SIP and directed to mobile networks:

One can define a table with several rules for calls coming in from SIP and going out through the mobile interfaces.

Each rule may be individually enabled or disabled. The program analyses the numbering (the prefix) of the phone number called and routes them accordingly through one of the mobile interfaces. If one of the mobile ports is disabled, the respective GSM module will NOT be used for outgoing calls.

Use the New button to create a new rule, Edit to fill the parameters for it, Exit to get out of the respective row, and Save to save the rules created.

The button Del is to erase an existing rule from the table.

Example:

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If the call has the prefix 072, it will go out through the interface Mobile2, if it has the prefix 079, it will go out through the interface Mobile1, and so on.

The prefix “0ff” means zero followed by two digits (no matter which ones), one must use this format for compatibility – all the prefixes in the table must have the same number of digits. The value “any” in the field “Interface” means that the respective call can be routed via any of the two modules.

PBX Querry

Allows the sending of text commands to the phone exchange application which runs on the MobiLinkIP equipment.

The command “help” shows you all available commands:

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Log Settings

Here one can set up for each section of the log how much information will be stored.

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The sections of the log are: Voice over IP, SIP and respectively PBX. In each section there are one or several items, and for each of these items you may choose the level of details of the log form the drop list that shows up: None, Error, Info, Warning, Debug, Devel, Verbose and so on. “None” or “Disable” means no log at all is created for the respective element, “Error” is the minimal level (only errors will be logged), while “Devel” is the maximum details setting – everything is logged, for the usage of developers.

SYSTEM

It shows the current state of the MobiLink IP equipment and the logs also allows performing several system-related operations.

The system configuration pages include these settings:

- Status, displays the current status of the MobiLinkIP equipment

- Syslog View, shows the log file and allows you to save it

- Syslog Settings, settings for the remote log

- Update, you may perform firmware update or upgrade

- Password, allows modification of the password

- Defaults, restores the factory default settings

- Save, saves the current configuration of MobiLinkIP

- Load, loads a configuration previously stored.

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Status

Shows the status of the MobiLinkIP system. In some firmware versions, System Status and other special Admin functions may be protected by additional passwords.

This page displays information about the following items:

- Serial Number: each MobiLinkIP device from Topex has a unique identification number, such as

2709057 in the above example, 0707214, 0707489, etc. This is the serial number of the main board of the Topex router. According to the requirements of the users, a certain MobiLinkIP motherboard may be fitted from factory with one of two modems of different types, or other hardware features, but the serial numbers remain the same;

- Firmware version: version of the application firmware running on MobiLinkIP: you may see topex-

mobililik-ip-0.0.4-MJJ- or “topex-mobiLink-1.0.1-M2P-xyz”. The firmware can be easily updated (a new version) or upgraded (new software features added)

- Kernel version (Operating system version), such as topex-system-1.0.0-MXX or “topex-mobilink-ip-

0.0.3.-A” in the example above. The application firmware and the operating system (root or kernel) may be updated separately, according to the requirements of the users. The operating system memory is write-protected, thus in case of problems, accidental erasure or power failure during updating, you still have a functional “kernel” allowing you to load a new software image;

System uptime: time since the last restart of the MobiLinkIP, both in full format (hours:minutes:seconds) and short format (up 1 minute) “System uptime: 11:41:59 up 4:50”;

- Load average: “0.06, 0.04, 0.01” or “load average: 1.50, 1.67, 1.71 “ - info about system loading

(maximum value / average value / number of active processes)

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Syslog View

Shows the system log:

The log is a place where all the applications running on the MobiLinkIP store their output messages: status reports, confirmation or error messages, activity, etc.

It is a plain text (thus easy to interpret) record of actions taken by the software as it runs on MobiLinkIP: changes made, devices and drivers detected, files added or deleted, communication with the modem, network settings, etc.

Correspondingly, records of the kernel or of the user info, debug messages, info or warnings can be seen in the log:

The log is very helpful when troubleshooting. It may be saved on a PC (simply use “Save As” option of your browser) for further examination.

Use the button “Save and reload” at the bottom of the Syslog window to save the current log and refresh the display:

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Syslog Settings

Settings for the remote system log:

By default, the remote log is disabled. If you select Enable and enter a valid IP, instead of showing the log file locally, MobiLink IP will send it to the remote machine. You can also establish the size of the circular buffer that temporary stores the log.

Update

Allows one to perform an update or upgrade of the firmware running on the MobiLinkIP.

The webpage displays a single field, “Enter in Upgrading Mode No/Yes”. As you can see, the default is No, to prevent accidentally going to the mode of operation “Upgrade”. If you do want to perform a software upgrade, select YES from the drop list, then click the button “Reboot”.

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The screen will display the message “Restart in Upgrading Mode, Please wait!” and below it you will se a progress bar:

MobilinkIP will shut down and restart in Upgrading Mode. This special mode of operation frees up the memory of the equipment for the new firmware, allowing you to perfom software upgrade easily and safely. During the updating process, mobiLink IP is not available for routing VoIP and mobile calls. Alos, if an error occurs during software update and the image file gets corrupted, the equipment will restart in System mode, allowing you to

The Upgrade configuration page is simplified, containing just a few elements – MobiLinkIP is operating

in System (Kernel) mode only.

There are only two pages available, NETWORK and SYSTEM. Network shows the state of the network, you can’t perform changes. In System, you can both see the state of the equipment, or look at the logs, as shown below in the page “Syslog View”:

But you can also perform a firmware update!

To perform an update, go to SYSTEM>Update as shown in the next image:

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The update (firmware image) must be on the PC. The image files are binaries that have the extension “trx”. One may download the image files from the TOPEX website. The update files are called “topexequipment-1.2.3- x.y.z-P.trx”, where “equipment” is the name of the device, such as <<mobilink-ip>>, in the case of MobiLink IP, and 1.2.3. is the version number, for instance 0.0.4 or 1.0.1. The next three letters indicate the hardware model, such as M1P or M2P:

These are very important, because you must allways load a firmware image which corresponds to the type of your equipment – when you have a “M2P” box, you must update with an image type M2P, and not M1P or M2J! The three letters at the end, such as SAX or SCX define the software version. Enter the name of the update or click Browse to search for it on the system. In the example below, the image files are located in the folder “Updates” on the system partition of the hard disk drive, C:

Select the sub-folder for MobiLink IP, choose thefile needed and click Open.

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Note:

Each firmware file has an associated Control Sum. The control sum is a string of hexadecimal figures, such as “f2209c63972be34f55d4e69d90042d93” and it is stored in a text file (with .txt extension), with the same name as the firmware image. Using a control sum prevents the user from loading a corrupted image.

Open the associated text file with the control sum, as shown below:

Open it with a text editor,m such as NotePad::

copy the string of checksum from this file and paste it in the MobiLink IP web-page in the field named “Control Sum:

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Finally, click the “Send” button to perform the update

A “Firmware Update” window shows up, where progress can be seen with a progress indicator under the message “Updating firmware, please wait!”

Note that there are two distinct, successive phases of updating the firmware image:

 in the first one, while the message “Updating firmware” is blinking, the equipment just checks the

program image to be loaded against its checksum.

 if the result of the verification is OK, the MobiLinkIP device goes to the second phase where it

actually loads the new firmware into its Flash memory.

After the loading of the new firmware is completed, you you can restart the MobiLink IP equipment to start it operating with the new software.

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For this, you may use the “StartApp” button located at the botton of the system menu, at the left of the web page.

As an alternative, you can perform a hardware “Return to factory defaults” by keeping the RST button pressed when you power up the equipment.

The button will start up the main application software running on MobiLink IP, which allows it to perform as a VoIp to Mobile gateway:

To verify the updating of the firmware, you can compare the System Status screen before and after loading the software image:

Before:

After update:

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Warning: Do not update the firmware unless there are problems with the MobiLinkIP router or the new firmware has a feature that you need. Remember to backup the current configuration first. Be careful when loading an update file. If selecting a wrong file, or if for different reasons firmware upgrading fails, the equipment may no longer operate correctly. A special firmware restore will have to be performed.

To avoid this, follow the rules carefully:

- don’t turn off the MobiLinkIP equipment or the computer while the firmware is being overwritten;

- remember the equipment does not work while firmware update is in progress;

- after successful updating, verify the upgraded firmware;

- remember that updating the firmware on the MobiLinkIP could cause some or all of the

configuration settings to be lost, depending on the degree of change in the firmware. Therefore it is highly recommended to save the current configuration before updating, and then restore it. To backup the settings, perform a Save, update the firmware, and then load the saved settings, after having the equipment operating with the updated firmware.

Password

Allows the modification of passwords for the log-in accounts, in this case “admin”. For changing the “admin” account password, the user must be logged in as admin. Type the new password and enter it again on the second row to confirm it.

“Save” saves the new password.

Replace the default password (99admin11) with one of your own as soon as possible.

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Please choose a password with a minimum of six characters. In order to effectively prevent unauthorized access, the password must be long enough and include both letters and numbers. Note that the password is case-sensitive.

Password

This option restores all the system settings to factory defaults. One can also click Default on each page to reset the respective parameters to default, but this function restores the whole device to factory default at once.

When selecting “Defaults”, a confirmation window shows up, asking you “Are you sure?”

If wanting to proceed, click the YES button and the equipment will revert to the factory default settings. Following a reset, it will start operating with the factory default values for all parameters.

During the process, “Updating settings, please wait!” and a red progress bar, can be seen as shown below:

CAUTION!

Use this option carefully. During the process, the MobiLinkIP will not be available for VoIP, call routing and connecting to the mobile network. For a few moments, the LAN icon in the status bar will be barred with a red “x” and the message “A network cable is unplugged” will show up, indicating that MobiLinkIP is unavailable.

Hardware factory defaults

“Return to Defaults” can also be performed via hardware. This means the Web interface doesn’t have to be used.

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For this, perform the Hardware reset described previously:

Remember, you must follow the procedure described next, simply pressing the recessed RST button

won’t work. So you must follow these steps:

- shut down the MobiLinkIP device (unplug the power jack)

- press the RST button and keep it pressed

- power up MobiLinkIP

- wait until all three LEDs light up in red, then leave the RST button.

Now the equipment performs a reset with return to factory default settings. This does NOT happed if you don’t

follow exactly the procedure described above – for instance, if you continue to press RST after the three indicators have turned on in red color!

This way of restoring the factory default settings is faster than using the web interface, but the same care should be exercised.

Note: The “Return to Defaults” option is quite useful when incorrect settings have been performed or when the IP of the MobiLinkIP device are forgotten. If not having the IP address or if having incorrect settings for iptables, one won’t be able to connect to the VoIP2Mobile to administer it. Perform a hardware “factory defaults”, and MobiLinkIP will revert to its original settings, including the IP address of 192.168.173.1

Save

Makes a backup copy of the current configuration (all the settings made) of the MobiLinkIP.

The configuration file is called “CONF.tar” by default A message similar to this will be shown:

Note: As shown in the example above, the Windows operating system may see this configuration file as a kind of archive and issue a warning, but it does not matter.

Click “Save” or select “Save it to disk” to save the file with the current configuration of the MobiLinkIP.

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One may select the folder where the configuration will be saved; also, one should change the default name “conf.tar” into a name meaningful for the actual configuration.

Note: It is highly recommended to backup the configuration from time to time. This way the user can always load the saved configuration, if there is need. For instance, when performing a “Restore to factory defaults”, all previous settings are lost. If the configuration was saved, it can be loaded back to perform changes.

Also, one should perform a “Save” before using “Update” to load a new software image, since the new firmware could erase some of the settings.

This is especially useful when having configured many particular settings, for example related to routing rules or to IP SEC tunnels – it will take a long time to edit these specific settings by hand.

Load

It loads a configuration file that has been saved previously or restores a backup.

It is the operation complimentary to “Save”:

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Use “Browse” or “Choose” button to navigate to the location where the configuration file was saved.

Press Open, then click “Send” to send the file to the MobiLinkIP.

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First the message “Updating settings, please wait” will start to blink, and then a red progress, below the blinking message: “

TECHNICAL SPECIFICATIONS

TITLE DESCRIPTION

Mobile networks supported

GSM /GPRS and respectively UMTS for the 3G modules

Frequency bands

GSM/GPRS/EDGE: Tri-band, 800/900/1800 MHz

UMTS 2100MHz: 2100 MHz (Band Class 1) Supported protocols

TCP/IP, PPP, CHAP, PAP, ARP, UDP, RIP v.2, NTP and others

Features Web configuration

Wired Network interface

One LAN port, Ethernet 10/100 base-T

Connector type: female RJ45

Transfer speed: 10/100 Mbps

Max. transmitter power

GSM/GPRS/EDGE 800/900MHz: +32dBm (Power Class 4)

GSM/GPRS/EDGE 1800MHz: +29 dBm (Power Class 1)

UMTS/HSDPA 2100MHz: +23dBm (Power Class 3. 8PSK mode Class E2) ,

only for devices fitted with 3G modules

Receiver static sensitivity

GSM/GPRS/EDGE 800/900: - 107 dBm

1800 MHz: -105 dBm

Compliant with TS 05.05 (R99)

UMTS/HSDPA 2100MHz: Compliant with 3GPP TS 25.101(R5) only for

devices fitted with 3G modules

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TITLE DESCRIPTION

Voice service

GSM: FR, EFR, HR, AMR

UMTS: AMR(12.2kbps/10.2kbps/7.95kbps/7.4kbps/6.7kbps/5.9kbps /

5.15kbps/4.75kbps)

Concurrent service (Based on UMTS)

1 UMTS CS voice + 1 UMTS PS data, only for devices fitted with 3G modules

SMS

Supporting SMS based on CS domain of GSM or UMTS Supporting SMS

based on PS domain of UMTS

Mobile antennas External quad-band antennas with magnetic base and cable

Supply voltage 12 V

D.C

. (+ centre wire, - external conductor)

Supply adapter

Special adapter, Dee Van Enterprises Ltd. Type: DVE DSA-30PF-12

output : 12 V

D.C

. / 2 A

Input: from 100 to 240 V

A.C

. / 0,3 A / 50 Hz

Status indicators Three bicolor LEDs, for Status, Mobile 1, Mobile 2

Temp. range

Operating: 50 .... 500 C

Storage: 00.... 600 C

Dimensions (L x W x H)

222 x 115 x 32 (mm) except protrusions

Weight

500 g – MobiLinkIP unit

1 kg – the whole package

OPERATING ENVIRONMENT

MobiLinkIP was designed for indoor use only, so you should NOT operate it outdoors.

Install the MobiLinkIP in closed rooms or enclosures, where the environmental conditions should be:

 operating temperature range: from 5 to 50 degrees C  relative humidity: from 10 to 85 %, non-condensing

Avoid dust and prolonged exposure to sun. In addition, The MobiLinkIP must NOT be used in a flammable or explosive environment, or in locations where toxic or flammable gases may accumulate.

The equipment must be handled with care, to avoid mechanical shocks and blows.

The MobiLinkIP should not be used in an environment with high level of EMI (electromagnetic interferences) that is in close proximity to high power equipment such as electric motors or heaters. In addition, it should not be placed near copiers, PC monitors, TV sets or other audio-video appliances.

In order to ensure adequate working temperature, the MobiLinkIP interface must not be used too close to heat sources or in direct sunlight. Also, it must not be overcrowded: leave free space around, below and above the MobiLinkIP router. This is needed both for connecting Ethernet and antennas cables, and also for ventilation (natural air cooling to dissipate the heat generated during operation).

When allowed operating temperature is exceeded this may not have an immediate, visible effect on the MobiLinkIP unit, but it can result in unreliable operation, accelerated ageing and hence diminishing of lifetime.

When selecting the location for installing the external antennas of the MobiLinkIP, refer to the recommendations described in the chapter about mounting the equipment.

The TOPEX MobiLinkIP does not include materials or components that are harmful to the environment.

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When the life cycle of this device has expired and it cannot be repaired or re-used, dispose of it in accordance with applicable laws and legal regulations.

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GLOSSARY

3G – “Third generation” mobile networks, specially designed for high speed data services. The classic

definition of wireless networks that following the 2G systems (GSM) and they offer high speed data services in addition to the basic voice capability. These 3G mobile communications systems provide an enhanced range of multimedia services (high speed Internet access, video streaming, etc.). The high data transfer speed specific to the third generation communications network leads to an increased efficiency of information transmission, while the real time access to data and information means important savings of time and money. UMTS is the best known of the 3Gnetworks, while HSDPA is a 3,5G development. ANI – Acronym for Automatic Number Identification - a feature of telephony intelligent network services which allows subscribers to display or capture the telephone numbers of calling parties. The service is often provided by sending the digital tone multi frequency (DTMF) tones along with the call. Home users of ANI can screen callers. ANI is commonly used by emergency centre dispatchers to save the caller having to report the information and, when necessary, to help locate callers. A telephone company's 9-1-1 service to a public safety point usually includes the ANI feature. For instance, in a call center, ANI displays the number of the calling party to the call center agent in real time. Among other things, the call center can use the information to forward calls to different people for different geographic areas.

DHCP (Dynamic Host Configuration Protocol) - This protocol allows a computer (or many computers on your network) to be automatically assigned a single IP address from a DHCP server. DHCP is available on MobiLinkIP number that the caller dialled. DNIS works by passing the touch tone digits (dual tone multi frequency or MF digits) to the destination where a special facility can read and display them or make them available for call center programming. For example, a company may have a different toll free number for each product line it sells. If a call center is handling calls for multiple product lines, the switch that receives the call can examine the DNIS, and then play the appropriate recorded greeting. Another example of multiple toll free numbers might be used for multi-lingual identification. A dedicated toll free number might be set up for Spanish or Chinese speaking customers. DNS – Acronym for Domain Name System (or Service), an Internet service that translates domain names into IP addresses. This allows the Internet hosts to use both addresses type domain name (such as topex.ro or linux.org), and addresses type IP numbers (for instance 192.17.3.4). The domain name addresses are intended for human users and are automatically converted into IP (numeric) addresses. Because domain names are alphabetic, they are much easier to remember. The Internet however, is really based on IP addresses. Every time you use a domain name, therefore, a DNS service must translate the name into the corresponding IP address. DNS Server – computer able to answer to the interrogations in a DNS system. The DNS server maintains a database that includes the host computers with their domain names and the corresponding IP addresses. For instance, if you ask the DNS server for the domain name apex.com, it will return the IP address of the hypothetical company called Apex. DNS servers are linked in their network, so if one DNS server doesn't know how to translate a particular domain name, it asks another one, and so on, until the correct IP address is found. When a user enters a domain name into the Internet browser, the user is sent by the DNS Server to the proper IP address. The DNS server address used by the computers on your home network is the location of the DNS DNS Server Address (Domain Name System) - DNS allows Internet host computers to have a domain name and one or more IP addresses. A DNS server keeps a database of host computers and their respective domain names and IP addresses, so that server your ISP has assigned. Dynamic DNS - service that allows clients connecting to the Internet with a dynamic IP address to be able to use applications that require a static IP address. The Internet Service Provider changes the IP address of the users, but there are applications that work only with static (fixed) IP addresses. Dynamic DNS makes it possible for sites on the Internet to establish connections to you computer without need for tracking the IP address themselves. DDNS is useful both for wired or wireless (such as 3G) dialup connection where at each connection a new address is assigned, and for DSL services where the address is changed occasionally by the ISP. Domain Name Resolution - The resolving of a domain name. Internet applications don’t communicate with domain names such as google.com or topex.ro, instead they use IP addresses (for example 193.226.61.95 or 216.239.39.99). Domain Name Resolution is the process (transparent for

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the user) of converting domain names into corresponding IP addresses. Every operating system has routines that deal with resolution of domain names.

Encryption - This provides wireless data transmissions with a level of security. Ethernet - Standard for wired computer networks. Ethernet networks are connected by cables and

hubs, and move data around. For wired connections, MobiLinkIP provides Ethernet 10/100 ports, four for the local LAN and one for WAN. Firewall - System designed to prevent unauthorized access to or from a private network. The firewall determines which information passes in and out of and prevents anyone outside of your network from accessing your computer without authorization and possibly damaging or viewing your files. Any company with an intranet that allows its workers access to the wider Internet must use a software or hardware firewall to prevent outsiders from accessing its own private data resources and for controlling what outside resources its own users have access to. Here the firewall is software a set of related programs (residing on the gateway server) that protect the resources of the local (internal) network. Gateway - A network point that manages all the data traffic of your network, as well as to the Internet and connects one network to another. MobiLinkIP is also gateway, since it interfaces between VoIP calls form the local network and the voice mobile networks. IP Address – Short from Internet Protocol address. The numerical address of a network device or resource as expressed in the format specified in the Internet Protocol (IP). In the current addressing format, IP version 4, the IP address is a 32-bit (4 bytes) sequence divided into four groups of decimal numbers separated by periods ("dots"). Each number can be zero to 255. These four groups of numbers look like “127.0.0.1” or „213.154.120.170”. The four numbers in an IP address are used in different ways to identify a particular network and a host on that network. IP – Acronym for Internet Protocol. It is the protocol from TCP/IP that directs the way data is sent from one computer to another on the Internet. The messages are divided into data packets, routed from the sender network to the receiver network and there re-assembled in the right order to re-create the original message. Because a message is divided into a number of packets, each packet can, if necessary, be sent by a different route across the Internet. These data packets can arrive in a different order than the order they were sent in. The Internet Protocol just delivers them. It's up to TCP protocol (Transmission Control Protocol) to put the packets back in the right order. Note that IP is a connectionless protocol, which means that there is no continuing connection between the end points that are communicating. IP corresponds to the layer 3, the Networking Layer from the Open Systems Interconnection (OSI) communication model.

. ISP (Internet Service Provider) - An ISP is a business that allows individuals or businesses to connect to the Internet. Users log on to the Internet using an account with an ISP or Internet Service Provider. ISPs can serve IP addresses dynamically, or assign static (fixed) IP addresses to individual computers.

LAN - Acronym for local area network (computer network that spans a relatively small area). A group of computers, workstations and associated devices that share a common communications line or wireless link and are located in a relatively limited area, typically inside the same office building. The communications link that interconnects these computers allows any device of the network to interact with any other from the same network. The devices that compose a local network (workstations, personal computers and peripherals) are called nodes and typically share the resources of a single processor or server. This server has resources (applications, processing and data storage capabilities) that are shared in common by multiple computer users. The LAN can be connected to other local networks over any distance via phone lines, wireless links or other connections, and the system of LANs connected in this way is called a wide-area network (WAN). The LAN may also be connected to the Internet through a gateway. MobiLinkIP equipment is connected in a local network through its Ethernet port.

LCR – Acronym for Least Cost Routing - Refers to the method for delivering calls according to the lowest cost carrier. Often more than one carrier can compete to deliver a call and depending on their relative charges, the LCR Switch (which contains a database of our carriers, destinations and charges) will connect the call via the cheapest carrier. This process means searching for the optimum traffic routes via one or several traffic routings enabling a cost reduction. MobiLinkIP implements LCR functions, since it analyse incoming calls and sends them to the established route or towards the GSM module which assures the minimum costs.

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MAC Address (Media Access Control) - A MAC address is the hardware (physical) address of a device connected to a network. All network interface controllers must have a hard-coded and unique MAC address. The MAC address is applied at the factory and uniquely identifies network hardware, such as an Ethernet cards, modems or wireless adaptors on a LAN or WAN. The first part of the address is unique to the company that produced the device, and beyond that it is a sequence of digits unique to a single device manufactured by a company. MobiLink IP features a single Ethernet port, so it will have one MAC.

SNTP - Acronym for Simple Network Time Protocol. Simplified version of NTP, Internet standard protocol used to update the real-time clock in a computer. It assures accurate synchronization to the millisecond of computer clock times in a network of computers. NTP is very useful in packet-switched, variable-latency data networks. In case of MobiLinkIP, if you want to measure the performances of the network, you need accurate, universal time-stamps for the data packets. NTP runs as a continuous background client program on a computer and it sends periodic time requests to servers, obtaining server time stamps and using them to adjust the client's clock. NTP uses UDP port 123 as its transport layer. It is designed particularly to resist the effects of variable latency. There are numerous primary and secondary servers in the Internet that are synchronized to the Coordinated Universal Time (UTC) via radio, satellite or modem. For more information, visit

www.ntp.org.

Routing -The process of determining and prescribing the path or method to be used for establishing connections and forwarding data packets. In a network, a 'routing switch' is a device that combines the functions of a switch, which forwards data by looking at a physical device address, and a router, which forwards packets by locating a next hop address. Each host with a router in the network uses the routing table information to determine the next host to route a packet to for a specified destination.

S-HTTP - Acronym for SECURE HYPERTEXT TRANSFER PROTOCOL. A secure way of transferring information over the Web, by using an application-level encryption scheme. S-HTTP is an extension of the normal HTTP with security enhancements for WWW-based commerce. Web pages that use S-HTTP have a URL starting with https://. Typically HTTP data is sent over TCP/IP port 80, but HTTPS data is sent over port 443. The standard was developed for secure transactions, and uses 40-bit encryption ("weak" encryption) or 128-bit ("strong" encryption). The HTTPS standard supports certificates and allows encryption, digital signatures, authentication, or any combination of these. The S-HTTP type of transaction security is more secure than a user ID and password, thus it is mostly used by financial institutions (for example for credit-card purchases over the Web). Since MobiLinkIP provides S-HTTP connection to its pages of configuration, this means a higher degree of security for you.

SMS - Acronym for Short Message Service; means the transmission of short text messages to and from cellular phones. The messages must be text only (no images or graphics) and not longer than 160 alpha-numeric characters. Operators of Mobile Phone Networks use a spare data channel to send SMS messages. You may send SMS messages to another mobile subscriber, the mobile operator can send you phone settings over-the-air or commercial companies may send dedicated content to your mobile terminal. The embedded firmware allows MobiLinkIP to send and receive SMS (via mobile network) from the computer connected to it.

SIP – Acronym for Session Initiation Protocol - a protocol proposed standard for initiating, modifying, and terminating an interactive user session that involves multimedia elements such as video, voice, instant messaging, online games, and virtual reality. It is one of the leading signaling protocols for Voice over IP, along with H.323. MobiLinkIP is used for VoIP calls that use the SIP protocol.

SIP clients traditionally use TCP and UDP port 5060 to connect to SIP servers and other SIP endpoints. SIP is primarily used in setting up and tearing down voice or video calls. However, it can be used in any application where session initiation is a requirement. These include Event Subscription and Notification, Terminal mobility and so on. There are a large number of SIP-related RFCs that define behaviour for such applications. All voice/video communications are done over separate transport protocols, typically RTP.

TCP/IP – Acronym for Transmission Control Protocol / Internet Protocol. It was established by the Defence Department of the USA for communications between computers. It has been at first

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incorporated in UNIX operating system but has become the de facto standard for data transmission via networks, including for Internet. Currently TCP/IP is the basic communication language or protocol of the Internet, but it can also be used as a communications protocol in private network. TCP/IP uses the client/server model of communication in which a computer user (a client) requests and is provided a service (such as sending a Web page) by another computer (a server) in the network. TCP/IP is a two-layer program. The higher layer, Transmission Control Protocol, manages the assembling of a message or file into smaller packets that are transmitted over the Internet and received by a TCP layer that reassembles the packets into the original message. The lower layer, Internet Protocol, handles the address part of each packet so that it gets to the right destination. For details see the definitions of those protocols that Access -LAN supports.

TCP – Acronym for Transmission Control Protocol. In TCP/IP, the TCP part is the one that takes care of keeping track of the individual units of data (packets) that a message was divided into for efficient routing through the Internet. TCP is known as a connection-oriented protocol, which means that a connection is established and maintained until the message or messages to be exchanged by the application programs at each end have been exchanged. TCP is responsible for ensuring that a message is divided into the packets that IP manages and for reassembling the packets back into the complete message at the other end. At the destination, TCP reassembles the individual packets and waits until they have all arrived to forward them to you as a single file. It also checks the received packets. TCP acts at the transport level (level 4) of the ISO/OSI model. See also ISO/OSI model, packet, TCP/IP.

TDM – Acronym for Time Division Multiplexing - is a type of digital multiplexing in which two or more apparently simultaneous channels are derived from a given frequency spectrum by interleaving pulses representing bits from different channels. In some TDM systems, successive pulses represent bits from successive channels. In other systems different channels take turns using the channels for a group of successive pulse-times (a so-called "time slot"), such as voice channels in E1/T1 landline systems or wireless GSM systems. What distinguishes coarse time-division multiplexing from packet switching is that the time-slots are pre-allocated to the channels, rather than arbitrated on a per-time slot basis. Since it interfaces between VoIP and GSM networks, MobiLinkIP also performs conversion between TDM and packet-switching!

UDP – Acronym for User Datagram Protocol. It is a simpler protocol than TCP/IP that corresponds to the transport layer of the ISO/OSI model. UDP converts the messages generated by the application into data packets to be sent through IP, but does not check if the messages have been transmitted correctly or not. UDP allows individual packets to be dropped (with no retries) and UDP packets to be received in a different order than they were sent. Consequently UDP is more efficient but less reliable than TCP and is used to different purposes - primarily for broadcasting messages over a network. With UDP, reliability is wholly in charge of the application that generates the message. UDP is used often in applications such as videoconferencing or games where optimal performance is preferred over guaranteed message delivery.

VoIP - Acronym for Voice over IP. It describes the hardware or software category which allows humans to make phone calls over the Internet. The voice signals are converted in data packets and these are sent on the public telephonic lines, avoiding the costs of the PSTN network. The VoIP applications can be used with a regular microphone and computer speakers, but also can be used IP phones or VoIP speakers, providing an identical experience like the regular telephony. In the last time, the quality and the reliability of the VoIP technology improved so much that many users renounced completely at the standard telephony contracts for VoIP technology.

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The manufacturer reserves the right to modify the product and manual for the purpose of technical improvement without prior notice. The manufacturer guarantees the good functioning of the product provided that it has been correctly installed and the directives for storage and usage have been respected. The warranty implies exclusively repairing or replacing the defective unit. The warranty does not include any indirect losses or loss of profit. The manufacturer is not liable for any damage, whether direct, indirect, special, incidental, or consequential, as a result of using Topex MobiLinkIP .

No part of this manual may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means, electronic, mechanical, recording, or otherwise, without the prior written permission of the company TOPEX S.A.

It is certified hereby that the Topex MobiLinkIP unit is manufactured in concordance with the legal provisions concerning responsibility towards the quality of delivered products, fulfils the quality parameters specified in its “User’s manual” and is fit for the purpose for which it has been designed. It also warrants that the equipment will perform substantially in accordance with the accompanying documentation.

Any comments, suggestions and proposals of yours concerning our products are welcome and we are gladly waiting for your feedback:

TOPEX S.A.

Feleacu street, no. 10, sector 1

Bucharest 014186 ROMANIA

Tel: +4021 408.39.00

Fax: +4021 408.39.09

E-mail: topex@ topex.ro

Web: http://www.topex.ro

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Specifications and Main Features

Frequently Asked Questions

User Manual

INTRODUCTION

PACKAGE CONTENT

1. MobiLink IP FEATURES

IDENTIFICATION

LABELS AND IDENTIFICATORS

SIGNIFICANCE OF LABELS

SOFTWARE INFORMATION

INSTALLATION

ESTABLISHING THE BEST LOCATION

MOUNTING (HARDWARE INSTALLATION)

IDENTIFICATION OF CONNECTORS

CONNECTING THE DATA CABLES

CONFIGURING AND INSTALLING THE SIM CARDS

Connecting the external antennas

Power up

Status indicators

CONFIGURATION

Required conditions for configuration

Using the web interface

NETWORK

Status

IP Settings

1.1.1 Static Routes

Commit

SNTP Client

Mobile

Status

Settings

VoIP

Codec Settings

DTMF Settings

5.5.3 Voice Settings

Status

Settings

Register users

Incoming calls

Outgoing calls

PBX Querry

Log Settings

SYSTEM

Status

Syslog View

Syslog Settings

Update

Password

Password

Save

Load

TECHNICAL SPECIFICATIONS

OPERATING ENVIRONMENT

GLOSSARY