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Manual
Pocket ISDN
Nov-09
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Copyright © November 09 INSYS MICROELECTRONICS GmbH
Any duplication of this manual is prohibited. All rights on this documentation and the
devices are with INSYS MICROELECTRONICS GmbH Regensburg.
Trademarks
The use of a trademark not shown below is not an indication that it is freely available for
use.
MNP is a registered trademark of Microcom Inc.
IBM PC, AT, XT are registered trademarks of International Business Machine Corporation.
INSYS ® is a registered trademark of INSYS MICROELECTRONICS GmbH.
Windows™ is a registered trademark of Microsoft Corporation.
Linux is a registered trademark of Linus Torvalds.
Publisher:
INSYS MICROELECTRONICS GmbH
Waffnergasse 8
D-93047 Regensburg, Germany
Phone: +49 (0)941/56 00 61
Fax: +49 (0)941/56 34 71
E-mail: insys@insys-tec.de
Internet: http://www.insys-tec.de
Date: Nov-09
Item: 31-22-06.002
Version: 4.0
Language: EN
Page 4
Contents
4 Nov-09
1 Safety .................................................................................................................. 6
1.1 Usage According to the Regulations ..................................................................................6
1.2 Permissible Technical Limits...............................................................................................7
1.3 Defects Liability Terms .......................................................................................................7
1.4 Labels and Symbols.............................................................................................................8
1.4.1 Symbols and Key Words...................................................................................................8
1.5 Responsibilities of the Operator.........................................................................................9
1.6 Qualification of the Personnel ...........................................................................................9
1.7 Safety Instructions for Transport .......................................................................................9
1.8 Safety Instructions for Electrical Installation.....................................................................9
1.9 General Safety Instructions..............................................................................................10
2 Scope of Delivery .............................................................................................. 11
3 General Information ......................................................................................... 12
3.1 Product Description ..........................................................................................................12
3.2 Internet Access..................................................................................................................13
3.3 AOL/CompuServe Access ..................................................................................................13
3.4 T-Online.............................................................................................................................13
3.5 LAN Remote Access...........................................................................................................13
4 Technical Data................................................................................................... 14
4.1 Physical Features ..............................................................................................................14
4.2 Technological Features .....................................................................................................14
4.3 Certifications.....................................................................................................................15
5 Connections and LEDs ....................................................................................... 16
5.1 Front Panel ........................................................................................................................16
5.2 Rear panel .........................................................................................................................17
5.3 Pin Assignment of the Serial Interface.............................................................................17
5.4 Pin Assignment of the S0 Interface..................................................................................18
6 Function Overview............................................................................................ 19
7 Meaning of the Symbols and the Formatting in this Manual.......................... 20
8 Initial Operation................................................................................................ 21
9 Operating Principle........................................................................................... 23
9.1 Operation with the Terminal Program.............................................................................23
10 Functions ........................................................................................................... 24
10.1 Establishing or Accepting a Data Connection..................................................................24
10.2 Automatic call...................................................................................................................26
10.2.1 Configuring an Automatic Call.................................................................................... 26
10.2.2 Disabling an Automatic Call......................................................................................... 28
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Contents
Nov-09 5
10.3
Data flow control..............................................................................................................29
10.3.1 Hardware Data Flow Control (RTS/CTS).................................................................... 29
10.3.2 Software Data Flow Control with XON/XOFF.......................................................... 29
10.4 Remote Configuration......................................................................................................30
10.4.1 Remotely Configuring the Pocket ISDN.....................................................................30
10.4.2 Configuring the Remote Configuration Number ...................................................31
10.4.3 Configuring the Remote Configuration Password................................................. 31
10.4.4 Configuring the Permitted Callers for Remote Configuration............................ 32
10.5 Connection Configuration of the Pocket ISDN at the ISDN Basic Access........................33
10.5.1 Configuration at Multipoint Interface (PMP, Point-to-Multipoint) ................... 33
10.5.2 Configuration at Point-to-Point Interface (PTP, Point-to-Point)......................... 33
10.6 Security Callback (only Pocket ISDN Profi).......................................................................34
10.7 Selective Call Acceptance .................................................................................................35
10.8 TA+Configurator ...............................................................................................................36
10.9 Configuring the Transfer Protocol....................................................................................37
10.10 Outputting CLIP of Incoming Calls ...................................................................................38
10.11 User-to-User-Signalling (UUS1)........................................................................................39
10.12 Sub-Addressing .................................................................................................................40
10.13 Using Multilink PPP (only Pocket ISDN Internet) .............................................................41
10.14 Details about Multilink PPP (only Pocket ISDN Internet)................................................41
10.15 Call Bumping (only Pocket ISDN Internet) .......................................................................42
10.16 Bandwidth on Demand (BOD) (only Pocket ISDN Internet) ............................................43
10.17 Resetting the Device .........................................................................................................44
11 ISDN Error Messages ......................................................................................... 45
11.1 Extended Error Messages with ISDN................................................................................47
12 Maintenance ..................................................................................................... 51
13 Firmware History .............................................................................................. 53
13.1 Pocket ISDN Internet ........................................................................................................53
13.2 Pocket ISDN Profi..............................................................................................................53
14 Waste Disposal.................................................................................................. 54
14.1 Repurchasing of Legacy Systems......................................................................................54
15 AT Command Reference ................................................................................... 55
16 Special ISDN Parameters................................................................................... 62
17 S Register........................................................................................................... 64
18 TA+Configurator Command Reference ............................................................ 65
19 Tables and Diagrams......................................................................................... 67
19.1 List of Tables .....................................................................................................................67
19.2 List of Diagrams ................................................................................................................67
20 Index.................................................................................................................. 68
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Safety Pocket ISDN
6
1 Safety
The Safety section provides an overview about the safety instructions, which must be
observed for the operation of the product.
The product is constructed according to the currently valid state-of-the-art technology
and reliable in operation. It has been checked and left the factory in flawless condition
concerning safety. In order to maintain this condition during the service life, the instructions of the valid publications and certificates must be observed and followed.
It is necessary to adhere to the general safety instructions must when operating the
product. The descriptions of processes and operation procedures are provided with precise safety instructions in the respective sections in addition to the general safety instructions.
An optimum protection of the personnel and the environment from hazards as well as a
safe and fault-free operation of the product is only possible if all safety instructions are
observed.
1.1 Usage According to the Regulations
The product may only be used for the purposes specified in the function overview. In addition, it may be used for the following purposes:
Data transmission functions in machines according to the machine direc-
tive 2006/42/EC.
Usage as data transmission device for a PLC or a usual PC.
The product may not be used for the following purposes and used or operated under the
following conditions:
Controlling or switching of machines and systems, which do not comply
with the directive 2006/42/EC.
Usage, controlling, switching and data transmission of machines and sys-
tems, which are operated in explosive atmospheres.
Controlling, switching and data transmission of machines, which may in-
volve risks to life and limb due to their functions or when a breakdown occurs.
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Pocket ISDN Safety
7
1.2 Permissible Technical Limits
The product is only intended for the use within the permissible technical limits specified
in the data sheets.
The following permissible limits must be observed:
The ambient temperature limits must not be fallen below or exceeded.
The supply voltage range must not be fallen below or exceeded.
The maximum humidity must not be exceeded and condensate formation
must be prevented.
The maximum switching voltage and the maximum switching current lo-
ad must not be exceeded.
The maximum input voltage and the maximum input current must not be
exceeded.
1.3 Defects Liability Terms
An usage according to the regulations, an ignorance of this documentation, the use of
insufficiently qualified personnel as well as unauthorised modifications exclude the liability of the manufacturer for damages resulting from this. The liability of the manufacturer ceases to exist.
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Safety Pocket ISDN
8
1.4 Labels and Symbols
1.4.1 Symbols and Key Words
Danger!
Risk of severe or fatal injury
One of this symbols in conjunction with the key word Danger
indicates an imminent danger. It will cause death or severe injuries if not avoid.
Warning!
Personal injury
This symbol in conjunction with the key word Warning indicates a possibly hazardous situation. It might cause death or
severe injuries if not avoid.
Caution!
Slight injury and material damage
This symbol in conjunction with the key word Caution indicates
a possibly hazardous or harmful situation. It might cause slight
or minor injuries or a damage of the product or something in its
vicinity if not avoided.
Note
Improvement of the application
This symbol in conjunction with the key word Note indicates
hints for the user or very useful information. This information
helps with installation, set-up and operation of the product to
ensure a fault-free operation.
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Pocket ISDN Safety
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1.5 Responsibilities of the Operator
As a matter of principle, the operator must observe the legal regulations, which are valid
in his country, concerning operation, functional test, repair and maintenance of electrical
devices.
1.6 Qualification of the Personnel
The installation, commissioning and maintenance of the product must only be performed by trained expert personnel, which has been authorised by the plant operator.
The expert personnel must have read and understood this documentation and observe
the instructions.
1.7 Safety Instructions for Transport
The following instructions must be observed:
Do not expose the product to moisture during transport. Pack product ac-
cordingly.
Pack product sufficiently to protect it against shocks during transport, e.g.
using air-cushioned packing material.
Check product for possible damages, which might have been caused by improper transport, before installation. Transport damages must be noted down to the shipping documents. All claims or damages must be filed immediately and before installation against
the carrier.
1.8 Safety Instructions for Electrical Installation
The electrical connection must only be made by authorised expert personnel according
to the wiring diagrams.
The notes to the electrical connection in the manual must be observed. Otherwise, the
protection category might be affected.
The safe disconnection of circuits, which are hazardous when touched, is only ensured if
the connected devices meet the requirements of VDE T.101 (Basic requirements for safe
disconnection).
The supply lines are to be routed apart from circuits, which are hazardous when touched,
or isolated additionally for a safe disconnection.
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Safety Pocket ISDN
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1.9 General Safety Instructions
Caution!
Moisture and liquids from the environment may seep into the
interior of the product!
Fire hazard and damage of the product.
The product must not be used in wet or damp environments, or
in the direct vicinity of water. Install the product at a dry location, protected from water spray. Disconnect the power supply
before you perform any work on a device which may have been
in contact with moisture.
Caution!
Short circuits and damage due to improper repairs and opening
of maintenance areas.
Fire hazard and damage of the product.
Only persons, which have the training or skills of an "Electronic
technician for industrial engineering", are authorised to open
and repair the product.
Caution!
Overcurrent of the device supply!
Fire hazard and damage of the product due to overcurrent.
The product must be secured with a suitable fuse against currents exceeding 1.6 A.
Caution!
Overvoltage and voltage peaks from the mains supply!
Fire hazard and damage of the product due to overvoltage.
Install suitable overvoltage protection.
Caution!
Damage due to chemicals!
Ketones and chlorinated hydrocarbons dissolve the plastic housing and damage the surface of the device.
Never let the device come into contact with ketones (e.g. acetone) or chlorinated hydrocarbons, such as dichloromethane.
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Pocket ISDN Scope of Delivery
11
2 Scope of Delivery
The scope of delivery for the Pocket ISDN includes all accessories listed below. Please
check if all accessories are included in the box. If a part is missing or damaged, please
contact your distributor.
Please keep the packaging material for a possible future transport or storage.
Pocket ISDN
Power supply unit 230 V AC to 5 V DC
Cable:
1 ISDN cable (S0 cable)
1 PC connecting cable 9/9-pin (RS232 cable)
Manual
CD-ROM (optional)
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General Information Pocket ISDN
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3 General Information
The Pocket ISDN is available in two versions. These are
Pocket ISDN Profi
Pocket ISDN Internet
Both versions of the Pocket ISDN differ in the following characteristics:
Pocket ISDN Internet Profi
CAPI interface Yes No
Multilink PPP Yes No
Security callback No Yes
X.25 No Yes
X.31 in D channel: No Yes
Table 1: Differences between Pocket ISDN Profi and Internet
Both versions are referred to as Pocket ISDN in the further course of this manual. If the
Pocket ISDN Profi differs from the Pocket ISDN Internet, this will be mentioned explicitly
in the respective sections.
Please note that you cannot use an ISDN device for digital data communi-
cation to establish a connection to an analogue modem.
3.1 Product Description
The Pocket ISDN connects a PC (or other device with a serial interface) to the ISDN network. It provides access to online services like Internet, AOL/CompuServe and T-Online.
Moreover, point-to-point connections between two ISDN data terminal devices or a connection to a GSM modem can be established. The Pocket ISDN can be considered as digital replacement for an analogue modem.
In order to operate the TA, you will need:
an ISDN basic rate interface (BRI) (replaces the analogue telephone connection). The
basic rate interface can be ordered with the telephone service provider.
a PC with serial RS232 interface (RS232)
The serial interface of the PC should be suitable for data rates of up to 115.2 kbps. It
might be possible that older PCs require an additional PC card for this.
It is possible to increase the data rates over the ISDN line to 230.4 kbps using Multilink
PPP with the Pocket ISDN Internet.
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Pocket ISDN General Information
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3.2 Internet Access
There are three methods for Internet access via ISDN:
with synchronous PPP or Multilink PPP (only with Pocket ISDN Internet)
with bit rate adaption V.120
with the B channel protocol X.75
It depends on the access devices of your Internet service provider (ISP) or point-ofpresence (POP), which protocol you can use.
Figure 1: Connection of the Pocket ISDN for access to an online service
3.3 AOL/CompuServe Access
The access to AOL/CompuServe via ISDN takes place using the V.120 or X.75 protocol (refer to Figure 1). The protocol depends on the access devices of your AOL/CompuServe
dial-in node. The most frequently used common protocol is X.75.
3.4 T-Online
The T-Online (German online service) access via ISDN takes place using the T.70NL / X.75
or the synchronous PPP protocol (refer to Figure 1).
3.5 LAN Remote Access
You have to select the respective protocol of the ISDN router at the LAN for a remote access to a LAN network.
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Technical Data Pocket ISDN
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4 Technical Data
4.1 Physical Features
All specified data was measured with nominal input voltage, at full load, and an ambient
temperature of 25 °C. The limit value tolerances are subject to the usual variations.
Physical Feature Value
Operating voltage 5 V DC
Power consumption approx. 140 mA
Weight 150 g
Dimensions (Width x Depth x Height) 71 mm x 128 mm x 22 mm
Temperature range 0°C – 55
Maximum permissible humidity 95 % non-condensing
Table 2: Physical Features
4.2 Technological Features
Technological Feature Description
Protection class Housing IP40
Power supply interface ISDN network, S0 (U.430 Euro ISDN DSS1)
Transmission standards B channel
(Pocket ISDN Internet)
V.110, X.75, V.120, ML-PPP, HDLC (PPP)
Transmission standards D channel
(Pocket ISDN Internet)
DSS1
Transmission standards B channel
(Pocket ISDN Profi)
V.110, X.75, V.120, x.25/X.31, HDLC (PPP),
T70NL, T90NL
Transmission standards D channel
(Pocket ISDN Profi)
DSS1, 1TR6, VNx
Transmission speed 64 kbps, 128 kbps with channel bundling
(only Pocket ISDN Internet)
Table 3: Technological Features
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Pocket ISDN Technical Data
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4.3 Certifications
The Pocket ISDN has the following license number for the connection to the PSTN: CE0682 for Europe (EC), Switzerland and Norway. The Pocket ISDN is conform to the European safety requirements IEC 60 950.
The Pocket ISDN has been developed in compliance with the following guidelines and
standards:
R&TTE 1999/5/EG
DIN EN 55022 Class B
DIN EN 61000-6-2
DIN EN 60950-1
CTR3
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Connections and LEDs Pocket ISDN
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5 Connections and LEDs
5.1 Front Panel
L1L2B1 R DCD
B2 T DTR
Pocket
ISDN
Figure 2: LEDs on the front panel
Description Col-
our
LED off LED on
L1 green Displays the state of the Pocket ISDN in encoded form
L2 yellow Displays the state of the Pocket ISDN in encoded form
B1 yellow B channel 1 offline B channel 1 online
B2 yellow B channel 2 offline B channel 2 online
R red No data is received Data is received
T red No data is sent Data is sent
DCD red No connection established Connection to remote terminal is es-
tablished
DTR red DTR line not activated DTR line activated
Table 4: Description of the LEDs on the front panel
The two LEDs L1 and L2 display the state of the Pocket ISDN according to following table
in encoded form.
L1 L2 Status Action
on blinking Start-up process Wait for start-up process
blinking off ISDN error Check ISDN interface/connector
on off active ISDN OK, no ISDN connection established
on flashing Call ISDN connection is being established
on briefly
off
Sync active Waiting for B channel synchronisation
on on Connection Data connection is established
off off TA error Hardware error, TA repair necessary
off blinking TA error Hardware error, TA repair necessary
flashing flashing Bootloader active No working firmware; update firmware
Table 5: Device status encoding by LED L1 and L2
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Pocket ISDN Connections and LEDs
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5.2 Rear panel
RS232
DC
ISDN
Figure 3: Connections on the rear panel of the device
Description Colour
DC Power supply (only the delivered power supply unit must be used)
ISDN ISDN interface (S0 interface)
RS232 Serial interface
Table 6: Description of the connections on the rear panel of the device
5.3 Pin Assignment of the Serial Interface
Figure 4: 9-pin Sub-D socket at the device
Pin Signal Description
1 DCD Data Carrier Detect
2 RXD Receive Data
3
TXD Transmit Data
4 DTR Data Terminal Ready
5 GND Ground
6 DSR Data Set Ready
7 RTS Request To Send
8 CTS Clear To Send
9 RI Ring Indication
Table 7: Description of the pin allocation of the Sub-D socket
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Connections and LEDs Pocket ISDN
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5.4 Pin Assignment of the S0 Interface
Figure 5: 8-pin Western connector (front view)
Pin Signal Description
1 - Not connected
2 - Not connected
3
a2 Tx + (Transmit +)
4 a1 Rx + (Receive +)
5 b1 Rx - (Receive -)
6 b2 Tx - (Transmit -)
7 - Not connected
8 - Not connected
Table 8: Description of the pin allocation of the RJ45 connector
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Pocket ISDN Function Overview
19
6 Function Overview
The Pocket ISDN provides you with the following functions:
Operation at ISDN point-to-point and multipoint interface
The Pocket ISDN can be operated at ISDN point-to-point interfaces as well
as at multipoint interfaces.
Different transfer protocols
The Pocket ISDN supports different transfer protocols, like e.g. X.75, V.110
and HDLC (for PPP connections).
Data buffering for serial transmission
The Pocket ISDN provides send and receive buffers to adjust the Pocket
ISDN to the data processing speed of the application.
Hardware and software data flow control
The Pocket ISDN can interrupt the data flow of the application via the con-
trol lines of the serial interface, if the buffers of the Pocket ISDN exceed a
certain level. An application can also prompt the Pocket ISDN via a control
line to interrupt the data flow. As an alternative, the Pocket ISDN can control the data flow via XOFF/XON characters in the data stream.
Selective Call Acceptance
The Pocket ISDN can be set to accept only calls from phone numbers that
were previously stored.
Security Callback (only Pocket ISDN Profi)
The called Pocket ISDN can initiate an automatic call to a predefined num-
ber, if a specified caller could be identified using CLIP.
Automatic call
The Pocket ISDN can initiate an automatic call either depending on the
DTR signal or independent of a status line.
Remote configuration
The Pocket ISDN can be configured remotely using another INSYS ISDN de-
vice and a terminal program.
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Meaning of the Symbols and the Formatting in this
Pocket ISDN
20
7 Meaning of the Symbols and the Formatting in this
Manual
This section describes the definition, formatting and symbols used in this manual. The
various symbols are meant to help you read and find the information relevant to you.
The following text is structured like a typical operating instruction of this manual.
Bold print: This will tell you what the following steps will result in
After that, there will be a detailed explanation why you could perform the
following steps to be able to reach the objective indicated first. You can decide whether the section is relevant for you or not.
An arrow will indicate prerequisites which must be fulfilled to be able to
process the subsequent steps in a meaningful way. You will also learn
which software or which equipment you will need.
1. One individual action step: This tells you what you need to do at this point.
The steps are numbered for better orientation.
A result which you will receive after performing a step will be marked with
a check mark. At this point, you can check if the previous steps were successful.
Additional information which you should consider are marked with a cir-
cled "i". At this point, we will indicate possible error sources and tell you
how to avoid them.
Alternative results and steps are marked with an arrow. This will tell you how
to reach the same results performing different steps, or what you could do if
you didn't reach the expected results at this point.
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Pocket ISDN Initial Operation
21
8 Initial Operation
This section describes how to commission the Pocket ISDN, i.e. connect the Pocket
ISDN to a PC, connect it via an NTBA to the ISDN network and test it.
Connecting the Pocket ISDN to a PC
How to connect the Pocket ISDN to a PC via the serial interface.
You will need the 9-pin serial cable.
You will need a free serial interface at the PC.
Use preferably serial interfaces which are actually at the PC as "real" hard-
ware. Virtual serial interfaces or USB-to-Serial solutions may cause problems.
1. Connect the 9-pin serial cable with the Pocket ISDN and tighten the screws of
the connector.
2. Connect the 9-pin serial cable to a free serial interface of your PC.
Connecting the Pocket ISDN to the ISDN network
You will need the enclosed ISDN phone cable
You will need an NTBA, which is connected to the ISDN network or a PABX
with S0 bus.
1. Plug one RJ connector of the cable into the RJ phone socket at the Pocket
ISDN.
2. Plug the other RJ connector of the cable into the S0 socket of your NTBA or
PABX.
Connecting the Pocket ISDN to the power supply
How to connect the Pocket ISDN to the power supply.
You will need the enclosed power supply unit.
1. Plug the power supply connector of the enclosed power supply unit into the
Pocket ISDN and the power supply unit into the power outlet.
Install the Pocket ISDN driver for Windows XP
How to install the Pocket ISDN driver.
You will need the enclosed CD.
You will need a Pocket ISDN, which is connected to the PC, the ISDN net-
work and the power supply.
1. Start your PC, which is connected to the Pocket ISDN.
Page 22
Initial Operation Pocket ISDN
22
The Pocket ISDN is detected by the operating system and the hardware in-
stallation wizard starts.
2. Follow the instructions of the installation wizard.
If the installation wizard is not able to locate the required drivers, unpack the
driver, which is located on the CD in the driver section, and install it manually. Please note that the drivers for the Pocket ISDN Internet and Profi are
different.
The Pocket ISDN driver for Windows XP is installed now.
Testing the Pocket ISDN
The Pocket ISDN is connected to the PC.
The power supply of the Pocket ISDN is present.
A terminal program, e.g. Teraterm, is installed on the PC.
1. Open your terminal program.
2. Open the serial interface, to which the Pocket ISDN is connected.
3. Enter AT into your terminal program.
The response will be OK.
If you don't receive the response OK, check the connection and if the Pocket
ISDN receives power. Repeat the test.
The R/T LEDs are illuminated as long as you are entering.
If the R/T LEDs at Pocket ISDN do not illuminate as long as you enter AT and
receive an OK, it might be that you are connected to a different modem
(e.g. with the internal modem of the laptop or PC).
In this case, check to which interface your Pocket ISDN is actually connected and repeat the test.
The Pocket ISDN is installed successfully and ready for configuration.
Page 23
Pocket ISDN Operating Principle
23
9 Operating Principle
This section describes the basic procedures to operate and configure a Pocket ISDN.
You can operate and configure the Pocket ISDN using AT commands. You can enter these
commands yourself with the help of a terminal program and the AT command reference.
9.1 Operation with the Terminal Program
In general, any terminal program can be used. We recommend the program Teraterm from T.Teranishi. It is available free of cost on the Internet at
http://hp.vector.co.jp/authors/VA002416/teraterm.html.
Configuring and operating the Pocket ISDN with a terminal program
How to configure and operate the Pocket ISDN using a terminal program.
The Pocket ISDN is connected to the PC and switched on.
A terminal program is installed on the PC.
1. Start your terminal program.
2. Select the serial port, to which your Pocket ISDN is connected.
COM1 under Windows corresponds to /dev/ttyS0 under Linux.
3. Type the character string AT into the terminal program. Complete the entry
by pressing the Enter key.
Each command input starts with AT and is completed with the Enter key.
The Pocket ISDN replies with OK.
If the Pocket ISDN does not respond, this may have two probable reasons:
a) the Pocket ISDN is switched off or
b) the Pocket ISDN is connected to a different serial port. Check it and repeat
step 3.
4. Configure the Pocket ISDN using AT commands.
A reference of the AT commands can be found in the AT Command Refer-
ence section.
5. Save your entries with AT&W.
Not all configurations at the Pocket ISDN need to be saved actively by en-
tering AT&W. Some settings are automatically saved immediately. We still
recommend sending the command AT&W to the Pocket ISDN as your last
configuration step to ensure that all settings are stored safely and are
available for the next restart.
Page 24
Functions Pocket ISDN
24
10 Functions
10.1 Establishing or Accepting a Data Connection
The Pocket ISDN can call another ISDN TA (ISDN Terminal Adapter) via the phone line and
establish a data connection. After dialling a phone number, the Pocket ISDN synchronises
with the called TA and opens a data connection. All incoming characters are transmitted
to the other (called) TA during the active data connection. Therefore, AT commands are
not processed during a connection. The Pocket ISDN must be changed to command mode
again using an "Escape sequence" that it processes AT commands again during an active
connection. Then, the local Pocket ISDN processes the entered characters as AT commands and does not transmit them to the remote terminal.
The Pocket ISDN can accept an incoming connection in the same way. For this, the "application" or the PC with the terminal program must support the hardware data flow control at the serial interface, otherwise, the Pocket ISDN does not accept the incoming connection. In this case, the hardware data flow control must be disabled in the Pocket ISDN
that a connection is accepted regardless of the status of the application. The Pocket ISDN
answers after the configured number of ring tones and opens a connection.
This hardware data flow control is activated by default.
Configuration with AT commands
In order to establish a data connection with the Pocket ISDN, use the
command
Replace <number> with the phone
number of the remote terminal.
ATD<number>
In order to configure the data connection protocol, use the command
Refer to the AT command reference
for protocol details.
ATB
In order to configure the data connection protocol, use the alternative
command
Refer to the AT command reference
for protocol details.
AT**PROT
If the remote terminal accepts the
connection, the Pocket ISDN indicates
CONNECT
If the remote terminal is busy, the
Pocket ISDN indicates
BUSY
Page 25
Pocket ISDN Functions
25
If no connection can be established,
the Pocket ISDN indicates
NO CARRIER
if the Pocket ISDN cannot start a dialup procedure, it indicates
NO DIALTONE
In order to change to command mode
during a data connection, use the escape sequence
No data must be transmitted for 1
second before and after that the
Pocket ISDN changes to command
mode.
+++
In order to change from command
mode to normal data transmission
again, use the command
ATO
In order to accept an incoming connection, use the command
ATA
In order to configure the number of
ring tones after which the Pocket
ISDN answers and accepts the connection, use the command
Replace <n> with the number of ring
tones.
ATS0=<n>
In order to terminate a connection
and cause the Pocket ISDN to hang
up, use the command
ATH
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10.2 Automatic call
The automatic call allows to initiate a call to a phone number previously stored in the
Pocket ISDN. There are three possibilities for initiating a call.
The call may be initiated by the DTR line of the serial interface or incoming data at the
serial interface. Additionally, the Pocket ISDN can try to call a number immediately after
switching it on.
The phone number for the automatic call is taken from the dialling table "catab". If a
connection could not be established successfully, the Pocket ISDN dials the next number
from the dialling list. If none of the target phone numbers from the dialling list could be
reached, the Pocket ISDN initiates an automatic redial. You can change the maximum
number of attempts as well as the duration of the pause until the next call.
10.2.1 Configuring an Automatic Call
In order to configure an automatic call, change to the Configurator mode of the Pocket
ISDN and enter the target phone number first, then select the trigger for the connection
establishment and set the reset timer. The reset timer determines the time from the reset of the Pocket ISDN until the change to the "automatic call" mode. If an automatic call
is enabled, you have the possibility to send AT commands to the Pocket ISDN during this
time. The Pocket ISDN does not accept AT commands anymore after you have configured
and enabled the automatic call. The reason for this is that incoming data are immediately transmitted to the called remote terminal. An established connection is indicated
by the Pocket ISDN by the "OH" LED and "DCD" LED on the housing front.
The automatic call is disabled in default setting . The dialling table "catab" is empty.
Configuration with AT commands
To start the TA+Configurator, use the command
ATCONF
To configure or overwrite the target phone
number(s) of the remote terminal, use the
command
Replace <n> with values from 1 to 10 (3 for FW
< 1.027).
catab<n>=<phoneno>
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In order to initiate an automatic call, use the
command
The parameter <n> defines the event, that
triggers the connection establishment.
Replace <n> with the value
- "6" for a connection establishment if the control line DTR is active;
- "7" for a connection establishment if data are
received at the serial interface;
- "8" for a connection establishment independent of a control line;
cmds=<n>
In order to disable the automatic call, use the
command
cmds=0
in order to determine a baud rate at the serial
interface, which is set during the automatic
call, use the command
The automatic baud rate detection is disabled
during the automatic call.
br=<n>
In order to view the configurable baud rates,
use the command
br?
In order to configure the reset timer, use the
command
Set the reset timer to a value of at least
4 seconds. For this, replace "n" with a value in
tenths of a second (e.g. 4 seconds is n=40).
rsttim=<n>
Save the settings with the command
save
In order to exit the TA+Configurator and en-
able the function of the automatic call, use the
command
go
Further optional settings:
Termination of the call after n seconds of an
unsuccessful call. n = 3..255
(default: 15).
cato=<n>
Dialling pause of n seconds before the next
call attempt. n = 0..255
(default: 3, n=0 no call attempt).
capa=<n>
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Maximum number of attempts for each number entry in catab. n = 1..255; (default: 1)
catry=<n>
In order to configure an idle time, after which
the connection is terminated, if no data are
transmitted, use the command
Replace <n> with a value in seconds. Select
n=0 to disable this function.
idle=<n>
In order to delete a target phone number, use
the command
catab<n>=-
Save the settings with the command
save
In order to exit the TA+Configurator and en-
able the function of the automatic call, use the
command
go
10.2.2 Disabling an Automatic Call
If the function "automatic call" is enabled, the Pocket ISDN does not accept AT commands anymore. To be able to configure the Pocket ISDN again, you must disable the
function.
To change the Pocket ISDN to configuration mode with enabled function "automatic
call"
The function "automatic call" is active.
Your terminal program is connected to the Pocket ISDN.
The speed of the serial interface is configured to 9600 bps.
1. Perform a reset of the Pocket ISDN.
2. The terminal program displays the message
"+++ press <CR>, <CR>, <ESC>,<ESC> to enter TA+Configurator +++".
This message does not appear if it is disabled using the command
AT**RSTMSG=0.
3. Quickly double-press the "Enter" key and the "ESC" key.
You are in the TA+Configurator and can configure the Pocket ISDN with the
dedicated TA+Configurator commands again.
4. Enter cmds=0 to disable the "automatic call" function.
5. Save the settings (if desired) with the command save.
6. Exit the remote configuration with the command go.
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10.3 Data flow control
The data flow control ensures that the data transfer is interrupted as soon as the buffer
of the Pocket ISDN exceeds a certain level. There are two possibilities for data flow control: via the control lines RTS and CTS, or via the control characters XON/XOFF which are
inserted into the data stream.
10.3.1 Hardware Data Flow Control (RTS/CTS)
The hardware data flow control works in two directions. When the critical buffer level is
exceeded, the Pocket ISDN will set the CTS line to "low" and will thus indicate to the application to interrupt the data flow. When the buffer is emptied sufficiently for the Pocket ISDN to be able to receive data again, the CTS line is set to "high". Reversely, the application can also indicate to the Pocket ISDN to interrupt the data flow. This is done via
the RTS line. If it is set to "low", the Pocket ISDN will interrupt the data flow to the application. The application will set it to "high" to request data from the Pocket ISDN.
Data flow control is set to hardware as default setting.
Configuration with AT commands
Enable hardware data flow control (RTS/CTS)
with the command
AT&K=3
Disable data flow control with the command
AT&K=0
10.3.2 Software Data Flow Control with XON/XOFF
When the input buffer of the Pocket ISDN exceeds a certain fill state, the Pocket ISDN will
insert an XOFF character into the data stream to the application. This character will cause the application to send no more data. It depends on the according application software if the XON/XOFF data flow control is supported.
After the input buffer of the Pocket ISDN is emptied sufficiently that data can be received
again, the Pocket ISDN will send an XON character to the application. This character will
cause the application to send data to the Pocket ISDN again. Analogously, the application
can insert XON/XOFF characters into the data stream to switch the data flow on and off.
The XON/XOFF data flow control is only available when the transmitted data do not contain the characters XON or XOFF, which usually appear only in actual ASCII texts (7 bit).
When binary data (programs, etc.) are transmitted, or in the XMODEM transmission protocol, for example, occasionally appearing XON or XOFF characters would disturb the
operation.
Configuration with AT commands
Enable the software data flow control
XON/XOFF with the command
AT&K=4
Disable data flow control with the command
AT&K=0
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10.4 Remote Configuration
You can configure the Pocket ISDN with another ISDN TA from remote. You can configure
a password, authorised callers as well as a remote configuration number to restrict access. The configuration is performed via the TA+Configurator. This is automatically
started after the connection establishment for remote configuration.
The remote configuration is active as default. No password is entered and all callers are
authorised.
10.4.1 Remotely Configuring the Pocket ISDN
The following describes the commands for the remote configuration of an
Pocket ISDN using a second Pocket ISDN:
Your terminal program is connected to the local Pocket ISDN.
1. Configure the B channel protocol X.75 at the local Pocket ISDN using the
command ATB10.
2. Establish an ISDN connection to the "Remote TA" using the AT dialling com-
mand. Use the command ATD<phonenumber>e.
The extension "e" at the end of the phone number establishes an internal
control connection to the remote TA
The "Remote TA" replies with a password request.
password:
3. Enter the correct password.
If the Pocket ISDN has been reset to factory settings: enter no password, just
press Enter.
Each line starts with a "#" character during remote configuration. Use the
TA+Configurator commands (refer to table TA+Configurator commands).
In order to read out the settings for example, use the command showall.
4. Configure the Pocket ISDN, which is to be remotely configured, now.
5. Save the settings (if desired) with the command save.
6. Exit the remote configuration with the command go.
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10.4.2 Configuring the Remote Configuration Number
You can assign an own, dedicated phone number for the Pocket ISDN for remote configuration access.
The phone number of the caller is not requested in default setting .
Configuration with AT commands
In order to determine a separate remote con-
figuration number, use the command
AT**rmsn=<phonenumber>
10.4.3 Configuring the Remote Configuration Password
You can enter a password at the Pocket ISDN to increase the safety of the remote configuration.
No password is entered in default setting.
Configuration with AT commands
In order to define a password, use the com-
mand
AT**rpwd=<password>
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10.4.4 Configuring the Permitted Callers for Remote Configuration
You can create a list with up to 3 or 10 (depending on firmware) phone numbers, which
are permitted as caller numbers for remote configuration of the Pocket ISDN. The Pocket
ISDN ignores each incoming call with a phone number, which does not match with one
of the entries of the list. The Pocket ISDN compares the number of the caller with each
entry of the list for this. The comparison starts with the last digit of the phone number. It
will be compared until an entry matches a caller number. If a table entry contains only an
asterisk "*", each incoming call is accepted. If the table is empty, the Pocket ISDN accepts
each caller for remote configuration.
The list is empty as default setting.
Configuration with AT commands
In order to output the phone number of a
caller together with the RING message in the
terminal window, use the command
ATV2
In order to define the permitted caller for remote configuration, enter the phone number
of the permitted callers in the table racctab.
<n> is the number of the table entry and can
take on the values 1 to 3 or 10 (depending on
firmware).
<callno> is the transmitted phone number of
the permitted caller.
The maximum length of the phone number is
20 digits.
* : is a wildcard for one or more digits.
AT**racctab<n>=<callno
>
only the entered number is accepted
AT**racctab1=089123456
all numbers starting with "089123" are accepted
AT**racctab1=*89123*
all numbers ending with "1234" are accepted
AT**racctab1=*1234
all incoming calls are accepted, without subaddress
AT**racctab1=*
In order to query the table, use the command
AT**racctab
In order to delete an entry, use the command
AT**racctab<n>=-
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10.5 Connection Configuration of the Pocket ISDN at the ISDN
Basic Access
10.5.1 Configuration at Multipoint Interface (PMP, Point-to-Multipoint)
In order to operate the Pocket ISDN at a multipoint interface, you must configure it accordingly and configure an own phone number (MSN). The MSN is always configured
without area code. When operating at a PABX, you must only enter the extension number.
The operation at a multipoint interface is configured and "*" is entered as phone number
in the default setting.
Configuration with AT commands
To configure the multipoint interface connection type use the command
AT**PTP=0
To set the phone number (MSN) use the command
AT**MSN=<N>
To save the settings use the command
AT&W
10.5.2 Configuration at Point-to-Point Interface (PTP, Point-to-Point)
You can operate the Pocket ISDN at a point-to-point interface. A point-to-point interface
is a special ISDN access, which allows that devices behind the access are accessible from
outside with dedicated extension numbers.
In order to operate the Pocket ISDN at a point-to-point interface, you must configure the
"Point to point" type of connection.
This is not valid for the operation at an ISDN PABX. For this, proceed as de-
scribed under Configuration at Multipoint Interface (PMP, Point-toMultipoint).
Configuration with AT commands
To configure the point-to-point interface connection type use the command
AT**PTP=1
To set the phone number (MSN) use the command
AT**MSN=<N>
To configure the TEI (is assigned by the phone
provider) use the command
AT**TEI=<N>
To save the settings use the command
AT&W
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10.6 Security Callback (only Pocket ISDN Profi)
The security callback function enables the called Pocket ISDN to perform an automatic
call back to a configured number. If an ISDN device tries to establish a data connection to
a remote Pocket ISDN, the called Pocket ISDN compares the phone number of the calling
party with the entries of its "Access table". If the phone number matches with an entry,
the number, which is in the entry of the callback number, will be called back after the
callback time has expired. Otherwise, the call will be rejected. The Pocket ISDN performs
only one callback attempt.
Security callback is disabled in default setting.
Configuration with AT commands
In order to enable security callback, use the
command
AT**CMDS2=40
Enter the phone number, which is to be dialled
by the Pocket ISDN when calling back, using
the command
(Enter the prefix for accessing an outside line
when operating at a PABX.)
AT**CASNR=<number>
In order to enter the phone numbers for authentication into the access table, use the
command
<n> = memory location in the table (from 1 to
5 or 10 (depending on firmware))
<number> = phone number of the caller
e.g. for location 1 with number 0941249413
AT**ACCTAB<n>=<callno>
AT**ACCTAB1=0941249413
In order to read out the table, use the command
AT**ACCTAB
In order to delete a phone number from the
table, use the command
<n> = memory location in the table (from 1 to
5 or 10 (depending on firmware))
AT**ACCTAB<n>=-
In order to configure the callback time (pause
between call and callback), use the command
<n> is the time in seconds
AT**CAPA=<n>
In order to save the settings, use the command
AT&W
In order to disable security callback, use the
command
AT**CMDS2=0
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10.7 Selective Call Acceptance
The Pocket ISDN can be set to accept only calls from phone numbers that were previously
stored. The following commands allow to create a table with up to 5 or 10 (depending on
firmware) numbers.
The Pocket ISDN ignores each incoming call, which does not comply with one of the table
entries. The Pocket ISDN compares the number of the caller with each entry of the list.
The comparison starts with the last digit of the number until an entry complies with. If
an entry of the table is configured to asterisk (*), the Pocket ISDN accepts every incoming
call.
The list is empty as default setting.
Configuration with AT commands
In order to use the selective call acceptance
and define the phone numbers of the permitted callers in the table acctab, use the com-
mand
Replace <n> with the number of the table entry here (1 - 5 or 10 (depending on firmware)).
<callno> is the transmitted phone number of
the permitted caller. The maximum length of
the phone number is 20 digits. Use the asterisk
"*" within the phone number as wildcard. This
is used to replace one or more digits in the
phone number to permit several similar pone
numbers.
AT**acctab<n>=<callno>
Example: only the entered number is accepted
AT**acctab1=0891234567
Example: The Pocket ISDN accepts all numbers
starting with 089123
AT**acctab1=089123*
Example: The Pocket ISDN accepts all numbers
ending with 1234
AT**acctab1=*1234
Example: The Pocket ISDN accepts all incoming calls
AT**acctab1=*
To query the table use the command
AT**acctab
To delete an entry use the command
AT**acctab<n>=-
In order to output the phone number of a
caller with the RING message, use the com-
mand
ATV2
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10.8 TA+Configurator
The Pocket ISDN has a further command set, the so-called "TA+Configurator", besides the
AT command set. This special command set is used in a terminal program after changing
to the "TA+Configurator" besides the AT commands. The commands of the
TA+Configurator can also be entered directly by adding the prefix AT** without having to
change to the special TA+Configurator command set. The TA+Configurator is especially
used for some functions of the Pocket ISDN, for example during remote configuration. A
list of the command can be found in the section "TA+Configurator Commands". The entry
is not case-sensitive.
The TA+Configurator is not active by default when operating via a terminal program.
Configuration with AT commands
In order to use the TA+Configurator, use the
command
ATCONF
In order to display available parameters of a
TA+Configurator commands, use the syntax
Replace <command> with a TA+Configurator
command.
<command>?
Example for a TA+Configurator command to
change the ISDN protocol to X.75
Prot=10
Example for a prefixed TA+Configurator command to configure the ISDN protocol to X.75
via a TA+Configurator command
AT**prot=10
Example for a "usual" AT command to configure the ISDN protocol to X.75
ATB10
In order to exit the TA+Configurator, use the
TA+Configurator command
go
In order to exit the TA+Configurator, use al-
ternatively the TA+Configurator command
quit
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10.9 Configuring the Transfer Protocol
The information transfer in the ISDN B channel is performed via dedicated protocols. The
Pocket ISDN supports different ISDN protocols, which can be used for specific applications. The following table lists all protocols supported by the Pocket ISDN with application examples.
The X.75 protocol is enabled in default setting.
ATB Protocol Usage
0 V.110 asynchronous For connections to the GSM network (CSD data connec-
tion).
The bit rate (300 to 38.400 bps) must be identical at both
communication partners.
3 HDLC async to sync
conversion (PPP asynchronous)
For remote data transmission connections or connections to an internet provider.
4 HDLC transparent
(octets are packed
into HDLC frames)
Control protocol for point-to-point data transmission.
Usually connection with X.75 for data protection used.
HDLC uses no control characters. The usage of "frames"
and "windows" during transmission allows to detect errors and repeat the partial transmission, if required.
5 Byte transparent
voice connection (raw
B channel data)
Byte-by-byte transmission without protocol.
6 Byte transparent data
connection (raw B
channel data)
Protocol for byte-transparent data transmission.
10 X.75 SLP Standard protocol for data transmission in packet-
switched networks in ISDN with transfer rate up to 64
kbit/s. Takes over the same tasks like V.42 for modem
connections in principle. The size of the data blocks on
level 2 (Datalength, Framesize, Blocksize) and the maximum number of blocks to be sent (Windowsize) can be
configured.
13 V.120 asynchronous This protocol is adjusted to V.110.
20 X.31 B channel (X.25
B channel)
Protocol for data transfer in packet switched networks
like Datex-P of Deutschen Telekom (not Pocket ISDN
Internet).
21 X.31 D channel X.31 is an international manufacturer-independent ITU
standard for connecting ISDN systems to X.25 networks.
Packet-mode terminals are supported by ISDN using X.31
(not Pocket ISDN Internet).
31 MLPPP For channel bundling; provides a higher transmission
rate of up to 128 kb/s (not Pocket ISDN Profi).
Table 9: Supported ISDN protocols with usage
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Configuration with AT commands
To select the protocol, enter a value from the
"AT-<n>" column of Table 9 for the parameter
<n>.
ATB<n>
In order to set the V.110 asynchronous protocol use the command
ATB0
In order to set the HDLC transparent protocol
use the command
ATB4
10.10 Outputting CLIP of Incoming Calls
The Pocket ISDN can output the phone number of incoming calls via its serial interface
using CLIP (Calling Line Identification Presentation). This function can be used for example to acknowledge messages, which are sent to a mobile phone by an application via the
Pocket ISDN. The CLIP of the caller is output in the format [xxxxxxxx].
Configuration with AT commands
In order to display the phone number vie CLIP
using the extended responses, use the command
ATW1
In order to define, which type of incoming calls
are to be indicated use the command
AT#C2
In order to indicate all calls, use the command
AT#C2=00000001
In order to output the number of the last
caller, use the command
AT#O
In order to indicate only analogue calls for ex-
ample, use the command
AT#C2=00030012
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10.11 User-to-User-Signalling (UUS1)
The transmission of User-to-User data (UUS1-data) can be performed for incoming and
outgoing calls using the additional ISDN service UUS1. The UUS1 data are sent transparently from the calling side to the called side before the B channel connection is established completely.
Please note that this ISDN service has to be enabled by the ISDN service provider usually.
It might be possible that additional fees incur.
Configuration with AT commands
In order to enable the display of the UUS1
data, use the command
ATW1
In order to transmit UUS1 data to the called
remote terminal, use the command
Replace <number> with the phone number of
the remote terminal.
Replace <UUS1-data> with the data to be
transmitted. The UUS1 data has a maximum
length of 128 bytes and is interpreted as ASCII
characters.
ATD<number>//<UUS1data>
Incoming UUS1 data are displayed as exten-
sions of the messages RING and CONNECT
RING <number>//<UUS1-
data>
CONNECT <num-
ber>//<UUS1-data>
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10.12 Sub-Addressing
The transmission of a sub-address can be supported for incoming and outgoing calls using the additional ISDN service SUB. The sub-address is sent transparently from the calling side to the called side before the B channel connection is established completely.
Please note that this ISDN service has to be enabled by the ISDN service provider usually.
It might be possible that additional fees incur.
The sub-address is separated from the phone number using a "/".
The sub-addressing function can be used with the dialling procedures of the AT command set, PAD x.3 and automatic call.
The own sub-address (calling sub-address) can be configured with the TA+Configurator
command sub. The sub-address can be entered as supplement into all tables, which contain an ISDN number for dialling or checking .
Configuration with AT commands
In order to transmit a sub-address to the called
remote terminal, use the command
Replace <number> with the phone number of
the remote terminal.
Replace <subaddress> with the sub-address
to be transmitted.
ATD<number>/<subaddres
s>
Incoming sub-addresses are displayed as ex-
tensions of the messages RING and CONNECT
RING <num-
ber>//<subaddress>
CONNECT <num-
ber>//<subaddress>
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10.13 Using Multilink PPP (only Pocket ISDN Internet)
A connection with different detection procedures can be established at the Pocket ISDN
Internet using the Multilink PPP protocol. One of them is CHAP. If CHAP is not supported
by the server, an automatic fallback to PAP is made.
Configuration with AT commands
In order to configure the Multilink PPP protocol at the Pocket ISDN, use the command
ATB31
In order to enter the CHAP password, use the
command
AT**CHAPPPWD=<password
>
Save the entry with the command
AT&W
In order to checkthe settings, use the com-
mand
The password is displayed in clear text and
also visible for unauthorised persons there-
fore.
AT&V1
10.14 Details about Multilink PPP (only Pocket ISDN Internet)
The following authentication protocols (AP) are supported by the Pocket ISDN Internet
with Multilink PPP (ML PPP) at the moment:
Password Authentication Protocol (PAP)
Challenge Handshake Authentication Protocol (CHAP) with variants
MD5 according RFC 1321
Microsoft CHAP according RFC 2433
PAP exchanges the password in clear text format in the B channel, while CHAP encrypts
the password according to the algorithms as described in above mentioned RFCs. For
CHAP, the password must be stored in the Pocket ISDN Internet in addition to the settings in Dial-Up Networking under Windows 95. This is not necessary under Windows
98/ME/2000/XP.
The following basic rules are valid if the Pocket ISDN Internet is configured for ML-PPP:
If the remote side (in the connection control protocol LCP ConfigRequest) re-
quests an AP, which can be handled by the Pocket ISDN Internet, the request
will be forwarded to the local side.
If the remote side requests an AP, which cannot be handled by the Pocket ISDN
Internet, the Pocket ISDN Internet suggests the safest protocol depending on
the preconditions:
- PAP, if no password "chappwd" is stored locally
- CHAP/MS-CHAP MD5, if a password "chappwd" is stored locally
This step can be repeated with a certain number of attempts. Then, the Pocket
ISDN Internet falls back to single link operation until the next connection attempt.
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As soon as the local side (with an LCP ConfigNak) refuses an AP, which has been
suggested by the Pocket ISDN Internet alternatively (refer to previous rules), the
Pocket ISDN Internet falls back to single link operation until the next connection
attempt. Local and remote side negotiate any AP.
The negotiated AP is cehecked at the end of the connection setup procedure
and, if supported, also used for the second connection. If the last AP is not supported, the second connection will not be established. The Pocket ISDN Internet
falls back to single link operation until the next connection attempt.
Please note that some hosts are very stringent. If, for example, PAP is suggested by the
Pocket ISDN because no "chappwd" password is present, the connection is simply terminated without the chance to negotiate any other protocol. In these cases, the Pocket
ISDN Internet should be configured for single link PPP operation or the "chappwd" password should be stored in the Pocket ISDN Internet.
10.15 Call Bumping (only Pocket ISDN Internet)
An ML PPP connection uses both B channels of the S0 bus. In order to answer an incoming call (i.e. a voice connection) during an ML PPP session, a B channel must be released.
This is called call bumping.
In order to allow call bumping, proceed as follows:
Enable the call waiting function in the S0 bus. It must be enabled in ISDN and is
a service feature of your ISDN connection.
Open the "Properties" of your dial-up connection, which you use for ML PPP. En-
ter the command AT**CMLP=1 as additional parameter.
In case of a call during an ML PPP connection, the Pocket ISDN Internet releases a B channel and an ISDN phone connected to the S0 bus can answer the call.
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10.16 Bandwidth on Demand (BOD) (only Pocket ISDN Internet)
Selecting this function causes the Pocket ISDN Internet to use Multilink PPP automatically to increase the ISDN data rate using the second B channel:
If the data rate of the Internet connection exceeds a certain defined value, a se-
cond B channel connection is established and used for data communication automatically.
If the data rate of the Internet connection falls below a certain defined value,
the second B channel connection will be terminated automatically.
Configuration with AT commands
In order to disable BOD (default), use the
command
ATB**BOD=0
In order to enable BOD, use the command
ATB**BOD=1
In order to define the data rate level for establishing the second B channel connection, use
the command
Replace <incrValue> with the data rate
level in kbit/s (default: 40).
ATB**BODIV=<incrValue>
In order to specify the duration for which the
data rate level must be exceeded to add the
second B channel connection, use the command
Replace <incrTime> with the duration in
seconds (default: 30).
ATB**BODIT=<incrTime>
In order to define the data rate level for terminating the second B channel connection, use
the command
Replace <decrValue> with the data rate
level in kbit/s (default: 40).
ATB**BODDV=<decrValue>
In order to specify the duration for which the
data rate level must be fallen below to disable
the second B channel connection, use the
command
Replace <decrTime> with the duration in
seconds (default: 30).
ATB**BODDT=<decrTime>
Call bumping has higher priority than bandwidth on demand.
Page 44
Functions Pocket ISDN
44
10.17 Resetting the Device
The Pocket ISDN can be reset (restarted) in several ways: By briefly disconnecting the
power supply and using an AT command. Resetting the Pocket ISDN to default factory
settings is performed using an AT command.
Configuration with AT commands
In order to restart the Pocket ISDN, use the
command
AT**RESET
In order to reset the standard parameters of
the Pocket ISDN to default settings, use the
command
AT&F
In order to reset the standard parameters and
additionally the ISDN parameters of the
Pocket ISDN to default settings, use the command
AT&F1
In order to save the default settings, use the
command
AT&W
Page 45
Pocket ISDN ISDN Error Messages
45
11 ISDN Error Messages
The exact failure cause is recorded in the protocol memory of the Pocket ISDN in case of
a faulty connection establishment. Possible error messages are described here; a complete list of the possible error messages can be found in the subsequent table (refer to
section 11.1).
Protocol error layer 1 (error code 3301)
There is no physical connection to the ISDN network. Check the cable confection between the ISDN adapter and the ISDN port. Are you using a suitable cable? Is the connection socket properly installed? Is the ISDN network terminator correctly activated? Do
you have other devices on your ISDN line that are maybe faulty or that are blocking the
S0 bus?
Protocol error layer 2, e.g. DTE address not valid, TEI not valid (error code 3302)
Could not connect to the ISDN network. This may be due to a wrong ISDN protocol. Have
you set "1TR6" (German ISDN) as ISDN protocol even though your ISDN line is set up for
"DSS1" (Euro ISDN). or vice versa?
Unallocated (unassigned) number (error code 3481)
"No connection under this number". The number you are calling could not be reached
because it has no line assigned to it. The phone number has the right format. Enquire at
your telephone company or the operator of your telephone exchange what the correct
number is.
Normal call clearing (error code 3490)
"Connection terminated normally". One of the users of the connection cancelled the connection. The connection was not cancelled by the ISDN network.
User busy (error code 3491)
"Busy". The number you are calling cannot answer any calls at the moment because all
channels are being used.
No user responding (error code 3492)
The number you are calling did not answer within the ti
me period required by your connection. There is probably no terminal device connected to the number you are calling.
Contact the other party to establish the cause.
No answer from user (user alerted) (error code 3493)
The number you are ca
lling confirmed call received within the time period required, but a
connection was not established, however. If the terminal device of the other party is a
telephone, then it rang, but the call was not answered. Try again later.
Page 46
ISDN Error Messages Pocket ISDN
46
Call rejected (error code 3495)
The device reached under the phone number refused the call, although it was not busy
and was able to answer the call. Example: if the ISDN option "Call waiting" is activated on
the other's party line, a telephone can answer your call even if a call is in progress at the
time. This error message occurs when your waiting call is refused by the person you are
trying to reach.
Number changed (error code 3496)
The phone number of the party you are calling has changed. Contact your telephone
company for the new number.
Destination out of order (error code 349B)
The terminal device on the number you are calling could not be reached, because the
port for this device did not work. Possible causes: the other party's terminal device is not
connected or not turned on, or it is not working properly. Contact the other party to find
out the cause.
Invalid number format (error code 349C)
The party you are calling could no
t be reached because the number you called is in the
wrong format or incomplete.
No circuit/channel available (error code 34A2)
No B channel is available for a call at the mom
ent. Upon this, the Pocket ISDN initiates a
blockade release and clears a B channel with this.
ISDN network out of order (errror code 34A6)
Problems in the ISDN network. Wait a while and try again.
Temporary failure (error code 34A9)
Temporary problems in the ISDN network. You can try again immediately.
Incompatible destination (error code 34D8)
The t
erminal device of the other party is not compatible with the terminal device that is
making the call. The call cannot be answered, therefore. This error could occur, for example, if the terminal device of the other party is a normal telephone.
Page 47
Pocket ISDN ISDN Error Messages
47
11.1 Extended Error Messages with ISDN
Cause (hex) Meaning AT response X.25 response
0000 No error
0001 NCPI ignored
0002 Flags ignored
0003 Alert already sent
1001 Too much CAPI applications
1002 Logic block size too small
1003 Buffer bigger than 64k
1004 Buffer of the message to small
1005 Too much logical connections
1006 Reserved 1
1007 Message has not been accepted
1008 Register: OS resources failure
100A External equipment not supported
100B Only external equipment
1101 Wrong application ID
1102 Invalid command or message length
1103 Message queue full
1104 Message queue empty
1105 Message has been lost
1106 Unknown message
1107 Message not accepted
1108 OS resources failure
1109 CAPI not installed
2001 Wrong state
2002 Invalid identifier
2003 No PLCI free anymore
2004 No NCCI free anymore
2005 No LISTEN free anymore
2006 No fax resource existing anymore
2007 Invalid message parameters
3001 B1 protocol not supported
3002 B2 protocol not supported
3003 B3 protocol not supported
3004 B1 protocol parameter not supported
3005 B2 protocol parameter not supported
3006 B3 protocol parameter not supported
3007 B channel protocol combination not supported
3008 NCPI not supported
Page 48
ISDN Error Messages Pocket ISDN
48
Cause (hex) Meaning AT response X.25 response
3009 Unknown CIP value
300A Flags not supported
300B Facility not supported
300C Data length not supported
300D Reset procedure not supported
3301 Protocol error layer 1
3302 Protocol error layer 2, e.g. DTE address not valid, TEI
not valid
3303 Protocol error layer 3
3304 Another application has accepted the call
3311 Fax remote station is no fax
3312 Fax training terminated with error
3313 Fax connection termination before data transmission
3314 Fax connection termination remote termination
3315 Fax connection termination remote procedure
3316 Fax connection termination "local transmitter under-
run"
3317 Fax connection termination "local receiver overflow"
3318 Fax connection termination "local abort"
3319 Fax invalid send data
3481 Unallocated (unassigned) number 3 13, 78
3482 No route to transit network 3 0D, 78
3483 No route to destination 3 0D, 78
3486 Channel unacceptable 6 05, 78
3487 Call awarded and being delivered in an established
channel
6 05, 78
3490 Normal call clearing 3 00, 78
3491 User busy 7 01, 78
3492 No user responding 8 09, 78
3493 No answer from user (user alerted) 8 09, 78
3494 No answer from user (device off) 8 09, 78
3495 Call rejected 8 21, 78
3496 Number changed 3 0D, 78
349A Non selected user clearing 3 00, 78
349B Destination out of order 8 09, 78
349C invalid number format 3 13, 78
349D Facility rejected 3 13, 78
349E Response to STATUS ENQUIRY 3 13, 78
349F Normal disconnect, unspecified 3 00, 78
34A2 No circuit/channel available 7 01, 78
Page 49
Pocket ISDN ISDN Error Messages
49
Cause (hex) Meaning AT response X.25 response
34A6 ISDN network out of order 6 05, 78
34A9 Temporary failure 6 05, 78
34AB Access information discarded 6 05, 78
34AC Requested circuit/channel not available 6 05, 78
34AE Precedence call blocked 6 05, 78
34AF Resource unavailable, unspecified 6 05, 78
34B1 Quality of service unavailable 3 13, 78
34B2 Requested facility not subscribed 3 13, 78
34B5 Outgoing calls barred within CUG 3 13, 78
34B7 Incoming calls barred within CUG 3 13, 78
34B9 Bearer capability not authorized 3 13, 78
34BA Bearer capability not presently available 3 13, 78
34BF Service or option not available, unspecified 3 13, 78
34C1 Bearer capability not implemented 3 13, 78
34C2 Channel type not implemented 3 13, 78
34C5 Requested facility not implemented 3 13, 78
34C6 Only restricted digital information bearer capability is
available
3 13, 78
34CF Service or option not implemented, unspecified 3 13, 78
34D1 Invalid call reference value 3 21, 78
34D2 Identified channel does not exist 3 21, 78
34D3 A suspended call exists, but this call identity does not 3 21, 78
34D4 Call identity in use 3 21, 78
34D5 No call suspended 3 21, 78
34D6 Call having the requested call identity has been
cleared
21, 78
34D7 User not member of CUG 3 21, 78
34D8 Incompatible destination 3 21, 78
34DA Non-existent CUG 3 21, 78
34DB Invalid transit network selection 3 21, 78
34DF Invalid message, unspecified 3 21, 78
34E0 Mandatory information element missing 3 21, 78
34E1 Message type non-existent or not implemented 3 21, 78
34E2 Message not compatible with call state or message
type non-existent or not implemented
3 21, 78
34E3 Information element /parameter non-existent or not
implemented
3 21, 78
34E4 Invalid information element contents 3 21, 78
34E5 Message not compatible with call state 3 21, 78
34E6 Recovery on timer expiry 3 21, 78
Page 50
ISDN Error Messages Pocket ISDN
50
Cause (hex) Meaning AT response X.25 response
34E7 Parameter non-existent or not implemented, passed
on
3 21, 78
34EF Protocol error, unspecified 6 05, 78
34FF Network interworking error, unspecified 6 05, 78
Page 51
Pocket ISDN Maintenance
51
12 Maintenance
Firmware Update
Note
Function loss due to faulty update!
The Pocket ISDN may loose its function, if it is updated with a
wrong firmware or if the transfer of the firmware was faulty.
Before updating the firmware of the Pocket ISDN, contact the
INSYS MICROELECTRONICS support department. They will provide you with the suitable firmware version for your Pocket
ISDN .
The firmware of the Pocket ISDN can be updated to add further functions to the Pocket
ISDN or to improve the existing functions. A firmware update can be performed with a
terminal program, which supports XMODEM-1k uploads (like Hyperterminal).
Firmware update with a terminal program
How to load new firmware to the Pocket ISDN.
You will need a terminal program that supports Xmodem-1k file transfers,
like Hyperterminal.
You will need the appropriate firmware for your Pocket ISDN.
The Pocket ISDN is connected to the PC.
1. Start your terminal program.
2. Activate hardware handshake in the terminal program.
3. Configure the baud rate of the serial interface to 115200 and the data for-
mat to 8N1.
4. Open the serial interface, to which the Pocket ISDN is connected.
5. Type in "AT" and confirm with "Enter".
The Pocket ISDN replies withOK.
If the Pocket ISDN does not respond, check the connection and if the device
receives power at all. Continue with step 2.
6. Check the version of the currently used firmware by entering the command
AT**ver.
The Pocket ISDN displays the version of the currently used firmware, e.g.:
HUX0530 V1.027 Jun 18 2007 16:30:57
Page 52
Maintenance Pocket ISDN
52
7. Enter AT**FLASH to start the firmware upload.
The Pocket ISDN replies " Erasing Flash Eprom now. Please
wait…"
The Pocket ISDN replies "Send your XMODEM transfer now (Ctrl-
X aborts) …"
8. Send the firmware file with the file transfer protocol 1k-XMODEM using the
terminal program.
If you do not send a firmware file, the Pocket ISDN will terminate the pro-
cedure after approx. 60 seconds.
The Pocket ISDN indicates the successful upload of the firmware with e.g.:
Loading procedure ended successfully.
If the firmware update fails, the Pocket ISDN responds to all AT commands
(like e.g. at**ver) with the reply:
ERROR: BOOT LOADER ACTIVE. Configure the baud rate to 115.200 bps
in any case. If you only enter AT, OK will be returned. Repeat the firmware
update in this case. Observe that your terminal program really uses the
XMODEM-1K protocol.
If you didn't receive the previous message for a successful upload, the upload
has most probably failed. Try to reset the Pocket ISDN and to repeat the process from step 4. If this fails and the Pocket ISDN does no longer react to AT
commands, please contact the INSYS MICROELECTRONICS support department.
The Pocket ISDN will reset itself and is ready for operation.
Page 53
Pocket ISDN Firmware History
53
13 Firmware History
13.1 Pocket ISDN Internet
Date Version Description
26.06.2006 7.011
New development
20.07.2006 7.017
New B channel protocol X.75 channel bundling
(ATB32)
New B channel protocol AO/DI (ATB33)
Data from the non-volatile memory are only written to
the flash memory (AT&W), if a configuration parameter
has been changed
Table 10: Firmware history Pocket ISDN Internet
13.2 Pocket ISDN Profi
Date Version Description
26.06.2006 1.009
New development
20.07.2006 1.013
New B channel protocol ML-PPP
New commands "autosave" and "autosavetime"
V.110 38.400 bps removed
New security callback function
Table 11: Firmware history Pocket ISDN Profi
Page 54
Waste Disposal Pocket ISDN
54
14 Waste Disposal
14.1 Repurchasing of Legacy Systems
According to the new WEEE guidelines, the repurchasing and recycling of legacy systems
for our clients is regulated as follows:
Please send those legacy systems to the following address, carriage prepaid:
Frankenberg-Metalle
Gaertnersleite 8
D-96450 Coburg
Germany
This regulation applies to all devices which were delivered after August 13, 2005.
Page 55
Pocket ISDN AT Command Reference
55
15 AT Command Reference
Default values are printed bold.
Command Description
A/
Repeat the last command
This command repeats the commands of the last entered command line.
ATA
Accept incoming call
An incoming call can be accepted with this command if automatic call accep-
tance is disabled (register S0 = 0). An incoming call is indicated by the "RING"
message or the code "2".
This command must be the last in an AT command line.
ATA[//<UUS1data>]
<UUS1data> Data transmitted with UUS1 signaling
ATB
B channel protocol
Transmission protocol for data in B channel.
ATB0 V.110 asynchronous (e.g.: for connections to GSM devices)
ATB1 V.110 synchronous
ATB3 HDLC async to sync conversion (PPP asynchronous, single link
PPP) (e.g.: for internet / communication network access)
ATB4 HDLC transparent (octets are packed in HDLC frames)
ATB5 Byte-transparent Voice (B channel data)
ATB6 Byte-transparent Data (B channel data)
ATB10 X.75-NL (e.g.: for direct ISDN-ISDN data connections)
ATB13 V.120 asynchronous
ATB20 X.31 B channel (X.25 B channel, option)
ATB21 X.31 D channel (option)
ATB31 Multilink PPP
ATB40 external IOM
ATB43 external Data
ATB45 external Audio Data
Note: Not all parameters listed here are available for all devices. The availabil-
ity of the parameters depends on the respective device.
Page 56
AT Command Reference Pocket ISDN
56
Command Description
AT%B
Configures local baud rate
Sets the local baud rate of the Pocket ISDN to the desired value (fix value) or to
autobauding. If autobauding is configured, the Pocket ISDN detects the required
baud rate with each AT command entered via the terminal program (PC). The
same baud rate must be configured at the PC for all other settings.
This command must be the last in an AT command line.
AT%B0 Automatic baud rate detection enabled (autobauding)
AT%B1 Local baud rate 1.200 bit/s
AT%B2 Local baud rate 2.400 bit/s
AT%B3 Local baud rate 4.800 bit/s
AT%B4 Local baud rate 9.600 bit/s
AT%B5 Local baud rate 19.200 bit/s
AT%B6 Local baud rate 38.400 bit/s
AT%B7 Local baud rate 57.600 bit/s
AT%B8 Local baud rate 115.200 bit/s
AT%B9 Local baud rate 230.400 bit/s
Note: If autobauding is enabled (default) and no AT command ins entered into
the Pocket ISDN after switching on, the messages from the Pocket ISDN
(e.g. RING) are sent with a baud rate of 115.200 bit/s.
Autobauding works only with the data format 8N1.
ATCONF
Starting the INSYS ISDN TA+Configurator
Starts directly the INSYS ISDN TA+Configurator. The "#" prompt of the configura-
tor is displayed. The INSYS ISDN TA+Configurator is exited with the command
"quit".
AT&C
DCD Processing
Configures the behaviour of the DCD line of the Pocket ISDN.
AT&C Pocket ISDN control line DCD is always ON
AT&C1 DCD ON indicates that an ISDN connection is established and
synchronised
AT#C
Bearer channel service
Indicates the bearer channel service, which has been received with an incoming
call, in hexadecimal encoding hbhb.
The value of hbhb (word) is the CIP value, as defined in the CAPI 2.0 specification.
AT#C1=hbhb
Configure outgoing bearer channel service
Configures the bearer channel service, which is transmitted with an outgoing
call.
The value of hbhb (word) is the CIP value, as defined in the CAPI 2.0 specification.
(Default 0002).
Example: AT#C1=0002: outgoing call as data call.
AT#C1=0004: outgoing call as voice call
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Pocket ISDN AT Command Reference
57
Command Description
AT#C2=hbhbhbhb
Configure incoming bearer channel service
Configures the bearer channel service, which is accepted with an incoming call.
The value of hbhbhbhb (double word) is the CIP mask, as defined in the CAPI 2.0
specification. (Default 00000004).
Example: AT#C2=00000001: accepts all incoming calls.
Note: The command AT#C1 must be set prior to a connection estab-
lishment.
In order to use the predefined services, configure the standard
values with AT&F.
ATD
Connection establishment
Dials the specified number (D for dial). The dialling modifiers "W", ">", "T", ";", "@"
can be freely inserted into the dialling string. They have no influence on the dialup procedure of the Pocket ISDN.
Entering a letter during dial-up terminates the dial-up procedure.
ATD<CALLEDnumber>[/<subaddr>][//<UUS1data>]
[,X[Pxxx-][R ][N<nuipwd> ][G<cug> ]<X25number>][D<userdata>]]
CALLEDnumber: ISDN phone number for a selected B channel connec-
tion, or X.25 number for X.31 D channel
subaddr Dialled sub-address
UUS1data Transmitted data with UUS1 signalling
P: Packet size xxx for X.25 connection
R: Reverse charge by the recipient (only with X25)
G: Access to closed X.25 user group
O: Outgoing call from closed X.25 user group
N: Use NUI and password
permitted characters: a-z, A-Z, 0-9.
(overwrites the characters of the NUI configuration command)
X25number: dialled X.25 phone number (only X.25 B channel)
D: Separator for user data: "D" or ",": user data without ID protocol
"P": user data with ID protocol ("01000000")
ATDL Dial last dialled number
ATDS=n Dial number n from the stored phone number list
(n=1..3)
(Refer to the command AT&Z for saving numbers)
ATD<CALLEDnumber>e Call for remote access to the Pocket ISDN (refer to note).
Note 1: In order to configure the own sub-address, refer to the command sub.
Note 2: If an "e" is appended to CALLEDnumber, this indicates that a connec-
tion to the internal remote access of the Pocket ISDN is to be established. For this, the X.75 protocol (ATB10) must be used.
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AT Command Reference Pocket ISDN
58
Command Description
AT&D
DTR Processing
Determines the behaviour of the Pocket ISDN when changing the DTE line DTR
from ON to OFF.
AT&D Condition of the DTR line is ignored
AT&D2 Condition of the control line DTR is evaluated: A falling signal
on the DTR line terminates an existing ISDN connection (default).
An incoming call is only accepted with enabled DTR.
ATE
Locale echo
Configures the local echo in command mode.
ATE No locale echo
ATE1 Local echo during command input enabled (default)
AT&FL
Loads the default settings
The default settings are loaded, ISDN protocol settings and MSNs are not over-
written. (Use the command AT&W for saving to the non-volatile memory).
AT&FL All parameters, which refer to the data port, are reset.
AT&FL All parameters including ISDN protocol, MSN settings, and
password are reset.
ATH
Terminate connection
Terminates an existing ISDN data connection after entering the escape se-
quence.
ATH[//<UUS1data>]
UUS1data Transmitted data with UUS1 signalling
ATI
Displays version information
Displays different information about version number and settings:
ATI1 Replies the internal checksum
ATI3 Replies the version string
ATI5 Replies the selected ISDN protocol
ATI9 Replies the "plug and play" ID string
ATI77 Replies the bootloader version
ATI99 Replies the date of the software creation
AT*I
Querying the alarm inputs
Response: <input1>, <input2>
Values: 0 Input enabled (LOW)
1 Input open (HIGH)
This command can also be performed remotely.
The input condition is also stored in the registers S17 and S18 (read only).
Note: Not valid for Socket ISDN and Pocket ISDN.
AT&K
Data flow control
Determines the behaviour of the data flow control of the Pocket ISDN during
data communication.
AT&K No local flow control between DTE and Pocket ISDN is used
AT&K3 Local flow control Hardware Handshake RTS/CTS configured
AT&K4 Local flow control Software Handshake XON/XOFF configured
Page 59
Pocket ISDN AT Command Reference
59
Command Description
AT#M
Received CLID
Displays the "Call Line IDentification" (CLID), which has been received with the
incoming call – this is the number of the called party at the local S0 bus (dialled
MSN).
AT*M
Transport protocol for alarm messages
AT*M0 Via data connection with the B channel protocol configured
with ATB
AT*M1 As SMS into the D1 network (protocol TAP with X.75)
AT*M2 As SMS into the Vodafone D2 network (protocol UCP with X.75)
AT*M3 As SMS into the E-Plus network (protocol TAP)
The SMS gateways of the GSM network providers are entered with AT&Z1
Note: Not valid for Socket ISDN and Pocket ISDN.
ATN
Configures transmission baud rate V.110
Configures the transmission baud rate of the Pocket ISDN to the desired value.
(Only valid for V.110 asynchronous B channel protocol).
ATN0 Transmission baud rate is configured automatically (equal or
less compared with the local baud rate)
ATN1 Transmission baud rate 1.200 bit/s
ATN2 Transmission baud rate 2.400 bit/s
ATN3 Transmission baud rate 4.800 bit/s
ATN4 Transmission baud rate 9.600 bit/s
ATN5 Transmission baud rate 19.200 bit/s
ATO
Returning to online mode
If the Pocket ISDN is in command mode after entering the escape sequence dur-
ing an existing connection, ATO will return the Pocket ISDN back to data mode.
This command must be the last in an AT command line.
AT#O
Received CLIP
Displays the "Calling Line Identification Presentation" (CLIP), which has been
received with the incoming call – this is the number of the calling party.
ATQ
Response suppression
Result codes and messages can be suppressed with this command.
ATQ Replies status messages after entering a command (default)
ATQ1 No replies are output
AT&R
CTS Control
Configures the behaviour of the CTS control line of the Pocket ISDN.
AT&R The Pocket ISDN CTS control line follows all changes of RTS
AT&R1 CTS is always ON
AT#R
Processing incoming calls
Determines the behaviour of the Pocket ISDN if an incoming call is received.
If AT#R1 is enabled, all incoming calls are ignored regardless of all other set-
tings.
AT#R Disables the automatic rejection of all incoming calls
AT#R1 Enables the automatic rejection of all incoming calls
Page 60
AT Command Reference Pocket ISDN
60
Command Description
ATS
Displays and sets the internal S registers
ATSnn? Displays the current value (decimal) of the selected register nn
ATSnn=xx Sets the selected register nn to the decimal value xx.
For an overview of the S registers, refer to section 1
AT&S
DSR Processing
Configures the behaviour of the DSR control line of the Pocket ISDN.
AT&S Pocket ISDN control line DSR is always ON
AT&S1 DSR ON indicates that an ISDN connection is established and
synchronised
ATV
Message format
ATV Reply is output as number (followed by <
>)
ATV1 Reply is output as text
AT&V
Shows the current configuration
AT&V Displays the current configuration of the AT command set set-
tings, including the stored ISDN numbers
AT&V1 Displays the current configuration of the extened AT command
set settings
AT*V
Alarm texts
AT*V<n>? Querying the alarm texts
AT*V<n> Entering the alarm texts following the prompt NEW ALARM-
TEXT:
<n> 0 Collective message (160 characters without individual
messages, 120 characters with individual messages)
1 Individual message for alarm 1
2 Individual message for alarm 2
The index n=0 may be omitted.
Note: Not valid for Socket ISDN and Pocket ISDN.
ATW
Extended reply values
ATW Result is displayed with extended reply values
ATW1 Result is displayed with extended reply values
RING and CONNECT contain the ISDN address, all others contain
the cause of error. The message RINGING is displayed.
AT&W
Saves the active configuration
The active configuration is saved to the non-volatile memory.
ATX
Reduced result messages
Reduces the number of result messages after attempting to establish a connec-
tion.
ATX0 only "CONNECT" (without transmission speed)
ATX1 "CONNECT" with transmission speed, "BUSY", "NO DIALTONE"
are not used.
ATX2 "CONNECT" with transmission speed, "BUSY" is not used.
ATX3 "CONNECT" with transmission speed, "NO DIALTONE" is not
used.
ATX4 "CONNECT" with transmission speed, all messages are used.
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Pocket ISDN AT Command Reference
61
Command Description
AT*X
Alarm triggering
AT*X1 Alarm 1 is triggered
AT*X2 Alarm 2 is triggered
Note: Not valid for Socket ISDN and Pocket ISDN.
AT*Y
Setting the control outputs
AT*Y<port>,<status>
<port> 0 Output OUT1
1 Output OUT2
<status> 0 Normally closed
1 Normally open
2 follows DCD (only for OUT1)
Note: Not valid for Socket ISDN and Pocket ISDN.
ATZ
Loading saved settings
The active configuration is replaced with the saved setting.
This command must be the last in an AT command line.
AT&Z
Saves phone number
AT&Zx=nn Writes the phone number nn as entry with the number x (1..3)
AT&Zx=- Deletes entry number x
AT&Zx Displays entry number x
AT&Z Displays all entries
Note: Refer to configurator command catab for further information.
Fix assignment for alarm functions
AT&Zx=nn x=1 Target number for data connection
Service Center Number for SMS dispatch (gateway)
x=2 Mobile phone number SMS recipient for alarm 2
x=3 Mobile phone number SMS recipient for alarm 1
AT#Z
Defines the MSN
Defines the MSN nn (Multiple Subscriber Number) for the data port.
If the number is configured to "*" (default), all incoming calls are accepted.
The MSN can be displayed with the command AT#H or AT&V.
AT#Z=nn Sets MSN to nn
AT#Z Displays currently configured MSN.
The MSN is automatically stored in the non-volatile memory
(without entering AT&W).
Note: If 1TR6 D channel protocol is configured, only one or the last
digit is valid.
Table 12: AT command overview
Page 62
Special ISDN Parameters Pocket ISDN
62
16 Special ISDN Parameters
You can make additional ISDN settings with this command set.
Only one command is allowed per line; default values are printed bold.
Command Description
AT**BSIZE
Configures B channel block size
Defines the maximum length x of a received or transmitted data block in the B
channel (default: BSIZE = 2048).
AT**BSIZE=x
The value changes with configuring the B channel protocol (ATBx).
AT**DBITS
Number of data bits x at the DTE interface (7,8)
Number of data bits x for asynchronous characters (7, default: 8)
AT**DBITS=x
AT**DTE
Configures B channel layer 2 address
Configures the layer 2 link address. Only valid for HDLC based protocols (X.75,
LAPB).
AT**DTE=0 Calling party reacts as DTE,
Calling party reacts as DCE (default, X.75 standard)
AT**DTE=1 TA reacts as DTE (own address = 01)
AT**DTE=3 TA reacts as DCE (own address = 03)
The value changes with configuring the B channel protocol (ATBx).
AT**K
Configures layer 2 window size
Sets the window size x of the layer 2 B channel protocol: x = 1 ..7, default: 7
AT**K=x
The default value depends on the configured B channel protocol.
AT**LLC
Configures layer 2 compatibility (LLC)
Defines the LLC value for outgoing calls in hexadecimal format. Sometimes, a
certain LLC value is required to transfer detailed information about the used B
channel protocol to the called party. This can be achieved by configuring the LLC
to a fix value.
AT**LLC=- Deletes the LLC value (default: LLC is empty).
AT**LLC=8890 Entering a new LLC value
The value changes with configuring the B channel protocol (ATBx).
AT**PTP
Configures the ISDN interface type
AT**PTP=0 Configures Point-to-Multipoint mode (default); for multipoint
interface
AT**PTP=1 Configures Point-to-Point mode (to connect ISDN exchange
systems); for point-to-point interface
AT**RPWD
Password for remote configuration
Sets the password for remote configuration to nn (1..32 chars). Default: no
password.
AT**RPWD=nn
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Pocket ISDN Special ISDN Parameters
63
Command Description
AT**SPID
Configures SPID (optional)
An SPID must be configured for ISDN lines in USA. This will be provided by your
ISDN provider.
AT**SPID1=xxxx Configures SPID 1
AT**SPID2=xxxx Configures SPID 2
AT**STATUS
Displays the status of the ISDN line
Status display example:
Current status information <device name>
serial line: DTR:on, RTS:on, DSR:on, CTS:on, DCD:off, RI:off
ISDN: L1:up
Dch: Prot:DSS1 State:disconnected, CdPN:, CgPN:, prev error: 0
Bch: Prot:Async HDLC State:disconnected, CdPN:, CgPN:
Serial line: Displays the states of the serial line signals
ISDN: Displays the state of the ISDN connection:
L1:up: ISDN connection detected/present
L1:down: ISDN connection not detected/present
Dch: Displays the state of the D channel
Bch: Displays the state of the B channel
Prot: Used protocols on the channel
State: Connection state
CdPN: Called Party Number
CgPN: Calling Party Number
prev error: Error code of the last connection
AT**<cmd>
Executes configuration command
Executes a configuration command <cmd>.
Table 13: Special ISDN parameter command overview
Page 64
S Register Pocket ISDN
64
17 S Register
The Pocket ISDN contains status registers, which control the operation.
S registers may be read and written using the ATS command. Certain S registries may
only be read; others can only be configured for a particular range of values.
Register Description
S0
0: No automatic call acceptance, the acceptance of an incoming call is
controlled by the data terminal (command ATA following RING)
1: Immediate call acceptance by the Pocket ISDN (default)
2..n: Call acceptance by the Pocket ISDN after n "RING" messages.
Note: The time between 2 RING messages can be configured using the com-
mand "ringtimer" (default = 5 s.)
S1
Ring tone counter (read only)
S2
Escape character (default = 43h)
S3
Return character (default = 0Dh)
S4
Line feed character (default = 0Ah)
S5
Backspace character (default = 1Ah)
S7
Waiting time for carrier signal in seconds (default = 30)
S9
PNP Configure functionality for Windows95 (default=1, enabled)
S14
Status control output OUT1
0 Normally closed
1 Normally open
2 follows DCD
S15
Status control output OUT2
0 Normally closed
1 Normally open
S16
Last CAPI/ISDN error
S17
Status alarm input 1 (read only)
0 enabled (connected to GND)
1 open
S18
Status alarm input 2 (read only)
0 enabled (connected to GND)
1 open
S90
Last received ISDN phone number (CLIP)
S91
0: Default
1: All unknown AT commands are replied with OK
2: Windows 2000 compatibility: some AT commands are replied with OK,
unknown commands are replied with OK.
Table 14: Overview of S Registers
Page 65
Pocket ISDN TA+Configurator Command Reference
65
18 TA+Configurator Command Reference
Command Description
at.sx, at.opt,
at.rcs
AT commands for controlling the S registers
br Baud rate serial
brn Baud rate ISDN
bsize Frame length
catab<x> Display phone number memory
cato Call timeout
capa Call pause
catry Calls retry
ccts CTS behaviour
cdcd DCD behaviour
cdsr DSR behaviour
cdtr DTR behaviour
chappwd Configure password for PPP chap authentication
cmds Configure command interpreter
cnr<x> Configure phone number
dbits Data format serial
defa Load default settings
dhtc Configure highest 2-way channel
dltc Configure lowest 2-way channel
dte Configure B channel link address
flc Configure flow control
ftei TEI value point to point, fixed TEI
fwload (option) Upload firmware
fwstart (option) Starts new firmware
htc Configure highest 2-way channel
idle Idle data timeout
iinit ISDN initialisation
isdn ISDN D channel protocol
k Configure Window size
load Load saved parameters
ltc Configure lowest 2-way channel
X3 Configure command interpreter
pnp Plug and Play ID
prot Configure B channel protocol
prty Configure serial parity
ptp Configure ISDN connection type
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TA+Configurator Command Reference Pocket ISDN
66
Command Description
quit, exit, go Exit TA+Configurator
racctab Configure access table for remote configuration
reset (only POX) Reset (hardware)
ridle Idle data timeout (remote)
mua, rmua<n> Configure output pins
rmsn Configure remote MSN
rpwd Configure password for remote configuration
rstmsg Configure startup message
rsttim Startup timer
rsub Remote sub-address
save Save configuration change
sbits Number of stop bits
sertrc Serial link trace
shidle Short hold: Idle data timeout
shto Short hold: Call timeout to abort
shpa Short hold: Call pause
shtry Short hold: Max. number of connection attempts
show Display configuration of basic parameters
showall Display configuration of all settings
spid1, spid2 Configure SPID
status Status display
subi Sub-address for incoming calls
subo Sub-address for outgoing calls
tei Configure TEI value
trcn<nnn> Configure internal trace
ver Version information
verb Version of the bootloader
v110llc Using LLC for V.110 connections
v110flc Flow control for V.110 connections
xnr Own X.25 address
xtab<n> X.25 translation table
Table 15: Overview of TA+Configurator commands
Page 67
Pocket ISDN Tables and Diagrams
67
19 Tables and Diagrams
19.1 List of Tables
Table 1: Differences between Pocket ISDN Profi and Internet...................................................12
Table 2: Physical Features .....................................................................................................................14
Table 3: Technological Features ..........................................................................................................14
Table 4: Description of the LEDs on the front panel......................................................................16
Table 5: Device status encoding by LED L1 and L2 .........................................................................16
Table 6: Description of the connections on the rear panel of the device................................17
Table 7: Description of the pin allocation of the Sub-D socket..................................................17
Table 8: Description of the pin allocation of the RJ45 connector..............................................18
Table 9: Supported ISDN protocols with usage ..............................................................................37
Table 10: Firmware history Pocket ISDN Internet..........................................................................53
Table 11: Firmware history Pocket ISDN Profi.................................................................................53
Table 12: AT command overview........................................................................................................61
Table 13: Special ISDN parameter command overview ...............................................................63
Table 14: Overview of S Registers.......................................................................................................64
Table 15: Overview of TA+Configurator commands.....................................................................66
19.2 List of Diagrams
Figure 1: Connection of the Pocket ISDN for access to an online service................................13
Figure 2: LEDs on the front panel........................................................................................................16
Figure 3: Connections on the rear panel of the device.................................................................17
Figure 4: 9-pin Sub-D socket at the device.......................................................................................17
Figure 5: 8-pin Western connector (front view) .............................................................................18
Page 68
Index Pocket ISDN
68
20 Index
Accept incoming call..................................59
Access table..................................................37
Accessories ...................................................12
acctab......................................................37, 39
Additional information .............................21
Alarm message............................................63
Alarm text.....................................................64
Alarm triggering .........................................65
Alternative results......................................21
AT command set .........................................40
AT commands.......................................24, 26
Automatic call.......................................20, 27
Automatic callback.....................................37
B channel.......................................................41
B channel protocol .....................................59
Backspace character .................................. 68
Bandwidth on demand (BOD).................47
Baud rate.......................................................60
Bearer channel service ....................... 60, 61
Bit-direct data transmission....................41
Breakdown...................................................... 6
Buffer .............................................................31
Byte transparent data connection......... 41
Byte transparent voice connection........41
Call bumping................................................46
Call rejected..................................................49
Caller number..............................................34
Carrier signal................................................68
Checkmark....................................................21
CLIP.................................................... 42, 63, 68
Command input..........................................24
Command mode .................................. 26, 27
Connection establishment.......................61
CTS control....................................................63
CTS line ..........................................................31
Current configuration ............................... 64
Data connection..........................................26
Data flow control................................. 31, 62
DCD processing ...........................................60
Default settings....................................48, 62
Defects liability terms.................................. 7
Destination out of order ...........................50
Dialling table................................................27
DSR processing ............................................64
DTE address not valid ................................49
DTR line..........................................................27
DTR processing ............................................62
Electrical installation ...................................9
Environment.................................................10
Escape character .........................................68
Escape sequence .........................................26
Explosive atmosphere .................................6
Extended error messages .........................51
Extended reply values................................64
Fire hazard ....................................................10
Formattings..................................................21
General safety instructions......................10
Guideline .......................................................16
Hardware data flow control .............26, 31
HDLC async to sync conversion...............41
HDLC transparent ................................41, 42
Housing..........................................................11
Incompatible destination .........................50
Initial operation...........................................22
Invalid number format..............................50
ISDN error messages..................................49
ISDN network...............................................22
ISDN network out of order.......................50
ISDN point-to-point and multipoint
interface....................................................20
ISDN protocol...............................................41
Key word.......................................................... 8
Last CAPI/ISDN error ..................................68
Line feed character.....................................68
Liquids ............................................................10
Locale echo....................................................62
Message format ..........................................64
MLPPP.............................................................42
Moisture ........................................................10
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Pocket ISDN Index
69
MSN .................................................. 35, 36, 65
Multilink PPP................................................45
Multipoint interface ...........................35, 36
No answer from user (user alerted) ......49
No circuit/channel available ...................50
No user responding.................................... 49
Normal call clearing...................................49
NTBA...............................................................22
Number changed........................................50
Online mode.................................................63
Overcurrent..................................................10
Overvoltage..................................................10
Overvoltage protection............................. 10
Permissible limit ........................................... 7
Permitted caller...........................................34
Personnel ........................................................ 9
Phone cable ..................................................22
Phone line .....................................................26
Phone number................. 34, 35, 36, 65, 68
PNP..................................................................68
Point-to-point interface............................36
PPP asynchronous.......................................41
Prerequisites ................................................21
Protocol error layer 1.................................49
Protocol error layer 2.................................49
Qualification .................................................. 9
racctab ...........................................................34
Raw B channel data....................................41
Recycling .......................................................58
Redial.............................................................. 28
Remote configuration .......... 20, 32, 33, 34
Remote configuration number...............33
Remote configuration password............33
Repair ............................................................. 10
Repurchasing ...............................................58
Response suppression...............................63
Responsibilities of the operator ...............9
Result messages..........................................64
Return character .........................................68
RING message.......................................34, 39
Ring tone................................................26, 27
Ring tone counter .......................................68
S Register.......................................................68
S0 bus .............................................................22
S0 socket........................................................22
Safety................................................................ 6
Security callback...................................20, 37
Selective call acceptance ...................20, 39
Serial cable....................................................22
Serial interface.............................................22
Serial port......................................................24
Short-cut........................................................10
Software data flow control......................31
Spray water...................................................10
Standard ........................................................16
Status register..............................................68
Sub-addressing............................................44
Surface ...........................................................11
Symbol ...................................................... 8, 21
TA+Configurator ....................28, 32, 40, 60
TA+Configurator command reference .69
Target phone numbers..............................27
TEI....................................................................36
TEI not valid ..................................................49
Temporary failure.......................................50
Terminal program........... 23, 24, 26, 32, 40
Terminate connection ...............................62
Transfer protocol ........................................41
Transmission baud rate ............................63
Transport.........................................................9
Unallocated (unassigned) number ........49
Usage according to the regulations ........6
User busy.......................................................49
User-to-User-Signalling (UUS1)..............42
V.110 asynchronous............................41, 42
V.120 asynchronous...................................41
Version information...................................62
X.25 B channel .............................................41
X.31 B channel .............................................41
X.31 D channel.............................................42
X.75 SLP..........................................................41
XON/XOFF.....................................................31
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