... the DECT IP multicell system for Internet telephony and unrestricted mobility when
making calls in small and medium-sized companies.
Enable Internet telephony for up to 100 subscribers
Enable your company's employees to make calls via the Internet and, at the same time,
benefit from DECT telephony:
Available throughout the DECT network, freedom of movement when making calls.
Manage the phone functions centrally at a management station
Manage your Gigaset telephone system via your PC's Web browser. Save your
telephone system's configuration on your PC after you have set it up.
Organise and synchronise your base stations
Register the base stations belonging to your DECT network and define a
synchronisation hierarchy. If your base stations are a long way apart, create
independent DECT clusters and manage them from a central point.
Manage handsets
Register the handsets on the DECT network. Configure VoIP connections and set up
network and individual mailboxes for your company's employees.
Make important functions available centrally
Make public and corporate directories available to employees.
Go online with your Gigaset
Use your phone's Info Centre and have information specifically provided for the phone
from the Internet shown on the display of the registered handsets.
Practical functions
Use the programmable display keys on the registered handsets to quickly access
important phone functions, or read your eMail messages on your phone (without a PC).
You can find additional information about your phone at
www.gigaset.com/pro/gigasetn720
Gigaset N720 DECT IP Multicell System is a DECT multicell system for connecting DECT
base stations to a VoIP PABX. It combines the options of IP telephony with the use of DECT
telephones.
The following illustration shows the components of the Gigaset N720 DECT IP Multicell
System and the way the system is embedded in the IP telephone environment:
Gigaset IP PRO telephones
DECT Manager
Gigaset N720 DM PRO
e.g., Gigaset DE 900 IP PRO
LAN
PAB X
VoIP, ISDN, analogue
Configuration via
Web interface
u DECT Manager Gigaset N720 DM PRO
Central management station for managing the DECT network. One DECT Manager
must be used for each installation. The DECT Manager
– Manages up to 20 DECT base stations
– Manages up to 100 handsets on multicell systems
– Enables division into subnets (Cluster formation)
– Represents the interface to an IP PABX (e.g., Gigaset T500 PRO/T300 PRO)
The DECT Manager offers a Web user interface for the configuration and
administration of the DECT network.
Getting started with the DECT Manager
Configuring the DECT network using the Web user interface
u Gigaset N720 IP PRO DECT base stations
– These are the cells of the DECT telephone network.
– Each base station can manage up to eight calls simultaneously.
Getting started with the base stations
Configuring the base stations
DECT
base stations
Gigaset N720
IP PRO
Handover & roaming
Gigaset
Handsets
£ page 11
£ page 58
£ page 11
£ page 67
6
Introduction
u Gigaset handsets
– Up to 100 handsets can be connected and 30 DECT connections can be made
simultaneously (calls, eMail checks, connections to online directories and the Info
Centre).
The following handsets are recommended: Gigaset SL610H PRO, SL400H, S810H,
E49H.
Further information relating to the functions of the handsets in connection with
the Gigaset base stations can be found in the Accessories section (
and on the Service page at www.gigaset.com/pro/gigasetn720
– Subscribers can accept or initiate calls in all DECT cells with their handset
(Roaming), and can also switch between the DECT cells during a call (Handover).
A handover is only possible within the same cluster.
Configuring handsets
The functions of a handset on a Gigaset N720 DECT IP Multicell System are described
in this document using the example of the Gigaset SL610H PRO handset. Detailed
information about this handset and other approved Gigaset handsets can be found in
the relevant user guide. These are provided on the product CD or on the Internet at
www.gigaset.com
u PAB X
You can connect your DECT telephone system to a PABX for VoIP, ISDN or analogue
telephony, e.g.,
– A Gigaset T500 PRO or T300 PRO
– A PABX from another manufacturer
– A PABX over the Internet (hosted PBX)
The PABX
– Establishes the connection to a public telephone network
– Enables central management of telephone connections, directories, network
mailboxes
u Forming clusters with the Gigaset N720 DECT IP Multicell System
You can divide DECT base stations that you have installed at your location into several
independent groups, i.e., clusters, and manage them using one Gigaset N720 DM PRO
DECT Manager (
This means DECT domains that are a long way apart can be managed from a central
point. The DECT Manager is connected to the base stations and the PABX via the local
network and is therefore not dependent on DECT ranges. It guarantees access to the
centrally configured IP connections, directories etc. However, a handover of handsets
between clusters is not possible.
£ page 75
.
£ page 70).
£ page 123)
on the Internet.
7
Introduction
Planning your DECT wireless network
Careful planning of your DECT wireless network is the prerequisite for successful
operation of the Gigaset N720 DECT IP Multicell System with good call quality and
adequate call options for all subscribers in all the buildings and areas belonging to the
PABX. When deciding how many base stations are needed, and where these should be
positioned, both the requirements for the capacity of the PABX and its wireless coverage,
as well as many ambient conditions, must be taken into consideration.
The "Gigaset N720 DECT IP Multicell System - Site Planning and Measurement Guide"
provided on the enclosed product CD will make it easier for you to plan your multicell
DECT network, explain the necessary preparatory work for the installation and describe
how to carry out measurements in order to find the best positions for your base stations.
Please read these instructions before starting installation.
Gigaset also offers the Gigaset N720 SPK PRO (Site Planning Kit) to help you measure the
wireless coverage and signal quality on your DECT network. Information about setting up
and using the Gigaset measuring equipment can also be found in the "Gigaset N720 DECT
IP Multicell System - Site Planning and Measurement Guide".
8
Safety precautions
Warning
Read the safety precautions and the user guide before use.
Use only the power adapter supplied, as indicated on the devices.
Using your telephone may affect nearby medical equipment. Be aware of the
technical conditions in your specific location e.g., doctor's surgery.
If you use a medical device (e.g., a pacemaker), please contact the device
manufacturer. They will be able to advise you regarding the susceptibility of
the device to external sources of high frequency energy. Please refer to the
Appendix chapter for the specifications of this Gigaset product.
The devices are not splashproof. For this reason do not install them in a damp
environment such as bathrooms or shower rooms.
Do not use the devices in environments with a potential explosion hazard
(e.g., paint shops).
If you give your Gigaset to a third party, make sure you also give them the user
guide.
Safety precautions
Remove faulty devices from use or have them repaired by our Service team, as
these could interfere with other wireless services.
Please note
u Not all of the functions described in this user guide are available in all countries.
u The devices cannot be used in the event of a power failure. It is also not possible to
transmit emergency calls.
9
First steps
First steps
Checking the package contents
1
3
§§1§§ One Gigaset N720 DM PRO DECT Manager or
§§2§§ One Gigaset N720 IP PRO base station
§§3§§ One CD with user guide (Gigaset N720 DM PRO only)
This includes, for example, the "Gigaset N720 DECT IP Multicell System - Site Planning
and Measurement Guide", £ page 8
Or
2
Please note
The Gigaset N720 DECT IP Multicell System devices are powered by Power over
Ethernet (PoE). If you do not use an Ethernet switch with PoE functionality and require
a power adapter to connect to the mains power supply, you can order this as an
accessory (
10
£ page 120).
Firmware updates
Whenever there are new or improved functions for your Gigaset, firmware updates are
made available for you to download to your DECT Manager and your base station
£ page 97). If this results in operational changes when using your phone, a new
(
version of this user guide or the necessary amendments will be published on the
Internet at
www.gigaset.com/pro
Select the product to open the relevant product page for your base, where you will
find a link to the user guides.
To find out which version of the DECT Manager firmware is currently loaded,
£ page 97 and page 103.
see
Installing base stations and DECT Manager – procedure
Caution
Read the "Gigaset N720 DECT IP Multicell System - Site Planning and Measurement
Guide" before you start installing the devices.
¤ When installing the base stations, please take into account the technical conditions for
positioning and the installation guidelines, which are described in the "Gigaset N720
DECT IP Multicell System -Site Planning and Measurement Guide".
¤ Install the base stations at the positions you determined when planning or measuring
your DECT wireless network.
¤ The Gigaset N720 DM PRO (DECT Manager) can be installed anywhere within the
range of the local network. It does not need to be installed in the coverage area of the
DECT wireless network.
¤ The Gigaset N720 IP PRO base stations and the Gigaset N720 DM PRO DECT Manager
are intended for wall mounting (
£ page 16).
First steps
Caution
u The devices are designed for use in dry rooms with a temperature range of +5°C to
+45°C.
u Never expose the devices to heat sources, direct sunlight or other electrical
appliances.
u Protect your Gigaset from moisture, dust, corrosive liquids and fumes.
11
First steps
Connecting base stations and DECT Manager
To be able to make calls with your Gigaset N720 DECT IP Multicell System via VoIP, the
following conditions must be fulfilled:
u The DECT Manager is installed
u Your DECT Manager and base station are connected to the local network (£ page 14)
u At least one base station is registered (£ page 17)
u At least one handset is registered to the telephone system (£ page 18)
Perform the following steps in the specified sequence, first for the DECT Manager and
then for all the base stations to be installed:
§§1§§ Connect the power cable to the device and connect to the mains power supply, if
necessary.
§§2§§ Connect the base to the router/switch to access the local network and configure via
the Web configurator.
§§3§§ Fix the device to the planned position on the wall.
Please note
Your Gigaset N720 DECT IP Multicell System is supplied with sufficient power via PoE
(Power over Ethernet) if the device is connected to an Ethernet switch with PoE
functionality (PoE class IEEE802.3af). In this case, you do not need to connect the
device to the mains power supply and step
§§1§§ can be omitted.
12
Connecting the power cable
Please note
This connection is only required if the device is not powered via PoE.
If you do not use PoE, the power adapter must be plugged in at all times for
operation, as the device will not work without a power supply.
First steps
§§1§§ Insert the power cable of the power adapter into the connection socket at the rear of
the device.
§§2§§ Insert the cable into the cable recess provided.
§§3§§ Insert the power adapter into the mains socket.
Caution
Use only the power adapter recommended in the Accessories section (£ page 120).
13
First steps
Connecting devices to the local network and to the Internet
Data protection notice
When the device is connected to the Internet, it automatically contacts the Gigaset
support server to make it easier for you to configure the devices and to enable
communication with Internet services.
For this purpose, the DECT Manager sends the following information when the system
is started and then every five hours:
u Serial number/item number
u MAC address
u IP address for the Gigaset on the LAN/its port numbers
u Device name
u Software version
The following data is transmitted once every day.
u Number of registered handsets
u Information for each handset: DECT identifier (IPUI), device type, user name and
display name
On the support server, this information is linked to the existing device-specific
information:
u System-related/device-specific passwords
The base stations and DECT Manager have a LAN connection, which you use to connect
the device to your local network via a switch/hub or directly with a router. A VoIP PABX is
required for Internet telephony. This must be accessible via the local network and must
have network access (to the Internet and/or the analogue or ISDN telephone network).
Otherwise it will only be possible to make calls within the LAN.
You also need a PC connected to the local network, so that you can configure your
telephone system via the Web configurator.
Caution
Each base station contains two DECT modules with their own MAC address, which are
connected to a LAN port via an integral Ethernet switch.
To prevent security warnings, you will need to allow MAC address cascading on your
corporate network.
14
First steps
§§1§§ Insert a plug from the Ethernet cable supplied (Cat 5 with 2 RJ45 modular jacks) into
the LAN connection socket at the rear of the device.
§§2§§ Insert the second Ethernet cable plug into a LAN socket for your local network or on
the router.
§§3§§ Insert the cable into the cable recess provided.
15
First steps
Mounting devices on the wall
Gigaset N720 IP PRO base stations and Gigaset N720 DM PRO DECT Manager are intended
for wall mounting.
50 mm
80 mm
You can fix the device to the wall with two or four
screws:
¤ Drill holes with the following spacing:
Horizontal: 50 mm, vertical: 80 mm.
¤ Affix wall plugs and secure the screws. Let the
screws protrude by approx. four mm.
¤ Hang the device on the screws.
16
Preparing to use the telephone system
To start using your Gigaset N720 DECT IP Multicell System, you must now perform the
following steps:
u Register base stations to the telephone system and synchronise them
u Register handsets to the telephone system, configure and assign VoIP accounts
Registering base stations to the DECT Manager
Before starting to register the base stations, please ensure that you have the installation
plans available, which you created during the planning phase of your DECT network.
You need the MAC address of the installed base stations and the following planning data:
u Name, location
You can select any name for the base station. This should contain its location, to enable
the relevant Gigaset N720 IP PRO to be found quickly for maintenance purposes.
u Synchronisation level
Base stations that combine to form a DECT wireless network must synchronise with
one another to ensure a smooth transition of the handsets from cell to cell (handover).
As a base station in a multicell DECT network often has an inadequate connection to
some of the other base stations, you must set up a synchronisation hierarchy.
Detailed information about synchronisation planning can be found in "Gigaset N720
DECT IP Multicell System - Site Planning and Measurement Guide".
u Cluster structure
Groups of base stations that are a long way apart must be assigned to different
clusters.
First steps
Please note
Synchronisation always refers to a cluster. You can set up several clusters that are not
synchronised with one another, so there is no possibility of a handover between
clusters.
To register the base stations, set up clusters and define the synchronisation hierarchy,
please use the Web configurator on the DECT Manager. This is described in Section
Configuring the system on the DECT Manager (
£ page 58).
17
First steps
Registering base stations
¤ Open the Web configurator and log in (£ page 59).
¤ Open the Preferences ¢ Network and connectors ¢ Base station registration
£ page 67).
page (
The window shows a list of all DECT base stations connected to the local network
which have not yet been registered. The base stations are identified by their MAC
address and by the date and time of their initial contact with the system.
¤ Register all the base stations that are to belong to your telephone system, as described
in section "Registering base stations".
Synchronising base stations and forming clusters
¤ Open the Preferences ¢ Network and connectors ¢ Base station synchronisation
£ page 70).
page (
The registered base stations are displayed.
¤ Assign each base station to a cluster.
If you only want to manage one cluster, assign all the base stations to the same cluster
number.
¤ Assign the planned synchronisation level to each base station.
Be aware that synchronisation level one can only be assigned once.
¤ Save your settings.
Synchronisation starts automatically. If synchronisation is successful, this is indicated by
the DECT 1 / DECT 2 LEDs on the Gigaset N720 IP PRO base stations (
£ page 23).
Registering handsets and assigning VoIP accounts
All the handsets to be used for making calls on the Gigaset N720 DECT IP Multicell System
must be registered on the DECT Manager. When registering, the handset is permanently
assigned a VoIP connection as the receive and send connection.
Up to 100 handsets can be connected.
The following handsets are recommended: Gigaset SL610H PRO, SL400H, S810H, E49H.
Further information relating to the functions of the handsets in connection with the
Gigaset base stations can be found in the Accessories section (
Service page at www.gigaset.com/pro/gigasetn720
18
on the Internet.
£ page 123) and on the
First steps
Setting up VoIP connections
Before you start registering the handsets, please make sure that there are sufficient
accounts available from your local VoIP PABX or from a VoIP provider, and that you have the
login data to hand. You can set up accounts from a maximum of ten different providers.
First configure the VoIP connections.
¤ Log in to the Web configurator (£ page 59).
¤ Open the Settings ¢ VoIP providers page and create an entry for each provider
£ page 73).
(
Registering the handset
Handset registration must be initiated in parallel on the DECT Manager (a) and on the
handset (b). To do so, the handset must be located in at least one cell of the DECT
network, i.e., close to a base station which is registered on the DECT Manager.
a) On the DECT Manager
¤ Open the Web configurator and log in (£ page 59).
¤ Open the Settings ¢ Handsets (£ page 75) page and press the Add button. You can
decide whether you want to set up a handset with new data, or transfer the data from
a handset that has already been set up.
¤ Select the VoIP provider from the list and enter the login data for the account the
handset is to use to make calls.
¤ Start registering the handset for this account.
The DECT Manager is now ready for registering. A registration PIN is generated and
displayed.
b) On the handset
¤ Start the registration procedure on the handset in accordance with the handset's user
guide.
A message appears on the display stating that the handset is searching for a base that is
ready for registration.
If the handset has found a base, you will be asked to enter the registration PIN.
¤ Enter the four-digit registration PIN, produced on the DECT Manager, on the handset.
c) On the DECT Manager
¤ Confirm the message Registration successful. by clicking OK.
Once registration is complete, the handset returns to idle status. The handset name is
shown in the display. If not, repeat the procedure.
Please note
The handset name is either the Username or Display name for the VoIP account to
which the handset is assigned. You can set this in the Web configurator (
Immediately after registration, the handset is assigned the VoIP connection as the receive
and send connection (incoming calls are signalled on the handset and can be answered).
You can now make calls with the handset.
£ page 75).
19
First steps
Displays
u Reception between the base station and the handset:
– Good to poor:
–No reception: ¼ (red)
If several base stations are within range, the connection
quality to the base station with the best reception is
displayed.
u Battery charge status:
–
yy{{ (Empty to full)
yFlashes red: batteries almost empty
–
xyx{x{ (Charging)
–
u Name of the handset
ÐiÑÒ
i
07:15
Name14 Oct
CallsCalendar
Please note
Depending on the device type, you can register your handset on other individual base
stations or on a Gigaset N720 DECT IP Multicell System (up to four). Information about
this can be found in the user guides for the relevant handsets and base stations.
V
20
How to proceed
Now you have successfully set up your phone, you will want to adapt it to your personal
requirements. Use the following guide to quickly locate the most important subjects.
Information on ...... is located here.
First steps
Making and accepting calls page 29
Using the network directoriespage 39
Reading eMails and using info services and network
mailboxes
Changing the display keys used for quick access to
functions
Changing settings for phone operation: local area code,
external line prefix, dialling plans, voice quality etc.
Providing directoriespage 89
Providing info servicespage 88
Backing up configurationpage 94
If you have any questions about using your phone, please read the tips on
troubleshooting (
£ page 99) or contact our Customer Care team (£ page 99).
g
g
g
g
g
g
g
g
page 46
page 56
page 82
21
Operating information
N
Operating information
Light emitting diodes (LED)
LEDs on the DECT Manager
DECT
Power/LA
VoIP
CALL
RESET
Power/LAN VoIPDECTCALLDescription
OffOffOffOffNo power supply / No supply voltage
Flashes
(every two
seconds)
OnOffOffOffIP address assigned by DHCP, VoIP
OnFlashes
OnOnOffOffAll activated VoIP services
OnOnFlashes
OnOnOnOffAll registered base stations
OnOnOnOnAt least one active call
Flashes
(every two
seconds)
OffOffOffNo LAN connection or waiting for
(every four
seconds)
Flashes
(every two
seconds)
From top to bottom
Connection status to the base stations
Power supply status If the power supply is OK, the LED
indicates the LAN connection status.
VoIP connections status (activation and registration)
Active call display
Reset button (
OffOffAt least one VoIP service activated,
OffAt least one base station connected
(every four
seconds)
OffOffFirmware is being updated
£ page 24)
address to be assigned by the DHCP
server
service not (yet) available
waiting for SIP registration
successfully registered
connected
Other displays:
u The second LED from the top (Power/LAN) flickers when you are restoring the factory
settings to indicate that the resetting process will begin as soon as you release the
reset button (
u All LEDs light up for one second when the device has been successfully reset to static
IP addresses (
22
£ page 24).
£ page 25) or to DHCP (£ page 25).
Operating information
N
N
LEDs on the base stations
The Gigaset N720 IP PRO base stations contain two DECT modules with separate status
displays.
DECT 1
Power/LA
Power/LA
DECT 2
RESET
Power/LAN 1/2DECT 1/2Description
Off OffNo power supply / No supply voltage
Flashes (once a
second)
OnOffConnection established to DECT Manager,
Flashes (every two
seconds)
OnOnBase station DECT module ready, DECT
OnFlashes (every four
Flashes (every four
seconds)
Flashes (every four
seconds)
OffThe base station is looking for the DECT
OffFirmware is being updated, base station
seconds)
OnBase station DECT module overloaded, DECT
Flashes (every four
seconds)
From top to bottom
Status of DECT module 1
Power supply status If the power supply is OK, the LED
indicates the LAN connection status.
Status of DECT module 2
Reset button (
£ page 24)
Manager
base station service not yet ready
service not active
synchronised
Base station DECT module ready, DECT not
synchronised
synchronised
Base station DECT module overloaded, DECT
not synchronised
Other displays:
u The second LED from the top (Power/LAN) flickers when you are restoring the factory
settings to indicate that the resetting process will begin as soon as you release the
reset button (
Please note
You can deactivate the base station LED displays using the Web configurator on the
DECT Manager (
£ page 24).
£ page 93).
23
Operating information
Resetting the device settings
The devices have a reset button that you can
use to restore the default device settings.
This button is below the LEDs on the front of the
device.
Reset button
Resetting the device to factory
settings
Caution
This function resets all the settings you have made. The procedure deletes the saved
data from the base stations and handsets. The base station's assignment to the DECT
Manager is cancelled.
This operation is available on the DECT Manager and on the base stations.
¤ Disconnect the power supply.
¤ Press and hold the reset button.
¤ Reconnect the device to the mains power supply while the reset button is depressed.
¤ Release the reset button again when the second LED from the top (Power/LAN) starts
flickering.
The device is reset to the factory settings.
Please note
If the device is powered via PoE, you must remove the LAN cable to interrupt the
power supply.
Resetting the IP configuration and password
The two procedures described below reset the DECT Manager's IP configuration settings
and the password for registering on the DECT Manager.
You will need to use this function if you can no longer access the system, e.g., because you
have forgotten the password for the Web configurator or you are experiencing problems
accessing the LAN.
You can reset the IP configuration either to specific static IP addresses or to dynamic
addressing (DHCP). You will then be able to access the DECT Manager again and you can
change the password or LAN configuration if required (
All the LEDs on the DECT Manager light up for one second to confirm that the two
resetting processes have been activated successfully.
24
£ page 59).
Operating information
Resetting to static IP addresses
¤ Press the reset button and hold it for four seconds.
¤ Release the reset button.
¤ Press the reset button again for four seconds.
¤ Release it again.
The reset is carried out. The IP configuration is now set as follows:
ParameterValue for the reset
IP address typeStatic
IP Address DECT Manager192.168.143.1
Subnet mask255.255.0.0
Default Gateway192.168.1.1
Preferred DNS server, Alternate DNS server192.168.1.1
Password for access to the Web configuratoradmin
VLAN TaggingOff
Resetting to dynamic addressing (DHCP)
This allows you to specify that the DECT Manager will automatically receive an IP address
from a DHCP server in the local network.
¤ Press the reset button and hold it for four seconds.
¤ Release the reset button.
¤ Press the reset button for one second.
¤ Release it again.
¤ Press the reset button again for four seconds.
¤ Release it again.
The reset is carried out. The IP configuration is set as follows.
ParameterValue for the reset
IP address typeObtained automatically
Password for access to the Web configuratoradmin
VLAN TaggingOff
25
Operating information
Menu tree (handsets)
You use the functions of your Gigaset N720 DECT IP Multicell System via a registered
handset. The functions of the telephone system are added to the handset menu, as
shown below. Handset-specific functions, e.g., local directory or organiser, are not
described here. Information about this will be found in the relevant handset user guide.
The availability of functions or their designations may differ on individual handsets.
On some Gigaset handsets, you can choose between Simplified (standard mode) and
Complete (expert mode) menu views. Menu options that are only available in expert
mode are marked with the • icon.
To open the main menu: press v when the handset is in idle status:
Select Services
Ç
È Info Centre
Please note: The Info Centre on the Gigaset C610H handset can be found in the Additional
Features menu.
É
Additional
Features
Ê
Call Lists
Ë
Messaging
Ì
Voice Mail
Í
Organiser
 Contacts
Next Call Anon.£page 35
Call Divert
Call Waiting
Do Not Disturb
Ringback Off
Depending on the PABX, additional services may be
offered.
List of available info services £ page 52
See user guide for your handset.
All Calls£ page 44
Outgoing calls
Accepted calls
Missed calls
eMail £ page 48
Play Messages£ page 47
See user guide for your handset.
Directory
Net Directories
£ page 37
£ page 37
£ page 38 Only functions supported by the
£ page 33
PABX are av ailabl e.
£ page 44
£ page 44
£ page 44
Information on local directory: see
user guide for your handset.
List of available public and
corporate directories
£ page 39
26
Ï Settings
£ page 56 Default settings: see user guide for your handset.
Operating information
Understanding the operating steps
The operating steps have been shortened and are based on a Gigaset SL610H PRO
handset.
Example:
The display:
v¢ Ç Select Services ¢ Do Not Disturb (³ =on)
means:
¤ Press right on the control key v to open
the main menu.
Settings
È
Ç
Ë
Ê
Â
á
BackOK
Settings
Next Call Anon.
Call Divert
Call Waiting
Do Not Disturb
Ringback Off
BackChange
É
Ì
Ï
´
¤ Press right, left, down and up on the
control key
Services submenu.
p to navigate to the Select
¤ Press the display key §OK§ to confirm your
selection.
¤ Press down on the control key
Do Not Disturb menu option is
highlighted.
s
until the
¤ Press the display key §Change§ to activate/
deactivate the function.
27
Operating information
Settings
Next Call Anon.
Call Divert
Call Waiting
Do Not Disturb
Ringback Off
³
BackChange
The change is effective immediately and does
not need to be confirmed.
¤ Press the key below §Back§ to skip back to
the previous menu level.
Or
¤ Press and hold the end call key a to
return to idle status.
28
Making calls
You can make calls using any handset registered to your Gigaset N720 DECT IP Multicell
System. Prerequisite: You are located in the cell of at least one of the base stations
registered to the telephone system.
The cells of the base stations together form the DECT wireless network of the telephone
system. You can initiate or answer calls on a handset across the whole wireless network
and change cells during a call (handover). Prerequisite for handover: The base stations
involved must be assigned to the same cluster and must be synchronised (
Each handset is assigned a send and receive connection (£ page 76).
If your Gigaset N720 DECT IP Multicell System is connected to a PABX that permits the
formation of groups, VoIP connections can also be assigned to groups. In this case, you
will also receive calls on your handset that have been sent to your group number.
The Gigaset N720 DECT IP Multicell System uses a VoIP PABX or the services of a VoIP
provider for Internet telephony. The availability of some phone functions depends on
whether they are supported by the PABX/provider and whether they have been enabled.
If necessary, you can obtain a description of the services from the operator of your PABX.
Please note
Depending on the specifications of your PABX, you may need to dial an access code
for calls outside the area covered by your VoIP PABX (
Calling
~c Enter the number and press the talk key. The number is dialled.
Or:
c~ Press and hold the talk key c and then enter the number.
Instead of the talk key
make a call in speaker mode.
In this user guide, each of these variants is indicated by "Press the talk key
The dialled number is shown on the display.
c, you can also press the speaker key don the handset to
£ page 82).
c".
Making calls
£ page 67).
Please note
If you use VoIP to make a call to the fixed line network, you may also have to dial the
area code for local calls (depending on the PABX/provider). This is not necessary if the
area code is entered in the configuration on the DECT Manager and the Activating the area code for local calls using VoIP option is enabled (see Web configurator
£ page 83).
29
Making calls
Please note
u You can cancel the dialling process with the end call key a.
u You can see the duration of the call while the call is in progress.
u Dialling using the directories (£ page 39) or the call and redial lists (£ page 44)
saves you entering numbers repeatedly.
u If all the Gigaset N720 DECT IP Multicell System connections are busy, the error
message Operation failed! is displayed.
u If all connections to the base station connected to your handset are busy, ". . ." is
shown on the display. The idle display then appears again.
Displaying the phone number you are calling (COLP)
Prerequisites:
u Your PABX/provider supports COLP (Connected Line Identification Presentation). You
may need to activate COLP.
u The called party has not activated COLR (Connected Line Identification Restriction).
For outgoing calls, the phone number of the connection on which the call is received is
displayed on the handset.
The displayed number may differ from the number you have dialled. Examples:
u The called party has activated call divert.
u The call is answered by another connection within a PABX system.
If there is an entry in the directory for this phone number, the corresponding name is
displayed.
Please note
u The actual number of the connection you have reached (or the assigned name) is
displayed instead of the called number during call swapping and consultation
calls.
u When the phone number is copied to the directory and the redial list, the dialled
number (not the displayed number) is copied.
Ending a call
aPress the end call key.
30
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