Defining Local Communication Ports For Voip; Defining Dialling Plans - Gigaset C450 IP Manual

Defining local communication
ports for VoIP
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Open the following Web page:
¢
Settings Telephony
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Advanced Settings.
In the
Listen Ports for VoIP Connections
specify which local ports the telephone is
to use for VoIP telephony. The ports must
not be used by any other subscriber in the
LAN.
SIP port
Specify the local communication port
that the phone should use to send and
receive signalling data. Specify a
number between 1024 and 49152. The
default port number for SIP signalling is
5060.
RTP port
Specify the local communication port
that the phone should use to send and
receive voice data. Enter an even
number between 1024 and 49152. The
port number must not be the same as
the port number in the
If you enter an odd number, the even
number just below it will be set
(e.g. if you enter 5003, 5002 is set).
The default port number for voice
transmission is 5004.
Use random ports
Click on the option if you do not
Yes
want the phone to use fixed ports for
SIP port and RTP port, but rather to use
any free ports.
The use of random ports makes sense if
you want several phones to be oper-
ated on the same router with NAT. The
phones must then use different ports
so that the router's NAT is only able to
forward incoming calls and voice data
to one (the intended) phone.
If you click on No, the phone will use
the ports specified in
port.
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Now click on
Set
area,
SIP port field.
SIP port and RTP
to save your settings.

Defining dialling plans

You can define user-specific dialling plans
for your phone.
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Open the following Web page:
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Telephony
Setting Area Code Predialling:
In VoIP calls you must generally always
dial the area code – even for local calls.
You can save the annoying need to dial the
area code for local calls by activating the
Area Code Predialling
the area code entered is then prefixed to
all numbers that do not start with 0 – even
when dialling numbers from the directory
and other lists.
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Enter your area code in the
field, e.g. 089.
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Click on the option next to
Yes
area code for local calls through VoIP
activate the function.
If you click on
No
area code even for local calls via VoIP.
Numbers in the directory must always
contain the area code for dialling via
VoIP.
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Click on to save the settings.
Set
Please note that if the option is activated, the
area code is prefixed to all phone numbers that
do not start with 0 and are dialled via VoIP.
This is especially the case for numbers of the
network answer machine (page 39) and,
if the Emergency calls always via fixed line
is deactivated (see below), for emergency
numbers.
Web configurator
Settings
Dialing Plans.
function. In VoIP calls,
Area Code
Predial
to
you must enter the
option
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