Defining Recall Key Functions For Voip (Hook Flash); For Voip - Siemens Gigaset C470 IP Manual

Defining recall key functions for VoIP (hook flash)

Defining recall key functions for VoIP (hook flash)
Your VoIP provider may support special performance features. To make use of these fea-
tures, your phone needs to send a specific signal (data packet) to the SIP server. You can
assign this "signal" to your phone's recall key.
If you press the recall key during a VoIP call the signal will be sent to the server.
¤
Open the following Web page:
¤
Enter the data you received from your VoIP provider into the fields
Application Signal
¤
Now click
Set
The setting for the recall key applies to all registered handsets.
Defining local communication ports for VoIP
¤
Open the following Web page:
In the
Listen ports for VoIP connections
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 sig-
nalling 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 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
est even number will be selected automatically (e.g. you enter 5003, then 5002 is set
automatically). The default port number for voice transmission is 5004.
Use random ports
Click if you do not want the phone to use fixed ports for
Yes
rather to use any free ports.
The use of random ports makes sense if you want several phones to be operated 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 No, the phone will use the ports specified in
¤
Now click
Set
VoIPon www.voipon.co.uk
Settings
in the Hook Flash
to save your settings.
Settings
area, specify which local ports the telephone is to use
SIP port
to save your settings.
sales@voipon.co.uk
¢ ¢
Telephony
area.
¢ ¢
Telephony
field. If you enter an odd number, the next low-
Tel: +44 (0)1245 808195
Web configurator
Advanced Settings.
Application Type
Advanced Settings.
and
SIP port RTP
SIP port and RTP port.
Fax: +44 (0)1245 808299
and
port, but
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