User guide

TALKSWITCH CONFIGURATION 193
1. Choose Troubleshooting > Extensions > IP Extensions. The IP Extensions
window appears.
2. Select the Internal IP extension registration interval, which is the interval for registration
messages from IP extensions within the office. Choices range from 2 minutes to 60 minutes.
3. Select the External IP extension registration interval, which is the interval for registration
messages from IP extensions that are remotely located outside the office. Choices range from
15 seconds to 60 minutes.
4. The default Starting SIP port is 5000. If required, enter a different port ranging from 1024
to 65535.
5. The default Starting RTP port is 4000. If required, enter a different port number ranging from
1024 to 65535.
6. The default HTTP port is 8484. If required, enter a different port number ranging from 1024
to 65535. If your system will use a TalkSwitch IP phone as an external IP extension, ensure
the router maps this port to the TalkSwitch unit acting as local proxy.
Fax Detection
The Fax Detection command allows you to set up detection of Fax Over IP and CNG tones.
Do not adjust these settings unless advised to do so by your local dealer or technical support
centre. If your system does not appear to be functioning correctly, please contact your local
dealer or technical support centre for assistance.