User's Manual 9. Configuring VoIP Parameters
Version 4.4.3 105 MP-20x Multimedia Home Gateway
9.8 Configuring Line Extensions
Extensions are the physical telephony extensions on the device. These can be FXS ports
(for analog POTS telephones). Once you have defined these lines, you can do the
following:
Define an arbitrary name for each extension (to help you identify the extension).
Activate registration of the lines with the proxy server
Notes:
To verify successful registration with a SIP proxy server, you can check the following
indications:
• The Phone LED is lit green
• On the Voice over IP tab screen (System Monitoring menu), the ‘SIP Registration’
field displays “Registered” for the configured lines (see Section 21.3.4 on page 340).
To configure line extensions:
1. On the 'Voice Over IP' screen, click the Extension Settings tab; the following screen
appears.
Figure 9-9: Extension Settings Tab Screen
2. For each line extension, click the corresponding Edit icon to define a name for the
extension; the following screen appears:
Figure 9-10: Extension Settings Screen
3. Click OK to save your settings.