Chapter 8 PBX Tutorials
ISG50 User’s Guide
139
5 The SIP extensions display in the Edit Authority Group Basic screen. Click OK.
6 Keep a list of the SIP passwords (the Prefix + Extension Number + Postfix combinations).
When you deploy the network’s IP phones, you will need this information for SIP registration. See
Section 8.1.2 on page 140 for information on configuring your IP phones.
The extension number serves as the password the user uses to log into the ISG50 to configure his
extension’s call forwarding, call blocking, phonebook, voice mail, and other settings. See Chapter
60 on page 757 for more information.
7 If the IP phone is a snom or snom-compatible SIP client, use Section 8.2 on page 141 to map the
SIP extensions to your network’s SIP devices.