ZyXEL Communications ISG50-ISDN User Manual page 139

The SIP extensions display in the Edit Authority Group Basic screen. Click OK.
5
Keep a list of the SIP passwords (the Prefix + Extension Number + Postfix combinations).
6
When you deploy the network's IP phones, you will need this information for SIP registration. See
Section 8.1.2 on page 140
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
60 on page 757
If the IP phone is a snom or snom-compatible SIP client, use
7
SIP extensions to your network's SIP devices.
ISG50 User's Guide
for information on configuring your IP phones.
for more information.
Chapter 8 PBX Tutorials
Section 8.2 on page 141
Chapter
to map the
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