ZyXEL Communications ISG50 User Manual

 Chapter 27 Global PBX Settings

ISG50 User’s Guide

Each field is described in the following table.

Peer-to-peer calls can be made through the ISG50, but with certain limitations:

Peer-to-peer calls can be made between any devices on the LAN if they belong to a subnet listed in 
the same localnet table.    

Peer-to-peer calls can be made between devices on the WAN if neither device belongs to a subnet 
listed in the localnet table.     

Configuration > PBX > Global > Peer to Peer > Add

IPv4 subnet in 
CIDR format

Enter an IPv4-compatible IP address in this field then select the length of the subnet 
mask from the list. This option defines a subnet for which the ISG50 can set up peer-to-
peer networking.

OK

Click OK to save your customized settings and exit this screen.

Cancel

Click Cancel to exit this screen without saving.