3Com VCX V7122 SIP, User Manual

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3Com VCX V7122/SIP VoIP Gateway User Manual
Figure 40
Miscellaneous Parameters
Trunk Group Table
Trunk Group table is used to define groups of Gateway's E1/T1 B-channels, called Trunk
Groups, for routing IP
Æ Tel calls with common rules. Channels which are not defined are
disabled.
To set the Trunk Group table, follow these steps:
1
On the sub-menu bar on the top, click Trunk Group . The Trunk Group screen opens.
2
Define the Trunk Groups.
Figure 41
Trunk Group Table
In this example, trunk group number 1 is composed of B-channels from the first and the
second E1 spans. While trunk group number 2 is composed of B-channels from the third
E1 trunk. In this example trunks 4-8 are disabled.
3
Click Submit and then reset the Gateway using the Reset button.
Number Manipulation Tables
Manipulation Tables define four manipulation tables used to modify destination and source
numbers in IP
Æ Tel and Tel Æ IP directions. Manipulation table for IP Æ Tel calls is shown in
Figure 42 .