Installation and Configuration Manual 4. Configuring the Enhanced Media Gateway
SBA for Microsoft Lync 75 December 2010
4.6 Defining E1/T1/BRI Trunk Settings
The 'Trunk Group Table' page allows you to enable the Media Gateway’s channels by assigning
them telephone numbers and other attributes (e.g., Trunk Groups and Profiles). Trunk Groups are
used for routing IP-to-Tel calls with common rules. Channels that are not defined are disabled.
4.6.1 Configuring the Trunk Group Table
The procedure below configures Trunk Groups.
¾ To configure the Trunk Group table:
1. Open the 'Trunk Group Table' page (Configuration tab > Protocol Configuration menu >
Trunk Group submenu > Trunk Group).
Figure 4-20: Trunk Group Table Page
2. Configure the Trunk Group Table as follows:
a. In the 'Module' column, select the module type (i.e., FXS/FXO/BRI/PRI) for which you
want to define the Trunk Group.
b. In the ‘From Trunk' and 'To Trunk' columns, select the starting and the ending physical
Trunk number in the Trunk Group. (Applicable only to PRI and BRI modules.)
c. In the ‘Channel(s)’ column, enter the Media Gateway’s channels or ports (analog
module), or Trunk B-channels (digital module, i.e. 1-31).
d. Enter the phone number (e.g., 1000) for the first channel in the 'Phone Number' column.
Phone numbers 1001, 1002, 1003 and so on are sequentially assigned to subsequent
channels (i.e., 2 through 31).
e. In the ‘Trunk Group ID’ column, enter the Trunk ID (i.e. 1).
3. Click Submit to save your changes.
4. Save the changes to flash memory, by clicking the Burn button on the toolbar.
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