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System Planning Forms and Guidelines
A network DBS may restrict outside calls originating at a distant DBS by
assigning a TRS type for the incoming Network Trunk Group.
Enter the TRS Restrictions for Calls from incoming Network Trunk Groups
to Outgoing CO Trunks in Table 2-47 through Table 2-50
Table 2-47. DBS 1 Incoming Network Trunk Group to CO TRS Assignments
Network Trunk
Group No.
Page 42
CO Trunk
Day TRS Type (0-7)
Number
T1 Networking - Revised April 2000
System Planning
Night TRS Type (0-7)
DBS-2.3/9.2-540
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