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System Planning Forms and Guidelines
Example
In our example, extensions 1100-1105, 2100-2105, 3100-3105 and 4100-
4105 can make unrestricted day network calls and are therefore assigned a
TRS 7. Extensions 1106 and above, 2106 and above, 3106 and above, and
4106 and above are limited to making local calls via a remote network node.
These extensions are assigned to Day TRS type 3. Only local calls via
network nodes are allowed at night.
Table 2-51 through Table 2-54 lists our example TRS Restrictions for
Extensions Calls to Outgoing Network Trunk Groups.
Table 2-51. Example DBS 1 Extension to Outgoing Network Trunk Group TRS Assignments
Ext. No.
1100
1100
1101
1101
1102
1102
1103
1103
1104
1104
1105
1105
1106
1106
1107
1107
1108
1108
1109
1109
1110
1110
1111
1111
Page 46
Network Trunk
Day TRS Type (0-7)
Group # (1-3)
1
7
2
7
1
7
2
7
1
7
2
7
1
7
2
7
1
7
2
7
1
7
2
7
1
3
2
3
1
3
2
3
1
3
2
3
1
3
2
3
1
3
2
3
1
3
1
3
T1 Networking - Revised April 2000
System Planning
Night TRS Type (0-7)
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
DBS-2.3/9.2-540
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