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2.7 Trunk to Trunk Restriction
Used to allow or restrict the trunk-to-trunk relay function (routing a trunk call from one Trunk
Group to another) on a trunk group basis.
Please refer to "TIE Line Network - Alternate Routing" in Section "3.1 E&M Features" of the
Features Guide for further information.
Parameter
Default
Value Range
Description/Function
Reference
Parameter
Default
Value Range
Description/Function
Reference
System
Source Trunk Group No.
1
1-48
Specifies the source trunk group (the first point of trunk-to-trunk
relay) number which you are going to programme.
• 3.1 E&M Features (F/G)
– E&M (TIE) Line Service
Destination Trunk Group No. (1-48)
No check
1.
No check [Restricted]
2.
Check [Not restricted]
Specifies the destination trunk group (the second point of trunk-to-
trunk relay) number which you allow to accept a trunk call from the
source trunk group.
• 3.1 E&M Features (F/G)
– E&M (TIE) Line Service
2.7 Trunk to Trunk Restriction
77
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