System
Programming Guide 91
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" of Section "3.1 TIE Line Features" in
the Features Guide for further information.
Parameter Source Trunk Group No.
Default 1
Value Range 1-48
Description/Function Specifies the source trunk group (1-48), the first point of trunk-to-
trunk relay, which you are going to programme.
Reference • 3.1 TIE Line Features (F/G)
– TIE Line Service
Parameter Destination Trunk Group No. (1-48)
Default No check
Value Range
1. No check [Restricted]
2.
Check [Not restricted]
Description/Function Specifies the destination trunk group (1-48), the second point of
trunk-to-trunk relay, which you allow to accept a trunk call from
the source trunk group.
Reference • 3.1 TIE Line Features (F/G)
– TIE Line Service
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