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Incoming Central Office Call to Tie-Line
General Description
This feature permits an Attendant to connect an incoming public network exchange call, via a TIE Line,
to a station at a distant PBX.
Operating Procedure
To connect an incoming call:
1.
The Attendant presses the "LDN" key and answers the incoming trunk call.
2.
Dial the TIE Line access code; receive Dial Tone from distant PBX.
3.
Dial the distant PBX extension number.
4.
Press the "RLS" key.
5.
The TIE Line and Central Office call are connected.
Service Conditions
1.
The Attendant can connect a trunk and TIE Line call either before or after the distant station
answers.
2.
There is no limitation on the number of incoming trunks that may be connected to TIE Lines using
this feature.
3.
TRUNK-TO-TRUNK CONNECTION [T-10] may significantly degrade transmission quality.
4.
TRUNK-TO-TRUNK CONNECTION [T-10] can be restricted through Alternative Route
restriction assignments.
5.
AUTOMATIC RECALL [A-8] is denied on INCOMING CENTRAL OFFICE CALL TO TIE Line
CONNECTION.
6.
Since AUTOMATIC RECALL [A-8] cannot be initiated by a trunk, the ATTENDANT LOCKOUT
[A-5] feature is automatically disabled in order to allow the Attendant to reenter TRUNK-TO-
TRUNK CONNECTION [T-10] calls held on the ATTENDANT CONSOLE [A-3].
7.
This feature is applicable to the following types of incoming CO calls:
FX
WATS
CCSA
DID (Direct Inward Dialing)
COT (Ring Down/Loop Start)
8.
Loop-start CO trunks can be connected to tie trunks since release supervision is provided by the
tie trunks.
9.
When release signal is not provided by TIE Line trunk, the Attendant must monitor the
connection and manually disconnect after use.
Interactions
1.
The Attendant Console must first be programmed.
2.
For TIE Line route to Central Office route connection, the reverse must be programmed.
However, program for ARI-D-RES, Direct connection. This connection may also be Toll
Restricted by using the ATDP command.
NEAX2400 ICS Business Features and Specifications
NDA-24143, Issue 4
Incoming Central Office Call to Tie-Line Connection
Connection
I-3
Page 269
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