NEAX2400 IPX ISDN Features and Specifications
NDA-24311, Issue 1 Page 65
Incoming ISDN Call to Tie Line Connection - PRI I-25
I-25 Incoming ISDN Call to Tie Line Connection - PRIGeneral Description
This feature permits an Attendant to connect an incoming ISDN network call, via a Tie line, to a s tat ion at a distant
PBX.
Operating Procedure
To connect an incoming call
1. The Attendant presses the LDN key and an swers the incoming PRI trunk call.
2. Dial the Tie Line access code; receive dial tone from distant PBX (in the case of 2nd dial tone signaling).
3. Dial the distant PBX extension number.
4. Press the RELEASE key.
5. The Tie Line and trunk call are connected.
Service Conditions
1. The Attendant can connect a trunk and Tie line call either before or after the distant station goes off -hook.
2. There is no limitation on the number of incoming trunks that can be connected to Tie lines using this
feature.
3. TRUNK-TO-TRUNK CONNECTION [T-10] can significantly degrade transmission quality.
4. TRUNK-TO-TRUNK CONNECTION [T-10] can be restricted through route restriction assignments.
5. AUTOMATIC RECALL [A-8] is denied on INCOMING ISDN CALL TO TIE LINE CONNECTION -
PRI.
6. Since AUTOMATIC RECALL [A-8] cannot be initiated by a trunk, the ATTENDANT LOCKOUT [A-5]
feature is automatically disabled to allow the Attendant to reenter TRUNK-TO-TRUNK CONNECTION
[T-10] calls held on the ATTENDANT CONSOLE [A-3].
7. Disconnect supervision can be automatic in some cases; but in others, the Attendant must monitor the
connection and manually disconnect after use.