NEC UNIVERGE SV9100 Features And Specifications page 1208

Program
Program Name/Description
Number
System Options for Transfer – Disconnect
24-02-10
Trunk-to-Trunk
Determine the time a conversation continues
after the timer in Program 24-02-07 expires. If
this option is set to 0, the conversation is
disconnected immediately. This program has
no affect if Program 24-02-07 is set to 0. One of
the trunks used must be an analog trunk (or
leased line).
System Timers for VRS/DISA – Long
25-07-07
Conversation Warning Tone Time
Determine the time a DISA caller or any
trunk-to-trunk (such as Tandem Trunking)
conversation can talk before the Long
Conversation tone is heard.
System Timers for VRS/DISA – Long
25-07-08
Conversation Disconnect Time
Determine the time the system waits before
disconnecting a DISA or any trunk-to-trunk
(such as Tandem Trunking) conversation call
after the Long Conversation tone is heard.
Service Tone Setup – Basic Tone Number
80-01-02
(35)
Edit the warning service tone in the system.
Operation
Method A – Tandem Trunking from Conference
To set up a Tandem Call:
1. Place or answer first trunk call.
2. Press Conf softkey.
3. Place or answer second trunk call.
4. To set up the tandem call, press Conf twice.
 This sets up a Conference between you and both outside parties.
5. Press Transfer.
- OR -
Press Hold and dial
in Program 11-12-57.
 The line keys for the trunks blink green as long as the Unsupervised Conference continues.
To end the Tandem Call:
1. Press either flashing line key.
 The line keys light steadily (green). You can listen (i.e., monitor) to the call or rejoin the conversation,
based on the setting in Program 20-13-10.
or the service code set for Unsupervised Conference/Tandem Trunking
753
1208
Input Data
0 ~ 64800 seconds
0 ~ 64800 seconds
0 ~ 64800 seconds
1 ~ 33
0 = No Tone
33 = Default Time Slot
Default
0
3600
10