NEC Univerge SV8100 Features And Specifications Manual page 1624

Issue 12.0
2. Press Hold to place the first trunk call on hold.
3. Place a second trunk call.
4. Hang up.
 This sets up an Unsupervised Conference with both outside parties.

The line keys for the trunks light solid red.
 To disconnect the Conference, use Forced Trunk Disconnect (i.e., Press line key +
Forced Trunk Disconnect in Program 11-10-26).
Single Line Telephone:
To set up a Tandem Call:
1. Place or answer first trunk call.
2. Press hookflash.
3. Place or answer second trunk call.
4. To set up the tandem call, hang up.

This sets up a Conference between both outside parties.

To disconnect the Conference, use Forced Trunk Disconnect [i.e., Dial the trunk access code (#9 + trunk
number) + 
Method D – Automatic Tandem Trunking Using Speed Dialing:
To set Automatic Tandem Trunking:
1. Dial service code 733 (or the service code set for Set Automatic Transfer per Trunk).
2. Dial the desired trunk number (Trunk Number: 001~200).
3. Hang up.

The line key for the trunk is solid red as long as the Unsupervised Conference continues.

To disconnect the Conference, use Forced Trunk Disconnect (i.e., Press the line key or #9 plus the trunk number +
 3).
To cancel Automatic Tandem Trunking:
1. Dial service code 734 (or the service code set for Disable Automatic Transfer per Trunk).
2. Dial the desired trunk number (Trunk Number: 001~200).
3. Hang up.
 To disconnect the Conference, Forced Trunk Disconnect (i.e., Press the line key or #9 plus the trunk number +
 3 or the service code set of Forced Trunk Disconnect in Program 11-10-26).
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3 or the service code set of Forced Trunk Disconnect in Program 11-10-26].

Tandem Trunking (Unsupervised Conference)
UNIVERGE SV8100
3 or the service code set of