NEC XN120 Feature Manual page 184

Features
Tandem Trunking Method B - Tandem Trunking on Hang up
Ø 10-07-01 : Conversation Record Circuits
Ø 14-01-04 : Basic Trunk Data Setup – Transmit Gain Level for Conference and Transfer Calls
Ø 14-01-05 : Basic Trunk Data Setup - Receive Gain Level for Conference and Transfer Calls
Ø 14-01-13 : Basic Trunk Data Setup - Loop Disconnect Supervision
Ø 15-07-01 : Programming Function Keys
Ø 20-06-01 : Class of Service for Extensions
Ø 20-07-11 : Class of Service Options (Administrator Level) - Forced Trunk Disconnect
Ø 20-13-08 : Class of Service Options (Supplementary Service) - Conference
Ø 20-13-10 : Class of Service Options (Supplementary Service) - Barge In Mode
Ø 20-11-14 : Class of Service Options (Hold/Transfer Service) - Trunk-to-Trunk Transfer
n Related Features
Ø Central Office Calls, Answering / Central Office Calls, Placing
Ø Conference, Voice Call
Ø Meet Me Conference
Ø Meet Me Paging
n Operation
Method A - Tandem Trunking from Conference
To set up a Tandem Call:
1. Place or answer first trunk call.
2. Press CONF key.
3. Place or answer second trunk call.
4. To add more calls to the tandem call, repeat from Step 2. or to set up the tandem call, press CONF
key twice.
This sets up a Conference between you and both outside parties.
5. Press Transfer key (PGM 15-07 or SC 851: 06).
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.
2. Press SPK or Hang up.
If Program 20-13-10 is set to "0", the Conference ends and the line keys go out.
If Program 20-13-10 is set to "1", to disconnect the Conference, you must use Forced
Trunk Disconnect (i.e., Press the line key + 724).
Method B - Tandem Trunking on Hang up
To set up a Tandem Call:
1. Place or answer first trunk call.
2. Press HOLD to place the first trunk call on Hold.
3. Place or answer second trunk call.
4. Press Transfer key (PGM 15-07 or SC 851: 06) or hang up.
This sets up an Unsupervised Conference with both outside parties.
The line keys for the trunks light steadily (red).
To disconnect the Conference, use Forced Trunk Disconnect (i.e., Press line key + 724).
Features Manual
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