NEC DSX-40 Feature Handbook page 166

Tandem Calls / Unsupervised Conference
a. Press the line key for the busy line.
Press INTERCOM and dial the line's Direct Line Access code (e.g., 101 for line 1).
b.
• See Direct Line Access (page 42) for more.
Dial # to disconnect the Tandem Call.
2.
To Barge In on a Tandem Call:
1. Do one of the following.
a. Press the line key for the busy line.
Press INTERCOM and dial the line's Direct Line Access code (e.g., 101 for line 1).
b.
• See Direct Line Access (page 42) for more.
Dial 4 .
2.
• You hear two beeps and you join the Tandem Call.
To place a Tandem Call on Hold (after Barging In):
Press HOLD .
1.
• The tandem callers hear Music On Hold (if installed) while they wait on Hold.
• While on Hold, the tandem callers cannot talk to each other.
To rejoin a Tandem Call you have Placed on Hold:
1. Press CONF .
Setting up a Tandem Call at a Single Line Telephone
To set up a Tandem Call at a single line telephone:
Establish an outside call.
1.
2. Hookflash and establish another outside call.
3. Hookflash and dial #10 to set up a three-way Conference.
Hang up.
4.
• If the outside parties disconnect, the lines you selected or your extension does not have Tandem Call capability.
Using Line-to-Line Transfer to set up a Tandem Call
To set up a Tandem Call via line-to-line Transfer:
1. Place or answer an outside call.
Press TRANSFER .
2.
3. Place or answer another outside call.
4. Hang up to set up a Tandem Call between your initial call and new call.
158 ◆ Features
Disconnecting a Tandem Call
Barging in on a Tandem Call
In these instructions:
[Super Display Soft Key]
[Keyset Soft Key]
In these instructions:
[Super Display Soft Key]
[Keyset Soft Key]
In these instructions:
[Super Display Soft Key]
[Keyset Soft Key]
In these instructions:
[Super Display Soft Key]
[Keyset Soft Key]
DSX Feature Handbook