NEC DSX Software Manual

Tandem Calls / Unsupervised Conference
DSX Software Manual Features ◆ 341
Features
Tandem Calls / Unsupervised Conference
Description
Tandem Calls allows an extension user to join two outside callers in a line-to-line conference. The extension
user can then drop out of the call, leaving the lines in an Unsupervised Conference. The extension user that
established the Conference is not part of the conversation. The Conference continues until either outside
party hangs up.
Tandem Calls uses a Conference circuit. The following table shows the system’s Conference capacities:
The system’s 32 Conference circuits are dynamically allocated as users request them.
Conditions
• None
Default Setting
• Tandem Calls are disabled.
Programming
1. If yes, 3103-04: Tandem Calls (page 816) enter Yes.
2. If no, 3103-04: Tandem Calls (page 816) enter No.
1. In 2102-01: Class of Service (page 724), check the extension’s Class of Service level.
2. If yes, in 1411-05: Unsupervised Conference (page 648) enter Yes.
3. If no, in 1411-05: Unsupervised Conference (page 648) enter No.
Join two callers in Conference, leave the call and let their conversation continue.
Description Capacity
Conference circuits 32
Maximum simultaneous users in Conference
(total of all Conferences system-wide)
32
Maximum simultaneous conferences 8
Maximum parties in any one Conference
(lines and/or extensions)
8
1. Should a line have the capability to be included in a Tandem Call?
2. Should extension be able to set up a Tandem Call?

NEC DSX Specifications