Sigma System New Sigma Conferencing Program allows for up to 240 conferences each being configurable from 2 to 240 seats.

Sigma, the new version of Sigma System Conferencing, maintains all of the features in the previous versions which include:
Using the mouse to “Grab” a caller and move him from one conference to another.
The ability to mute callers using the right click to bring up the Conference Action menu.
Using the Conference Action menu you can make one of the callers a “Coach”.
You can record all of the voice in any conference that you desire by assigning one of the seat resources as “Record”.