758 Matrix ETERNITY NE System Manual
• A, B and C are in speech. When A disconnects, either B and C are also disconnected or speech is
established between them depending on the option you select in If Extension creating 3 party
conference, disconnects during Conference in the System Parameters.
• The Conference can be broken only by the Extended IP Phone that has initiated the Conference.
• If a call put on hold is to be included in a Conference, it must be retrieved first.
• If all the parties to the conference are SIP Extensions/Trunks and if the initiator of the Conference goes
on-hook during the conference, the other parties will still remain in conversation. This is known as
Transfer on Conference Hang-up.
How to configure
For this feature to work, the 'Conference' feature must be enabled in the Class of Service group of the extensions
that are to be allowed this feature.
For confidential conference to be established by Operator (Assistant), you must:
• Enable Play beeps when Assistant present in 3-Party Conference check box. See “System
Parameters”, for instructions.
• Enable Play beeps when Assistant leaves the Conference check box. See “System Parameters”, for
instructions.
• Configure the desired interval time in Conference – Assistant Present Beep Interval (sec). See “System
Timers and Counts”.
• Make sure you select Station Type as Assistant for the Operator Extension. For instructions, see See
“SLT Extensions” and “SIP Extensions” under “Basic Settings”.
If extension users at remote locations are to be allowed to initiate the 3-party conference, “Direct Inward System
Access (DISA)” or “Auto Attendant” must be enabled on the trunk on which their call lands.
3-Party Conference in Class of Service
By default, Conference is enabled in the CoS assigned to all the extensions of SARVAM UCS. So, all extensions of
SARVAM UCS can make conference calls.
If you want to deny 3-Party Conference to selected extensions, follow these steps:
1. Click SLT Extensions and select the particular SLT extension.
2. Click the Class of Service of this SLT extension.
3. Clear the Conference check box to disable/deny 3-Party Conference on that SLT extension.
Similarly, you can deny 3-Party Conference to SIP Extensions.
Refer Class of Service under “SLT Extensions” and “SIP Extensions” for detailed instructions.
The 'Conference' feature in the Class of Service also includes Dial-In and Multi-party Conference.
Extensions that are denied 'Conference' in their Class of Service will not be allowed all three types of
conferences - 3-Party, Dial-In and Multi-party Conference.
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