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8 Advance Function
8.1 Intercom
When there is an intercom call, the device can answer it automatically.
Figure 11 - WEB Intercom
Table 3 - Intercom
Parameters
Description
Enable intercom
When the intercom system is enabled, the device will accept the
SIP header Call-Info of the incoming call request
Instruction to answer the phone automatically
Enable intercom
barge
Automatically answer the call in intercom mode during the call, if
the current call is in intercom mode
Mode, refuse to answer the new intercom mode
Enable intercom
Mute
Turn on the mute function during an intercom mode call
8.2 MCAST
This feature allows user to make some kind of broadcast call to people who are in multicast group.
User can configure a multicast DSS Key on the phone, which allows user to send a Real Time
Transport Protocol (RTP) stream to the pre-configured multicast address without involving SIP
signaling. You can also configure the phone to receive an RTP stream from pre-configured multicast
listening address without involving SIP signaling. You can specify up to 10 multicast listening
addresses.