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9 Advance Function
9.1 Intercom
When the Intercom is enabled, it can automatically receive calls from the intercom.
Picture 51 - Web Intercom configure
Table 11 - Intercom configure
Parameter
Description
Enable Intercom
When intercom is enabled, the device will accept the incoming call
request with a SIP header of Alert-Info instruction to automatically
answer the call after specific delay.
Enable Intercom Mute Enable mute mode during the intercom call
Enable Intercom Tone If the incoming call is intercom call, the device plays the intercom tone
Enable Intercom Barge
Enable Intercom Barge by selecting it, the device auto answers the
intercom call during a call. If the current call is intercom call, the device
will reject the second intercom call
9.2 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 device, 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 device to receive an RTP stream from pre-configured multicast
listening address without involving SIP signaling. You can specify up to 10 multicast listening
addresses.