Fanvil i504 Series, User Manual, Page: 28 / 95

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Configuration parameters:
6.2 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.
Users can configure multicast listening address and port on the web page of [Intercom
Settings]>> [Multicast] .
Configuration parameters:
Parameters Description
Priority
Defines the priority in the current call, with 1 being the highest
priority and 10 the lowest.
Mcast Listening Renew
Time(s)
Set the interval for re-listening to multicast after interrupting
the listening.
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 phone plays the intercom tone
Enable Intercom
Barge
Enable Intercom Barge by selecting it, the phone auto answers the intercom
call during a call. If the current call is intercom call, the phone will reject the
second intercom call