Using Your Phone with SIP/Cloud Account1132. Make the desired changes.3. Tap the Save soft key to accept the change or the Back soft key to cancel.These specific parameters are configurable via web user interface at the pathFeatures->Intercom.Using IntercomTo place an intercom call when the target phone is idle:1. Tap the intercom key when the phone is idle.The called destination plays a warning tone and automatically answers the call in thehands-free (speakerphone) mode by default.2. Tap or the End Call soft key, to end the intercom call.Multicast PagingYou can use multicast paging to quickly and easily broadcast time sensitive announcements topeople who are listening to a specific multicast group and a specific channel. You can configurea paging key or paging list key on the phone, which allows you to send a Real Time TransportProtocol (RTP) stream to the pre-configured multicast address(es) and channel(s) withoutinvolving SIP signaling. You can configure the phone to receive an RTP stream from pre-configured multicast listening address(es) and channel(s) without involving SIP signaling. Youcan specify up to 31 multicast listening addresses and channels.Yealink IP phone supports the following 31 channels: 0: You can broadcast audio to channel 0. Note that the Yealink IP phones running oldfirmware version (old paging mechanism) can be regarded as listening to channel 0. It isthe default channel. 1 to 25: You can broadcast audio to a specific channel. We recommend that you specifythese channels when broadcasting with Polycom IP phones which have 25 channels youcan listen to. 26 to 30: You can broadcast audio to a specific channel. We recommend that you specifythese channels when broadcasting with Yealink IP phones running new firmware version(new paging mechanism).The IP phones will automatically ignore all incoming multicast paging calls on the differentchannel.
