Advanced Phone Features187To pick up an incoming call when the monitored phone is ringing:1. Press the intercom key.The incoming call of the target extension is answered on the IP phone.NoteMulticast PagingYou can use multicast paging to quickly and easily broadcast time sensitive announcements tousers who are listening to a specific multicast group and a specific channel. You can configure amulticast paging key or the paging list key on the phone, which allows you to send a Real TimeTransport Protocol (RTP) stream to the pre-configured multicast address(es) and channel(s)without involving SIP signaling. You can configure the phone to receive an RTP stream frompre-configured multicast listening address(es) and channel(s) without involving SIP signaling.You can specify up to 31 multicast listening addresses and channels.The following describes 31 paging 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.Sending RTP StreamTo configure a multicast paging key via phone user interface:1. Press Menu->Features->DSS Keys.2. Select the desired DSS key.3. Press or , or the Switch soft key to select Key Event from the Type field.4. Press or , or the Switch soft key to select Multicast Paging from the Key Typefield.5. (Optional.) Enter the string that will appear on the LCD screen in the Label field.If the directed call pickup code is not configured, the phone will place a call to the targetextension instead of picking up an incoming call of the target extension when you press theintercom key.
