Advanced Phone Features1717. Select the desired channel to listen from the pull-down list of Channel.8. Click Confirm.NoteUsing Multicast PagingSending RTP Stream via a Multicast Paging KeyProcedure:1. Press the multicast paging key when the phone is idle.The phone sends RTP to a preconfigured multicast address (IP: Port).Both the sender’s and receiver’s phones play a warning tone and the multicast RTP sessionwill be automatically answered on the receiver’s phone in the hands-free (speakerphone)mode. The multicast paging key LED glows green.The following figure shows a multicast RTP session on the phone:The priorities of listening addresses are predefined: 1 with the highest priority, 31 with the lowest.
