User Guide for the SIP-T41P IP Phone1002. Select the desired value from the pull-down list of Paging Barge.3. Select the desired value from the pull-down list of Paging Priority Active.4. Enter the multicast IP address(es) and port number (e.g., 224.5.6.20:10008) whichthe phone listens for incoming RTP multicast in the Listening Address field.5. Enter the label in the Label field.Label will appear on the LCD screen when receiving the multicast RTP stream.6. Click Confirm to accept the change.NoteMusic on HoldMusic on hold (MoH) is the business practice of playing recorded music to fill the silencethat would be heard by the callers who have been placed on hold. To use this feature,you should specify a SIP URI pointing to a Music on Hold Server account, when placinga call on hold, the phone will invite this SIP URI to the Music on Hold Server account. TheMusic on Hold account automatically answers to the SIP INVITE messages andimmediately plays audio from some source located anywhere (LAN, Internet) to theheld party. Contact your system administrator for the SIP URI.To configure music on hold server via web user interface:1. Click on Account.2. Select the desired account from the pull-down list of Account.The multicast IP addresses range from 224.0.0.0 to 239.255.255.255.The priorities of listening addresses are predefined: 1 with the highest priority, 10 with thelowest priority.Both the multicast paging sender and the receiver will play a warning tone whenpressing the multicast paging key.