Configuring Advanced Features5197. (Optional.) Enter the string that will appear on the touch screen in the Label field.8. Enter the multicast IP address and port number in the Value field.9. Enter the desired channel in the Channel field.10. Tap to accept the change.To configure a paging list key via phone user interface:1. Tap Settings->Features->DSS Keys.2. Tap the desired DSS key.3. Tap the Type field.4. Tap Key Event in the pop-up dialog box.5. Tap the Key Type field.6. Tap Paging List in the pop-up dialog box.7. (Optional.) Enter the string that will appear on the touch screen in the Label field.8. Tap to accept the change.Receiving RTP StreamIP phones can receive an RTP stream from the pre-configured multicast address(es) withoutinvolving SIP signaling, and can handle the incoming multicast paging calls differentlydepending on the configurations of Paging Barge and Paging Priority Active.Paging BargeThis parameter defines the priority of the voice call in progress, and decides how the IP phonehandles the incoming multicast paging calls when there is already a voice call in progress. If thevalue of the parameter is configured as disabled, all incoming multicast paging calls will beautomatically ignored. If the value of the parameter is the priority value, the incoming multicastpaging calls with higher or equal priority are automatically answered and the ones with lowerpriority are ignored.Paging Priority ActiveThis parameter decides how the IP phone handles the incoming multicast paging calls whenthere is already a multicast paging call in progress. If the value of the parameter is configured asdisabled, the IP phone will automatically ignore all incoming multicast paging calls. If the valueof the parameter is configured as enabled, an incoming multicast paging call with higher priorityor equal is automatically answered, and the one with lower priority is ignored.
