| Advanced Phone Features | 682. Select a desired item.3. Tap > Delete.The phone screen prompts you are sure to delete.4. Select OK.If you want to delete all target extension numbers, you can select Delete All.Placing an Intercom CallYou can place an intercom call when the phone is idle or during a call. The target phone plays a warning tone andautomatically answers the call in speakerphone (hands-free) mode by default. When the target phone has an activecall, the intercom call is answered automatically after the active call ends.Procedure1. Do one of the following to enter the intercom list:• When the phone is idle, tap or navigate to Menu > Setting > Features > Intercom List.• During a call, navigate to More > Intercom.2. Tap the desired item.Multicast PagingYou can use multicast paging to quickly and easily broadcast time-sensitive announcements to users who are listeningto a specific multicast group. You can configure the paging list on the phone, which allows you to send a Real TimeTransport Protocol (RTP) stream to the pre-configured multicast address(es) without involving SIP signaling. You canconfigure the phone to receive an RTP stream from pre-configured multicast listening address(es) without involvingSIP signaling. You can specify up to 10 multicast listening addresses.• Setting a Paging List• Deleting a Paging Group• Sending Multicast Paging• Receiving Multicast Paging• Managing a Paging CallSetting a Paging ListYou can set a Paging List which includes all your paging groups.Procedure1. Navigate to Menu > Setting > Features > Paging List.2. Select a desired paging group.The default tag is Empty if it is not configured before.3. Tap .4. Enter the multicast IP address and port number (e.g., 224.5.6.20:10008) in the Address field.The valid multicast IP addresses range from 224.0.0.0 to 239.255.255.255.5. Enter the group name in the Label field.6. Select Save.7. Repeat steps 2 to 6, you can add more paging groups.If the paging group is configured successfully, an icon appears on the screen title area. You can tap it to enterthe paging list.
