Call Features261Default BlankWeb UI Directory->Multicast IP->Paging List->Paging AddressPhone UI Settings->Features->Paging List->Option->Edit->AddressParameter multicast.paging_address.X.label[1] .cfgDescription It configures the name of the multicast paging group to be displayed in the paging list. It will be dis-played on the phone screen when placing the multicast paging calls.PermittedValues StringDefault BlankWeb UI Directory->Multicast IP->Paging List->LabelPhone UI Settings->Features->Paging List->Option->Edit->LabelParameter multicast.paging_address.X.channel[1] .cfgDescription It configures the channel of the multicast paging group in the paging list.PermittedValues0-all the Yealink phones running firmware version 80 or earlier or Yealink phones listen to channel 0 orthird-party available devices (for example, Cisco phones) in the paging group can receive the RTP stream.1 to 25-the Polycom or Yealink phones preconfigured to listen to the channel can receive the RTPstream.26 to 30-the Yealink phones preconfigured to listen to the channel can receive the RTP stream.Default 0Web UI Directory->Multicast IP->Paging List->Paging Address->ChannelPhone UI Settings->Features->Paging List->Option->Edit->Channel[1]X ranges from 1 to 31Multicast Listening Group ConfigurationYealink phones support up to 31 groups for listening. You can assign multicast IP address with a channel for eachgroup, and specify a label to each group to identify the phones in the group, such as All, Sales, or HR.The following table lists the parameters you can use to configure the multicast listening group.Parameter multicast.listen_address.X.ip_address[1] .cfgDescriptionIt configures the multicast address and port number that the phone listens to.Note: The valid multicast IP addresses range from 224.0.0.0 to 239.255.255.255.PermittedValues IP address: portDefault BlankWeb UI Directory->Multicast IP->Multicast Listening->Listening AddressParameter multicast.listen_address.X.label[1] .cfgDescription It configures the label to be displayed on the phone screen when receiving the multicast paging calls.