Yealink SIP-T2 SERIES Administrator's Manual page 610

Administrator's Guide for SIP-T2 Series/T19(P) E2/T4 Series/CP860 IP Phones
subscribers stop receiving it.
Procedure
Configuration changes can be performed using the configuration files or locally.
Configuration File
588
<y0000000000xx>.cfg
Specify a multicast codec for the IP
phone to send the RTP stream.
Parameter:
multicast.codec
Configure the multicast IP address
and port number for a paging list
key.
Parameter:
multicast.paging_address.X.ip_ad
dress
Configure the multicast paging
group name for a paging list key.
Parameter:
multicast.paging_address.X.label
Assign a multicast paging key.
Parameters:
linekey.X.type/
programablekey.X.type/
expansion_module.X.key.Y.type
linekey.X.value/
programablekey.X.value/
expansion_module.X.key.Y.value
linekey.X.label/
programablekey.X.label/
expansion_module.X.key.Y.label
Assign a paging list key.
Parameter:
linekey.X.type/
programmable.X.type/
expansion_module.X.key.Y.type
linekey.X.label/
programmable.X.label/
expansion_module.X.key.Y.label