Yealink SIP-T4X Administrator's Manual page 417

Parameter-
linekey.X.value
Description
Format
Range
Example
Record Key
Parameter-
linekey.X.type
Description
Format
Value
Example
URL Record Key
Parameter-
linekey.X.type
Description
Configuration File
<y0000000000xx>.cfg
Configures the multicast IP address and
port number.
X ranges from 1 to 29 (for SIP-T48G).
X ranges from 1 to 27 (for SIP-T46G).
X ranges from 1 to 15 (for SIP-T42G/T41P).
Note: The valid multicast IP addresses
range from 224.0.0.0 to 239.255.255.255.
IP Address
224.0.0.0 to 239.255.255.255.
linekey.3.value = 224.5.5.6:10008
Configuration File
<y0000000000xx>.cfg
Configures a line key to be a record key on
the IP phone.
The digit 25 stands for the key type Record.
X ranges from 1 to 29 (for SIP-T48G).
X ranges from 1 to 27 (for SIP-T46G).
X ranges from 1 to 15 (for SIP-T42G/T41P).
Integer
25
linekey.2.type = 25
Configuration File
<y0000000000xx>.cfg
Configures a line key to be a URL record
key on the IP phone.
The digit 35 stands for the key type URL
Record.
X ranges from 1 to 29 (for SIP-T48G).
Appendix
401