Yealink SIP-T4X Administrator's Manual page 411

Example
Parameter-
linekey.X.value
Description
Format
Range
Example
Call Return Key
Parameter-
linekey.X.type
Description
Format
Value
Example
1 to 6 (for SIP-T48G/T46G)
1 to 3 (for SIP-T42G/T41P)
1-Line 1
2-Line 2
...
6-Line 6
linekey.1.line = 1
Configuration File
<y0000000000xx>.cfg
Configures the group call pickup feature
code.
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).
String
String within 99 characters
linekey.1.value = *98
Configuration File
<y0000000000xx>.cfg
Configures a line key to be a call return key
on the IP phone.
The digit 7 stands for the key type Call
Return.
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
7
linekey.2.type = 7
Appendix
395