Yealink SIP-T2xP Auto Provisioning Manual page 139

Parameter
SIP-T46G: X ranges from 1 to 27.
SIP-T42G/T41P: X ranges from 1 to 15.)
(not applicable to SIP-T19P and CP860 IP phones)
linekey.X.xml_phonebook =
(SIP-T28P: X ranges from 1 to 6.
SIP-T26P/T22P: X ranges from 1 to 3.
SIP-T21P/T20P: X ranges from 1 to 2.
SIP-T48G: X ranges from 1 to 29.
SIP-T46G: X ranges from 1 to 27.
SIP-T42G/T41P: X ranges from 1 to 15.)
(not applicable to SIP-T19P and CP860 IP phones)
Permitted Values
The default value is blank.
It configures the desired local group/XML
group/network group for the line key X.
It only applies to the Local Group, XML
Group and Network Group features.
XML Group and Network Group features
are not applicable to SIP-T20P IP phones.
When the key feature is configured as Local
Group, valid values are:
0-All contacts
Integer from 0 to 48
1-First local group
2-Second local group
3-Third local group
4-Fourth local group
5-Fifth local group
...
48-Forty-eighth local group
Local groups 6-48 are only applicable to
Descriptions
DSSKey->Line Key->Line KeyX->Line
Appendix
Web Setting Path
129