Yealink SIP-T2xP Auto Provisioning Manual page 146

Yealink IP Phones Auto provisioning Guide
Parameter
136
Permitted Values
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
SIP-T4X IP phones.
When the key feature is configured as XML
Group (remote phone book), valid values
are:
0-First XML group
1-Second XML group
2-Third XML group
3-Fourth XML group
4-Fifth XML group
When the key feature is configured as
Network Group, valid values are:
0-All contacts
1-Group
2-Enterprise
Descriptions Web Setting Path