Yealink SIP-T48G Administrator's Manual page 532

Administrator's Guide for SIP-T2_Series_T4_Series IP Phones
You can add contacts one by one on the IP phone directly. You can also add multiple
contacts at a time and/or share contacts between IP phones using the local contact
template file. After setup, place the template file to the provisioning server and specify
the access URL of the template file in the configuration files.
When editing a local contact template, learn the following:
<root_contact> indicates the start of a contact list and </root_contact> indicates

the end of a contact list.
<root_group> indicates the start of a group list and </root_group> indicates the

end of a group list.
When specifying a ring tone for a contact or a group, the format of the value must

be Auto, Resource:Silent.wav, Resource:Splash.wav or Resource:RingN.wav
(system ring tone, integer N ranges from 1 to 8) or Custom:Name.wav (custom ring
tone).
When specifying a desired line for a contact, valid values are -1~15. Multiple line

IDs are separated by commas.
The following table lists valid values for each phone model.
Phone Model
SIP-T48G/T46G/T29G
SIP-T41P/T27P
SIP-T23P/G
SIP-T21(P) E2
When specifying an avatar for a contact, valid values are Default: avatar name

(the built-in avatar) and Config: avatar name (the custom avatar). It is only
applicable to SIP-T48G, SIP-T46G and SIP-T29G IP phones.
At most 48 groups can be added to the IP phone.

At most 1000 local contacts can be added to the IP phone.

518
Values
SIP-T42G
-1 stands for Auto (the first
-1~15 registered line)
0~15 stand for line1~line16
-1 stands for Auto (the first
-1~11 registered line)
0~11 stand for line1~line12
-1 stands for Auto (the first
-1~5 registered line)
0~5 stand for line1~line6
-1 stands for Auto (the first
-1~2 registered line)
0~2 stand for line1~line3
-1 stands for Auto (the first
-1~1 registered line)
0~1 stand for line1~line2
Description