Yealink SIP-T2 Series Administrator's Manual page 209

For T54S/T48G/T48S/T46G/T46S/T29G: 0~15 stand for line1~line16;
For T52S/T42G/T42S: 0~11 stand for line1~line12;
For T41P/T41S/T27G: 0~5 stand for line1~line6;
For T40P/T40G/T23P/T23G: 0~2 stand for line1~line3;
For T21(P) E2: 0~1 stand for line1~line2;
For T19(P) E2/CP920: 0 stands for line1.
Permitted 0-Disabled
Values 1-Enabled
Default 0
Web UI Account->Advanced->SIP Send Line
Parameter account.X.contact_take_line_param
It enables or disables the IP phone to carry the line parameter in the Contact header of the Register mes-
Description
sage.
Permitted
0-Disabled
1-Enabled
Values
Default 0
Parameter account.X.unregister_on_reboot
Description It enables or disables the IP phone to unregister first before re-registering account X after a reboot.
Permitted
0-Disabled
1-Enabled
Values
Default 0
Web UI Account->Advanced->Unregister When Reboot
Parameter account.X.sip_server_type
Description It configures the type of the SIP server.
0-Default
2-BroadSoft (It works only if "bw.enable" is set to 1 (Enabled))
Permitted
8-Genesys
Values
10-Genesys Advanced
12-Star2Star
Default 0
Web UI Account->Advanced->SIP Server Type
Parameter account.X.gruu.enable
It enables or disables the Globally Routable User Agent URI (GRUU) feature.
Description
GRUU provides a unique user-agent identifier to a specific user agent (UA) instance. It is required in
which the REFER request must be routed to the correct UA instance, for example, a call transfer.
0-Disabled
Permitted
Values
1-Enabled, the IP phone will add +sip.instance attribute with the public GRUU to the Contact header of
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<MAC>.cfg
<MAC>.cfg
<MAC>.cfg
<MAC>.cfg
Account Settings
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