Yealink SIP-T54S Administrator's Manual page 485

Configuring Basic Features
Parameters Permitted Values Default
The IP phone will send the always forward on code and the pre-configured destination
number (configured by the parameter "forward.always.target") to the server when you
activate always forward feature on the IP phone.
Example:
forward.always.on_code = *72
Note: It works only if the value of the parameter "features.fwd.allow" is set to 1 (Enabled)
(except CP860 IP phones) and value of the parameter "features.fwd_mode" is set to 0
(Phone) (except SIP-T19(P) E2/CP860/CP920 IP phones).
Web User Interface:
Features->Forward&DND->Forward->Always Forward->On Code
Phone User Interface:
Menu->Features->Call Forward->Always Forward->On Code
String within 32
forward.always.off_code Blank
characters
Description:
Configures the always forward off code to deactivate the server-side always forward feature.
The IP phone will send the always forward off code to the server when you deactivate
always forward feature on the IP phone.
Example:
forward.always.off_code = *73
Note: It works only if the value of the parameter "features.fwd.allow" is set to 1 (Enabled)
(except CP860 IP phones) and value of the parameter "features.fwd_mode" is set to 0
(Phone) (except SIP-T19(P) E2/CP860/CP920 IP phones).
Web User Interface:
Features->Forward&DND->Forward->Always Forward->Off Code
Phone User Interface:
Menu->Features->Call Forward->Always Forward->Off Code
forward.busy.enable 0 or 1 0
Description:
Triggers the busy forward feature to on or off for the IP phone.
0-Off
1-On
If it is set to 1 (On), incoming calls are forwarded to the destination number (configured by
the parameter "forward.busy.target") when the callee is busy.
Note: It works only if the value of the parameter "features.fwd.allow" is set to 1 (Enabled)
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