Yealink SIP-T48G Administrator's Manual page 233

Parameters
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
Web User Interface:
Features->Forward &DND->Always Forward->Off Code
Phone User Interface:
Menu->Features->Call Forward->Always Forward->Off Code
forward.busy.enable
Description:
Enables or disables busy forward feature.
0-Disabled
1-Enabled
If it is set to 1 (Enabled), incoming calls are forwarded to the destination number
when the callee is busy.
Web User Interface:
Features->Forward &DND->Forward->Busy Forward->On/Off
Phone User Interface:
Menu->Features->Call Forward->Busy Forward->Busy Forward
forward.busy.target
Description:
Configures the destination number the IP phone forwards incoming calls to when
busy.
Example:
forward.busy.target = 3602
Web User Interface:
Features->Forward &DND->Forward->Busy Forward->Target
Phone User Interface:
Menu->Features->Call Forward-> Busy Forward->Forward to
forward.busy.on_code
Configuring Basic Features
Permitted Values
0 or 1
String within 32 characters
String within 32 characters
Default
0
Blank
Blank
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