Yealink SIP-T4U Series

Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
401
Values
1-On, incoming calls are forwarded to the destination number (configured by the parameter “for-
ward.busy.target”) when the callee is busy.
Default
0
Web UI
Features > Forward&DND > Forward > Busy Forward > On/Off
Phone UI
Menu > Features > Call Forward > Busy Forward > Busy Forward
Parameter
forward.busy.target <y0000000000xx>.cfg
Description
It configures the destination number of the busy forward on a phone basis.
Note: It works only if “features.fwd.allow” is set to 1 (Enabled) and “features.fwd_mode” is set to 0
(Phone) (except T19(P) E2/CP920 phones).
Permitted
Values
String within 32 characters
Default
Blank
Web UI
Features > Forward&DND > Forward > Busy Forward > Target
Phone UI
Menu > Features > Call Forward > Busy Forward > Forward to
Parameter
forward.busy.on_code <y0000000000xx>.cfg
Description
It configures the busy forward on code to activate the server-side busy forward feature.
The phone will send the busy forward on code and the pre-configured destination number (configured
by the parameter “forward.busy.target”) to the server when you activate the busy forward feature on a
phone basis.
Note: It works only if “features.fwd.allow” is set to 1 (Enabled) and “features.fwd_mode” is set to 0
(Phone) (except T19(P) E2/CP920 phones).
Permitted
Values
String within 32 characters
Default
Blank
Web UI
Features > Forward&DND > Forward > Busy Forward > On Code
Phone UI
Menu > Features > Call Forward > Busy Forward > On Code
Parameter
forward.busy.off_code <y0000000000xx>.cfg
Description
It configures the busy forward off code to deactivate the server-side busy forward feature.
The phone will send the busy forward off code to the server when you deactivate the busy forward fea-
ture on a phone basis.
Note: It works only if “features.fwd.allow” is set to 1 (Enabled) and “features.fwd_mode” is set to 0
(Phone) (except T19(P) E2/CP920 phones).
Permitted
Values
String within 32 characters
Default
Blank
Web UI
Features > Forward&DND > Forward > Busy Forward > Off Code
Phone UI
Menu > Features > Call Forward > Busy Forward > Off Code
Parameter
forward.no_answer.enable <y0000000000xx>.cfg
Description
It triggers the no answer forward feature to on or off on a phone basis.
Note: It works only if “features.fwd.allow” is set to 1 (Enabled) and “features.fwd_mode” is set to 0