Yealink SIP-T54S Administrator's Manual page 488

Administrator's Guide for SIP-T2 Series/T19(P) E2/T4 Series/T5 Series/CP860/CP920 IP Phones
forward.no_answer.target = 3603
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->No Answer Forward->Target
Phone User Interface:
Menu->Features->Call Forward->No Answer Forward->Forward to
forward.no_answer.timeout
Description:
Configures ring times (N) to wait before forwarding incoming calls.
Incoming calls will be forwarded when not answered after N*6 seconds.
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->No Answer Forward->After Ring Time (0~120s)
Phone User Interface:
Menu->Features->Call Forward->No Answer Forward->After Ring Time
forward.no_answer.on_code
Description:
Configures the no answer forward on code to activate the server-side no answer forward
feature.
The IP phone will send the no answer forward on code and the pre-configured destination
number (configured by the parameter "forward.no_answer.target") to the server when you
activate no answer forward feature on the IP phone.
Example:
forward.no_answer.on_code = *76
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->No Answer Forward->On Code
462
Parameters Permitted Values Default
Integer from 0 to
20
String within 32
Blank
characters
2