Yealink SIP-T2 SERIES Administrator's Manual page 397

Parameters
Features->Forward&DND->Forward->No Answer Forward->On/Off
Phone User Interface:
Menu->Features->Call Forward->No Answer Forward->No Answer Forward
account.X.timeout_fwd.target
Description:
Configures the destination number of the no answer forward for account X.
X ranges from 1 to 16 (for SIP VP-T49G/SIP-T48G/T46G/T29G)
X ranges from 1 to 12 (for SIP-T42G)
X ranges from 1 to 6 (for SIP-T41P/T27P)
X ranges from 1 to 3 (for SIP-T40P/T23P/T23G)
X ranges from 1 to 2 (for SIP-T21(P) E2)
Example:
account.1.timeout_fwd.target = 3603
Note: It works only if the value of the parameter ―features.fwd_mode‖ is set to 1
(Custom). It is not applicable to SIP-T19(P) E2 and CP860 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
account.X.timeout_fwd.timeout
Description:
Configures ring times (N) to wait before forwarding incoming calls for account X.
Incoming calls will be forwarded when not answered after N*6 seconds.
X ranges from 1 to 16 (for SIP VP-T49G/SIP-T48G/T46G/T29G)
X ranges from 1 to 12 (for SIP-T42G)
X ranges from 1 to 6 (for SIP-T41P/T27P)
X ranges from 1 to 3 (for SIP-T40P/T23P/T23G)
X ranges from 1 to 2 (for SIP-T21(P) E2)
Note: It works only if the value of the parameter ―features.fwd_mode‖ is set to 1
(Custom). It is not applicable to SIP-T19(P) E2 and CP860 IP phones.
Web User Interface:
Features->Forward&DND->Forward->No Answer Forward->After Ring
Configuring Basic Features
Permitted Values Default
String within 32
Blank
characters
Integer from 0 to
20
2
375