Yealink SIP-T2 SERIES Administrator's Manual page 392

Administrator's Guide for SIP-T2 Series/T19(P) E2/T4 Series/CP860 IP Phones
1-Custom
If it is set to 0 (Phone), call forward feature is effective for the IP phone.
If it is set to 1 (Custom), you can configure call forward feature for each account.
Note: It is not applicable to SIP-T19(P) E2 and CP860 IP phones.
Web User Interface:
Features->Forward&DND->Forward->Mode
Phone User Interface:
None
account.X.always_fwd.enable
Description:
Triggers always forward feature to on or off for account X.
0-Off
1-On
If it is set to 1 (On), incoming calls to the account X are forwarded to the destination
number immediately.
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->Always Forward->On/Off
Phone User Interface:
Menu->Features->Call Forward->Always Forward->Always Forward
account.X.always_fwd.target
Description:
Configures the destination number of the always 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)
370
Parameters Permitted Values Default
0 or 1
String within 32
Blank
characters
0