Yealink SIP-T2 SERIES Administrator's Manual page 357

Configuring Basic Features
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.dnd.off_code = *74
Note: It works only if the value of the parameter ―features.dnd_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->DND Off Code
Phone User Interface:
Menu->Features->DND->AccountX->Off Code
features.dnd.enable 0 or 1 0
Description:
Triggers DND feature to on or off.
0-Off
1-On
If it is set to 1 (On), the IP phone will reject incoming calls on all accounts.
Note: For Yealink IP phones (except SIP-T19(P) E2 and CP860), it works only if the
value of the parameter ―features.dnd_model‖ is set to 0 (Phone).
Web User Interface:
Features->Forward&DND->DND->DND Status
Phone User Interface:
Menu->Features->DND->DND Enable
String within 32
features.dnd.on_code Blank
characters
Description:
Configures the DND on code to activate the server-side DND feature. The IP phone
will send the DND on code to the server when you activate DND feature on the IP
phone.
Example:
features.dnd.on_code = *71
Note: For Yealink IP phones (except SIP-T19(P) E2 and CP860), it works only if the
value of the parameter ―features.dnd_mode‖ is set to 0 (Phone).
Web User Interface:
Features->Forward&DND->DND->DND On Code
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