Yealink SIP-T48G Administrator's Manual page 197

Parameters
account.X.dnd.on_code
Description:
Configures the DND on code to activate the server-side DND feature for account X
when the DND mode is configured as Custom. The IP phone will send the DND on
code to the server when you activate DND feature for account X on the IP phone.
X ranges from 1 to 16 (for 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-T23P/G).
X ranges from 1 to 2 (for SIP-T21(P) E2).
Example:
account.1.dnd.on_code = *73
Web User Interface:
Features->Forward& DND->DND On Code
Phone User Interface:
Menu->Features->DND->On Code
account.X.dnd.off_code
Description:
Configures the DND off code to deactivate the server-side DND feature for account X
when the DND mode is configured as Custom. The IP phone will send the DND off
code to the server when you deactivate DND feature for account X on the IP phone.
X ranges from 1 to 16 (for 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-T23P/G).
X ranges from 1 to 2 (for SIP-T21(P) E2).
Example:
account.1.dnd.off_code = *74
Web User Interface:
Features->Forward& DND->DND Off Code
Phone User Interface:
Menu->Features->DND->Off Code
Configuring Basic Features
Permitted Values
String within 32 characters
String within 32 characters
Default
Blank
Blank
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