Yealink SIP-T2 SERIES Administrator's Manual page 358

Administrator's Guide for SIP-T2 Series/T19(P) E2/T4 Series/CP860 IP Phones
Phone User Interface:
Menu->Features->DND->On Code
features.dnd.off_code
Description:
Configures the DND off code to deactivate the server-side DND feature. The IP
phone will send the DND off code to the server when you deactivate DND feature on
the IP phone.
Example:
features.dnd.off_code = *72
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 Off Code
Phone User Interface:
Menu->Features->DND->Off Code
features.dnd.emergency_enable
Description:
Enables or disables the IP phone to receive incoming calls from authorized numbers
when DND feature is enabled.
0-Disabled
1-Enabled
Web User Interface:
Features->Forward&DND->DND->DND Emergency
Phone User Interface:
None
features.dnd.emergency_authorized_number
Description:
Configures the authorized numbers the IP phone can receive incoming calls from
even if DND feature is enabled.
Multiple numbers are separated by commas.
Example:
features.dnd.emergency_authorized_number = 123,124
Note: It works only if the value of the parameter ―features.dnd.emergency_enable‖
is set to 1 (Enabled).
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