Administrator’s Guide for SIP-T2 /T3 /T4 /T5 /CP920 IP Phones
391
manually.
Default
1
Supported
Devices
All phones except CP920
Parameter
features.dnd.emergency_enable
<y0000000000xx>.cfg
Description
It enables or disables the phone to receive incoming calls from authorized numbers when the DND
feature is enabled.
Note
: The authorized numbers are configured by the parameter “features.dnd.emergency_author-
ized_number”. It works only if “features.dnd.allow” is set to 1 (Enabled).
Permitted
Values
0
-Disabled
1
-Enabled
Default
0
Web UI
Features > Forward&DND > DND > DND Emergency
Parameter
features.dnd.emergency_authorized_number
<y0000000000xx>.cfg
Description
It configures the authorized numbers the phone can receive incoming calls from even if DND feature
is activated.
Multiple numbers are separated by commas.
Example
:
features.dnd.emergency_authorized_number = 123,124
Note
: It works only if “features.dnd.allow” and “features.dnd.emergency_enable” are set to 1
(Enabled).
Permitted
Values
String within 511 characters
Default
Blank
Web UI
Features > Forward&DND > DND > DND Authorized Numbers
Parameter
features.dnd_refuse_code
<y0000000000xx>.cfg
Description
It configures a return code and reason of SIP response messages when rejecting an incoming call by
DND. A specific reason is displayed on the caller’s phone screen.
Note
: It works only if “features.dnd.allow” is set to 1 (Enabled).
Permitted
Values
404
-Not Found
480
-Temporarily Unavailable
486
-Busy Here, the caller’s phone screen will display the reason “Busy Here” when the callee
enables DND feature.
600
-Busy Everywhere
603
-Decline
Default
480
Web UI
Features > General Information > Return Code When DND
Parameter
features.dnd.large_icon.enable
<y0000000000xx>.cfg
Description
It enables or disables the phone to display a large DND icon on the idle screen.
Note
: It works only if “features.dnd.allow” is set to 1 (Enabled).