Yealink SIP-T4X Administration Manual page 301

Administrator's Guide for SIP-T4X IP Phones
Return Message When DND
Parameter-
features.dnd_refuse_code
Description
Format
Default Value
Range
Example
DND Mode
Parameter-
features.dnd_mode
Description
Format
Default Value
Range
Example
286
Configuration File
<y0000000000xx>.cfg
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 LCD screen.
If it is set to 486 (Busy here), the caller's LCD
screen will display the reason "Busy here"
when the callee enables DND.
Integer
480
Valid values are:
404-No Found
480-Temporarily Not Available
486-Busy Here
features.dnd_refuse_code = 480
Configuration File
<y0000000000xx>.cfg
Configures the DND mode for the IP phone.
If it is set to 0 (Phone), the DND feature is
effective for the IP phone.
If it is set to 1 (Custom), you can configure DND
feature for each account.
Integer
0
0-Phone
1-Custom
features.dnd_mode = 0