D-Link DPH-400S User Manual page 49

Registration Expire(s) Set expire time of SIP server register, default is 60
Enable Service Code
DND On Code
DND Off Code
Always CFwd On
Code
Always CFwd Off
Code
Busy CFwd On Code
Busy CFwd Off Code
conference number.
seconds. If the register time of the server requested
is longer or shorter than the expired time set, the
phone will change automatically the time into the
time recommended by the server, and register again.
If you want to realize the following function by the
server, please enter the On Code and Off Code
option, then when you choose to enable/disable
following function on your IP phone, it will send
message to the server, and the server will turn on/off
the function immediately.
Set the DND On Code, When you press the DND
hot key, the phone will send a message to the server,
and the server will turn on the DND function. Then
any calls to the extension will be rejected by the
server automatically. And the incoming call record
will not be displayed in the Call History.
Set the DND Off Code, When you press the DND
hot key, the phone will send a message to the server,
and the server will turn off the DND function.
Set the Always CFwd On Code, when you choose to
enable the always forward function on your phone, it
will send message to the server, and the server will
turn on the function immediately. When there are
calls to the extension, the server will always forward
it to the set number automatically. And the IP phone
will not show the record in the call history anymore.
Set the Always CFwd Off Code, when you choose to
disable the always forward function on your phone,
it will send message to the server, and the server will
turn off the function immediately.
Set the Busy CFwd On Code, when you choose to
enable the busy forward function v on your phone, it
will send message to the server, and the server will
turn on the function immediately. When there are
calls to the extension, the server will forward it to
the set number automatically based the forward
type. And the IP phone will not show the record in
the call history anymore.
Set the Busy CFwd Off Code, when you choose to
disable the busy forward function on your phone, it
will send message to the server, and the server will
turn off the function immediately.