Denwa Communications DW-V-AXT-ANDROID User Manual page 38

Call Waiting
Intercom
Others
when DND is off.
DND Off Code: The Code used to turn off DND on server's
side, if configured, IP phone will send a SIP message to server
to turn off DND on server side if you press DND when DND is
on.
To enable or disable Call Waiting.

Call Waiting Enable: If enabled, it allows IP phones to
receive a new incoming call when there is already an
active call.

Call Waiting Tone: If enabled, it allows IP phones to play
the call waiting tone to the waiting callee.

On Code: The code used to enable call waiting on
server's side, if configured, IP phone will send a SIP
message to server to turn on call waiting on server side if
you setup call waiting is disabled.

Off Code: The code used to disable call waiting on
server's side, if configured, IP phone will send a SIP
message to disable call waiting on server side if you
setup call waiting is enabled.
Intercom allows user to establish a call directly with the
callee.

Active: To enable or disable Intercom feature.

Intercom Mute: If enabled, once the call established, the
callee will be muted.

Return Code When Refuse: Allows user to assign specific
code as return code to SIP server when an incoming call
is rejected.

Auto Answer Delay: To configure delay time before an
incoming call is automatically answered.

Direct IP: To call someone with dialing IP address directly.