Denwa Communications DW-820 User Manual page 119

Hot line
ACD
Remote Control
Key As Send
SIP Config
UACSTA
Door Phone
Others

Intercom Mute: If enabled, once the call established, the
called will be muted.
HotLine allows user to call out a defined number
automatically after hearing the dailtone without dialing any
number.

Active: To enable or disable HotLine feature.

Number: To set a defined HotLine number.

Delay Time: To set the automatically call out interval
after hearing the dailtone.
ACD (Automatic Call Distribution) is most used in call-center
market, it allows IP phone to login the system with multiple
status so that the system could distribute an incoming calls to
available user or agents.

ACD Activated Auto: If enabled, Agent status will turn to
available automatically within a designated time
(decided by ACD Activated Auto Timer).

ACD Activated Auto Timer: To configure interval when
will Agent status becomes available automatically.

ACD Pwd Required: To enable the ACD password.
Remote Control allows specific host to interact with IP phone
by sending HTTP or HTTPS requests. The specific action could
be answering an incoming call, hangup an ongoing call and so
on.

Allowed Access IP List: To configure the allowed host
address.

Note: For now, IP phone can only support IP address, IP
address list and IP address pattern as allowed hosts
Key As Send allows you to disable send key or assign pound
key as send key.
Setup the SIP protocol package interval. T2 is maximum. The
interval should be larger the T1, but less then T2.
Using CSTA for SIP phone user agents. It can control some
features of calling. UACSTA is used to send ECMA-323(CSTA
XML) information during SIP calling. The default status is
disabled.
when there is incoming call from doorphone, setup the delay
auto answer time, DW-820 will auto answer the call after
the timeout.
Note: if you enable Auto Answer function, this feature will be
not available.

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