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No Answer: VoIP device will forward all incoming call to the forwarding number when
user is unavailable to pick up the phone
Busy: VoIP device will forward all incoming call to the forwarding number when user is
already on the phone talking to someone else
Unconditional: VoIP device will forward all incoming call to the forwarding number.
Call Forward Timer: The time elapsed before the call is considered not answered and
forwarded to a designated number. The default is 10 seconds.
Call Waiting Disable: Call waiting ensures that all important calls get to you. For
example, if you are on the phone when another person tries to call you, an audible beep will
inform you that someone is waiting on the other line. You can decide whether or not you
want to put the current caller on hold and take the incoming call.
4.3.8.3 IAX Settings
IAX2 (Inter Asterisk exchange protocol ver.2) is a proprietary protocol of Asterisk by Digium.
It is a simple protocol like SIP. Yet, it can pass through any kind of NAT. It is much more
popular since it is provided as an open source. For more information, please visit
http://www.asterisk.org
Port: IAD supports IAX2 protocol. Normally IAX2 uses Port 4569.
Server: The Asterisk server’s IP address
Server Port: The port number for the Asterisk server. Default is 4569
Refresh Interval: The time interval in which the phone periodically refresh IAX sessions
by sending repeated INVITE or Update request.
4.3.8.4 Call Control
Call control setting Menu config the codec and tone for different Telecomm environment.
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