Unicorn3002
User Manual
Copyright © 2008
Hanlong Technology Co., Ltd
Page 21 of 31
Local SIP port
This parameter defines the local SIP port the Unicorn 3002
will listen and transmit. The default value for FXS port is
5060. The default value for FXO port is 5062.
Local RTP port
This parameter defines the local RTP-RTCP port pair the
Unicorn 3002 will listen and transmit. It is the base RTP port
for channel 0. When configured, channel 0 will use this port
_value for RTP and the por1 for its RTCP; channel
1 will use por2 for RTP and por3 for its
RTCP. The default value for FXS port is 5004. The default
value for FXO port is 5008.
Use Random Port
This parameter, when set to Yes, will force random
generation of both the local SIP and RTP ports. This is
usually necessary when multiple Unicorn 3002 are behind
the same NAT.
Refer-To Use Target
Contact
Default is NO. If set to YES, then for Attended Transfer, the
“Refer-To” header uses the transferred target’s Contact
header information.
END USER SETTING
Setting Options
Meaning
DTMF Payload Type
This parameter sets the payload type for DTMF using
RFC2833
DTMF in Audio
Send DTMF as inband (in-audio).
DTMF via RFC2833
Send DTMF via RTP (According to RFC 2833).
DTMF via SIP INFO
Send DTMF via SIP INFO message.
Send Flash Event
This parameter allows users to control whether to send an
SIP NOTIFY message indicating the Flash event, or just to
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