Unicorn 3001 User Manual
Copyright © 2008
Hanlong Technology Co., Ltd Page 18 of 26
Register Expiration
This parameter allows the user to specify the time
frequency (in minutes) the Unicorn 3001refreshes its
registration with the specified registrar. The default
interval is
6
minutes, The maximum interval is
65535
minutes (about 45 days).
Outgoing Call without
Registration
Default is No. If set to “Yes,” user can place outgoing
calls even when not registered (if allowed by ITSP) but is
unable to receive incoming calls.
Local SIP port
This parameter defines the local SIP port the Unicorn
3001 will listen and transmit. The default value for FXS
port is
5060
.
Local RTP port
This parameter defines the local RTP-RTCP port pair
the Unicorn 3001 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.
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 3001 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.
DTMF Payload Type
Sets the payload type for DTMF using RFC2833
