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Unicorn 3112 User Manual
Copyright © 2008
Hanlong Technology Co., Ltd
Page 26 of 42
FXS PORT SETTING
Setting Options
Meaning
Refer-To Use Target
Contact
Used for Attended transfer Feature. Default is NO. If set
to YES, the “Refer-To” header uses the transferred
target’s “Contact” header information.
SIP T1 Timeout
Default is 0.5 sec
SIP T2 Interval
Default is 2 sec
DTMF Payload Type
This parameter sets the payload type for DTMF using
RFC2833
DTMF in Audio
Default is YES
DTMF via RFC2833
Default is YES
DTMF via SIP INFO
Default is NO
Send Flash Event
This parameter allows users to control whether to send an
SIP NOTIFY message indicating the Flash event, or just
to switch to the voice channel when users press the Flash
key.
Enable Call Features
Default is No. If set to Yes, Call Forwarding &
Do-Not-Disturb are supported locally
Offhook Auto-Dial
This parameter allows users to configure a User ID or
extension number to be automatically dialed upon
offhook. Please note that only the user part of a SIP
address needs to be entered here. The Unicorn 3112 will
automatically append the “@” and the host portion of the
corresponding SIP address.
Proxy-Require
SIP Extension to notify SIP server that the unit is behind
the NAT/Firewall.
Use NAT IP
NAT IP address used in SIP/SDP message.
Default is blank.
Disable Call-Waiting
Default is No.
No Key Entry Timeout
Default is 4 seconds.