Hanlong Technology Co., Ltd Unicorn 600x User Manual Page 29 of 37
Firmware
1.0.0.29 Last Updated 8/2010
signal(not very reliable with low-bit-rate codec),
Default is
YES
.
DTMF via RFC2833
This parameter specifies the mechanism to transmit DTMF
digit via RTP (RFC2833).
Default
YES
.
DTMF via SIP INFO
This parameter specifies the mechanism to transmit DTMF
digit 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
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 No.
Preferred Vocoder
The Unicorn600x supports up to 5 different Vocoder types
including G.711 A-/U-law, G.726 (Supports bit rates 32K),
G.723.1, G.729A/B. The user can configure Vocoders in a
preference list that will be included with the same
preference order in SDP message. The first Vocoder is
entered by choosing the appropriate option in “Choice 1”.
The last Vocoder is entered by choosing the appropriate
option in “Choice 6”.
Voice Frames per TX
This field contains the number of voice frames to be
transmitted in a single packet. When setting this value, the
user should be aware of the requested packet time (used in
SDP message) as a result of configuring this parameter.
This parameter is associated with the first vocoder in the
above vocoder Preference List or the actual used payload
type negotiated between the 2 conversation parties at run
time. e.g., if the first vocoder is configured as G723 and the
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