Unicorn 3112 User Manual
Copyright © 2008
Hanlong Technology Co., Ltd
Page 37 of 42
FXO PORT SETTING
Setting Options
Meaning
iLBC frame size
This sets the iLBC size in 20ms or 30ms
iLBC payload type
This defines payload time for iLBC. Default value is 98.
The valid range is between 96 and 127.
G726-16 Payload Type
default is 100
G726-24 Payload Type
Default is 99
G726-40 Payload Type
Default value is103, range is from 96 to 123
G729E Payload
Type:
Default value is102, range is from 96 to 127
VAD
Default is No. VAD allows detecting the absence of
audio and conserve bandwidth by preventing the
transmission of "silent packets" over the network
Symmetric RTP
Default is
No
. When set to Yes the device will change
the destination to send RTP packets to the source IP
address and port of the inbound RTP packet last
received by the device.
Fax Mode
T.38(Auto Detect) FoIP by default, or fax
Pass-Through.
Fax Tone Detection
Mode
Default is Callee. This decides whether Caller or Callee
sends out the re INVITE for T.38 or Fax Pass Through.
Jitter Buffer Type
Select either Fixed or Adaptive based on network
conditions.
Jitter Buffer Length
Select Low, Medium or High based on network
conditions.
Early Dial
Default is No. Use only if proxy supports 484 response
Dial Plan Prefix
Sets the prefix added to each dialed number
Use # as Dial Key
This parameter allows users to configure the “#” key to
