Grandstream Networks, Inc. GXW40XX User Manual Page 34 of 38
Firmware 1.0.4.2 Last Updated: 06/2011
Default value is
.
Defines payload type for iLBC. The valid range is between 96 and
127.
AAL2-G726-16
Payload type
Default value is 100. Range is from 96 to 127.
AAL2-G726-24
Payload type
Default value is 99. Range is from 96 to 127.
AAL2-G726-32
Payload type
Default value is 104. Range is from 96 to 127.
AAL2-G726-40
Payload type
Default value is 103. Range is from 96 to 127.
Default value is 102. Range is from 96 to 127.
Default is
. VAD allows dete
cting the absence of audio and conserve bandwidth by
preventing the transmission of "silent packets" over the network.
Default is No. When set to Yes the device will change the destination to send RTP
packets to the source IP address and por
t of the inbound RTP packet last received by
the device.
T.38 (Auto Detect) FoIP by default, or Pass-Through (must use codec PCMU/PCMA)
Default is Callee.
This decides whether Caller or Callee sends out the re-
INVITE for
T.38 or Fax Pass Through.
Select either Fixed or Adaptive based on network conditions.
Select Low, Medium or High based on network conditions.
• High (initial 200ms, min 40ms, max 600ms) Note: not all vocoders can meet the
high requirement
• Medium (initial 100ms, min 20ms, max 200ms)
•
Low (initial 50ms, min 10ms, max 100ms)
Default is Disabled. Other options are Enabled but not forced, and Enabled and
forced.
It uses SDP Security Description to exchange key. Please refer
SDES: http://www.apps.ietf.org/rfc/rfc4568.html
SRTP: http://www.apps.ietf.org/rfc/rfc3711.html
Depends on standard phone type (and location)
Select the value according to the local Telco standard where the GXW40XX is installed.
Please refer to the pull down list to select.
Default is No. If set to “Yes”, polarity will be reversed upon call establishment and
termination.
Set to Yes if the traditional PBX you are using with GXW40XX uses this method for
signaling call termination. Default is No.
Loop Current
Disconnect duration
Default is 200. In 100 - 1 0000 milliseconds range.
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