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Please remember to press the modify button to take it effect. For store back to flash memory, please
press “Save Modification” (Plaase refer to the “Syetem Maintenance Save Modification”).
Call Setup
This page defines the optional special VoIP parameters when making/received a VoIP call. For define
some special parameters for different VoIP equipment or authorize purpose, please add a profile at
“VoIP Config Call Routing Call Setup”, and use the same name as the profile on the “Call in
Routing Table” (Please refer to the “VoIP Config Call Routing VoIP Call In”) or “Call out
Routing table” (Please refer to the “VoIP Config Call Routing VoIP Call Out”).
Parameter Description
Name
Specify a profile name. Please use UNDERLINE to replace the SPACE
due to HTTP protocol limitation.
VAD
ON: turn on the VAD (Voice Activity Detection) function.
OFF: turn off the VAD function, please select ON for save the
bandwidth.
CODEC
Select different voice CODEC for VoIP communication. The bit rate of
G.723.1 is 5.3k/6.3k, G.729 is 8k, uLaw and aLaw is 64k per second.
The G.723.1 is default CODEC.
H.245 tunneling
ON: to enable H.245 tunneling.
OFF: to disable H.245 tunneling.
DTMF Relay
When select UIn bandU to transfer the DTMF during VoIP, the user
pressed DTMF tone will be treat as general voice and been compressed
then transmit to remote side to decompress play back, it maybe cause
some problem on duplicate or missing DTMF receive.
When select “Out band” to transfer the DTMF during VoIP, the user
pressed DTMF tone will be decode by local VoIP router then transmit as
signal, after received on received remote VoIP router, it will be
regenerate by remote VoIP router. The default value is Out band.
T.38 FAX Relay
ON: FAX will be transmitted by using T.38 FAX over IP protocol.
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