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Matrix SETU VFXTH System Manual
•
If you have
G.723
as a Preferred Vocoder, select the
G.723 Bit Rate
as
5.3 Kbps
or
6.3 Kbps
. Default:
6.3kpbs.
When G.723 is negotiated, the selected Bit Rate will be applied only when sending the RTP packets. When
receiving RTP packets from the remote end, both the Bit Rates of G.723 will be accepted.
•
Enable
Silence Suppression
flag, if you want SETU VFXTH to suppress the Silence packets and allow
only the Voice packets to pass through. Default: Disabled.
Silence Suppression is applicable only when you have selected G.729 as Preferred Vocoder.
•
Select the
Comfort Noise (CN)
check box, if you want SETU VFXTH to negotiate the Comfort Noise
received in the SDP body with the remote peer. Default: Disabled.
•
Select the
Send VAD
check box, if you want SETU VFXTH to send
VAD = no
in the SDP for any offer and
answer. Default: Disabled.
SETU VFXTH will send
VAD = no
only if G.711 (
Law) or G.711 (A - Law) codec is present in the SDP
offer or answer.
•
Select the
Send ptime header
check box, if you want SETU VFXTH to add ptime header in the SDP offer
and answer. Default: Disabled.
•
You must select the
ptime value
, if you have enabled
Send ptime header
check box and have selected
codec as—G. 729 and/or G.711 (
Law) and/or G.711 (A - Law). You can select from the following:
•
10 msec
•
20 msec
•
30 msec
•
40 msec
Default: 20 msec
For Passthrough FAX, SETU VFXTH will use the default ptime value (20 msec) only.
