3Com V7111 - VCX 4 Channels Analog FXO Media Gateway User Manual page 74

Channel Parameters
Table 18
INI File Field Name
*
GUI Parameter Name
MFTransportType
(MF Transport Type)
RFC2833PayloadType
(RFC 2833 Payload Type)
InputGain
(Input Gain)
RTPRedundancyDepth
(RTP Redundancy Depth)
VoiceVolume
(Voice Volume)
M
(Packing Factor)
SCE
(Silence Suppression)
ECE
(Echo Canceller)
IPDiffServ
(Network Settings/RTP IP Diff. Serv)
IPPrecedence
(Network Settings/RTP IP Precedence)
74
Valid Range and Description
0 = erase MFs from voice transport, not relayed to remote.
1 = erase MFs from voice transport, relay to remote.
(default)
2 = MFs are not erased from voice, not relayed to remote.
The RFC 2833 DTMF relay dynamic payload type.
Range: 96 – 99, 106 – 127; Default = 96
The 100, 102 – 105 range is allocated for 3Com proprietary
usage.
The same payload type should be used for receive and
transmit.
-31 to 31 corresponding to -31 dB to +31 dB in 1 dB steps.
(Default = 1 dB). PCM input gain.
0 = Disable redundancy packets generation (default).
1 = Enable generation of RFC 2198 redundancy packets.
-31 to 31, corresponding to -31 dB to +31 dB in 1 dB steps
(Default = 1 dB). Voice gain control
Number of codec payloads (5, 10, 20, or 30 ms, depending
on selected codec) to be used for generating one RTP
packet.
M = n payloads (n = 1, 2, or 3); M = 1 (default)
0 = silence compression disabled (default)
1 = silence compression enabled
0 = Echo Canceler disabled
1 = Echo Canceler Enabled (default)
0 – 63 value for setting the Diff Services Code Point
(DSCP).
If defined it will override the IP TOS and IP Precedence
settings.
Applies only to RTP packets.
0 – 7 (default 0)
Sets the value of the IP precedence field in the IP header
for all RTP packets
3Com VCX V7111 VoIP SIP Gateways User Manual