Version 5.2 335 September 2007
SIP User's Manual 6. ini File Configuration
Table 6-13: Channel Parameters
ini File Field Name
Web Parameter Name
Valid Range and Description
VoiceVolume
For a description of this parameter, refer to 'Configuring the Voice
Settings' on page 166.
RTPRedundancyDepth
For a description of this parameter, refer to 'Configuring the RTP /
RTCP Settings' on page 172.
RFC2198PayloadType
For a description of this parameter, refer to 'Configuring the RTP /
RTCP Settings' on page 172.
EnableSilenceCompression
For a description of this parameter, refer to 'Configuring the Voice
Settings' on page 166.
IsCiscoSCEMode
[0] = No Cisco gateway exists at the remote side (default).
[1] = A Cisco gateway exists at the remote side.
When there is a Cisco gateway at the remote side, the local
gateway must set the value of the 'annexb' parameter of the fmtp
attribute in the SDP to 'no'. This logic is used if
EnableSilenceCompression = 2 (enable without adaptation). In this
case, Silence Suppression is used on the channel, but not
declared in the SDP.
Note: The IsCiscoSCEMode parameter is only relevant when the
selected coder is G.729.
EnableEchoCanceller
For a description of this parameter, refer to 'Configuring the Voice
Settings' on page 166.
MaxEchoCancellerLength
For a description of this parameter, refer to Configuring the
General Media Settings on page 177.
EchoCancellerAggressiveNLP
Enables or disables the Aggressive Non-Linear Processor (NLP) in
the first 0.5 second of the call.
[0] = Disabled (default)
[1] = Enabled
EnableNoiseReduction
Enables / disables the DSP Noise Reduction mechanism.
[0] = Disable (default).
[1] = Enable.
Note: When this parameter is enabled the channel capacity might
be reduced.
EnableStandardSIDPayloadTy
pe
For a description of this parameter, refer to 'Configuring the RTP /
RTCP Settings' on page 172.
ComfortNoiseNegotiation
For a description of this parameter, refer to 'Configuring the RTP /
RTCP Settings' on page 172.
RTPSIDCoeffNum
Determines the number of spectral coefficients added to an SID
packet being sent according to RFC 3389. Valid only if
EnableStandardSIDPayloadType is set to 1.
The valid values are [0] (default), [4], [6], [8] and [10].
DTMFVolume
For a description of this parameter, refer to 'Configuring the Voice
Settings' on page 166.
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