CHAPTER60 Configuration Parameters Reference
Mediant 4000 SBC | User's Manual
Voice Parameters
The voice parameters are described in the table below.
Table 60-31:Voice Parameters
Parameter Description
'Input Gain'
configure voip > media voice >
input-gain
[InputGain]
Global parameter defining the pulse-code
modulation (PCM) input (received) gain control
level (in decibels).
You can also configure the feature per specific
calls, using IP Profiles (IpProfile_InputGain) . For
a detailed description of the parameter and for
configuring the feature, see Configuring IP
Profiles.
Note: If the feature is configured for a specific
profile, the settings of the global parameter is
ignored for calls associated with the profile.
'Voice Volume'
configure voip > media voice >
voice-volume
[VoiceVolume]
Global parameter defining the voice gain control
(in decibels). This defines the level of the
transmitted signal.
You can also configure the feature per specific
calls, using IP Profiles (IpProfile_VoiceVolume) .
For a detailed description of the parameter and for
configuring the feature, see Configuring IP
Profiles.
Note: If the feature is configured for a specific
profile, the settings of the global parameter is
ignored for calls associated with the profile.
configure voip > media voice
codecs > G726-voice-payload-
format
[VoicePayloadFormat]
Determines the bit ordering of the G.726 voice
payload format.
■ [0] = (Default) Little Endian
■ [1] = Big Endian
Note: To ensure high voice quality when using
G.726, both communicating ends should use the
same endianness format. Therefore, when the
device communicates with a third-party entity
that uses the G.726 voice coder and voice quality
is poor, change the settings of the parameter
(between Big Endian and Little Endian).
'Echo Canceler'
configure voip > media voice >
echo-canceller-enable
[EnableEchoCanceller]
Global parameter enabling echo cancellation (i.e.,
echo from voice calls is removed).
You can also configure this feature per specific
calls, using IP Profiles (IpProfile_
EnableEchoCanceller) ) . For a detailed
description of the parameter and for configuring
the feature, see Configuring IP Profiles .
Note: If the feature is configured for a specific
profile, the settings of this global parameter is
ignored for calls associated with the profile.
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