User's Manual 1158 Document #: LTRT-10632
Mediant 800B Gateway & E-SBC
72.10.1 Voice Parameters
The voice parameters are described in the table below.
Table 72-36: 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 functionality per specific calls,
using IP Profiles (IpProfile_InputGain) or Tel Profiles
(TelProfile_InputGain). For a detailed description of the
parameter and for configuring the functionality, see
'Configuring IP Profiles' on page 436 or Configuring Tel
Profiles on page 473.
Note:
If the functionality 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 (IP-to-
Tel) signal.
You can also configure the functionality per specific calls,
using IP Profiles (IpProfile_VoiceVolume) or Tel Profiles
(TelProfile_VoiceVolume). For a detailed description of the
parameter and for configuring the functionality, see
'Configuring IP Profiles' on page 436 or Configuring Tel
Profiles on page 473.
Note:
If the functionality 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).
MF Transport Type
configure voip > media voice > MF-
transport-type
[MFTransportType]
Currently, not supported.
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 functionality per specific calls,
using IP Profiles (IpProfile_EnableEchoCanceller) or Tel
Profiles (TelProfile_EnableEC). For a detailed description
of the parameter and for configuring the functionality, see
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