User's Manual 226 Document #: LTRT-89730
Mediant 3000
• 'AGC Disable Fast Adaptation' (AGCDisableFastAdaptation) - Enables the AGC
Fast Adaptation mode.
3. When using AGC with the SBC application, the 'Transcoding Mode'
(TranscodingMode) parameter must be set to Force. The parameter can either be the
global parameter or per IP Profile.
4. Click Submit.
15.7 Configuring Various Codec Attributes
The following codec attribute settings can be configured in the General Media Settings
page:
AMR coder:
• 'Payload Format': Defines the AMR payload format type.
G.729EV coder:
• 'G729EV local MBS': Defines the maximum bit rate (in kilobits per second - Kbps)
that can be used by the G.729EV coder for a specific channel.
• 'G729EV Maximum Bit Rate': Defines the maximum generation bit rate for all
participants in a session using G.729EV coder.
• 'G729EV receive MBS': Defines the value of the MBS field of the sent G.729EV
frames.
Microsoft RTAudio (RTA) coder:
• 'Microsoft RTA Bit Rate': Defines the transmit (Tx) bit rate of the Microsoft RTA
NB at clock rate 8 kHz.
• 'Microsoft RTA Forward Error Correction': Enables Forward Error Correction
(FEC) for the Microsoft RTA narrowband coder (MS RTA NB).
Speex coder:
• 'Speex NB Bit Rate': Defines the transmit (Tx) bit rate of the Speex narrowband
codec at clock rate 8 kHz sampling rate
• 'Speex WB Bit Rate': Defines the transmit (Tx) bit rate of the Speex wideband
codec at clock rate 16 kHz sampling rate
For a detailed description of these parameters and for additional codec parameters, see
''Coder Parameters'' on page 925.
To configure codec attributes:
1. Open the General Media Settings page (Configuration tab > VoIP menu > Media >
General Media Settings).
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