AudioCodes Mediapack mp-11x, Руководство пользователя

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Version 5.2 177 August 2007
SIP User's Manual 5. Web-based Management
Figure 5-42: Voice Settings Screen
2.
Configure the Voice Settings according to the table below.
3.
Click the
Submit
button to save your changes.
4.
To save the changes to flash memory, refer to 'Saving Configuration' on page 238 .
Table 5-34: Media Settings, Voice Settings Parameters
Parameter Description
Voice Volume
[VoiceVolume]
Voice gain control in dB. This parameter sets the level for the
transmitted (IP
Æ /Tel) signal.
The valid range is -32 to 31 dB. The default value is 0 dB.
Input Gain
[InputGain]
PCM input gain control in dB. This parameter sets the level for the
received (Tel/ IP) signal.
The valid range is -32 to 31 dB. The default value is 0 dB.
Silence Suppression
[EnableSilenceCompression
]
Silence Suppression is a method conserving bandwidth on VoIP calls
by not sending packets when silence is detected.
ƒ
[0]
Disable = Silence Suppression disabled (default).
ƒ
[1]
Enable = Silence Suppression enabled.
ƒ
[2]
Enable without Adaptation = A single silence packet is sent
during silence period (applicable only to G.729).
Note:
If the selected coder is G.729, the following rules determine the
value of the 'annexb' parameter of the fmtp attribute in the SDP:
ƒ
EnableSilenceCompression = 0 Æ 'annexb=no'.
ƒ
EnableSilenceCompression = 1 Æ 'annexb=yes'.
ƒ
EnableSilenceCompression = 2 and IsCiscoSCEMode = 0 Æ
'annexb=yes'.