Fax / Modem Transparent Mode - AudioCodes Mediant 4000 SBC User Manual
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Also See for Mediant 4000 SBC:
- User manual (964 pages) ,
- Hardware installation manual (40 pages) ,
- User manual (822 pages)
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CHAPTER 15 Media
●
Set the 'Fax Transport Mode' parameter to Events Only (FaxTransportMode = 3).
●
Set the 'V.21 Modem Transport Type' parameter to Events Only
(V21ModemTransportType = 3).
●
Set the 'V.22 Modem Transport Type' parameter to Events Only
(V22ModemTransportType = 3).
●
Set the 'V.23 Modem Transport Type' parameter to Events Only
(V23ModemTransportType = 3).
●
Set the 'V.32 Modem Transport Type' parameter to Events Only
(V32ModemTransportType = 3).
●
Set the 'V.34 Modem Transport Type' parameter to Events Only
(V34ModemTransportType = 3).
2.
Configure the [BellModemTransportType] parameter to [3] (transparent with events).
Fax / Modem Transparent Mode
In this mode, fax and modem signals are transferred using the current voice coder without
notifications to the user and without automatic adaptations. It's possible to use Profiles (see
Coders and Profiles
example, to use the coder G.711, to set the jitter buffer optimization factor to 13, and to enable echo
cancellation for fax and disable it for modem.
➢
To configure fax / modem transparent mode:
1.
On the Fax/Modem/CID Settings page, do the following:
●
Set the 'Fax Transport Mode' parameter to Disable (FaxTransportMode = 0).
●
Set the 'V.21 Modem Transport Type' parameter to Disable (V21ModemTransportType =
0).
●
Set the 'V.22 Modem Transport Type' parameter to Disable (V22ModemTransportType =
0).
●
Set the 'V.23 Modem Transport Type' parameter to Disable (V23ModemTransportType =
0).
●
Set the 'V.32 Modem Transport Type' parameter to Disable (V32ModemTransportType =
0).
●
Set the 'V.34 Modem Transport Type' parameter to Disable (V34ModemTransportType =
0).
2.
Configure the [BellModemTransportType] parameter to [0] (transparent mode).
3.
Configure the following optional parameters:
●
Coders in the Coders table - see
●
'Dynamic Jitter Buffer Optimization Factor' (DJBufOptFactor) -
Jitter
●
'Echo Canceller' (EnableEchoCanceller) - see
This mode can be used for fax, but is not recommended for modem transmission.
Instead, use the Bypass (see
modes (see
) to apply certain adaptations to the channel used for fax / modem. For
Buffer.
Fax / Modem Transparent with Events
Configuring Coder
Groups.
Configuring Echo
Fax/Modem Bypass
Mode) or Transparent with Events
Mode) for modem.
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Mediant 4000 SBC | User's Manual
Configuring the Dynamic
Cancellation.
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Troubleshooting
