Fax / Modem Transparent Mode - AudioCodes Mediant 3000 User Manual
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Definitions > General Parameters), set the 'Fax Signaling Method' parameter to No
Fax (IsFaxUsed = 0).
2.
In the Fax/Modem/CID Settings page, do the following:
a.
Set the 'Fax Transport Mode' parameter to Events Only (FaxTransportMode =
3).
b.
Set the 'V.21 Modem Transport Type' parameter to Events Only
(V21ModemTransportType = 3).
c.
Set the 'V.22 Modem Transport Type' parameter to Events Only
(V22ModemTransportType = 3).
d.
Set the 'V.23 Modem Transport Type' parameter to Events Only
(V23ModemTransportType = 3).
e.
Set the 'V.32 Modem Transport Type' parameter to Events Only
(V32ModemTransportType = 3).
f.
Set the 'V.34 Modem Transport Type' parameter to Events Only
(V34ModemTransportType = 3).
3.
Set the ini file parameter, BellModemTransportType to 3 (transparent with events).
15.2.2.7 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'' on page 321) to apply certain adaptations to the channel used for fax
/ modem. For 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.
In the SIP General Parameters page (Configuration tab > VoIP menu > SIP
Definitions > General Parameters), set the 'Fax Signaling Method' parameter to No
Fax (IsFaxUsed = 0).
2.
In the Fax/Modem/CID Settings page, do the following:
a.
Set the 'Fax Transport Mode' parameter to Disable (FaxTransportMode = 0).
b.
Set the 'V.21 Modem Transport Type' parameter to Disable
(V21ModemTransportType = 0).
c.
Set the 'V.22 Modem Transport Type' parameter to Disable
(V22ModemTransportType = 0).
d.
Set the 'V.23 Modem Transport Type' parameter to Disable
(V23ModemTransportType = 0).
e.
Set the 'V.32 Modem Transport Type' parameter to Disable
(V32ModemTransportType = 0).
f.
Set the 'V.34 Modem Transport Type' parameter to Disable
(V34ModemTransportType = 0).
3.
Set the ini file parameter, BellModemTransportType to 0 (transparent mode).
4.
Configure the following optional parameters:
a.
Coders table - (Configuration tab > VoIP menu > Coders and Profiles >
Coders).
b.
'Dynamic Jitter Buffer Optimization Factor' (DJBufOptFactor) - RTP/RTCP
Settings page (Configuration tab > VoIP menu > Media > RTP/RTCP Settings).
c.
'Echo Canceller' (EnableEchoCanceller) - Voice Settings page.
Version 6.8
187
15. Media
Mediant 3000
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