User's Manual
152
Document #: LTRT-65417
MP-11x & MP-124
13.2.3 V.34 Fax Support
V.34 fax machines can transmit data over IP to the remote side using various methods.
The device supports the following modes for transporting V.34 fax data over IP:
Bypass mechanism for V.34 fax transmission (see 'Bypass Mechanism for V.34 Fax
Transmission' on page
152
)
T38 Version 0 relay mode, i.e., fallback to T.38 (see 'Relay Mode for T.30 and V.34
Faxes' on page
152
)
Note:
The CNG detector is disabled in all the subsequent examples. To disable the
CNG detector, set the 'CNG Detector Mode' parameter (CNGDetectorMode)
to
Disable
.
13.2.3.1 Bypass Mechanism for V.34 Fax Transmission
In this proprietary scenario, the device uses bypass (or NSE) mode to transmit V.34 faxes,
enabling the full utilization of its speed.
To use bypass mode for T.30 and V.34 faxes:
1.
In the Fax/Modem/CID Settings page, do the following:
a.
Set the 'Fax Transport Mode' parameter to
Bypass
(FaxTransportMode = 2).
b.
Set the 'V.22 Modem Transport Type' parameter to
Enable Bypass
(V22ModemTransportType = 2).
c.
Set the 'V.23 Modem Transport Type' parameter to
Enable Bypass
(V23ModemTransportType = 2).
d.
Set the 'V.32 Modem Transport Type' parameter to
Enable Bypass
(V32ModemTransportType = 2).
e.
Set the 'V.34 Modem Transport Type' parameter to
Enable Bypass
(V34ModemTransportType = 2).
To use bypass mode for V.34 faxes, and T.38 for T.30 faxes:
1.
In the Fax/Modem/CID Settings page, do the following:
a.
Set the 'Fax Transport Mode' parameter to
Relay
(FaxTransportMode = 1).
b.
Set the 'V.22 Modem Transport Type' parameter to
Enable Bypass
(V22ModemTransportType = 2).
c.
Set the 'V.23 Modem Transport Type' parameter to
Enable Bypass
(V23ModemTransportType = 2).
d.
Set the 'V.32 Modem Transport Type' parameter to
Enable Bypass
(V32ModemTransportType = 2).
e.
Set the 'V.34 Modem Transport Type' parameter to
Enable Bypass
(V34ModemTransportType = 2).
13.2.3.2 Relay Mode for T.30 and V.34 Faxes
In this scenario, V.34 fax machines are forced to use their backward compatibility with T.30
faxes and operate in the slower T.30 mode.
To use T.38 mode for V.34 and T.30 faxes:
1.
In the Fax/Modem/CID Settings page, do the following:
a.
Set the 'Fax Transport Mode' parameter to
Relay
(FaxTransportMode = 1).
Summary of Contents for MediaPack MP-112
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Page 21: ...Part I Getting Started with Initial Connectivity ...
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Page 30: ...User s Manual 30 Document LTRT 65417 MP 11x MP 124 Reader s Notes ...
Page 31: ...Part II Management Tools ...
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Page 91: ...Part III General System Settings ...
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Page 103: ...Part IV General VoIP Configuration ...
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Page 199: ...Part V Gateway Application ...
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Page 287: ...Part VI Stand Alone Survivability Application ...
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Page 319: ...Part VII Maintenance ...
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Page 347: ...Part VIII Status Performance Monitoring and Reporting ...
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Page 377: ...Part IX Diagnostics ...
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Page 403: ...Part X Appendix ...
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