Synway Information Engineering Co., Ltd
SMG Series Analog Gateway User Manual (Version 1.5.3)
Page 42
Users can configure the general fax parameters via this interface. After configuration, click
Save
to save your settings into the gateway or click
Reset
to restore the configurations. If a dialog box
pops up after you save your settings asking you to restart the service, do it immediately to apply
the changes. Refer to
for detailed instructions. The table below explains the
configuration items in Figure 3-41.
Item
Description
T38 Fax Port
The port for T.38 faxing, providing two options:
Use Original Voice Port
and
Use
New Port
. The default setting is
Use Original Voice Port
.
T38 Version
Version of T.38 which is defined by ITU-T. Range of value: 0~3, with the default
value of 0.
T38 Negotiation
The Negotiation mode of T.38, providing two options:
Initiate Negotiation as Fax
Sender
and
Initiate Negotiation as Fax Receiver
. The default value is
Initiate
Negotiation as Fax Receiver
.
Maximum Fax Rate
Sets the maximum faxing rate for both receiving and transmitting. Range of value:
14400, 9600 and 4800, calculated by bps, with the default value of 14400.
Fax Train Mode
Sets the train mode for T.38 fax. The optional values are
transferredTCF
and
localTCF
, with the default value of
transferredTCF
.
Error Correction
Mode
Sets the error correction mode for T.38 fax. The optional values are
t38UDPRedundancy
(Redundancy Error Correction) and
t38UDPFEC
(Forward
Error Correction), with the default value of
t38UDPRedundancy
.
T.30 ECM
Sets whether to enable the T.30 error correction mode. By default this feature is
enabled.
Min Duration of CNG
As stipulated in the standard FAX CNG, the minimum duration of CNG is 500ms
±
15%, calculated by ms, with the default value of 425.
Note: Usually there is no need to modify it; please contact our technicians if
necessary.
Min Duration of CED
As stipulated in the standard FAX CED, the minimum duration of CED is
2600~4000ms, calculated by ms, with the default value of 2600.
Note: Usually there is no need to modify it; please contact our technicians if
necessary.
If you set
Fax Mode
to
Pass-through
, you can see the interface shown as Figure 3-42.
Figure 3-42 Fax Configuration Interface (Pass-through Mode)
The table below explains the configuration item in the above figure.
