Send Or Receive Fax; Fax Mode Supported; Explanation Of T.38 And Pass-Through - Baudcom BD-VOIP-128S User Manual

BD-VOIP-128S User Manual

3.8 Send or Receive Fax

3.8.1

Fax Mode Supported

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3.8.2

Explanation of T.38 and Pass-through

T.38
Under the T.38 mode, analog fax signal is converted into digital signal and fax signal tone is
restored according to the signal of peer device. Under the T.38 mode, fax traffic is carried in
T.38 packages.
T 3.0 (Pass-through): Under the pass-through mode, fax signal is not converted and fax
traffic is carried in RTP packets. It uses the G.711 A or G711U codec in order to reduce the
damage to fax signal.
Adaptive Fax Mode: automatically match with the fax mode of the peer device.
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T.38（IP-based）
T.30（Pass-Through）
Modem
Adaptive Fax Mode (automatically match with the peer fax mode)
is an ITU recommendation for allowing transmission of
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3 Basic Operation
fax over IP networks in real time.
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