Specifications

VoiceFinder VoIP Gateway Configuration Guide (APOS 2.0) Release Version 3.1
AddPac Technology Co., LTD
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3.10.6.6. fax protocol
To specify the global default fax protocol to be used for all VoIP dial peers, use the fax
protocol command in voice-service configuration mode. To return to the default fax protocol,
use the no form of this command.
fax protocol { t38 [redundancy value ] | bypass | inband-t38 [redundancy
value ] }
no fax protocol
3.10.6.6.1. Syntax
Keyword / Argument Description
t38 The fax protocol of ITU-T T.38 standard
Inband-t38 The fax protocol deviated from T.38
Transmits T.38 with RTP payload. The fax transmission
method of COMMWORKS(3COM)
bypass Passes the fax protocol through clean voice channel (G.711)
transparently.
redundancy Configures redundancy for T.38
value Ranges from 0 to 5. The default is 0.
3.10.6.6.2. Command Default
T.38 fax protocol
3.10.6.6.3. Command Modes
Voice-service configuration
3.10.6.6.4. Usage Guidelines
Use fax protocol t38 command to configure t.38 fax relay. This keyword enables T.38 fax relay
protocol packet. Redundancy is used to send T.38 fax packet as an optional parameter.
This option of inband-t38 must be chosen, when you use Commworks’ (formerly 3Com)
equipment.
3.10.6.6.5. Examples
The following example configures t.38 fax protocol for VoIP starting from global configuration
mode.