[Asterisk-Users] AMP - Fax Detections

[Jon Radon]

It's not all that obscure. :)

http://www.voip-info.org/wiki-Asterisk+fax

Look for Zap fax detection 


On Tue, 21 Dec 2004 08:52:11 -0500, Sean Cook <scook at kinex.net> wrote:
> Does anyone know of any obscur reference for detecting an incoming fax.
> I currently have AMP running and everything else is working great.
> Installed the spandsp patches and software... using the default AMP
> extensions.conf, I start sending a fax, I hear it pick up and transfer
> to voicemail after 20s.
> 
> Fax is set for system... Here is the detail from the extensions.conf
> 
> [global]
> FAX_RX = system
> 
> [from-pstn-reghours]
> exten => s,1,GotoIf($[${FAX_RX} =
> disabled]?from-pstn-reghours-nofax,s,1:2)     ; if fax detection is
> disabled, then jump to from-pstn-nofax - else continue
> exten => s,2,Answer
> exten => s,3,Wait(1)
> exten => s,4,SetVar(intype=${INCOMING})
> exten => s,5,Cut(intype=intype,-,1)
> exten => s,6,GotoIf($[${intype} = EXT]?7:9)             ; If INCOMING
> starts with EXT, then assume its an extension
> exten =>
> s,7,Wait(3)                                                    ;wait 3
> more second to make sure this isn't a fax before dialing someone
> exten => s,8,Goto(ext-local,${INCOMING:4},1)
> exten => s,9,GotoIf($[${intype} = GRP]?10:11)   ; If INCOMING starts
> with GRP, then assume its a ring group
> exten => s,10,Goto(ext-group,${INCOMING:4},1)
> exten => s,11,Goto(${INCOMING},s,1)                     ; not EXT or GR1
> - it's an auto attendant
> exten => fax,1,Goto(ext-fax,in_fax,1)
> exten => h,1,Hangup
> 
> [ext-fax]
> exten => in_fax,1,GotoIf($[${FAX_RX} = system]?2:analog_fax,1)
> exten => in_fax,2,Macro(faxreceive)
> exten => in_fax,3,system(tiff2ps -2eaz -w 8.5 -h 11 ${FAXFILE} | ps2pdf
> - ${FAXFILE}.pdf)
> exten => in_fax,4,system(mime-construct --to ${EMAILADDR} --subject "Fax
> from ${CALLERIDNUM} ${CALLERIDNAME}" --attachment ${CALLERIDNUM}.pdf
> --type application/pdf --file ${FAXFILE}.pdf)
> exten => in_fax,5,system(rm ${FAXFILE} ${FAXFILE}.pdf)
> exten => in_fax,6,Hangup
> exten => analog_fax,1,GotoIf($[${FAX_RX} = disabled]?3:2)  ;if fax is
> disabled, just hang up
> exten => analog_fax,2,Dial(${FAX_RX},20,d)
> exten => analog_fax,3,Hangup
> ;exten => out_fax,1,wait(7)
> exten => out_fax,1,txfax(${TXFAX_NAME}|caller)
> exten => out_fax,2,Hangup
> exten => h,1,Hangup()
> 
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