[capi-in1]
exten => s,1,NoOp(== Eingehendes CAPI FAX von ${CALLERID(num)} auf ${EXTEN} == )
exten => s,2,Set(FAXFILE=/tmp/${UNIQUEID}.sff)
exten => s,3,capicommand(receivefax|${FAXFILE}|42|40)
exten => s,4,capicommand(sendfax|${FAXFILE}|7|asterisk)
exten => s,5,Hangup()