[macro-faxreceive]
exten => s,1,Set(FAXFILE=/voctel/spool/fax/${ARG1}/${UNIQUEID}.tif)
exten => s,n,Set(EXTVALUE=${ARG1})
exten => s,n,Set(EXTEMAIL=${ARG2})
exten => s,n,RxFAX(${FAXFILE})