ifax:mailto NAPTR works, diffs attached.


Tested with:

# host -t NAPTR 5.0.0.0.0.0.0.0.6.3.2.4.e164.arpa
5.0.0.0.0.0.0.0.6.3.2.4.e164.arpa NAPTR 100 10 "u" "E2U+ifax:mailto" "!^.*$!mailto:mah@inode.at!" .

On a valid ifax:mailto naptr, the call processing will jump to priority + 81.

Some other variables are pulled out of the fax handling and submitted to 
the "mailfax" script.

Example extensions.conf

exten => _6000XXXXX,1,EnumLookup(423${EXTEN})
exten => _6000XXXXX,2,BackGround(beep)
exten => _6000XXXXX,3,Dial,${ENUM}
exten => _6000XXXXX,4,Voicemail2(u${EXTEN}@1)
exten => _6000XXXXX,5,Hangup
exten => _6000XXXXX,52,BackGround(tt-weasels)
exten => _6000XXXXX,53,Hangup
; try ifax naptr
exten => _6000XXXXX,82,SetVar(FAXFILE=/var/spool/asterisk-fax/${UNIQUEID}.tif)
exten => _6000XXXXX,83,SetVar(LOCALSTATIONID=${ENUM})
exten => _6000XXXXX,84,rxfax(${FAXFILE})
exten => _6000XXXXX,85,system(/usr/local/sbin/mailfax ${FAXFILE} "${ENUM}" "${CALLERIDNUM}" "${FAX_REMOTEID}" "${FAX_LOCALID}" "${FAX_PAGES}" "${FAX_RESOLUTION}" "${FAX_RATE}")
exten => _6000XXXXX,86,Wait(1)
exten => _6000XXXXX,87,Hangup
;
exten => _6000XXXXX,102,BackGround(invalid)
exten => _6000XXXXX,103,Hangup
exten => _6000XXXXX,104,Voicemail(b${EXTEN})
exten => _6000XXXXX,105,Hangup