########################
sip.conf settings

t38udptlsupport=yes
disallow=all                    ; First disallow all codecs
allow=ulaw                      ; Allow codecs in order of preference
allow=ulaw
   

[isp]
username=8099508401
fromuser=8099508401
type=peer
secret=123456
host=centros.dgtec.net.do
qualify=yes

##################
dial plan

[fax]
exten => s,1,Set(FAXFILE=/tmp/fax.tiff)
exten => s,n,TxFax(${FAXFILE}|caller|debug)
exten => h,1,NoOp(TX: REMOTESTATIONID is ${REMOTESTATIONID})
exten => h,n,NoOp(TX: PHASEESTATUS is ${PHASEESTATUS})


################
call file

Channel: SIP/ISP/8099202009
MaxRetries: 0
WaitTime: 30
Set: LOCALSTATIONID=inxs2
Set: LOCALHEADERINFO=CallWeaver Fax with T38
;Set: T38CALL=1
Context: fax
Extension: s
priority: 1

###########################
sip debug

To: <sip:8099202009@centros.dgtec.net.do>
Contact: <sip:8099508401@200.34.66.133>
Call-ID: 35fd1e3e58ec45e961eb0fd14d8571ef@200.34.66.133
CSeq: 102 INVITE
User-Agent: CallWeaver
Max-Forwards: 70
Date: Mon, 23 Jul 2007 17:47:35 GMT
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY
Content-Type: application/sdp
Content-Length: 346

v=0
o=root 15871 15871 IN IP4 200.34.66.133
s=session
c=IN IP4 200.34.66.133
t=0 0
m=image 14288 udptl t38
a=T38FaxVersion:0
a=T38MaxBitRate:14400
a=T38FaxFillBitRemoval:0
a=T38FaxTranscodingMMR:0
a=T38FaxTranscodingJBIG:0
a=T38FaxRateManagement:transferredTCF
a=T38FaxMaxBuffer:400
a=T38FaxMaxDatagram:400
a=T38FaxUdpEC:t38UDPFEC