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sending FAX via faxback


ShadowAnt
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Hello!

I install faxback and I have a trouble with recieving faxes. I try to send fax from analog fax-sip provider (with T.38) - pbxnsip - NET SatisFAXtion

here is a log:

 

1.1.1.3 - faxback

1.1.1.5 - pbxnsip

1.1.1.101 - sip provider

 

[7] 2010/02/05 08:28:11: Last message repeated 2 times

[6] 2010/02/05 08:28:11: Received DTMF F

[7] 2010/02/05 08:28:11: Attendant: Calling extension 777

[7] 2010/02/05 08:28:11: SIP Tx udp:1.1.1.3:5060:

INVITE sip:777@1.1.1.3:5060 SIP/2.0

Via: SIP/2.0/UDP 1.1.1.5:5060;branch=z9hG4bK-77d89e821eab1998222b24bcb014ca34;rport

From: <sip:8632370680@pbx.case.ru:5060;user=phone>;tag=5943

To: <sip:777@pbx.case.ru>

Call-ID: 6ec1ef94@pbx

CSeq: 21702 INVITE

Max-Forwards: 70

Contact: <sip:777@1.1.1.5:5060;transport=udp>

Supported: 100rel, replaces, norefersub

Allow-Events: refer

Allow: INVITE, ACK, CANCEL, BYE, REFER, PRACK, INFO, UPDATE

Accept: application/sdp

User-Agent: pbxnsip-PBX/3.4.0.3201

Alert-Info: <http://127.0.0.1/Bellcore-dr3>

Content-Type: application/sdp

Content-Length: 327

 

v=0

o=- 13668 13668 IN IP4 1.1.1.5

s=-

c=IN IP4 1.1.1.5

t=0 0

m=audio 63512 RTP/AVP 0 8 9 18 2 3 101

a=rtpmap:0 pcmu/8000

a=rtpmap:8 pcma/8000

a=rtpmap:9 g722/8000

a=rtpmap:18 g729/8000

a=fmtp:18 annexb=no

a=rtpmap:2 g726-32/8000

a=rtpmap:3 gsm/8000

a=rtpmap:101 telephone-event/8000

a=fmtp:101 0-16

a=sendrecv

 

[7] 2010/02/05 08:28:11: SIP Rx udp:1.1.1.3:5060:

SIP/2.0 100 Trying

Via: SIP/2.0/UDP 1.1.1.5:5060;branch=z9hG4bK-77d89e821eab1998222b24bcb014ca34;rport

From: <sip:8632370680@pbx.case.ru:5060;user=phone>;tag=5943

To: <sip:777@pbx.case.ru>;tag=IPF_PORT_0024_1010

Call-ID: 6ec1ef94@pbx

CSeq: 21702 INVITE

Contact: <sip:IPFax@1.1.1.3:5060>

User-Agent: Net Satisfaxtion/IP_FAX-8.5.4225.929

Content-Length: 0

 

 

[7] 2010/02/05 08:28:11: SIP Rx udp:1.1.1.3:5060:

SIP/2.0 180 Ringing

Via: SIP/2.0/UDP 1.1.1.5:5060;branch=z9hG4bK-77d89e821eab1998222b24bcb014ca34;rport

From: <sip:8632370680@pbx.case.ru:5060;user=phone>;tag=5943

To: <sip:777@pbx.case.ru>;tag=IPF_PORT_0024_1010

Call-ID: 6ec1ef94@pbx

CSeq: 21702 INVITE

Contact: <sip:IPFax@1.1.1.3:5060>

User-Agent: Net Satisfaxtion/IP_FAX-8.5.4225.929

Content-Length: 0

 

 

[7] 2010/02/05 08:28:11: SIP Rx udp:1.1.1.3:5060:

SIP/2.0 200 OK

Via: SIP/2.0/UDP 1.1.1.5:5060;branch=z9hG4bK-77d89e821eab1998222b24bcb014ca34;rport

From: <sip:8632370680@pbx.case.ru:5060;user=phone>;tag=5943

To: <sip:777@pbx.case.ru>;tag=IPF_PORT_0024_1010

Call-ID: 6ec1ef94@pbx

CSeq: 21702 INVITE

Contact: <sip:IPFax@1.1.1.3:5060>

User-Agent: Net Satisfaxtion/IP_FAX-8.5.4225.929

Allow: INVITE, ACK, BYE, CANCEL, REFER, NOTIFY

Content-Type: application/sdp

Content-Length: 210

 

v=0

o=IPFax 0 0 IN IP4 1.1.1.3

s=SIP Fax Call

i=IPFax

c=IN IP4 1.1.1.3

t=0 0

m=audio 49248 RTP/AVP 0 101

a=rtpmap:0 PCMU/8000

a=rtpmap:101 telephone-event/8000

a=fmtp:101 0-15

a=ptime:20

a=sendrecv

 

[7] 2010/02/05 08:28:11: Call 6ec1ef94@pbx#5943: Clear last INVITE

[7] 2010/02/05 08:28:11: Set packet length to 20

[6] 2010/02/05 08:28:11: Send codec=pcmu/8000 afrer answer

[6] 2010/02/05 08:28:11: Sending RTP for 6ec1ef94@pbx#5943 to 1.1.1.3:49248

[7] 2010/02/05 08:28:11: SIP Tx udp:1.1.1.3:5060:

ACK sip:IPFax@1.1.1.3:5060 SIP/2.0

Via: SIP/2.0/UDP 1.1.1.5:5060;branch=z9hG4bK-37ac123baf4fee949d4eaf868c72d713;rport

From: <sip:8632370680@pbx.case.ru:5060;user=phone>;tag=5943

To: <sip:777@pbx.case.ru>;tag=IPF_PORT_0024_1010

Call-ID: 6ec1ef94@pbx

CSeq: 21702 ACK

Max-Forwards: 70

Contact: <sip:777@1.1.1.5:5060;transport=udp>

Content-Length: 0

 

 

[7] 2010/02/05 08:28:11: Determine pass-through mode after receiving response

[7] 2010/02/05 08:28:11: 6ec1ef94@pbx#5943: RTP pass-through mode

[7] 2010/02/05 08:28:11: 7007803330339123745-1265347685@172.30.77.25#f72475646e: RTP pass-through mode

[7] 2010/02/05 08:28:11: 7007803330339123745-1265347685@172.30.77.25#f72475646e: Media-aware pass-through mode

[7] 2010/02/05 08:28:15: SIP Rx udp:1.1.1.3:5060:

INVITE sip:8632370680@pbx.case.ru:5060 SIP/2.0

Via: SIP/2.0/UDP 1.1.1.3:5060;branch=z9hG4bK1011

From: <sip:777@pbx.case.ru>;tag=IPF_PORT_0024_1010

To: <sip:8632370680@pbx.case.ru:5060;user=phone>;tag=5943

Call-ID: 6ec1ef94@pbx

CSeq: 21703 INVITE

Max-Forwards: 70

Contact: <sip:777@1.1.1.3:5060>

User-Agent: Net Satisfaxtion/IP_FAX-8.5.4225.929

Session-Expires: 3600;refresher=uas

Supported: timer,replaces,billing,presence,*

Allow: INVITE, ACK, BYE, CANCEL, REFER, NOTIFY

Content-Type: application/sdp

Content-Length: 347

 

v=0

o=IPFax 0 1 IN IP4 1.1.1.3

s=SIP Fax Call

i=IPFax

c=IN IP4 1.1.1.3

t=0 0

m=image 49200 udptl t38

a=T38FaxVersion:0

a=T38MaxBitRate:14400

a=T38FaxRateManagement:transferredTCF

a=T38FaxMaxBuffer:200

a=T38FaxMaxDatagram:72

a=T38FaxFillBitRemoval:0

a=T38FaxTranscodingMMR:0

a=T38FaxTranscodingJBIG:0

a=T38FaxUdpEC:t38UDPRedundancy

 

[0] 2010/02/05 08:28:15: UDP: bind() to port 54900 failed

[7] 2010/02/05 08:28:15: UDP: Opening socket on :57948

[7] 2010/02/05 08:28:15: UDP: Opening socket on :57140

[7] 2010/02/05 08:28:15: SIP Tx udp:1.1.1.101:5060:

INVITE sip:8632370680@1.1.1.101:5060;transport=udp SIP/2.0

Via: SIP/2.0/UDP 1.1.1.5:5060;branch=z9hG4bK-290b90ac185fe1cdcaf1380f07c14040;rport

From: <sip:2688634@1.1.1.5:5060;user=phone>;tag=f72475646e

To: <sip:8632370680@1.1.1.101:5060;user=phone>;tag=26237

Call-ID: 7007803330339123745-1265347685@172.30.77.25

CSeq: 27403 INVITE

Max-Forwards: 70

Contact: <sip:2688634@1.1.1.5:5060;transport=udp>

Supported: 100rel, replaces, norefersub

Allow-Events: refer

Allow: INVITE, ACK, CANCEL, BYE, REFER, PRACK, INFO, UPDATE

Accept: application/sdp

User-Agent: pbxnsip-PBX/3.4.0.3201

Content-Type: application/sdp

Content-Length: 331

 

v=0

o=- 54151 54152 IN IP4 1.1.1.5

s=-

c=IN IP4 1.1.1.5

t=0 0

m=image 57140 udptl t38

a=T38FaxVersion:0

a=T38MaxBitRate:14400

a=T38FaxRateManagement:transferredTCF

a=T38FaxMaxBuffer:200

a=T38FaxMaxDatagram:72

a=T38FaxFillBitRemoval:0

a=T38FaxTranscodingMMR:0

a=T38FaxTranscodingJBIG:0

a=T38FaxUdpEC:t38UDPRedundancy

 

[7] 2010/02/05 08:28:15: SIP Tx udp:1.1.1.3:5060:

SIP/2.0 100 Trying

Via: SIP/2.0/UDP 1.1.1.3:5060;branch=z9hG4bK1011

From: <sip:777@pbx.case.ru>;tag=IPF_PORT_0024_1010

To: <sip:8632370680@pbx.case.ru:5060;user=phone>;tag=5943

Call-ID: 6ec1ef94@pbx

CSeq: 21703 INVITE

Content-Length: 0

 

 

[7] 2010/02/05 08:28:15: SIP Rx udp:1.1.1.101:5060:

SIP/2.0 100 Trying

Via: SIP/2.0/UDP 1.1.1.5:5060;received=1.1.1.5;branch=z9hG4bK-290b90ac185fe1cdcaf1380f07c14040;rport=5060

From: <sip:2688634@1.1.1.5:5060;user=phone>;tag=f72475646e

To: <sip:8632370680@1.1.1.101:5060;user=phone>;tag=26237

Call-ID: 7007803330339123745-1265347685@172.30.77.25

CSeq: 27403 INVITE

 

 

[5] 2010/02/05 08:28:15: Passthrough: Changing destination

[7] 2010/02/05 08:28:15: SIP Rx udp:1.1.1.101:5060:

SIP/2.0 200 OK

Via: SIP/2.0/UDP 1.1.1.5:5060;received=1.1.1.5;branch=z9hG4bK-290b90ac185fe1cdcaf1380f07c14040;rport=5060

From: <sip:2688634@1.1.1.5:5060;user=phone>;tag=f72475646e

To: <sip:8632370680@1.1.1.101:5060;user=phone>;tag=26237

Call-ID: 7007803330339123745-1265347685@172.30.77.25

CSeq: 27403 INVITE

Content-Type: application/sdp

Contact: <sip:8632370680@1.1.1.101:5060;transport=udp>;user=phone

Supported: timer,100rel

Content-Length: 103

 

v=0

o=MG4000|2.0 3420 6706 IN IP4 1.1.1.101

s=-

c=IN IP4 1.1.1.101

t=0 0

m=image 52860 udptl t38

 

[7] 2010/02/05 08:28:15: Call 7007803330339123745-1265347685@172.30.77.25#f72475646e: Clear last INVITE

[7] 2010/02/05 08:28:15: SIP Tx udp:1.1.1.3:5060:

SIP/2.0 200 Ok

Via: SIP/2.0/UDP 1.1.1.3:5060;branch=z9hG4bK1011

From: <sip:777@pbx.case.ru>;tag=IPF_PORT_0024_1010

To: <sip:8632370680@pbx.case.ru:5060;user=phone>;tag=5943

Call-ID: 6ec1ef94@pbx

CSeq: 21703 INVITE

Contact: <sip:777@1.1.1.5:5060;transport=udp>

Supported: 100rel, replaces, norefersub

Allow-Events: refer

Allow: INVITE, ACK, CANCEL, BYE, REFER, PRACK, INFO, UPDATE

Accept: application/sdp

User-Agent: pbxnsip-PBX/3.4.0.3201

Content-Type: application/sdp

Content-Length: 92

 

v=0

o=- 13668 13669 IN IP4 1.1.1.5

s=-

c=IN IP4 1.1.1.5

t=0 0

m=image 57948 udptl t38

 

[7] 2010/02/05 08:28:15: SIP Tx udp:1.1.1.101:5060:

ACK sip:8632370680@1.1.1.101:5060;transport=udp SIP/2.0

Via: SIP/2.0/UDP 1.1.1.5:5060;branch=z9hG4bK-91155c8a0f5db5c3c077e16dd28ac96c;rport

From: <sip:2688634@1.1.1.5:5060;user=phone>;tag=f72475646e

To: <sip:8632370680@1.1.1.101:5060;user=phone>;tag=26237

Call-ID: 7007803330339123745-1265347685@172.30.77.25

CSeq: 27403 ACK

Max-Forwards: 70

Contact: <sip:2688634@1.1.1.5:5060;transport=udp>

Content-Length: 0

 

 

[7] 2010/02/05 08:28:15: Determine pass-through mode after receiving response

[7] 2010/02/05 08:28:15: SIP Rx udp:1.1.1.3:5060:

ACK sip:777@1.1.1.5:5060 SIP/2.0

Via: SIP/2.0/UDP 1.1.1.3:5060;branch=z9hG4bK1011

From: <sip:777@pbx.case.ru>;tag=IPF_PORT_0024_1010

To: <sip:8632370680@pbx.case.ru:5060;user=phone>;tag=5943

Call-ID: 6ec1ef94@pbx

CSeq: 21703 ACK

Max-Forwards: 70

User-Agent: Net Satisfaxtion/IP_FAX-8.5.4225.929

Content-Length: 0

 

 

[5] 2010/02/05 08:28:26: SIP port accept from 1.1.7.8:63891

[7] 2010/02/05 08:28:26: SIP Rx tcp:1.1.7.8:63891:

OPTIONS sip:1.1.1.5:5060 SIP/2.0

FROM: <sip:s-caseexch.case.ru:5060;transport=Tcp;ms-opaque=2cb7e09927aa4652>;epid=FC0ADCD96D;tag=b9a0d84671

TO: <sip:1.1.1.5:5060>

CSEQ: 18599 OPTIONS

CALL-ID: b819daf2a97c490ebf7d55910cc06236

MAX-FORWARDS: 70

VIA: SIP/2.0/TCP 1.1.7.8:63891;branch=z9hG4bK27c8619a

ACCEPT: application/sdp

CONTENT-LENGTH: 0

USER-AGENT: RTCC/3.1.0.0

 

 

[7] 2010/02/05 08:28:26: SIP Tx tcp:1.1.7.8:63891:

SIP/2.0 200 Ok

Via: SIP/2.0/TCP 1.1.7.8:63891;branch=z9hG4bK27c8619a

From: <sip:s-caseexch.case.ru:5060;transport=Tcp;ms-opaque=2cb7e09927aa4652>;tag=b9a0d84671;epid=FC0ADCD96D

To: <sip:1.1.1.5:5060>;tag=f7ce52c8fc

Call-ID: b819daf2a97c490ebf7d55910cc06236

CSeq: 18599 OPTIONS

Allow: INVITE, ACK, CANCEL, BYE, REFER, PRACK, INFO, UPDATE

Content-Length: 0

 

 

[7] 2010/02/05 08:28:30: SIP Rx udp:1.1.1.101:5060:

INVITE sip:2688634@1.1.1.5:5060;transport=udp SIP/2.0

Via: SIP/2.0/UDP 1.1.1.101:5060;branch=z9hG4bK5jh8d610700gvec8h7g0.1

Call-ID: 7007803330339123745-1265347685@172.30.77.25

From: <sip:8632370680@1.1.1.101:5060;user=phone>;tag=26237

To: <sip:2688634@1.1.1.5:5060;user=phone>;tag=f72475646e

Content-Type: application/sdp

CSeq: 2 INVITE

Contact: <sip:8632370680@1.1.1.101:5060;transport=udp>;user=phone

Allow: INVITE,CANCEL,BYE,ACK,REFER,UPDATE,INFO

Supported: timer,100rel

Max-Forwards: 69

Content-Length: 222

 

v=0

o=MG4000|2.0 3420 6707 IN IP4 1.1.1.101

s=-

c=IN IP4 1.1.1.101

t=0 0

m=audio 52860 RTP/AVP 0 101 13

a=rtpmap:101 telephone-event/8000

a=fmtp:101 0-15

a=silenceSupp:off - - - -

a=ptime:20

a=rtpmap:13 CN/8000

 

[7] 2010/02/05 08:28:30: Set packet length to 20

[7] 2010/02/05 08:28:30: SIP Tx udp:1.1.1.101:5060:

SIP/2.0 100 Trying

Via: SIP/2.0/UDP 1.1.1.101:5060;branch=z9hG4bK5jh8d610700gvec8h7g0.1

From: <sip:8632370680@1.1.1.101:5060;user=phone>;tag=26237

To: <sip:2688634@1.1.1.5:5060;user=phone>;tag=f72475646e

Call-ID: 7007803330339123745-1265347685@172.30.77.25

CSeq: 2 INVITE

Content-Length: 0

 

 

[6] 2010/02/05 08:28:41: SIP TCP/TLS timeout on 1.1.1.4:41773, closing connection

[7] 2010/02/05 08:28:57: SIP Rx udp:1.1.1.3:5060:

BYE sip:777@1.1.1.5:5060 SIP/2.0

Via: SIP/2.0/UDP 1.1.1.3:5060;branch=z9hG4bK1012

From: <sip:777@pbx.case.ru>;tag=IPF_PORT_0024_1010

To: <sip:8632370680@pbx.case.ru:5060;user=phone>;tag=5943

Call-ID: 6ec1ef94@pbx

CSeq: 21704 BYE

Max-Forwards: 70

User-Agent: Net Satisfaxtion/IP_FAX-8.5.4225.929

Content-Length: 0

 

 

[7] 2010/02/05 08:28:57: SIP Tx udp:1.1.1.3:5060:

SIP/2.0 200 Ok

Via: SIP/2.0/UDP 1.1.1.3:5060;branch=z9hG4bK1012

From: <sip:777@pbx.case.ru>;tag=IPF_PORT_0024_1010

To: <sip:8632370680@pbx.case.ru:5060;user=phone>;tag=5943

Call-ID: 6ec1ef94@pbx

CSeq: 21704 BYE

Contact: <sip:777@1.1.1.5:5060;transport=udp>

User-Agent: pbxnsip-PBX/3.4.0.3201

RTP-RxStat: Dur=46,Pkt=734,Oct=43912,Underun=0

RTP-TxStat: Dur=46,Pkt=910,Oct=155327

Content-Length: 0

 

 

[7] 2010/02/05 08:28:57: Other Ports: 1

[7] 2010/02/05 08:28:57: Call Port: 7007803330339123745-1265347685@172.30.77.25#f72475646e

[7] 2010/02/05 08:28:57: SIP Tx udp:1.1.1.101:5060:

BYE sip:8632370680@1.1.1.101:5060;transport=udp SIP/2.0

Via: SIP/2.0/UDP 1.1.1.5:5060;branch=z9hG4bK-8c7f32049f3c81d47cc43e0eea58e3a2;rport

From: <sip:2688634@1.1.1.5:5060;user=phone>;tag=f72475646e

To: <sip:8632370680@1.1.1.101:5060;user=phone>;tag=26237

Call-ID: 7007803330339123745-1265347685@172.30.77.25

CSeq: 27404 BYE

Max-Forwards: 70

Contact: <sip:2688634@1.1.1.5:5060;transport=udp>

RTP-RxStat: Dur=52,Pkt=1210,Oct=206927,Underun=0

RTP-TxStat: Dur=42,Pkt=3162,Oct=461528

Content-Length: 0

 

 

[7] 2010/02/05 08:28:57: SIP Rx udp:1.1.1.101:5060:

SIP/2.0 200 OK

Via: SIP/2.0/UDP 1.1.1.5:5060;received=1.1.1.5;branch=z9hG4bK-8c7f32049f3c81d47cc43e0eea58e3a2;rport=5060

From: <sip:2688634@1.1.1.5:5060;user=phone>;tag=f72475646e

To: <sip:8632370680@1.1.1.101:5060;user=phone>;tag=26237

Call-ID: 7007803330339123745-1265347685@172.30.77.25

CSeq: 27404 BYE

Contact: <sip:8632370680@1.1.1.101:5060;transport=udp>;user=phone

Supported: timer,100rel

Content-Length: 0

 

 

[7] 2010/02/05 08:28:57: Call 7007803330339123745-1265347685@172.30.77.25#f72475646e: Clear last request

[5] 2010/02/05 08:28:57: BYE Response: Terminate 7007803330339123745-1265347685@172.30.77.25

[7] 2010/02/05 08:29:02: SIP Rx udp:1.1.1.101:5060:

CANCEL sip:2688634@1.1.1.5:5060;transport=udp SIP/2.0

Via: SIP/2.0/UDP 1.1.1.101:5060;branch=z9hG4bK5jh8d610700gvec8h7g0.1

CSeq: 2 CANCEL

Call-ID: 7007803330339123745-1265347685@172.30.77.25

From: <sip:8632370680@1.1.1.101:5060;user=phone>;tag=26237

To: <sip:2688634@1.1.1.5:5060;user=phone>;tag=f72475646e

Max-Forwards: 69

Content-Length: 0

 

 

[7] 2010/02/05 08:29:02: SIP Tx udp:1.1.1.101:5060:

SIP/2.0 481 Call/Transaction Does Not Exist

Via: SIP/2.0/UDP 1.1.1.101:5060;branch=z9hG4bK5jh8d610700gvec8h7g0.1

From: <sip:8632370680@1.1.1.101:5060;user=phone>;tag=26237

To: <sip:2688634@1.1.1.5:5060;user=phone>;tag=f72475646e

Call-ID: 7007803330339123745-1265347685@172.30.77.25

CSeq: 2 CANCEL

Content-Length: 0

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[7] 2010/02/05 08:28:15: UDP: Opening socket on :57948

[7] 2010/02/05 08:28:15: UDP: Opening socket on :57140

 

That worries me. It should say something like "Opening socket on 0.0.0.0:57948". What is the content of "port_bind4" in the pbx.xml directory? Maybe there is some garbage that tells the PBX to bind the ports to something which is impossible.

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Anyway, ":57948" means that the PBX did not bind it to any ports. That is very strange. I cant imagine a situation where this can happen. The only thing I can think of would be that the host does not have a IP address at all (maybe temporarily because the link got lost or the DHCP server did not renew the lease).

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Well, Win64 is something unusual, still these days. IMHO it should not make a difference, but maybe there is really something different. If you can give it a try on a 32-bit system and it behaves different, I would say that would be worth a try.

 

I try it on 32-bit edition of windows server 2003, windows XP, but still have the same problem...

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At 08:28:30 (15 seconds after switching to T.38) the "MG4000|2.0" wants to get back to regular voice. At least it sends a Re-INVITE without T.38. I guess that is the problem here. Maybe it does not like the T.38. Is there anything in the log of this device? That should should contain the hint why this call fails. From the PBX perspective it is hard to say. Until the Re-INVITE the call looks normal.

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