sending faxes using faxback

Discussion in '3CX Phone System - General' started by stuart.rendall, Jun 24, 2010.

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  1. stuart.rendall

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    I have been trying to send faxes using Microsoft fax, on the local machine, with faxback. I have managed to get it to register as an extension but 3CX throws an error, when an attempt is made to send a fax.
    In the case below, faxback has registered as extension 14 from 192.168.1.15 and calling number 888888(obscured for privacy). Server is 192.168.1.11

    I do not understand why contact is sip:0001@192.168.1.15 when registered as 14 in faxback.

    Can anyone offer any advice?


    Code:
    23:49:21.298  [CM102001]: Authentication failed for SipReq:  INVITE 888888@192.168.1.11 tid=1005 cseq=INVITE contact=0001@192.168.1.15:5060 / 2 from(wire); Reason: Credentials don't match, check that authorization-ID and password match the ones in extension settings
    23:49:21.298  [CM500002]: Unidentified incoming call. Review INVITE and adjust source identification:
      INVITE sip:888888@192.168.1.11 SIP/2.0
      Via: SIP/2.0/UDP 192.168.1.15:5060;branch=z9hG4bK1005
      Max-Forwards: 70
      Contact: <sip:0001@192.168.1.15:5060>
      To: <sip:888888@192.168.1.11>
      From: "IPFax"<sip:0001@192.168.1.15>;tag=IPF_PORT_0001_1003
      Call-ID: 95cdff36-8161-4e82-b84f-48b5e1989e59@192.168.1.15
      CSeq: 2 INVITE
      Allow: INVITE, ACK, BYE, CANCEL, REFER, NOTIFY
      Proxy-Authorization: Digest username="14",realm="3CXPhoneSystem",nonce="414d535c0233207159:023e9954be61a3a7236da6385b1ec524",opaque="",uri="sip:888888@192.168.1.11",response="5edc8d429f2bbc2f8b353fd533f6090f"
      User-Agent: Net Satisfaxtion/IP_FAX-0.0.0.0
      Content-Length: 0
      
    23:49:21.298  [CM302002]: Authentication failed due to unidentified source of: SipReq:  INVITE 888888@192.168.1.11 tid=1005 cseq=INVITE contact=0001@192.168.1.15:5060 / 2 from(wire)
    23:49:21.048  [CM500002]: Unidentified incoming call. Review INVITE and adjust source identification:
      INVITE sip:888888@192.168.1.11 SIP/2.0
      Via: SIP/2.0/UDP 192.168.1.15:5060;branch=z9hG4bK1004
      Max-Forwards: 70
      Contact: <sip:0001@192.168.1.15:5060>
      To: <sip:888888@192.168.1.11>
      From: "IPFax"<sip:0001@192.168.1.15>;tag=IPF_PORT_0001_1003
      Call-ID: 95cdff36-8161-4e82-b84f-48b5e1989e59@192.168.1.15
      CSeq: 1 INVITE
      Allow: INVITE, ACK, BYE, CANCEL, REFER, NOTIFY
      User-Agent: Net Satisfaxtion/IP_FAX-0.0.0.0
      Content-Length: 0
      
    23:49:21.048  [CM302001]: Authorization system can not identify source of: SipReq:  INVITE 888888@192.168.1.11 tid=1004 cseq=INVITE contact=0001@192.168.1.15:5060 / 1 from(wire)
    23:49:07.642  Active calls counted toward license limit: []
    23:48:35.642  Active calls counted toward license limit: []
    23:48:03.642  Active calls counted toward license limit: []
    23:47:55.579  [CM504001]: Ext.14: new contact is registered. Contact(s): [sip:14@192.168.1.19:5060/14,sip:14@192.168.1.15:5060/14,sip:14@192.168.1.13:5060/14]
    23:47:31.642  Active calls counted toward license limit: []
    
    
     
  2. carolinainnovative

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    This is something I have been working with (and having an issue with) as well.

    The 00001 comes from the faxback configuration on the individual ports (as opposed to the "global" sip configuration for faxback).

    Are you using their free faxback plugin for ms fax or the real Net Satisfaxtion product?
     
  3. stuart.rendall

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    I am trying to use the free plugin
     
  4. carolinainnovative

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    I'll be completely honest with you - I was unable to get it to work after much toil and effort. What it boils down to is the From: line transmitted in the SIP INVITE insists on using the IP address of the fax server and no amount of tweaking can change that. Ok, I say NO amount of tweaking - if you change the "use this ip address" option and put in the ip of the pbx, it changes the from header - but that changes the ip everywhere and basically means no traffic will come back to you - because they're directing it to another IP. It was loads of fun.

    Now - your trace shows you don't have the right username and password in there somewhere. However - even if you get it in there, I doubt you'll be able to convince 3cx to accept the call.

    I am working with their "real" product now - and should have a support server ID shortly. I am having similar issues with their "real" product. I will talk to their support engineers and see if I can come up with anything... just be patient - might take me a day or so.
     
  5. LeonidasG

    LeonidasG Support Team
    Staff Member 3CX Support

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    Personally i haven't heard of faxback, but i can tell you that we've had much success with an other application called: "faxvoip"
     
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  6. dab

    dab

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    But there you have to pay a lot of money for simple signed modem/fax-drivers if you use a 64-bit OS :(
     
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  7. carolinainnovative

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    I have gotten T38FaxVoip working well too. If you're using a 64bit OS, though, like dab said - you'll have to shell out some additional $$ - or really screw with windows.
     
  8. SY

    SY Well-Known Member
    3CX Support

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    What is the reason to use FAX if e-mail is available?
    What is the major benefit provided by FAX?
    What is the business scenario which is covered by FAX(T38, FoIP etc) but not covered by e-mail?

    Thanks
     
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  9. carolinainnovative

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    Stepan, in a perfect world, email and a good scanner (incorporated into your favorite multi-function device) should replace faxing.

    HOWEVER - business still runs on fax. The folks I target with solutions like FaxBack use faxing not because they like it - but because the organizations with whom they work expect it and thus they need a robust way to handle it.

    Programs like faxback help transition folks from traditional walk-up faxing to having everything originate in their email, even if the ultimate destination is a fax machine on the other side.

    It is a stop gap - and one of these days, we will finally eliminate faxing all together. One of these days.

    Not to mention, most business userbases are already accustomed to it and retraining the white-haired-hard-nosed-soft-shoed old lady in accounting to scan to email just isn't going to happen. She wants to walk up to her fax machine with a stack of documents, dial a number and press send. This is something faxback handles extremely well with ATAs, some advanced software, etc - so that outbound fax actualy becomes part of a recorded, audited and trackable system instead of just one fax machine on one particular line all-by-itself.

    (one day all of the the white-haired-hard-nosed-soft-shoed old ladies in accounting will retire - and with each new retiring group, we can make small advances in how communications happen - it just takes time)
     
  10. stuart.rendall

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    Thanks for that, I seem to be getting closer.
    (09:22) fax back successfully registered with 3CX on 192.168.1.11 as ext 14
    (09:25) fax sent using default port configuration "0001"returns 'Authentication failed '
    (09:27) fax sent with port configured to "14" returns 'Incoming call rejected, caller is unknown'

    What is the last thing I am needing?

    Code:
    09:27:34.968  [CM502001]: Source info: From: "IPFax"<sip:14@192.168.1.15>;tag=IPF_PORT_0001_1003<sip:888888@192.168.1.11>
    09:27:34.968  [CM503013]: Call(127): Incoming call rejected, caller is unknown; msg=SipReq:  INVITE 888888@192.168.1.11 tid=1005 cseq=INVITE contact=14@192.168.1.15:5060 / 2 from(wire)
    09:27:34.718  [CM500002]: Unidentified incoming call. Review INVITE and adjust source identification:
      INVITE sip:888888@192.168.1.11 SIP/2.0
      Via: SIP/2.0/UDP 192.168.1.15:5060;branch=z9hG4bK1004
      Max-Forwards: 70
      Contact: <sip:14@192.168.1.15:5060>
      To: <sip:888888@192.168.1.11>
      From: "IPFax"<sip:14@192.168.1.15>;tag=IPF_PORT_0001_1003
      Call-ID: 2085fec5-3531-4806-ab8c-61061843fc87@192.168.1.15
      CSeq: 1 INVITE
      Allow: INVITE, ACK, BYE, CANCEL, REFER, NOTIFY
      User-Agent: Net Satisfaxtion/IP_FAX-0.0.0.0
      Content-Length: 0
      
    09:27:34.718  [CM302001]: Authorization system can not identify source of: SipReq:  INVITE 888888@192.168.1.11 tid=1004 cseq=INVITE contact=14@192.168.1.15:5060 / 1 from(wire)
    09:27:20.250  Active calls counted toward license limit: []
    09:26:48.250  Active calls counted toward license limit: []
    09:26:16.250  Active calls counted toward license limit: []
    09:25:44.250  Active calls counted toward license limit: []
    09:25:13.046  [CM102001]: Authentication failed for SipReq:  INVITE 888888@192.168.1.11 tid=100A cseq=INVITE contact=0001@192.168.1.15:5060 / 2 from(wire); Reason: Credentials don't match, check that authorization-ID and password match the ones in extension settings
    09:25:13.046  [CM500002]: Unidentified incoming call. Review INVITE and adjust source identification:
      INVITE sip:888888@192.168.1.11 SIP/2.0
      Via: SIP/2.0/UDP 192.168.1.15:5060;branch=z9hG4bK100A
      Max-Forwards: 70
      Contact: <sip:0001@192.168.1.15:5060>
      To: <sip:888888@192.168.1.11>
      From: "IPFax"<sip:0001@192.168.1.15>;tag=IPF_PORT_0001_1008
      Call-ID: 65471401-75aa-4635-9632-19309bfcfcfd@192.168.1.15
      CSeq: 2 INVITE
      Allow: INVITE, ACK, BYE, CANCEL, REFER, NOTIFY
      Proxy-Authorization: Digest username="14",realm="3CXPhoneSystem",nonce="414d535c0234f8e886:1ae1516dbd6464fa82e8d6946cfcfe5b",opaque="",uri="sip:888888@192.168.1.11",response="41c23dfab87fe20bbe62b410488b0839"
      User-Agent: Net Satisfaxtion/IP_FAX-0.0.0.0
      Content-Length: 0
      
    09:25:13.046  [CM302002]: Authentication failed due to unidentified source of: SipReq:  INVITE 888888@192.168.1.11 tid=100A cseq=INVITE contact=0001@192.168.1.15:5060 / 2 from(wire)
    09:25:12.796  [CM500002]: Unidentified incoming call. Review INVITE and adjust source identification:
      INVITE sip:888888@192.168.1.11 SIP/2.0
      Via: SIP/2.0/UDP 192.168.1.15:5060;branch=z9hG4bK1009
      Max-Forwards: 70
      Contact: <sip:0001@192.168.1.15:5060>
      To: <sip:888888@192.168.1.11>
      From: "IPFax"<sip:0001@192.168.1.15>;tag=IPF_PORT_0001_1008
      Call-ID: 65471401-75aa-4635-9632-19309bfcfcfd@192.168.1.15
      CSeq: 1 INVITE
      Allow: INVITE, ACK, BYE, CANCEL, REFER, NOTIFY
      User-Agent: Net Satisfaxtion/IP_FAX-0.0.0.0
      Content-Length: 0
      
    09:25:12.796  [CM302001]: Authorization system can not identify source of: SipReq:  INVITE 888888@192.168.1.11 tid=1009 cseq=INVITE contact=0001@192.168.1.15:5060 / 1 from(wire)
    09:25:12.250  Active calls counted toward license limit: []
    09:24:40.250  Active calls counted toward license limit: []
    09:24:08.250  Active calls counted toward license limit: []
    09:23:36.250  Active calls counted toward license limit: []
    09:23:04.250  Active calls counted toward license limit: []
    09:22:45.953  [CM504001]: Ext.14: new contact is registered. Contact(s): [sip:14@192.168.1.15:5060/14]
    
    
     
  11. carolinainnovative

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    Now you have hit the same wall I did. I'm trying to work with their support for an answer. I will advise if I can find one.
     
  12. SY

    SY Well-Known Member
    3CX Support

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    Reason is simple,
    14@192.168.1.15 is not a user of PBX.
     
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  13. carolinainnovative

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    You are correct, of course, stepan - but the problem is convincing FaxBack to actually tell the pbx - i'm extension 14@the.ip.ofthe.pbx instead of 14@ip.of.faxback.machine - and thats why I'm going to have to get their support involved.
     
  14. stuart.rendall

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    By circumventing 3CX and sending the fax straight to the ISDN gateway (patton 4638), the call gets made(checking the gateway status, but the fax fails to send.

    Faxback reports the error as: 'talking detected, with no fax detected' or 'send error, SIP bye before fax was completed', on the two fax numbers I tried.

    I initially tried setting up a specific gateway for the fax, but found the normal voice ones work just as well.

    Nearly there yet again.

    Is this a practical thing to be trying?
     
  15. carolinainnovative

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    Practical - YES. It DOES work. However - once you stop going through 3cx, you're in the realm of needing to work directly with FaxBack's support.
     
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