Fax-server extension always busy

Discussion in '3CX Phone System - General' started by MatsW, May 1, 2009.

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  1. MatsW

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    I have 3CX server v7.1.6391.0 with a 3CXPSMINI license installed on a XP Pro host. The fax server has extension 88, and one of my lines is configured to always "Send fax to email of extension" to default fax extension. But when I call the line I always gets busy. The log says

    09:57:59.447 [CM503008]: Call(21): Call is terminated
    09:57:59.432 [CM503008]: Call(21): Call is terminated
    09:57:58.416 [CM503007]: Call(21): Device joined: sip:88@192.168.100.23:5100;user=phone
    09:57:58.369 [CM503007]: Call(21): Device joined: sip:SIP_5FM@85.195.3.109
    09:57:58.338 [CM503002]: Call(21): Alerting sip:88@192.168.100.23:5100;user=phone
    09:57:58.197 [CM503004]: Call(21): Calling: @[Dev:sip:88@192.168.100.23:5100;user=phone]
    09:57:58.182 [CM503010]: Making route(s) to <sip:88@192.168.100.23:5060;user=fax>
    09:57:58.182 [CM505003]: Provider:[NETatONCE privat] Device info: Device Not Identified: User Agent not matched; Capabilities:[reinvite, replaces, able-no-sdp, recvonly] UserAgent: [] Transport: [sip:192.168.100.23:5060]
    09:57:58.135 [CM503001]: Call(21): Incoming call from 084456921@(Ln.10002@NETatONCE privat) to <sip:88@192.168.100.23:5060;user=fax>
    09:57:58.119 [CM503012]: Inbound out-of-office hours rule (unnamed) for 10002 forwards to Fax:88

    I also get busy-tone if I call from a local extension to extension-88

    What could cause the fax-server to even not pick up the line?
     
  2. Borsoock

    Borsoock New Member

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    Hi
    Fax service requires t.38 transmissions. Check if your provider supports FOIP or run wireshark and check INVITEs sent from your provider. Details here:

    http://wiki.3cx.com/Home/technical-documentation-dash/fax-over-ip

    Thanks
     
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  3. ciscotech2007

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    Review INBOUND and OUTBOUND fax configuration of 3CX server and modules.

    http://www.3cx.com/manual/3CXPhoneSystemManual7/phone-system67.html
     
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