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This site was created as a place to share stories, tips, and troubleshooting help with ShoreTel/Mitel systems. ShoreTel/Mitel is obviously the MOST exciting VoiP platform on the market right now, and we realized there was no centralized place to discuss this platform, but now there is. Please feel free to join and share your experiences.

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  • Issue with faxes on Analog Port

    Experiencing an issue with inbound faxes on a Shoretel 220T1A. Faxes come in DID via PRI interface on standard NI-2 PRI and terminate on analog FXS port with a Dell Laser MFP 1600n attached. Only get about 30% of faxes through. Fax is constantly disconnecting with Comm Errors and transmission errors. We have tried optioning the fax for lower speed and no Error Control but to no avail. Has anyone out there experienced this issue? Is there an analog port option that we are missing?

  • #2
    Not that I know of. We have about 20 faxes setup on analogs with no problems. What version of software are you running on the switches?


    • #3
      Issue with faxes on Analog Port

      We have had lots of problems
      mostly a mix of shoretel 90's, and a 24a.
      various Sharp fax machines and even tested a brother
      we have tried incoming from pri and analog
      internal WAN faxing doesn't work either
      error control and speed make no difference
      adjusted TX and RX gain in the shoretel database no change
      adtran switches POE
      cisco routers
      all configs have been checked and confirmed from shoretel and partner / installer
      build 13.24.2504.0
      some fax machines getting 90% error rate

      anyone have any ideas or have overcame this issue?


      • #4
        This may be unrelated, but we had a similair issue with fax's cutting off 1/2 way through. Turns out the Call Stack wasnt set right, and the call waiting tone of a 2nd fax was causing the first fax to drop.


        • #5
          I am having the same problem. Faxes come in though PRI to the Shoregear220T1A. Receiving faxes are usually successful but sending it's probably about 40% that make it though. Shoretel support verified all of the fax settings to be correct. I'm working with the PRI provider now to see if there are any problems on that end.