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Thread: 407 proxy authentication errors

  1. #1
    Join Date
    Sep 2012
    Location
    Winter Haven, Fl
    Posts
    9

    Default 407 proxy authentication errors

    I'm getting occasional outbound call failures with a recording about the ISP reporting a 407 error.

    My obi202 call history says: Call Ended (407 Proxy Authentication Required)

    I had a bunch of these a few days ago, and they went away when I rebooted the obi. But I've just had another one.

    Any thoughts?

  2. #2
    Join Date
    Feb 2007
    Posts
    421

    Default Re: 407 proxy authentication errors

    Not sure of your setup, but it sounds like a firewall/port conflict where it's not allowing the connection.

    Again; not knowing your setup, but the very first thing I do when troubleshooting a voip adapter having issues on a network, is try and isolate the adapter totally. I.e. In your case, just the obi202 and the internet (DSl, Cable modem, etc). If you have the OBI202 behind a network router, experiment with DMZ.

    Again; maybe you tried some of this, but not knowing your network setup, I can only suggest based on my networking experience. Take care. Mike.
    Mike
    "Born Wild - Raised Proud"
    Do you like your life? - Thank a Vet!!!

  3. #3
    Join Date
    Jul 2010
    Posts
    355

    Default Re: 407 proxy authentication errors

    @FloridaMatt, which voipo server are you registered to?

    I had a client with the same problem on Friday. Went away after they rebooted their pbx and comcast modem/router.

    But that could have been a coincidence. The problem may have been elsewhere, and it would have resolved even if they didn't reboot.

    Also, what DSN servers are you using? I've heard that switching to use Google free DNS servers can help resolve some of these types of issues.

    Their DNS servers are at 8.8.8.8 and 8.8.4.4
    Last edited by GreenLantern; 03-07-2016 at 12:13 PM.

  4. #4
    Join Date
    Feb 2007
    Location
    Kitsap County, WA.
    Posts
    727

    Default Re: 407 proxy authentication errors

    8.8.4.4 not 8.4.4.4

  5. #5
    Join Date
    Jul 2010
    Posts
    355

    Default Re: 407 proxy authentication errors

    Quote Originally Posted by chpalmer View Post
    8.8.4.4 not 8.4.4.4
    whoops. Thanks!

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