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AMP puzzle/challenge - WMM

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  • 1.  AMP puzzle/challenge - WMM

    Posted Jul 07, 2016 12:56 PM

    Hello all,

    So I have a puzzle on my hands, and was wondering if anybody had any suggestions?

    Today I've been troubleshooting issues at a hospital, related to voice call quality. Drops/quality poor etc.

    I've checked all the "normal" things (VRD type stuff), AP spread/volume, ARM, SSID specifics, QoS etc. etc. Nothing stood out that was "wrong" broadly speaking. I then checked on their AMP server, and when interogating some UCC stats, observed the attached screenshot.

    Anybody have any guesses what might account for this? Specifically, I mean where the client DSCP and WMM appears to be 255?!?! That's not normal surely?!?! Note that the call failures seem to mostly follow a patern matching the 255 markers.

    Phones are Mitel 5624. The estate is all Aruba controllers (7210 on 6.4.2.13), with a mix of AP215 and AP225. Stupidly, I didn't make a note of the AMP version. I think it was 8.0.something.

    Any ideas?!?!



  • 2.  RE: AMP puzzle/challenge - WMM

    EMPLOYEE
    Posted Jul 11, 2016 06:03 AM
    This appears to be a bug with short duration calls or calls that failed. We are opening a ticket to investigate.


  • 3.  RE: AMP puzzle/challenge - WMM

    Posted Jul 11, 2016 07:45 AM

    Cheers Colin.

    I suspected it might have been a red-herring to be honest.

    I went off after posting to look for other potential issues, and found a few bits which when tweaked seemed to help.

    Thanks for confirming!