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  1. b1gman

    VOIP Echo on IP phones

    Guys,the echo occurs ip-ip phone & when the calls are ip direct.We have done some testing with hairpinning "off" but the problem still there.We have also monitored the lan for any broadcast messages or any form of high/unusual traffic but it's drawn a blank so far.It's a strange one...
  2. b1gman

    VOIP Echo on IP phones

    Sir, I have upgraded all firmware and have the latest hardware versions (from avaya) and have DS1 echo-c switched on.The problem never seems to stay on one particular phone but gives the impression of "floating about".It is not particular to any switch,server or router and is hard to...
  3. b1gman

    VOIP Echo on IP phones

    Hi guy's, Has anyone out there had echo using voip on ip hardphones (4606,4612,/softphones on Definity v9 & v10 ?? The echo problems are on internal,external,incoming,outgoing calls.We also have 6408d+ phones which are no problem.Echo occurs anytime/any place.Have done echo cancelling,customer...

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