Avaya CM crosstalk with PSTN calls

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  • anjum1
    Member
    • Dec 2013
    • 5
    #1

    Avaya CM crosstalk with PSTN calls

    Hi,
    We have Avaya G450 with S8300 and two MM711 modules in a site. There are 07 PSTN lines connected in one MM711 module and the communication manager is configured with basic inbound outbound calling. The client sometime face cross-talk with PSTN calls, for example Phone A is already talking on PSTN line and Phone B tries to get outside line by pressing 9 it will get the same line Phone A already connected on. This problem is random and occurs with around 20% of the outbound calls. Please help me figure out the problem.

    Thanks,
    Anees
    Tags: avaya, avaya aura, g450, s8300
  • dupl6
    Hot Shot
    • Nov 2013
    • 10
    #2
    Cross Talk

    Please provide version details...Also is the Analog trunks "loop start" or "ground start" configured

    Comment

    • anjum1
      Member
      • Dec 2013
      • 5
      #3
      Hi,

      Thanks for the reply; following is the CM version details and the analog trunk is "loop start". Please let me know if you need anything further.

      Current template installed: CM_onlyEmbed 6.2.0.0.3086 (cm 06.2-02.0.823.0, utility_server 6.2.0.0.15)

      Comment

      • richa164
        Guru
        • Oct 2013
        • 131
        #4
        response

        Are your mm modules/gateway on the latest firmware for your release ?

        Have you had a look at the "show faults" command from the cli of the gateway?

        Does CM show any errors or alarms relating to this ?

        If you run a list trace when this happens does it actually show the behaviour you describe ( accessing a line that is already in use) , this would be easily identified using the "status station"(station on active call) and "list trace" (station trying to call out) , multiple sat session can be achieved with a programme such as putty/tutty.

        I would try this trouble shooting first and post back your findings

        Comment

        • anjum1
          Member
          • Dec 2013
          • 5
          #5
          Hi,

          thanks for the reply:
          mm modules/gateway are not on latest firmware. (do you want me to upgrade to latest?)

          no faults in gateway cli.

          no errors or alarms on CM.

          The problem is very rare I tried to capture list trace before but couldn't simulate problem even after several calls, I will try to simulate problem again tomorrow.

          Thanks.

          Comment

          • richa164
            Guru
            • Oct 2013
            • 131
            #6
            I would certainly get the Gateway and MM Cards on the latest firm ware and then run the tests.

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