SIP phones "growling" or muffled ring tone

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  • browne3
    Aspiring Member
    • May 2022
    • 2

    SIP phones "growling" or muffled ring tone

    Hello,

    We are experiencing an odd behavior that I am trying to troubleshoot. On one floor of our office building the suites get a "growling" or muffled ring tone, and a delayed Caller ID. Sometimes the calls will not complete.

    When we trace on the network and with the carrier, we cannot any obvious errors. Since we are using TLS, I cannot see the details on the SIP transactions.

    Has anyone seen this occur and how were you able to fix it?

    Kind Regards,
    Richard
    Sr Telecommunications Engineer
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