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User's audio dropping out during VoIP calls across network

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  • 1.  User's audio dropping out during VoIP calls across network

    Posted Sep 12, 2024 02:43 PM

    Recently we installed a pair of new Aruba-6405 network switches at our Network "core" and "data center" edge. Both of the switches are operating in VSX for L2 but separate for L3. Since the installation we have received many reports from users stating that they are experiencing a loss in audio when making or receiving phone calls on their work phones (MITEL VoIP phone). The loss of audio occurs for both "on campus" and "off campus" phone calls. 

    We have verified that our OSPF routes are not flapping, and that spanning tree isn't an issue, we have also checked all the interfaces for dropped packets. Based on what our users are experiencing it would seem that the audio traffic is getting dropped at one of our Aruba-6405 switches, however, I cannot prove that.

    That said, does anyone have some ideas on what would can do to further troubleshoot this issue? Just as an FYI, I'm currently working on SLA configuration to verify connectivity through the network, but if there are other things we can do I'll gladly give it a shot. 



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    [Matt]
    [Director of Infrastructure Services]
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