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First thing I’d check if they are all dropping at around 15 minutes. There was a firewall setting that by default dropped mra calls every 15 minutes. <br>
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<div dir="ltr">Sent from my iPhone</div>
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<blockquote type="cite">On Nov 24, 2021, at 11:32 AM, Jonathan Charles <jonvoip@gmail.com> wrote:<br>
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<div dir="ltr">Both internal and external, multiple users, multiple locations
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<div>We are seeing call drops, and the only things the logs (on the Expressway E's) show is a Bye coming from CUCM.</div>
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<div>tvcs: Event="Request Received" Service="SIP" Src-ip="10.1.28.210" Src-port="25845" Dst-ip="10.2.9.165" Dst-port="7001" Call-serial-number="b5ef5cdf-c039-48ec-91af-8ef6f4f4204c" Tag="dfd1d116-6100-48f6-8dcf-d2efe0b6f552" Protocol="TLS" Method="BYE" Request-URI="sip:4ed5aa08-624f-82a4-8c7f-6863f6545aa9@192.168.10.25:53171;transport\=tls"
To="<a href="mailto:sip%3A6656002@CUCMS01.BANANA.COM">sip:6656002@CUCMS01.BANANA.COM</a>" Level="2" UTCTime="2021-11-24 16:10:45,389"<br>
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<div>CUCM is 12.5</div>
<div>Expressway is v14.0.3</div>
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<div>Just wondering what to check...</div>
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<div>Thanks!</div>
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<div>Jonathan</div>
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