Thursday, May 28, 2020

Outside calls from specific phone model keep cutting out.

I'm running CUCM 10.5. I've got most of my offices with cisco 7821 phones. However, a few spots have 7965 models. The 7965 internal calls are fine, but external calls are extremely choppy. Not packet loss choppy, just like I would call Microsoft and the automated system would sound more like "Th--k -ou f-r ca-l-in- Mic-o-oft" like every couple syllables cuts out.

I'm trying to rack my brain on any solutions. I'm not amazing with cucm, but it almost doesn't sound like something rtmt would be able to diagnose but I'm not extremely experienced with it.

Anyone ever see anything like this happen?



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