Hi Daniel,Voice Quality issue needs to be troubleshoot real time since issue is happening to RTP (Real time protocol). There are not much debugs or traces which will be helpful. Best troubleshooting would be to take packet captures such as Wireshark,...

Hello Mariana Llamas,Since you upgraded from CME to CUCM, I believe that issue started after the upgrade. As you mention that issue is only with 7965 and other newer model of the phones, and, older 7940 phones are working fine. Furthermore, changing ...

Hi Gerardo Urrusti,Echo and first few words clipping is very common problem on FXO line. The reason is that, every FXO line needs different gains and attenuation setting  as well as Echo cancellers setting. The echo heard by the IP phones is most lik...

Hi Fernando Mondragon,Looks like you are having issues on your 7945 phone negotiating g722u inplace of G711u. If you notice on sender codec in 7821, you will see that its doing G711. Where as on 7945 phone it is saying codec received as G722. This wi...

Hey Gregory,Great news that you were able to fix the issue. Can you please share your resolution. What was the issue and how were you able to fix it?Thanks,Malick