I am experiencing the exact same issue with a customer running an ICS. It very lightly loaded with 25 users, 20 softphone and 5 IP Phones. They have 2 PRI circuits. There is an MRP300 and an MRP200 running 12.2-11yv code. CM 3.3.3SR4
actually had fixed first problem (bad connector on PRI) and introducing another by moving the PRI's.
We had the PRI's going through a wiring closet that contained the paging system and everytime there was a page, it introduced errors on the PRI and if the errors were great enough, it caused this noise on the line.
The problem was the PRI's (telco issue) in our case
You have reached the Cisco Logistics Support Center.. To Check Status of
your RMA, visit Product Returns & Replacements (RMA). Need help? Contact
us by Phone or Email. North Americas Phone: 1800 553 2447 Option 4
Email: firstname.lastname@example.org Europe Phone: +3...
The short answer is that you don't.... That isn't entirely true while at
the same time it kind of is, but for the most part you don't configure
the softkeys. You enable or disable them via TCL. Here is the long
answer. Be sure to read the whole thing or e...
Topology: IP Phone > Switches > Microsoft NPS setup to forward 802.1x
proxy to > ISE 2.1 patch 3 Authentication: EAP-TLS using Cisco MIC SANs
Phone Models 802.1X support? 802.1x flavor Addtl Comment EAP-MD5 EAP-TLS
Cisco 3905 Y Y N Cisco 6911 Y Y N Cisco ...