In the list of actions taken, you mentioned:

"Sent x11 to a different part of the office, just in case an electrical device close to the original cabling was causing the clicking."

Do you mean that some you moved patch cords so that extension #11 was sent to a different location (to an extension that was not having any problems to begin with) and the problem followed along with extension #11? :confused:

I Love FEATURE 00