We have an issue that I believe cannot be uncommon.  Because we bought a bunch of new 2602s we had to upgrade the OS in the wireless controllers but we also had many older aps in use so we had to leave several controller with the older version of the...

I have a known good outside phone number that we used to be able to call from campus tha now no longer responds.  It looks as if it is trying to make the call but I get no ring or any responce.  This just started a week ago but I have made no changes...