I will start with our current situation, then explain the problem.  We have are using Cisco Unified Call Manager version 10.0.1.10000-24.  All incoming calls to our organization are received via SIP trunk.  We have recently purchased an existing clin...

I have a Cisco 4510 core switch connected to multiple data closets running 3750g and 3750x switches.  These are all fiber linked and configured for 802.1Q trunks.  We have numerous vlans and have had no trouble with communications before.  Now, we su...