Hi Folks,I am having some trouble with a UC520/CUE with a SIP Trunk Provider.The scenario is that we have the UC520 on our LAN with its F0/0 WAN port directly connected to a DMZ, with a public IP Address on the internet, and we have inbound/outbound ...

Hi all,Looking for some assitance here, as I have an issue that's driving me nuts.We have a campus network with a 4506 as the core with OM3 fibre links to dual distribution switches (one on the 4th floor of each wing, and one on the ground floor).The...