Having phones in a Call Manager Express setup that are resetting sporatically during the day. The only thing that has recently changed is their Internet connection is DHCP cable modem. I heard that someone had a similar problem and I needed to chan...

I am trying to get Windows NPS Radius to authenticate users into switches and routers. I have followed a very thorough document that I found online. However, I am not having success getting authentication to work. Has anyone had any success with i...

I have a facility that has WAN connectivity problems. I have an AT&T Frame-relay MPLS WAN. If I have the circuit connected to the router via a WIC-1DSU-T1-V2 the circuit will not come up. If I connect the same circuit to the same router via a VIC-...

We are experiancing a few phones at 1 location that are cutting out during a internal or external call. If you hit the ? twice during the call all the phone effected are experiancing a lot of packet loss. Sometime the effected phones will also re-r...

I am getting one way audio on a single phone out of 75 phones at one site. It only occurs on calls coming or going to the outside. Internal calls have no problem. I've swapped the phones, changed the network cables, changed the switchport, checked...