First time posting so bear with me.I am looking for a best practice design reference for a customer that wants a two tier firewall structure.  --Does anyone have a reference link/document/book?  --Should the customer use different vendors at each tie...

Any info is appreicated

I apologize if this is a real basic question. I am new to the whole CM world. How do I configure IP communicator access on an phone extension. If someone can point in the right direction that would be great.

Basic CCME test environment and we have at least two 7941G-GE phones that are unresponsive. All they do is cycle green lights on the two line appearances and headset. Resets do nothing. Reprogramming does nothing. Reset to factory defaults is unr...

My company, like many others, replacing our legacy PBX with Cisco Call manager. My question stems from setting up our new 6509's with Sup32 (IOS) with QOS at the ingress ports. We are setting priority for the obvsious stuff like RTP, control traffi...