I am administrating and ISP and now we have more than 10 different networks separated and independent one another.My idea is to centralize all the network and become one bigger operator.For that I'm thinking in deploying all servers and internet conn...

I have to install a CCME in a hotel and my problem is how to do the billing per room and then charge it to the final invoice in the check out.Is there any billing solution for integrating it in CCME? Which solution do you recommend?Regards

Anybody can tell me the differences between Cisco call manager express and Cisco Unified communications express?

Is it possible to register any sip compliant ip phones like linksys in a Cisco CME when you are using SIP proxy in the router?If you have have tested it please tell me your opinion

Anybody can explain me which are the differences between CCME and CUCE? I have a customer that need 60 extensions and wants to use SIP not SCCP.Is there any disadvantage if I use SIP? Can I register any vendor IP phone in the cisco SIP router?regards