Where can I find information such as:Cisco Current Standing in IP Communication market, How many IP Phones Cisco has sold so far compare to other vendors?Thanks

When is it required to integrate Cisco Unity with Legacy Octel Voice Mail System? WE currently have Avaya Call Processing and Octel Voice Mail System, and looking into Cisco Call Manager and Cisco Unity. Just to start out we want to replace IT peopl...

Has anyone ever configured VWIC MFT 1-Port E1, 2811 router. The router is currently installed in Mexico, and we are trying to connect to PSTN in Tijuan, MX. There is not much from Telco. They won't even tell us whether it is an E1(PRI) or E1(CAS),...

Does someone know the most common ISDN Signaling Type for E1 used in Mexico. I am not getting any help from Telco at Mexico.Regards,

How may servers can be supported in a cluster by Call Manager 4.0/4.1?How many phones/devices can be supported per server by Call Manager 4.0/4.1Couldn't find this info on CCO.Thanks