Cisco also rolled out an ISDN Gateway to provide ISDN connectivity for multiple endpoints. The ISDN Gateway products support all Cisco TelePresence endpoints, Cisco says.

Though VX Tactical another hardware-based collaboration endpoint, Cisco is increasingly counting on software to grow its collaboration business. It recently , promising to further develop collaboration software for tablets like 's popular .

Jim Duffy has been covering technology for over 25 years, 21 at Network World. He also writes The Cisco Connection blog and can be reached on Twitter @Jim_Duffy.

in Network World's LANs & Routers section.