The Multimedia Communication Server (MCS) 5100 is a leading unified communications solution which seamlessly integrates IP Telephony, multimedia conferencing, instant messaging (IM), presence and other collaboration tools for employees — anywhere, anytime, increasing user mobility, enhancing productivity, improving the effectiveness of communications and reducing communication costs.

The MCS 5100 is available for enterprises of any size and can be seamlessly integrated into existing Nortel voice environments and other environments. MCS clients include a variety of hard IP sets, a PC client, a web client, a mobile client for wireless PDAs, a client which integrates with IBM Lotus Notes and Microsoft Outlook, and a variety of 3rd party SIP devices.

• IP telephony: enables users to make and receive calls from virtually anywhere and enhances the telephony experience with desktop video, picture caller id, and real-time call screening
• Audio conferencing: reservation-less conference bridging that scales to thousands of users with a rich feature set including IM-based notification of participants joining and departing the bridge and typically at a much lower cost that traditional outsourced conferencing
• Video conferencing: economically extends video from the video conference room to the desktop while providing interworking with existing 3rd party video conferencing systems
• Web collaboration: enables publishing of documents and sharing of applications through a web browser where participants can collaborate
• Instant messaging (IM) and presence: secure instant messaging with rich dynamic presence so users can see the best way to communicate with co-workers and control their own availability
• Collaboration: extending beyond just audio/video conferencing and IM, delivers other tools including chat rooms, file transfer, whiteboard sharing, web push and co-browse, and transfer clipboard
• Personal agent: provides an easy to use interface for managing the users various communications devices by defining rules for find me, follow me as well as call screening and routing
• Client flexibility: numerous clients to choose from including hard sets, PC and web based soft clients, a client that plugs into IBM Lotus Notes and Microsoft Outlook, a wireless PDA client, and other 3rd party clients