The Application Server 5200 (formerly know as the Multimedia Communication Server or MCS 5200) is designed to manage the complexity of a hyper-connected world by putting the intelligence in the heart of the network.  All Nortel Application Server 5200 applications feature advanced network intelligence and services based on SIP technology that are proven in commercial deployments. This is the key to increasing end-user loyalty. 

As well as delivering the richest set of voice and multimedia services, the AS 5200 delivers Fixed Mobile Convergence (FMC) applications which using a single number can reach you on any device or deliver the message to a single voice mailbox, advanced Web Services which deliver standardized Web Services APIs through which an enterprise can easily include telecommunication services into their web applications, and a powerful customer Web Portal so that the user can customize their services to suit their own particular communication needs and communication style.

• Enterprise
  Nortel Application Server 5200 enables service providers to offer enterprises new multimedia business applications and productivity tools that enhance existing Business Line, Centrex, or PBX communications services
  
  
• Consumer
  Nortel Application Server 5200 enables service providers to offer consumers services that reduce the complexity of different devices while increasing the effectiveness of personal and home office communications.