An IMS based Inter-Working Solution for Multimedia Service in a Converged Network

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Executive Summary

In the evolution of traditional telecom network towards a converged next generation network, Inter-working is always challenging due to different name spaces and routing mechanism across different communities. Most existing Inter-working solutions are terminal based solutions. They require mobile phone or PC users to install multiple client-side applications on the devices, such as, Google talk client, Skype client, and MSN client, etc. In order to avoid too many client applications running on mobile terminals that normally have a limited resource, a network based Inter-working solution is desired.

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