The evolution to IP technology, VoLTE and new video services will have a profound impact on the way person-to-person media processing will be performed in the networks of the future. This evolution raises some questions: what processing will be needed, where will it take place and how will it be implemented? There's a strong argument for regarding telephony as one of the first cloud-based services. Since the invention of the telephone, the industry has evolved significantly and operators have developed a flexible range of services for subscribers provided on a pay-as-you-use basis. Smartphones have brought an enriched experience to users and theoretically they, along with other advanced terminals, could perform much of the media processing traditionally taken care of by networks. However, the constraints posed by bandwidth and battery life, along with the desire to provide new services independent of terminal type, tend to indicate that most mediaprocessing services will remain in the network.
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