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IMS-based Voice Call Continuity between fixed and mobile

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Created: User:Soku123 (31 May 2007)
Last edited: hamishwillee (27 Jul 2012)

If you are a mobile operator you probably regard Fixed Mobile Convergence as an effective way of increasing the functionality of the mobile handset and maintaining current ARPU levels. But if you are a fixed-line operator you are looking to FMC as a means of countering substitution and displacement trends. Do mobile operators need to be concerned about fixed competitors stealing their customers? Is the technology in-place and reliable enough to deal with call continuity and handover. A true FMC solution requires a reliable mechanism for calls to be handed between wireless and cellular networks seamlessly. UMA was the first, if limited, step in this direction. While UMA falls short on this front, Voice Call Continuity (VCC) has emerged as a viable handover technology that allows for the continuation of voice calls from the IMS domain to the circuit switched domain.

VCC is a SIP-centric approach to FMC, a technique that will allow SIP packets to be transported through a wireless network. Because VCC is based on SIP, it is likely that it will be used as a basis for the provision of multimedia handover in the future. As multimedia handover will play an important role in next generation telecoms networks, major players are adopting innovative approaches to implement it. Which vendors and operators are at the forefront of VCC and multimedia independent handover developments?

VCC is being driven by both mobile operators and fixed telcos, eager to deploy an all-IP solution quickly. Trials are taking place now globally by vendors and operators. There are over 100 VCC trials taking place worldwide, and the first commercial deployments will happen in Q1 2007. visiongain also expects standards-compliant VCC enabled handsets to become commercially available by YE2007

This page was last modified on 27 July 2012, at 08:29.
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