Thomson has announced the development of the final blocks necessary to turn its existing Cirpack SoftSwitch solutions to a full IP Multimedia Subsystem architecture. The new developments are the Home Subscriber Server (HSS), the central database of an IMS network, and the Call Session Control Function (I-CSCF and S-CSCF), the core components of an IMS architecture, responsible for routing requests from users to actually deliver any multimedia services even when roaming. The Thomson core IMS solution leverages the Cirpack softswitch platform, a field-proven Application Server (AS) for telephony and IP Centrex with an IMS/TISPAN Access Gateway Control Function (AGCF) already deployed by over 75 telecom operators in 28 countries on 3 continents servicing over 3 million VoIP subscribers. The Cirpack platform enables operators to quickly deploy VoIP and SIP-based multimedia services at lower costs. It can be later enhanced by simple software add-on to become a comprehensive IMS core network solution.
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