COLT has selected Sonus Networks to deliver the core IP-voice infrastructure for the next phase of its next-generation network (NGN) deployment. COLT, which delivers data, voice and managed services in 100 cities in 13 countries across Europe, is deploying a complete edge to edge Sonus IP-based session control network with gateways in six major European cities. 
The solution includes centralized routing, and session border security for IP access and peering. The network is operational in London, Frankfurt and Paris and will extend to Zurich, Milan and Madrid by the end of summer 2008. Financial terms were not disclosed.
COLT will deploy the complete Sonus solution, including the ASX Access Server, GSX9000, the Network Border Switch (NBS), PSX Call Routing Server, SGX Signaling Gateway, and the Sonus Insight Management System.http://www.sonusnet.comhttp://www.colt.net
