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Leveraging its Carrier and Enterprise VoIP leadership, Nortel brings to market Session Initiation Protocol (SIP) Business Trunking to allow service providers and enterprises to benefit from the best of VoIP technology at the lowest cost and from additional value added / revenue generating services such as Unified Communications and Mobile Extension. This paper discusses the SIP Business Trunking market drivers and business case for both service providers and enterprise. Additionally, it describes the Nortel solution which delivers on these expectations.
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