Wednesday, July 9, 2008

Sonus and VeriSign Test IP Number Portability

Sonus Networks and VeriSign completed interoperability testing of number portability queries over IP-based networks.


The companies said the introduction of number portability regulation by many governments has, in some cases, increased the resources needed by carriers to complete the accurate transfer of calls. The implementation of Local Number Portability (LNP) has created the need for carriers to perform a LNP Query. This in turn has resulted in an elevated use of the carrier's SS7 networks, and in some cases necessitates the need to purchase additional SS7 network capacity.


Sonus has implemented an IP-based LNP Query mechanism, ENUM-LNP, as an inexpensive alternative to the traditional SS7-based LNP Query. The IP transported LNP Query is served by the VeriSign Number Identity Registry.http://www.sonusnet.comhttp://www.verisign.com

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