Article: XO Communications rolls out new VoIP service utilising Sonus-based infrastructure; New XOptions Flex leverages Sonus' carrier-grade solutions to deliver enhanced next generation IP services to XO's business customers.

M2 PRESSWIRE-31 January 2005-Sonus Networks: XO Communications rolls out new VoIP service utilising Sonus-based infrastructure; New XOptions Flex leverages Sonus' carrier-grade solutions to deliver enhanced next generation IP services to XO's business customers(C)1994-2005 M2 COMMUNICATIONS LTD

RDATE:01312005

CHELMSFORD, Mass. - Sonus Networks (Nasdaq: SONS), a leading supplier of service provider voice over IP (VoIP) infrastructure solutions, announced today that XO Communications, Inc. (OTCBB: XOCM.OB) is rolling out XOptions Flex, the first in a series of the carrier's new enhanced services delivered over the XO national IP network and Sonus Network ...

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