SIP trunking services deliver voice calls from telecom providers to companies over IP data connections. Feeding their traffic directly into IP PBXes on the companies' premises, such services can bring considerable benefits. Sprint began offering SIP trunking to companies using Microsoft's Office Communications Server 2007 R2, an IP PBX software package that runs on Office servers, in February of this year. Now it's making the service generally available to business customers.
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Sep 30, 2009 4:58:19 PM
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8x8,
AT&T,
Bandwidth.com,
Cbeyond,
Covad,
InPhonex,
IP PBX,
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Junction Networks,
Microsoft OCS,
PSTN,
SIP trunking,
Sprint
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