Two pairs of
IP PBX vendors and
SIP-trunking providers have announced certification with each other's products. Panasonic Corp.'s NCP (Network Communication Platform) IP PBX system is now certified interoperable with Broadvox LLC's
GO! SIP Trunking Service. Toshiba America Information Systems Inc.'s Strata CIX IP business communications systems are interoperable with
Broadcore Inc.'s SIP trunking service. SIP trunks deliver phone calls over high-speed IP links to IP PBXes on a company's premises, eliminating the need to pay for conventional phone lines from traditional telecom carriers. The certification guarantees that the specified services and equipment will work together
