Grandstream Networks announces that its SIP-based phones are now interoperable with sipgate, a pioneering VoIP service provider in Europe. Grandstream’s GXP1450 and GXP21xx series of Enterprise HD IP telephones were successfully tested and certified on sipgate One, a full-featured, Internet-based phone service that comes complete with a free telephone number, no set-up costs and no monthly minimums. Resellers, integrators and SMBs/SMEs worldwide seeking a high quality yet affordable, easy-to-setup, easy-to-use phone service that replaces or supplements existing landlines can use sipgate One VoIP service and Grandstream’s SIP HD phones from anywhere in the world.

The new GXP series of enterprise SIP telephones, specifically, the GXP2100, GXP2110, GXP2120, and GXP1450 feature superior HD voice quality, PoE, XML customization flexibility, and productivity applications for enterprise and call center customers in need of advanced IP telephony functionality, secure and automated provisioning capability, crystal clear voice communications as well as broad SIP interoperability, and integrated web applications.

Grandstream IP CPE solutions will be visible in Hall 13, Stand E32 (Grandstream)and Hall 13, Stand D52 (sipgate) at CeBIT, March 1-5 in Hanover, Germany.