Grandstream IP Phones Interoperable and Certified with Sipgate

Sipgate Certifies Grandstream HD IP Phones for Hassle-free, High Quality and Affordable VoIP Solution for SMBs/SMEs

CeBIT, Hanover, Germany Hall 13, Stand E32 (1 March, 2011) – Grandstream Networks, the leading manufacturer of IP voice/video telephony and video surveillance solutions, today announced that its award-winning SIP-based phones are now interoperable with sipgate, a pioneering VoIP service provider in Europe. Grandstream’s GXP1450 and GXP21xx series of Enterprise High Definition (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.

“We are pleased to provide certification for Grandstream’s new line of HD phones as Grandstream is one of our most important partners for VoIP hardware,“ said Tim Mois, General Manager of sipgate GmbH. “Our customers connect with the Grandstream brand with its quality, reliability and ease of use. We look forward to our continued relationship.”

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.

“Sipgate offers a unique and flexible VoIP solution for business customers worldwide,” said David Li, CEO of Grandstream. “Grandstream prides itself on delivering industry leading HD IP phones with innovative features and solid performance. Sipgate VoIP service bundled with Grandstream HD IP telephones effectively displays the compelling value of migrating to VoIP to a business’ bottom line.”

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.  

About sipgate

sipgate GmbH was launched as the first Internet Telephony provider in 2004. Headquartered in Dusseldorf, sipgate GmbH has grown to be the largest network-independent VoIP provider in Germany and Europe with several hundred thousand customers. Visit for more information.

About Grandstream Networks

Founded in 2002, Grandstream Networks is the leading manufacturer of IP voice/video telephony and video surveillance solutions. Grandstream serves the small-to-medium business and consumer markets with innovative products that lower communication costs, increase security protection, and enhance productivity. Our open standard SIP-based products offer broad interoperability in the industry, unrivaled features, flexibility, and price-performance competitiveness. Visit for more information.