Vitelity Communications and Grandstream Networks announce interoperability testing and certification of Grandstream's IP Telephony products with Vitelity's SIP trunking services has been successfully completed. Small- to medium-sized businesses and residential users adopting Vitelity's award-winning VoIP service for better financial savings, flexibility and enhanced productivity applications can seamlessly deploy Grandstream's desktop IP Telephony products, including all GXP IP Phones and GXV IP Multimedia Phones.

Vitelity Communications offers unique and flexible VoIP solutions for customers worldwide. "We are thrilled to offer our worldwide customers the opportunity to take full advantage of, and realize the extreme quality of Vitelity's VoIP service offerings by using Grandstream IP phones for the best possible user experience," says Kerry Garrison, Vice President of Strategic Initiatives at Vitelity. "Customers connect with the Grandstream brand -- with its value, reliability, and ease of use. We value this strategic partnership and look forward to jointly evolving our IP offerings to benefit the needs of our customers."

Grandstream GXP Series of Enterprise SIP telephones provides affordability, best-in-class HD audio, a comprehensive set of advanced call features, multi-language support, security protection, simplified management and automated provisioning with TR-069 or HTTPS, advanced XML customization and more. For customers seeking a more advanced, integrated multimedia experience with free real-time video calling capability and instant access to real-time web and social multimedia applications, Grandstream's award-winning GXV IP Multimedia Phones are available.