HOLMDEL, N.J., July 17, 2012 /PRNewswire/ -- Vonage Holdings Corp. (NYSE: VG), a leading provider of communication services connecting individuals through cloud-connected devices worldwide, today announced the grant of U.S. Pat. No. 8,223,720 titled "Systems and Methods for Handoff of Mobile Telephone Call in a VoIP Environment." This invention allows a mobile handset user who is on a voice-over-IP call to seamlessly move between multiple wireless data connections without dropping the call. The '720 patent was granted approximately 7 months after filing under the U.S. Patent and Trademark Office's new Prioritized Examination Procedure. The grant of the '720 patent reflects Vonage's ongoing innovation supporting its mobile growth initiative, including its new Vonage Mobile app for Android and iPhone smartphones which enables free high-definition calls and texts to other app users worldwide, as well as low-cost international calls to phones without the VoIP app. This is Vonage's third patent to issue in six weeks (see previous release), reflecting Vonage's commitment to develop and protect useful and innovative technologies to better serve the needs of Vonage's customers. "Our recent success obtaining this and other patents is a result of the focused efforts of our technical teams and the sound execution of our intellectual property strategy," said Chief Legal Officer Kurt M. Rogers. About Vonage Vonage (NYSE: VG) is a leading provider of communications services connecting individuals through cloud-connected devices worldwide. Our technology serves approximately 2.4 million subscribers. We provide feature-rich, affordable communication solutions that offer flexibility, portability and ease-of-use. Our Vonage World plan offers unlimited calling to more than 60 countries with popular features like call waiting, call forwarding and visual voicemail — for one low monthly rate. Our Vonage Mobile ® app lets users make free high-definition calls and send free texts to all users of the app, worldwide. The app works over Wi-Fi, 3G and 4G wireless data networks. Vonage's service is sold on the web and through regional and national retailers including Wal-Mart, Best Buy, Kmart and Sears, and is available to customers in the U.S. ( www.vonage.com), Canada ( www.vonage.ca) and the United Kingdom ( www.vonage.co.uk). Visit Vonage Mobile ( www.vonagemobile.com) for mobile VoIP apps and products. Vonage Holdings Corp. is headquartered in Holmdel, New Jersey. Vonage® is a registered trademark of Vonage Marketing LLC, owned by Vonage America Inc. To follow Vonage on Twitter, please visit www.twitter.com/vonage. To become a fan on Facebook, go to www.facebook.com/vonage. To subscribe on YouTube, visit www.youtube.com/vonage. (vg-f) SOURCE Vonage Holdings Corp.