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Microsoft Cloud Authors: Jayaram Krishnaswamy, Elizabeth White, Andreas Grabner, Jim Kaskade, Pat Romanski

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SPIRIT DSP Powers New LG U+ Video Calling Service

SPIRIT DSP, the world's #1 voice and video over IP engines provider serving more than 1 billion users in 100+ countries, has announced today that Korean service provider, LG U+, a subsidiary of LG Group, has selected SPIRIT’s TeamSpirit® Voice&Video Engine Mobile to power a new video calling service. LG U+ is the third largest carrier in South Korea.

The new LG U+ service enables subscribers to make voice and video calls using Samsung Galaxy Player. LG U+ offers its subscribers media players with special preinstalled application. It includes a telephone number that allows Samsung Galaxy Player users to throw their landline phones overboard. Calls between Galaxy Players are free, and LG U+ expects the main source of revenue will be calls between Galaxy Player and mobile and landline phones. Video calls from media player to another Galaxy Player or cell phones are powered by TeamSpirit Voice & Video Engine Mobile, which allows LG U+ to provide crystal-clear HD video quality. The new service based on Samsung Galaxy Player has become popular among LG U+ subscribers. SPIRIT experts expect that LG U+, which serves millions of landline phone users, will soon have 500,000 subscribers of its new service.

"LG U+, with its core approach of differentiation in technology innovative, is a long-standing SPIRIT customer who has come to rely on our technology to provide high quality VVoIP services to its subscribers,” said SPIRIT's VP Alex Kravchenko. “This well-timed launch of this new service will help LG U+ bring in new subscribers and avoid loss of revenue resulting from subscribers switching to OTT providers like Skype and Google. We’re pleased that SPIRIT products allow our operator customers to offer competitive solutions and hold their leadership positions in this rapidly changing telecommunications market.”

LG U+ already uses SPIRIT's TeamSpirit Voice&Video Engine to provide top quality voice and video communication in its U+070 Mobile service. SPIRIT engine technology can also be found in many other VVoIP services and VVoIP-enabled devices in the Korean market, which is known for pioneering breakthrough innovation in IP communications. SPIRIT software is used by Korea Telecom, KT Tech, Acromate, iRiver, Samsung, LG-Dacom, Seoul Commtech, Hyundai, LIG Nex1, Core Logic etc.

TeamSpirit Voice&Video Engine is compatible with RCS-e and VoLTE specifications. It includes resource-efficient voice and video codecs, echo and noise suppression, advanced tools for stream protection and adaptation to changes in network, execution and physical environments. Apart from standard IMS codecs, SPIRIT offers industry leading IP-MR™ (IETF RFC 6262) adaptive and error-resilient HD voice coding technology that has been selected by Tier1 service providers to deliver HD voice communications to dozens of millions of users of their mobile VVoIP services.

About LG U+

The three LG Telecommunication companies make a new start under the name "LG U+". The company was founded on the back of the successful commercialization of the world's first CDMA technology in July 1996. Since beginning the PCS service around the country in October 1997, the company has continued to grow together with the customers and today, LG Telecom, LG Dacom, and LG Powercom have combined to make a new start as LG U+.


SPIRIT DSP is the world's #1 voice and video over IP engines provider, serving more VoIP users than Skype. SPIRIT's innovative carrier-grade voice and video software platform allows carriers, OEMs and software developers to deliver superior quality and integrated VVoIP services for telcos, cable and mobile service providers, enterprises, internet portals and social networks. SPIRIT software platforms serve more than 1 billion users in over 100 countries, powering popular products from Apple, Adobe, ARM, AT&T, Avaya, Blizzard, BT, China Mobile, Cisco, Dialogic, Ericsson, HP, HTC, Huawei, KT, Kyocera, LG U+, Microsoft, NEC, Oracle, Polycom, Samsung, Skype, Texas Instruments, Toshiba, Viber, ZTE, among 250+ others. SPIRIT's direct OEM customers jointly exceed 60 percent of the global smartphone market share. is the SPIRIT multi-point video-web-conferencing software, competing against US-based Vidyo. For more information, visit

TeamSpirit is a registered trademark and IP-MR is a trademark of SPIRIT DSP. All other marks are the property of their respective owners.

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