KT (News - Alert), S. Korea's top fixed-lined operator and the No. 2 mobile carrier in the region, recently licensed SPIRIT DSP’s (News - Alert) TeamSpirit Voice Engine Mobile, an SDK that enables high-definition VoIP calling on a broad range of mobile devices.

Business application developers and service providers, with the help of the TeamSpirit Engine are allowed to offer superior quality communications products to millions of global users.

The VoIP rates in Korea are 80 percent cheaper for intercity calls, 20 percent lower for calls to mobile phones and 95 percent cheaper for international calls.

According to the Korean Communications Commission, the number of paid Internet telephony subscribers broke the 10 million mark this year.

"With the growing popularity of VoIP calling in Asia Pacific, coupled by the sheer volume of mobile data usage, the problem of lost or jammed traffic becomes a real barrier for smooth, quality communications over mobile networks," said SPIRIT's vice president of Sales, Alexander Kravchenko, in a release.

"The priorities of consumers and businesses are shifting from an experience that's 'good enough' to a demand for a higher quality mobile HD VoIP experience that SPIRIT engine delivers to KT's millions of mobile subscribers."

Uniquely combining scalable echo- and noise-free audio with scalable video, a necessary marriage, the TeamSpirit Engine software ensures the highest quality conferencing experience and enables many hours of battery life in wideband talk mode.

The video engine, including SPIRIT's H.264 scalable video codec, is capable of adapting streams to each peer's network and PC environments without heavy transcoding.

In related news, SPIRIT DSP’s TeamSpirit Voice Engine Mobile is enabling HD VoIP calling on the recently launched Viber application for Android (News - Alert) mobile devices.