US and S Korea both claim first place on voice over LTE

Rival operators in race to nick VoLTE glory

Network operators from South Korea and the United States were both claiming victory on Wednesday after racing right down to the wire to become the first in the world to offer voice over LTE (VoLTE) services.…

via The Register - Networks

http://go.theregister.com/feed/www.theregister.co.uk/2012/08/09/volte_korea_us_global_first/