Convenient Int’l Calling Card “OTO Global Card” Available for Sale in CU Stores

SEOUL, Korea, Nov 18 (Korea Bizwire) – Software company OpenVACS has launched a new international calling card “OTO Global Card,” following the same service on the Internet. The calling card, to be sold in 8,000 CU convenience stores across the country, allows the user to make phone calls to 245 countries worldwide. Available in denominations from 5,000 [...]