KT Telnet have all smartphone and PC App.
Very simple Signup process.
Make International Call by using Icl Call App.
New Zealand $0.009
United States $0.008
KT Telnet is a cheap call service that allows you to make local and international call with or without internet. Using KT Telnet you can make FREE and CHEAP International calls WORLDWIDE, from iPhone, Android, Windows Phone 8, Tablets ,Windows PC Dialers.