RnD provides reliable service to millions of customers, processing millions of minutes of calls each day, from all over the world. RnD also offers some of the most competitive international rates in the industry. All of our service packages come with our best international rates, without any restrictions. You can dial internationally no matter where you are.
A2ZTEL is a global leader in delivering high-quality international and domestic long distance calling services to subscribers at a fraction of the cost of traditional carriers by leveraging the power of the Internet.
A2ZTEL is a cost effective commun