Who is STi?
STi Offers Premium International Long Distance and Mobile Top Up Services
A Little About Our History
We help people stay connected and progressing together. Over the last two decades the STi name and logo have developed into one of the most well-known and trusted brands for connecting families and providing top-quality international long distance services at great rates. The STi phone cards are known for their worldwide range, their high quality, excellent customer service and their great value. STi products are designed with one thing in mind: connecting people with their loved ones. We cover every corner of the world, including Mexico, the rest of Latin America, the Middle East, Africa, Europe and the Pacific Rim. STi offers great prepaid calling cards, pinless connections and domestic and international top-up services.