About Tarashe Sabz Tehran

About Company:

TSTOnline is a well-known company in ICT industry. It is one of the oldest providers of internet bandwidth in Iran under the license of ICT ministry. By investing on VoIP business in recent years, now TST is enjoying the largest market share of origination and termination in private sector. This is TSTs nationwide origination service by which everybody can make international call just by dialing 020 at the beginning of desired destination number. Also, TST offers other VoIP solutions depended on customers’ requirements such as Bistell (TST Onlines DID Service) and Biscall (Economic PIN-Based Call Service)