The international telecommunication company General Transit Telecom (GTT) is created by a group of experts in telecommunication industry and unites under itself some independent companies in Estonia, Germany and Greece. Also GTT has a representative office in Russia. The company is focused on the international voice market.
GTT head office is in Tallinn, Estonia. Our primary activity is targeted to provide VoIP (Voice over Internet Protocol) as to the Carriers as to the final customers using TDM (SS7, PRI) and VoIP (H.323, SIP) technologies.
The fundament of the relationships with Partners is to provide Premium quality service. Nowadays our opportunities let us put competitive proposals using direct interconnections with all general Russia mobile Carriers.
Based in California, USA, MamaKall Communication Inc. is an innovative pioneer in value added telecommunication service field especially focusing on VOIP devices research and development. The company has experienced dramatic growth since its incorporation
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