2N BlueTower is the optimal solution for medium-sized companies with a high frequency of calls to mobile networks. This is a GSM / UMTS gateway, which can significantly reduce the cost of telephone calls. Its efficient router is able to find the cheapest connection route and will always use the most favorable direction (SIM-card).
Cosmonet Integrated Systems, LLC, is the premier international carrier for VOIP communications, successfully utilizing the internet as the substantial element to provide high quality, low cost telecommunication services.