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).
Asnatel Ltd, Registered company in UK. We deals in Wholesale VOIP Termination,Calling Card Solutions, Hosted Voip We have 4 core routes and full A2Z in very compitant rates.