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).
efoneX is a Next Generation Internet Telephony Provider, introducing to the Internet community worldwide innovative voice and advanced real time communication services over the public Internet.