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).
Aya Phone is a global telecommunication network for your international calls. Our rates are dealt with the best World-wide operators. Thus you may achieve consequent savings through your long distance calls.