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).
ABC VoIP is a global provider of VoIP managed services and solutions. It is a Canada-based company and has recently announced a whole new arena of safe VOIP services payment methods for its customers.