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).
Vvtel is a world leader in Internet Telephony services, registered in the UK. We offer the most powerful solutions including inexpensive alternatives to traditional telephone service around the world. Our clients range from