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).
IPVFone is a new type of phone service which gives you a choice of a "Monthly Plan" or "Pay as you go" phone service. Make unlimited calls to the US and Canada or other countries using one of our incredible unlimited plans.