Voice Over Frame Relay - the next practical way to reduce your network costs! Savings from putting voice tie lines on frame relay data networks can pay back the additional investment in voice equipment in just months. Savings on international circuits are large enough to threaten present tariff structures (with some help from the FCC). From being 'impossible,' VoFR has become an essential element to be considered by network designers. This includes those who historically worked with data as well as those concerned primarily with voice. The goal of this book is to make it easy for anyone with a voice or data background to understand this new fusion technology, VOFR ;