Though the business communication has progressed much, the phone systems (PBX) still remain as the backbone for many of the businesses. With the new developments and modernizations, however, it seems, now is the time to review your communication systems. Recent years have witnessed a dramatic changes over the communications technology. PBX systems, what was once thought as a communication solutions is now becoming outdated with the introduction of VOIP technology. The benefits for the business using the IP-PBX system is that they can reduce the long distance and international calls. As the VOIP gains momentum and continues to dominate the market, more and more business starts embracing the VOIP/IP-PBX system since it extends the advantage of delivering voice over the data connection at affordable rates.