A Traditional Private Automated Branch Exchange (PABX) is a phone switching system that widely used in offices and plants,   allowing a single access number to offer multiple lines to outside callers while providing a range of external lines to internal callers or staff. SNAH TECHNICAL SERVICES LLC offers the full range of PABX SYSTEMS including analog PABX and Hybrid PABX. The primary purpose of a PABX / PBX is to save the cost of requiring a line for each user to the telephone company’s central office. A traditional PABX system may not include the advanced business features offered by many IP telephone systems. Still, it is in the picture with its cost effectiveness and reliability.