Used for external and internal telephonic communication, EPABX System are incorporated by a lot many organizations. Electronic Private Automatic Branch Exchange is basically a private communication network used by companies to connect with employees within the company or outside with the clients. It has become an essential equipment that has simplified daily work operations in offices and companies. Advancement of technology and computers has led to the incorporation of lot many features in EPABX systems. Automatic redialling, transferring calls, auto conferencing etc., are few of the many advancements included in these systems, which are of great help to various individuals.