EPABX and Intercom system is a must-have communication system that works well in office and house as well. This is slightly different from the concept of phones and smartphones and it is known for its secrecy while telecommunicating. The system includes the process of extension to extension calling by maintaining the secrecy level. Some of the systems come with 0 Press dial tone, call transfer, and many other features. In many cases, it also enables the user to have a look to the status display. The EPABX and Intercom system precisely perform the task of communication as well as secrecy system.