As we know mobile phones are a big connectivity device but their connectivity and privacy issue is very low. The service providers can track the private information and it also can be hacked. The information stored in advanced features such as built-in camera, microphone, GPS, etc. is of high risk. To avoid such issues, in-house paging system is available. With the help of this system, the overall control of information will be in your hands and work as a one-way communication link.