AUTHENTIC DEVICE ADMISSION SCHEME FOR A SECURE COMMUNICATION NETWORK, ESPECIALLY A SECURE IP TELEPHONY NETWORK

摘要

An admission scheme for a communication network comprising the step of:- a) acquiring and storing the MAC address of a device on admitting the device to the communication network, b) checking the source MAC address of a data packet before said data packet is admitted into the communication network, and c) admitting a data packet into the communication network only if the MAC address is registered with the communication network.