DHCP is best known as the protocol that automatically assigns IP addresses to hosts that connect to a network. It is one of those protocols that we don’t often think about because it functions in the background — users are completely oblivious to its operation, just enjoying its convenience and flexibility.
However, DHCP is about more than automatic address allocation, especially for VoIP and UC devices such as IP phones and video terminals. In this article, we explore the operation of DHCP and the specialized options it provides for VoIP and UC applications, some of which you might not know about!