MKC Networks was a privately owned supplier of VoIP (Voice over IP) equipment and software components headquartered in Ottawa, Ontario, Canada. It designed and sold a family of SIP-based products including advanced SIP Enterprise Application Servers and scalable communication platforms.MKC Networks bought certain SIP intellectual property in 2003 from a company called Mitel Knowledge. Mitel Knowledge was created to hold the intellectual property of Mitel Networks.