Since the emergence of the Session Initiation Proto-col (SIP) enabled Voice over IP (VoIP) communication, security has been considered in multiple aspects in the standards supporting SIP VoIP. While the basic tools to secure the voice network existed for decades, there has not been a significant coordinated effort to implement such solutions. However, with increased cyber awareness, and increased adoption of zero-trust architectures, we design and implement a testbed to examine and practically test a comprehensive architecture for secure voice communication. In this paper, we summarize our approach, lessons learned, observations, and recommendations.