4.3 Implement secure communication channels according to design

• 4.3.1 Voice, video, and collaboration (e.g., conferencing, Zoom rooms)
• 4.3.2 Remote access (e.g., network administrative functions)
• 4.3.3 Data communications (e.g., backhaul networks, satellite)
• 4.3.4 Third-party connectivity (e.g., telecom providers, h/w support)