Teams Phone: Direct Routing Deployment and Administration

Connecting your organization's internal collaboration tools to the public switched telephone network (PSTN) is critical for modern business communication. This comprehensive written guide walks you through the foundational concepts and configuration steps required to deploy Teams Phone using Direct Routing. You will gain the skills needed to design, implement, and maintain a robust voice infrastructure. By understanding how to connect a Session Border Controller (SBC) to Teams Phone, you will enable users to make and receive external phone calls securely and reliably. What you'll learn: Understand the core terminology of cloud telephony, PSTN connectivity, and voice routing architecture; Configure Session Border Controllers to establish secure signaling and media paths; Manage voice routing policies, dial plans, and emergency calling rules; Implement security best practices including TLS certificates and domain validation; Troubleshoot common connectivity and call routing issues using systematic verification steps. The course begins with essential telephony concepts and architectural designs before guiding you through the practical setup of voice routing policies and integration. You will practice planning and configuring these elements through detailed written scenarios and configuration examples. This course is designed for aspiring system administrators, network engineers, and IT professionals who are new to cloud voice technologies. No prior experience with telephony is required. Start reading today to build a reliable and modern cloud voice infrastructure for your organization.