With the drive of unified communications to cloud based connectivity, a Session Border Controller (SBC) can play an important part in supporting a migration from premise equipment.  Some gateway manufactures provide a convenient Graphical User Interface (GUI), others still focus on leveraging a command line interface (CLI).  This overview will step through the generation and signing of the certificates that would be used for Tranport Layer Security (TLS) for both signaling and media within a Cisco Unified Border Element (CUBE).