Mitel's OpenScape Session Border Controller (SBC) is a highly adaptable solution that offers extensive SIP interoperability, sophisticated media management, and strong security features. Tailored for VoIP infrastructures, this controller efficiently terminates SIP sessions on the WAN side, which helps ensure that traffic comes from verified sources while also scrutinizing SIP and media packets for any protocol discrepancies or irregularities. The OpenScape SBC actively regulates firewall "pin holes" for RTP and SRTP media streams. Its compatibility extends to Mitel’s MiVoice Business, MiVoice MX-ONE, and MiVoice 5000, in addition to OpenScape Voice, OpenScape 4000, and OpenScape Business, making it a versatile choice for organizations of all sizes. This solution accommodates various deployment methods, including virtualized software for VMware ESXi, and is set to support commercial off-the-shelf hardware like Lenovo servers in the near future, alongside a gateway option featuring Kontron servers. As such, it provides organizations with the flexibility to choose the most suitable infrastructure for their specific requirements.