The Missing Component – The VoIP Wall
An SBC is a network device designed to understand SIP traffic and apply various security and influence over the VoIP traffic. It protects against VoIP threats, which the firewall cannot process, and will also translate every part of the SIP message to ensure proper call control and audio for phone calls.
A Sangoma SBC protects you from VoIP attacks and also provides you with business continuity, interoperability, call limiting, and more.