Session Border Controller Market Outlook:
Session Border Controller Market size was over USD 1.1 billion in 2025 and is projected to reach USD 2.46 billion by 2035, witnessing around 8.4% CAGR during the forecast period i.e., between 2026-2035. In the year 2026, the industry size of session border controller is evaluated at USD 1.18 billion.
The rapidly rising number of internet users worldwide is a key factor expected to fuel the demand for session border controllers in the coming years. As of April 2023, there were 5.18 billion global internet users, accounting for almost 64.6% of the population. As internet users increase, several businesses and individuals adopt VoIP, Unified Communications (UCaaS), and video conferencing. Session Border Controllers (SBC) ensure secure and seamless video and voice transmission over IP networks, managing signaling and security. In addition, these SBCs act as a security gateway, protecting the VoIP networks from potential threats.
Enterprises and companies in the telecommunication sector are adopting session border controllers to enhance the security and reliability of their VoIP and SIP-based communications. These SBCs help in optimizing call quality by managing bandwidth and reducing latency. In addition, it reduces the overall costs of securing SIP trunking which eliminates the need for expensive traditional telephony infrastructure.
