Mobicents is an Open Source VoIP Platform written in Java to help create, utilize, manage services and applications integrating voice, video and data across a range of IP and legacy communications networks. It brings to telecom applications a powerful component model and execution environment.

In the scope of telecom Next Generation Intelligent Networks (NGIN), Mobicents fits in as a high-performance core engine for Service Delivery Platforms (SDP), IP Multimedia Subsystems (IMS) and Intelligent Core Network (IN).

The Mobicents LLC is the original company behind Mobicents that was created in 2004. It was acquired by Red Hat on June, 2007 and in 2011, TeleStax took over the leadership and commercial services of it.