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OpenSIPS is an Open Source SIP proxy/server for voice, video, IM, presence and any other SIP extensions. OpenSIPS is a multi-functional, multi-purpose signaling SIP server used by carriers, telecoms or ITSPs for solutions like Class4/5 Residential Platforms, Trunking / Wholesale, Enterprise / Virtual PBX Solutions, Session Border Controllers, Application Servers, Front-End Load Balancers, IMS Platforms, Call Centers, and many others - see the full Set of Features. OpenSIPS is recommended for any kind of SIP scenario / service by: * the high throughput - tens of thousands of CPS, millions of simultaneous calls (see official tests) * the flexibility of routing and integration - routing script for implementing custom routing logics, several interfacing APIs (see the Manual) * the effective application building - more than 120 modules to provide features, for SIP handling, for backend operations, for integration, for routing logics (see List of Modules)

OpenSIPS Project Questions

The OpenSIPS Project annual revenue was $6.1 million in 2026.

Flavio Eduardo de Andrade Goncalves is the CEO of OpenSIPS Project.

1 people are employed at OpenSIPS Project.

OpenSIPS Project is based in Bucharest, Bucharest.

The NAICS codes for OpenSIPS Project are [334, 33, 3342, 334210, 33421].

The SIC codes for OpenSIPS Project are [36, 366].

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