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Issabel is an open-source Unified Communications software that integrates IP communications services in one platform.

Last updated September 2, 2026

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Overview

Issabel is an open-source Unified Communications solution designed to manage and optimize business communications. It integrates telephony, email, collaboration tools, and data management into a flexible and scalable platform. Recognized as the most widely used Asterisk-based distribution in the world, Issabel has a broad network of integrators and users globally. It offers features such as call center, email, management reports, fax, video conferencing, audio recording, and CRM integrations. Issabel is funded by individual and corporate sponsors and evolves through community collaboration.

History

Issabel is an open-source project that continues to evolve thanks to the collaboration of companies and technology enthusiasts. Since its inception, Issabel has been adopted by professionals of various nationalities who share the vision of an open and constantly improving Unified Communications platform.

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