Open Source Alternatives to Cisco Unified Communications Manager

A call control platform that manages enterprise voice and video communications. The software provides centralized administration for telephony services, allowing organizations to manage users, devices, and call routing across a network. It supports various communication endpoints and integrates with other collaboration tools to facilitate business connectivity. The system is deployed to handle large scale corporate communication needs through a unified management interface. This software enables administrators to configure call handling rules, manage directory services, and oversee the deployment of IP phones and video endpoints. It is designed for large organizations that require a scalable infrastructure to maintain consistent communication standards across multiple geographic locations. The platform operates as a central hub for managing the signaling and routing of real time communication traffic within a corporate environment.

Whether you want to cut software costs or escape vendor lock-in, these open source alternatives to Cisco Unified Communications Manager give you an option you fully own. You can self-host them, so your data stays on infrastructure you control. This page lists 4 open source alternatives to Cisco Unified Communications Manager. The most popular are FreeSWITCH, Asterisk and OpenSIPS. Most use the GPL-2.0 or mpl-1.1 license, and 4 offer an official Docker image.