Alternatives to 3CX Free Basic

A free edition of the 3CX business phone system for up to 10 users on your own infrastructure. The listings below can replace it for an important use case. Each note says what changes if you switch.

Replacements

Listings that take over the same core job as 3CX Free Basic.

  • FusionPBX

    A self-hosted web interface and platform for running a multi-tenant PBX on FreeSWITCH.

    FreeOpen sourceWebSelf-hosted

    FusionPBX is free and open source with no user cap, but runs on your own FreeSWITCH server and expects administrators with telephony knowledge.

Also worth comparing

These listings name 3CX Free Basic as their own alternative, so the relationship runs both ways.

  • Asterisk

    An open-source telephony server for building your own PBX and VoIP phone systems.

    FreeOpen sourceLinuxSelf-hosted

    3CX Free Basic is a more ready-to-use business phone system with no licence cost, but it is proprietary and limited to 10 users and 4 simultaneous calls.

  • FreePBX

    An open-source, web-based management tool for building and running your own IP phone system.

    FreemiumOpen sourceWebSelf-hosted

    3CX Free Basic is a proprietary self-hosted phone system with no licence cost, but it is limited to 10 users and 4 simultaneous calls.

  • FreeSWITCH

    A self-hosted software telephony platform for voice, video and chat that runs on commodity hardware.

    FreeOpen sourceWindowsmacOSLinuxSelf-hosted

    3CX Free Basic is a more ready-made self-hosted business phone system with no licence cost, but it is proprietary and limited to 10 users and 4 simultaneous calls.

Similar software

Related functionality, not a direct replacement.