MiRTA PBX Alternatives

FusionPBX is an open source FreeSWITCH GUI.

Open Source

FreePBX is a web-based open source GUI that controls and manages Asterisk (PBX).

Open Source

Work smarter, not harder. Save 1 day/week with free customizable workflows. Get access to 40+ workflow templates such as Employee Recognition & Engagement. Simplify your day-to-day workflows, increase team productivity & add simplicity to your work.

Try for free freemium

An open source telephony switching and private branch exchange service for Linux.

Open Source

FreeSWITCH is an open-source media application designed to support popular protools such as SIP and WebRTC and provides a platform to develop voice and video applications.

3CXPhone is a free VoIP phone available for Windows, iPhone or any Android based smart phone such...

VitalPBX is a full-feature PBX (phone system) based on Linux and Asterisk.

PBXware is the world’s first and most mature IP PBX Professional Open Standards Turnkey Telephony Platform. Bicom Systems’ softswitch is offered in the Business, Call Center and Multi-Tenant Editions each supporting specific features.

sipXcom open source unified communications software is the standard for enterprise voice solutions. Voice, chat, IVR, presence and more in one application.

Open Source

Hosted PBX with CRM integration and mobile apps

RingCentral is the leading provider of cloud-based communications and collaboration solutions for small business and enterprise companies

Open Source freemium $19.99 / Monthly (All-in-One Phone, Team Messaging, and Video Conferencing.)

Your Open Source Solution For Unified Comunnications And More…

Elastix is an open source Unified Communications Server software that brings together IP PBX...

Kamailio® (successor of former OpenSER and SER) is an open source SIP server released under...