Asterisk Alternatives

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.

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

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FusionPBX is an open source FreeSWITCH GUI.

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

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

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

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

Wazo IP Telephony is an open-source platform that is designed to build your own IP telecom platform and provides IP telecopy, mobility.

XiVO, première solution de téléphonie d'entreprise ToIP Open Source. TPE/PME Grande Entreprise / Centre de contact / Secteur Public. Contact: 04 37 49 78 10

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

Switch is a cloud-based phone system built for Google Apps users.

Social & Communications and Development

Your Open Source Solution For Unified Comunnications And More…

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