VoipSwitch Alternatives

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.

VoIPstudio is an award-winning VoIP system that offers businesses of all sizes a scalable communication solution. It’s inexpensive, easy-to-use, offers a full suite of PBX features, and is fully integrated for CRM.

Try for free paid Free Trial $4.99 / Monthly (User)

FusionPBX is an open source FreeSWITCH GUI.

Open Source

The UCaaS Platform Built for MSPs​

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

Social & Communications and Development

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

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

Open Source

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

Open Source

A SIP based implementation of a PBX / unified communications system.

Thirdlane Multi Tenant PBX provides a comprehensive and secure communication solution for businesses, MSPs and resellers. It offers a versatile platform with robust features and unparalleled value, all backed by Thirdlane's renowned reputation.

paid Free Trial

Ozeki Phone System XE is a Software PBX telephony platform for Windows.

Global Phone System 100% native in Salesforce CRM