The Best 22 XiVO Alternatives

  • Asterisk icon

    Asterisk

    Asterisk is free software that transforms a computer into a communication server. Asterisk lets you build applications like PBX, VoIP gateway, IVR and ACD.

    Free Open Source Mac OS X Windows Linux

  • Twilio icon

    Twilio

    Twilio is a web-service API that lets you use your existing web languages and skills to build voice and SMS applications.

    Freemium Web

    SMS API IVR
  • FreeSWITCH icon

    FreeSWITCH

    FreeSWITCH is a scalable open source cross-platform telephony platform designed to route and interconnect popular communication protocols using audio, video, text or any other form of media.

    Free Open Source Mac OS X Windows Linux BSD

  • 3CX Phone System icon

    3CX Phone System

    3CXPhone is a free VoIP phone available for Windows, iPhone or any Android based smart phone such as Google Nexus, Sony Xperia, Motorola Droid or Samsung Galaxy.

    Freemium Windows Android iPhone

  • Elastix icon

    Elastix

    Elastix is an open source Unified Communications Server software that brings together IP PBX, email, IM, faxing and collaboration functionality.

    Freemium Linux

  • Yate - Yet Another Telephony Engine icon

    Yate - Yet Another Telephony Engine

    Yate is a softswitch (concept of separating the network hardware from network software). It supports VoIP protocols: H.323, SIP, IAX1, IAX2, RTP. For the plain old telephony systems (PSTN) it supports ISDN BRI and PRI.

    Free Open Source Linux

  • Wazo icon

    Wazo

    Wazo is a unified communications platform based on Asterisk and focused on extensibility.

    Free Open Source Mac OS X Windows Linux Self-Hosted

  • sipXecs icon

    sipXecs

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

    Free Open Source Linux

  • PBX in a Flash icon

    PBX in a Flash

    PBX in a Flash is a PBX system based on Asterisk, FreePBX and CentOS, coming as an ISO download. A two stage installation process allows for more flexibility for the...

    Free Open Source Linux

  • FreeSENTRAL icon

    FreeSENTRAL

    FreeSentral is a full IP PBX consisting of a Linux Distribution, an IP PBX and a Web Graphical User Interface for easy configuration

    Free Open Source Mac OS X Windows Linux

  • VoipSwitch icon

    VoipSwitch

    VoipSwitch is a SoftSwitch System with routing and billing, with SIP protocol support (in older versions also H323). Basic package includes softswitch app, IVR app...

    Commercial Windows

    Call recording IVR
  • Starfish PBX icon

    Starfish PBX

    Starfish PBX aims to be an open source alternative to Digium’s Switchvox. The goal is to have a software equivalent to which we can add additional functionality like: ...

    Free Open Source Linux

  • Zaplee icon

    Zaplee

    Zaplee is a global cloud-based PBX phone system. Our system works with Skype, Google Voice, SIP, VOIP, landline and mobile phones. We can provide phone numbers in over...

    Commercial Mac OS X Windows Android iPhone Blackberry

  • Ozeki Phone Systems icon

    Ozeki Phone Systems

    Ozeki Phone System XE is a Software PBX telephony platform for Windows. Ozeki enables your applications to connect PBX and access IVR, Webphone, SMS sending, 3D video...

    Commercial Windows

    Video calling IVR
  • Cloud Telephony icon

    Cloud Telephony

    The main purpose of cloud telephony is connecting with the customers for providing your services support. IVR is the software which is used for the cloud telephony.

    Commercial Web

  • Mizutech VoIP Server icon

    Mizutech VoIP Server

    A robust SIP/H.323/WebRTC softswitch for Windows with a long list of features including PBX and billing.

    Free Windows