Elastix Alternatives [Page 2]

SIP proxy server implementation compliant to RFC3261, written in C++11 started in 2011.

The most advanced interface for managing Asterisk PBX with Multitenant and Realtime capabilities

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)

OpenSIPS (Open SIP Server) is a mature Open Source implementation of a SIP server.

Hosted PBX with CRM integration and mobile apps

uSipSwitch a micro sip switch (sip proxy) perfect for edge SIP SBC work (e.g. hosted PBX business).

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

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.)

Linphone is an internet phone or Voice Over IP phone (VoIP).

Open Source

Aspect Prophecy is a powerful, entirely standards-based platform for speech, IVR, and SIP VoIP...

Plum DEV lets you use VoiceXML to build IVR and voice apps on a secure, reliable, scalable, feature-packed cloud platform.

Genesys provides omnichannel customer experience and contact center solutions in the cloud and on-premises.

Freshcaller is a modern-day reimagining of our everyday phone system for customer support, sales, IT, and HR teams.

freemium $15.0 / Monthly

Voice Portal delivers on industry leading IT fit, reliability, scalability and manageability.