Top 15 3CX Phone System Alternative and Similar Softwares | Dec 2024

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. Connect 3CXPhone to a VoIP provider or to a VoIP PBX (for example 3CX Phone System) to make calls to any VoIP, mobile or landline number.

Use popular VoIP providers and SIP trunks for low cost calling
Use popular IP Phones (Polycom, Grandstream, Yealink, Cisco & others) or Softphones
Keep using your old telephone lines with the use of VoIP gateways
Runs on Microsoft Windows - no need to dedicate a PC or learn Linux! Eliminate phone wiring
Includes enterprise phone system features such as voicemail, auto attendant, unified communications and more
3CX Phone System FREE edition is a fully functional product - it supports an unlimited number of extensions and does NOT time out. It is supported only via the 3CX Forums. ...

1. Yate - Yet Another Telephony Engine

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. Is compatibile with EuroISDN, National ISDN, Lucent 5E, Nortel DMS-100, NI-2. Yate can......

2. Asterisk

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.......

3. DrayTek SIP SoftPhone

DrayTek SIP SoftPhone The DrayTek Softphone is a SIP phone in software which runs on any Windows PC. It provides full VoIP connectvity directly to the DrayTEL SIP service or can act as an extension to a DrayTek PBX. The softphone uses your PC's speaker/microphone, or for the best experience and more privacy,......

4. Ozeki Phone Systems

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 calls and other functionalities. It makes possible to use PHP VOIP, .NET VOIP, VOIP SQL connections or HTTP requests for control and automate......

5. Starfish PBX

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:Configure additional, non-digium, telephony cardsProvisioning for wide range of VoIP phonesSupport for additional telephony hardware (ex: chan_mobile).Option to chose between different fax implementations......

6. unxsVZ uSIPSwitch

unxsVZ uSIPSwitch uSipSwitch a micro sip switch (sip proxy) perfect for edge SIP SBC work (e.g. hosted PBX business). Comes with web console and DNS health tools. Uses modern clustering NoSQL technology for advanced HA.......

7. Firefly

Firefly Firefly softphone is the easiest way to try Freshtel's great service from the comfort of your PC.Available completely free it offers many advanced features such as conference calling, call transfer, Instant Messaging and much more. Plus it's so easy to use!Highlights * Small program: fast to download and uses very......

8. Twinkle softphone

Twinkle softphone Twinkle is a soft phone for your voice over IP communcations using the SIP protocol. You can use it for direct IP phone to IP phone communication or in a network using a SIP proxy to route your calls.......

9. CALLR

CALLR Carrier grade Voice and Messaging API covering 220+ countries: SIP Trunking, Notifications, Call Tracking, Custom IVR, Person-to-Person, & User Acquisition. Use cases are mean to present our services and features in easily understandable and relatable manner. Use cases are not exclusive: effectively, the permeability between some use cases can be......

10. Zaplee

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 60 countries and thousands of cities.According to one of our customers, Zaplee is…“The fastest, easiest and most cost effective way to set......

11. sipXecs

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

12. Voxalot

Voxalot Voxalot is a global voice applications provider that offers value-added services and features to existing customers of Internet Telephony Service Providers (ITSPs). Members use their own ITSPs to make VoIP calls, while taking advantage of Voxalot’s free and low-cost features that enhance and expand the member’s access to new and......

13. SIP Broker

SIP Broker SIP Broker is a free service that provides unlimited VoIP calls to millions of people around the world. No signup is necessary. SIPBroker is a free open peering service. Unlke skype your bandwidth is not shared with others.......

14. FreeSENTRAL

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

15. Taridium ipbx

Taridium ipbx The Taridium ipbx is a complete software-based VoIP PBX system that replaces traditional proprietary hardware PBX. ipbx runs on an open source operating system (Linux) without the need for extra software licenses and is based on the SIP standard. Choose from many SIP based hardware phones such as Aastra, Cisco,......