3CX is described as 'Software-based, open standards IP PBX that offers complete Unified Communications, out of the box' and is a web conferencing tool in the social & communications category. There are more than 25 alternatives to 3CX for a variety of platforms, including Linux, Windows, Mac, Web-based and Android apps. The best 3CX alternative is Thirdlane Connect. It's not free, so if you're looking for a free alternative, you could try Asterisk or FreePBX. Other great apps like 3CX are Thirdlane Multi Tenant PBX, FreeSWITCH, YakYak and Yate - Yet Another Telephony Engine.
OpenSIPS (Open SIP Server) is a mature Open Source implementation of a SIP server. OpenSIPS is more than a SIP proxy/router as it includes application-level functionalities. OpenSIPS, as a SIP server, is the core component of any SIP-based VoIP solution.
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, .
Q-municate is a cross-platform app with a wide range of communication features including free messaging, file transfer, push notifications, audio/video calls.
Vodia Phone app is a free add-on for your Vodia PBX that lets you connect to your account on your Vodia PBX. Starting with Android 5.0 Lollipop, based on the WebRTC technology.
Future proof your business communications with the pascom cloud phone system - the easy-to-use, all-in-one cloud phone system for your business.
Free chat rooms no registration. Chat for free in many chat rooms. Meet single people and strangers online in retro style text online chat rooms.
IvozProvider supports multiple management levels, from Global platform administrator to final user, each of them having its own web interface with visibility to perform configuration tasks.
KOMPaaS is a telecommunications platform that allows B2B customers to connect telephony software products and services in real time: Virtual PBX with more than 200 useful functions, Geographic and Nomadic numbers, Chatbots, Automated calls, Multichat, Authentication (Flash Call)...
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