RingCentral is a cloud-based communication and collaboration platform that offers voice, video, messaging, and contact center solutions.
Starting at $19.99 per user per month
Best 3CX Phone System Alternatives ranked by AI · updated May 2025
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3CX is a software-based private branch exchange (PBX) system that works with SIP standard-based IP Phones, SIP trunks, and VoIP Gateways to provide a full PBX solution without the need for proprietary hardware.
Price: Starting from $495
🎯 3cx.com
Top 6 3CX Phone System alternatives
Zoom Phone is a cloud phone system that offers video conferencing integration and collaboration tools.
Pros
- Seamless integration with Zoom video conferencing
- Easy to use interface
Cons
- Limited advanced features compared to RingCentral
- May not be suitable for large enterprises
Starting at $14.99 per user per month
Avaya OneCloud is a unified communications and collaboration platform that offers voice, video, messaging, and conferencing services.
Pros
- Scalable solution for businesses of all sizes
- Robust security features
Cons
- Higher pricing for full feature set
- Complex setup and configuration
Custom pricing
Kixie is a sales engagement platform that offers voice, SMS, and email automation to increase sales productivity.
Starting at $30/user/month
Sideline is a business communication app that provides a second phone number for professionals. It offers features like calling, texting, voicemail, and...
Starting from $9.99/month
KloudTalk is a cloud-based business phone system that offers features like call forwarding, IVR, call recording, and more.
Starting from $19.99 per user per month
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