Total Products under this Category: 494
Last updated: October 20, 2026
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G2's software rankings are built on verified user reviews, rigorous moderation, and a consistent research methodology maintained by a team of analysts and data experts. Each product is measured using the same transparent criteria, with no paid placement or vendor influence. While reviews reflect real user experiences, which can be subjective, they offer valuable insight into how software performs in the hands of professionals. Together, these inputs power the G2 Score, a standardized way to compare tools within every category.
Highlighted products: RingEX, Nextiva, Zoom Phone, Quo, Dialpad Connect, Webex Suite, Webex Calling, and Aircall.
Underlying data: [Grid® JSON](https://www.g2.com/categories/voip-providers/grids.json?focus%5B%5D=ringex&focus%5B%5D=nextiva&focus%5B%5D=zoom-zoom-phone&focus%5B%5D=quo-quo&focus%5B%5D=dialpad-connect&focus%5B%5D=cisco-webex-suite&focus%5B%5D=webex-calling&focus%5B%5D=aircall)
Enterprise quality cloud based business voice solutions. Available to users in 50+ countries with flexible pricing.
Peeringo is a smart cloud phone system with AI-powered voice and messaging, global virtual numbers, and intelligent call routing — helping businesses manage customer communication seamlessly across teams and devices.
peoplefone is an open system, compatible with all VoIP telephone systems and SIP end devices. Our technology is independent of the internet provider. peoplefone has a Europe-wide network of cooperation and system house partners.
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Simple, reliable call screening. No per-call charges. Answers professionally, collects details, and emails instantly — predictable every time. 📞 60% sales calls 💡 Only 7% matter ⚡ Setup in 1 minute Key Features ✓Professional call greeting ✓Captures name, number, purpose ✓Instant email summary ✓Rule-based — no unexpected replies ✓24/7 availability Perfect For For founders, small teams, and support desks who want predictable automation — not unpredictable AI. Solo founders Teams ~20 Support desks SMB / B2B 7-Day Trial → Continue Free (with ads) or Upgrade Week 1: Start free (with ads). Your local number activates instantly. After Week 1: Upgrade or continue free if you had 5+ distinct callers. Free Plan with AD: ✔︎ 30+ distinct callers/month ✔︎ Max calls = distinct callers × 1.5 Example: 100 callers → 150 calls
Experience seamless communication with our Cross-Platform Softphone Solution. Connect across devices effortlessly and enhance your business communications.
PortaDialer is a white-label WebRTC softphone solution designed for VoIP providers, cloud PBX operators, and communication service providers. It enables operators to deploy fully branded cross-platform clients across iOS, Android, and web browsers (Web App) without the development overhead of building standalone applications from scratch. The software integrates with any standard, external SIP-based infrastructure and functions independently of other PortaOne products. Key capabilities across both mobile apps and the web version include HD voice and video calling, in-app messaging, group chats, SMS, native voicemail access, call transfers (attended and blind), call pull, and presence status. PortaDialer provides service providers with a unified mobile and web interface. Authentication options include OTP, passwords, and auto-login links.
Press8 Telecom is a next-generation VoIP business phone system that helps you stay connected no matter where you are in the world. Press8 Telecom offers over 50+ features and advanced features like Call Queues and Voicemail to Text. Our extensive reporting and call queue metrics empower sales and service teams to have effective conversations with customers and stay connected no matter where they are located. Enjoy the convenience of making and receiving calls using your pre-configured VoIP phone, our Press8 smartphone APP, or our Press8 desktop APP. With the highest approval rating in the industry, we get most of our customers from referrals. Press8 is family owned and operated and treats its customers like family.
Proclaim VoIP specializes in providing cloud-based solutions for your Voice Over IP Service.
ProSBC is a carrier-grade Session Border Controller for service providers, contact centers, and enterprises that need secure, scalable control of SIP signaling and media across on-premises, cloud, and hybrid environments. It supports high-volume voice traffic, complex routing, Microsoft Teams Direct Routing, and regulatory compliance while delivering predictable performance and full operational control.
