Best VoIP Providers - Page 17

How Many VoIP Providers Products Does G2 Track?

Total Products under this Category: 481

Category Stats (Sep 2026)

  • Average Rating: 4.38/5 The average rating of products in this category, based on all submitted ratings
  • Top Trending Product: Phone2 (+1.96%) - Among all products in this category, Phone2 recorded the largest rating increase compared to last month

Last updated: September 01, 2026

How Does G2 Rank VoIP Providers Products?

Why You Can Trust G2's Software Rankings:

  • 30 Analysts and Data Experts
  • 61,600+ Authentic Reviews
  • 481+ Products
  • Unbiased Rankings

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.

G2 Grid® for VoIP Providers

G2 Grid® for VoIP Providers plotting products by satisfaction and market presence

Highlighted products: RingEX, Nextiva, Zoom Phone, Quo, Dialpad Connect, Webex Calling, Webex Suite, 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=webex-calling&focus%5B%5D=cisco-webex-suite&focus%5B%5D=aircall)

TDS Business VoIP

TDS Business offers confidence in every connection through our business VoIP phone service options.

Average Rating: 4.5/5.0

Total Reviews: 1

How Do G2 Users Rate TDS Business VoIP?

  • Phone Calls: 8.3/10 (Category avg: 9.1/10)
  • VOiP Number: 8.3/10 (Category avg: 9.0/10)
  • Desk-to-Desk Calls: 10.0/10 (Category avg: 8.6/10)

Who Is the Company Behind TDS Business VoIP?

  • Seller: TDS Telecommunications
  • Year Founded: 1969
  • HQ Location: Madison, Wisconsin, United States
  • Twitter: @tdstelecom
    5,436 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    2,553 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 100% Medium

What Do G2 Reviewers Say About TDS Business VoIP?

AI-generated summary from verified user reviews

Pros
  • Users love the easy communication features of TDS Business VoIP, enhancing productivity with superb voice quality and additional capabilities.
  • Users praise the superb voice quality of TDS Business VoIP, enhancing communication productivity for their businesses.
  • Users value the superb voice quality and features like voicemail to email, boosting communication productivity.
Cons
  • Users face challenges with contact management on TDS Business VoIP, lacking essential features for effective call handling.
  • Users find the limited features of TDS Business VoIP hinder effective call management away from their workspace.

What Are Recent G2 Reviews of TDS Business VoIP?

Team on the Run

Team on the Run is the anchor of your company's digital transformation, providing integrated, team-based communications with the ability to process, index and act upon information in real time with our My Business solution.

Average Rating: 5.0/5.0

Total Reviews: 1

How Do G2 Users Rate Team on the Run?

  • Phone Calls: 10.0/10 (Category avg: 9.1/10)
  • VOiP Number: 10.0/10 (Category avg: 9.0/10)
  • Desk-to-Desk Calls: 10.0/10 (Category avg: 8.6/10)

Who Is the Company Behind Team on the Run?

  • Seller: Team on the Run
  • Year Founded: 2001
  • HQ Location: Paris, FR
  • Twitter: @Teamontherun
    1,039 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    201 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 100% Medium

What Are Recent G2 Reviews of Team on the Run?

What Are G2 Users Discussing About Team on the Run?

Tele365

Tele365 is our collective name on our telephone exchanges from Mitel. Tele365 supports all forms of collaboration such as voice calls, video calls, chat and instant messaging, as well as audio, video and web meetings.

Average Rating: 5.0/5.0

Total Reviews: 1

How Do G2 Users Rate Tele365?

  • Phone Calls: 10.0/10 (Category avg: 9.1/10)
  • VOiP Number: 10.0/10 (Category avg: 9.0/10)
  • Desk-to-Desk Calls: 10.0/10 (Category avg: 8.6/10)

Who Is the Company Behind Tele365?

  • Seller: Tele365
  • Year Founded: 2011
  • HQ Location: Stockholm, SE
  • LinkedIn® Page: www.linkedin.com
    26 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 100% Large

What Are Recent G2 Reviews of Tele365?

TeleCloud

Telecloud provides phone and internet service, including both traditional landlines and VoIP service as well as dedicated internet circuits. We offer Hosted PBX on multiple platforms, and we are a platinum partner for 3CX. We specialize in providing cost-effective enterprise-level telecom products, services, and support with unmatched expertise. Servicing businesses nationwide, TeleCloud has the right solutions for your business regardless of geography.

Average Rating: 4.5/5.0

Total Reviews: 1

How Do G2 Users Rate TeleCloud?

  • Has the product been a good partner in doing business?: 8.3/10 (Category avg: 8.8/10)
  • Phone Calls: 6.7/10 (Category avg: 9.1/10)
  • VOiP Number: 10.0/10 (Category avg: 9.0/10)
  • Desk-to-Desk Calls: 5.0/10 (Category avg: 8.6/10)

Who Is the Company Behind TeleCloud?

Who Uses This Product?

  • Company Size: 100% Small

What Are Recent G2 Reviews of TeleCloud?

Telonium

Telonium offers Voice over IP (VoIP) hosted PBX services to small and mid-sized businesses.

Average Rating: 4.0/5.0

Total Reviews: 1

How Do G2 Users Rate Telonium?

  • Phone Calls: 6.7/10 (Category avg: 9.1/10)
  • VOiP Number: 6.7/10 (Category avg: 9.0/10)
  • Desk-to-Desk Calls: 6.7/10 (Category avg: 8.6/10)

Who Is the Company Behind Telonium?

Who Uses This Product?

  • Company Size: 100% Medium

What Are Recent G2 Reviews of Telonium?

What Are G2 Users Discussing About Telonium?

Thirdlane Multi Tenant PBX

Thirdlane Multi-Tenant PBX is a white-label UCaaS platform for MSPs, service providers, and telecom resellers who need scale, control, and margin. Launch branded voice, messaging, and collaboration for thousands of tenants from a single platform, with APIs and CRM integrations to automate provisioning, billing, and workflows. Deploy cloud, on-prem, or hybrid to fit your model. Main features: - True multi-tenant architecture with per-tenant isolation, templates, and policies - VoIP calling with IVR, queues, recording, and advanced routing - Branding and white-label controls - APIs, webhooks, and CRM integrations for click-to-call and screen pops - Centralized provisioning, role-based admin, and audit logs - Messaging Queues for inbound SMS and WhatsApp - faster response and smoother workflows - Powerful dashboards on demand - with Grafana integration (optional) - Real-time system dashboards for platform admins - live visibility across the platform - Call analysis reports - clear visuals and quick insights - DID-level outbound message limits - daily and monthly controls for safety and compliance - Flexible deployment options - cloud, on-prem, or hybrid - Thirdlane Connect - white-label softphone, omnichannel messaging, and video app See how Thirdlane helps MSPs, UCaaS providers, resellers, and enterprises deliver white-label multi-tenant communications. Request a live demo today: https://www.thirdlane.com

Average Rating: 3.8/5.0

Total Reviews: 2

How Do G2 Users Rate Thirdlane Multi Tenant PBX?

  • Has the product been a good partner in doing business?: 6.7/10 (Category avg: 8.8/10)
  • Phone Calls: 10.0/10 (Category avg: 9.1/10)
  • VOiP Number: 10.0/10 (Category avg: 9.0/10)
  • Desk-to-Desk Calls: 10.0/10 (Category avg: 8.6/10)

Who Is the Company Behind Thirdlane Multi Tenant PBX?

  • Seller: Thirdlane
  • Year Founded: 2003
  • HQ Location: Fairfax, US
  • Twitter: @thirdlanepbx
    47 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    4 employees on LinkedIn®
  • Ownership: Third Lane Technologies, LLC

Who Uses This Product?

  • Company Size: 100% Medium

What Do G2 Reviewers Say About Thirdlane Multi Tenant PBX?

AI-generated summary from verified user reviews

Pros
  • Users value the efficient communication capabilities of Thirdlane Multi Tenant PBX, making client management seamless and effective.
  • Users commend the helpful customer support from Thirdlane, particularly appreciating the founder's dedication to customer satisfaction.
  • Users find the user-friendly interface of Thirdlane Multi Tenant PBX essential for efficient daily communication across multiple clients.
  • Users find Thirdlane Multi Tenant PBX to be remarkably easy to use, thanks to attentive support from the founder.
  • Users find the easy communication with the helpful founder invaluable for a better experience with Thirdlane.
Cons
  • Users find the interface complicated, leading to dissatisfaction and a perception of being outdated among customers.
  • Users find the interface complex, leading to dissatisfaction and a perception of being outdated among customers.
  • Users find the complex process of Thirdlane Multi Tenant PBX challenging, impacting customer satisfaction and user experience.
  • Users find the interface complicated, leading to dissatisfaction and perceptions of being outdated by customers.
  • Users find the interface overly complicated, leading to dissatisfaction and a perception of being outdated.

What Are Recent G2 Reviews of Thirdlane Multi Tenant PBX?

VaxVoIP SIP Server SDK

The VaxVoIP SIP Server SDK empowers developers and service providers to create feature-rich SIP-based servers, enabling advanced VoIP communication. It supports a variety of applications, including IP-PBX systems, auto-dialers, IVR solutions, and call center platforms. Designed for seamless integration, the SDK is fully compatible with SIP-based devices such as softphones, hardphones, and ATA adapters. Additionally, it provides robust security features to protect against common threats like SIP scanning and brute force attacks, ensuring a stable and secure VoIP environment. Beyond security, the VaxVoIP SIP Server SDK offers real-time access to audio PCM data, allowing for AI-powered enhancements in VoIP systems. Developers can integrate advanced functionalities like automated transcription, intelligent call routing, and real-time language translation. This capability transforms traditional VoIP services by incorporating AI-driven efficiency and improving call management. With its compatibility across multiple programming languages, including Visual C++, C#, and Python, the SDK is a powerful tool for businesses looking to build scalable and intelligent VoIP networks.

Average Rating: 4.0/5.0

Total Reviews: 1

How Do G2 Users Rate VaxVoIP SIP Server SDK?

  • Has the product been a good partner in doing business?: 10.0/10 (Category avg: 8.8/10)
  • Phone Calls: 10.0/10 (Category avg: 9.1/10)
  • VOiP Number: 10.0/10 (Category avg: 9.0/10)
  • Desk-to-Desk Calls: 10.0/10 (Category avg: 8.6/10)

Who Is the Company Behind VaxVoIP SIP Server SDK?

Who Uses This Product?

  • Company Size: 100% Small

What Do G2 Reviewers Say About VaxVoIP SIP Server SDK?

AI-generated summary from verified user reviews

Pros
  • Users find the ease of use of VaxVoIP SIP Server SDK makes implementation straightforward and efficient.
  • Users find the easy implementation of VaxVoIP SIP Server SDK to be efficient and hassle-free for their projects.
  • Users praise the easy integration of VaxVoIP SIP Server SDK, facilitating a smooth setup experience.
  • Users highlight the ease of use and integration of VaxVoIP SIP Server SDK, streamlining their communication needs.

What Are Recent G2 Reviews of VaxVoIP SIP Server SDK?

Verizon VoIP/IP Trunking

IP Trunking allows you to make and receive calls from your office to the outside world through your data network, controlling your overall costs. When paired with our unified communications and collaboration services and solutions, it opens up the latest collaborative possibilities for your workforce, including mobility, video conferencing and online meetings.

Average Rating: 4.5/5.0

Total Reviews: 1

Who Is the Company Behind Verizon VoIP/IP Trunking?

  • Seller: Verizon Enterprise
  • Year Founded: 1988
  • HQ Location: Basking Ridge, NJ
  • Twitter: @VerizonEnterpr
    7 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    15,489 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 100% Medium

What Are Recent G2 Reviews of Verizon VoIP/IP Trunking?

Vinix Business Cloud Communications

Vinix is a cloud business communications platform that integrates VoIP phone system capabilities, contact center tools, and advanced call management features into a flexible and adaptable solution. The platform is designed to help businesses manage voice communications, messaging, and customer interactions within a scalable cloud environment while maintaining greater control than traditional communication providers. The primary audience for Vinix includes small businesses, midsize companies, enterprises, and contact centers that need reliable communications without rigid platform limitations. By replacing traditional phone systems with cloud based calling features such as auto attendants, call routing, call queues, and voicemail, Vinix enables organizations to streamline communication workflows. This approach is especially useful for remote teams and multi location businesses that require consistency without complex hardware deployments. Key features of Vinix include real time analytics, detailed call reporting, and intelligent call routing. These capabilities help organizations monitor communication performance, understand call quality, and improve user productivity across customer support, inbound sales, outbound campaigns, and internal collaboration. Vinix integrates into existing business environments and allows organizations to scale users and services as communication needs evolve. Companies can add or adjust features without significant infrastructure changes, supporting growth while maintaining operational flexibility. The platform also supports AI driven communication workflows that enable automation, real time call insights, and intelligent interaction handling without requiring businesses to replace their existing communication processes. By combining cloud VoIP functionality, contact center capabilities, and scalable communication tools, Vinix provides businesses with a reliable foundation for modern communications while preserving the flexibility and control needed to adapt as their operations grow.

Average Rating: 5.0/5.0

Total Reviews: 1

How Do G2 Users Rate Vinix Business Cloud Communications?

  • Phone Calls: 10.0/10 (Category avg: 9.1/10)
  • VOiP Number: 10.0/10 (Category avg: 9.0/10)
  • Desk-to-Desk Calls: 10.0/10 (Category avg: 8.6/10)

Who Is the Company Behind Vinix Business Cloud Communications?

  • Seller: Vinix
  • Company Website:
  • Year Founded: 2014
  • HQ Location: Miami, US
  • LinkedIn® Page: www.linkedin.com
    14 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 100% Small

What Do G2 Reviewers Say About Vinix Business Cloud Communications?

AI-generated summary from verified user reviews

Pros
  • Users praise Vinix for its responsive customer support, making troubleshooting and guidance quick and efficient.
  • Users commend the responsive customer support of Vinix, always eager to assist and educate efficiently.
  • Users rave about the ease of use of Vinix Business Cloud Communications, enhancing productivity for all team members.
  • Users love the easy communication offered by Vinix, enhancing productivity for both remote and on-site teams.
  • Users rave about the easy integration of Vinix, enhancing productivity with seamless communication across platforms.

What Are Recent G2 Reviews of Vinix Business Cloud Communications?

VOCAL VoIP

VOCAL is celebrating over 30 years as a leading designer of innovative solutions for Voice, Video, Fax and Data communications. VOCAL specializes in voice and VoIP technologies for telephony, network, mobile and radio applications.

Average Rating: 5.0/5.0

Total Reviews: 1

Who Is the Company Behind VOCAL VoIP?

  • Seller: Vocal
  • Year Founded: 1986
  • HQ Location: Buffalo, US
  • LinkedIn® Page: www.linkedin.com
    17 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 50% Large, 50% Medium

What Are Recent G2 Reviews of VOCAL VoIP?

VoiceStack

VoiceStack: AI-Powered Phone System for Dental Practices VoiceStack is an AI-driven Enterprise VoIP phone system built exclusively for dental practices and DSOs. Unlike generic telephony platforms, VoiceStack doesn’t just connect calls. It transforms them into growth opportunities by combining advanced VoIP technology with conversational AI, call analytics, and seamless PMS integration. The result is a smarter front desk, fewer missed opportunities, and measurable revenue growth. Turn Every Call Into a Growth Opportunity: In dentistry, the majority of patient journeys begin with a phone call. Yet many practices lose potential patients due to unanswered calls, untrained staff, or lack of follow-up. VoiceStack solves this by providing a comprehensive call intelligence layer that empowers your team to capture, analyze, and act on every conversation. Whether it’s a new patient inquiry, treatment follow-up, or recall reminder, VoiceStack ensures no opportunity slips through the cracks. Key Capabilities:- AI-Powered Call Analytics: Every call is automatically transcribed and scored for quality, outcomes, and staff performance. Managers gain real-time insight into how front-desk teams handle inquiries and where coaching can drive improvement. Missed-Call Automation: Missed calls are flagged instantly, and the system triggers AI-driven follow-up workflows to re-engage patients within minutes. This helps practices recover opportunities that would otherwise be lost. Marketing Attribution & Reporting: Link incoming calls to specific campaigns and channels to understand true ROI. Practices can see exactly which marketing dollars drive booked appointments. Seamless PMS Integration: Deep integration with CareStack and other systems means staff can schedule appointments, trigger reminders, or initiate text-to-pay workflows directly from the call interface, eliminating double work and fragmented data. Enterprise-Ready Telephony: Secure, scalable, and cloud-based VoIP ensures clear calls across multiple locations. It is ideal for fast-growing DSOs as well as single-site practices. Why Dental Teams Choose VoiceStack: VoiceStack is designed for the realities of running a dental practice. Front-desk staff gain intuitive tools that reduce stress and increase efficiency. Office managers benefit from clear analytics and accountability. DSO leaders finally get visibility across locations to standardize performance and drive growth at scale. More Than a Phone System: VoiceStack is not just about making and receiving calls. It empowers your team to deliver better patient experiences. With AI insights, practices can coach staff to build rapport, improve treatment acceptance, and handle objections with confidence. With automated follow-up, practices can re-engage missed patients before they book elsewhere. With attribution analytics, leaders can invest in the right marketing strategies with confidence. The VoiceStack Advantage:- Built for dentistry: Tailored to the unique workflows of dental practices and DSOs. AI at the core: Not an add-on, but embedded intelligence that drives action. Proven ROI: Documented case studies show real revenue growth in as little as 30–90 days. Seamless ecosystem: Works hand-in-hand with CareStack PMS and integrates with other business systems. VoiceStack transforms the front desk from a cost center into a revenue-driving growth engine. By bridging enterprise VoIP with AI, analytics, and automation, it ensures that every call counts and that your practice never misses another opportunity.

Average Rating: 3.5/5.0

Total Reviews: 1

How Do G2 Users Rate VoiceStack?

  • Has the product been a good partner in doing business?: 6.7/10 (Category avg: 8.8/10)
  • Phone Calls: 10.0/10 (Category avg: 9.1/10)

Who Is the Company Behind VoiceStack?

Who Uses This Product?

  • Company Size: 100% Small

Voip

EveryDay Voip integrates phone, video, meetings and messaging in one easy to use reliable PBX solution. Our service has been designed to keep you connected with your clients, anywhere around the world, giving you the flexibility to operate your business, as you wish. Install our apps on your desktop, smartphone or tablet and experience HD-quality web, audio, and video, along with one-click functionality. Promote collaboration with team messaging, unlimited SMS, and more.

Average Rating: 3.0/5.0

Total Reviews: 1

How Do G2 Users Rate Voip?

  • Phone Calls: 6.7/10 (Category avg: 9.1/10)
  • VOiP Number: 6.7/10 (Category avg: 9.0/10)
  • Desk-to-Desk Calls: 0.0/10 (Category avg: 8.6/10)

Who Is the Company Behind Voip?

Who Uses This Product?

  • Company Size: 100% Small

What Do G2 Reviewers Say About Voip?

AI-generated summary from verified user reviews

Pros
  • Users find VoIP to be easy to use, enabling seamless connections to a wide range of customers.
  • Users value the easy connection Voip offers, facilitating interactions with potential customers effortlessly.

voipexperts

VoIP Experts are one of the top VoIP phone system providers in the UK for VoIP systems and support. We design business phone solutions to enable you to make calls from anywhere to anywhere. We utilize the latest telephony technology for our VoIP solutions. Our technical support team is always available 24/7. Many large-scale firms nowadays prefer VoIP services for the smooth management of their business. With the help of a VoIP solution, you can save your money and time in the long run. With the highest-ranked voice quality, you'll never miss out on what someone has to say, making sure your communication is clear, and you don't have to worry about distorted sound. Our Cloud-hosted telephony is compatible with all devices.

Average Rating: 5.0/5.0

Total Reviews: 1

How Do G2 Users Rate voipexperts?

  • Phone Calls: 10.0/10 (Category avg: 9.1/10)
  • VOiP Number: 10.0/10 (Category avg: 9.0/10)
  • Desk-to-Desk Calls: 10.0/10 (Category avg: 8.6/10)

Who Is the Company Behind voipexperts?

  • Seller: Paul gill
  • Year Founded: 2018
  • HQ Location: Birmingham United Kingdom, GB
  • LinkedIn® Page: www.linkedin.com
    1 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 100% Medium

What Do G2 Reviewers Say About voipexperts?

AI-generated summary from verified user reviews

Pros
  • Users praise the easy connection of VoIPEXperts, facilitating successful communication for overseas sales calls.
  • Users commend the reliable overseas communication of VoIPExperts, facilitating successful sales pitches with clients globally.
Cons
  • Users often face connection issues with VoipExperts, leading to rejected calls and an unstable platform experience.
  • Users report connectivity issues with VoIPexperts, noting high call rejections and an unstable platform UI.

What Are Recent G2 Reviews of voipexperts?

VoIPline Telecom

VoIPline Telecom is business VoIP service provider, offering hosted PBX, SIP trunking, toll-free numbers, Microsoft Teams direct routing, call centre services and more.

Average Rating: 4.0/5.0

Total Reviews: 1

Who Is the Company Behind VoIPline Telecom?

Who Uses This Product?

  • Company Size: 100% Medium

What Are Recent G2 Reviews of VoIPline Telecom?

VoipTower

VoipTower is a managed VoIP infrastructure solution for international businesses that need reliable voice connectivity, local phone numbers, SIP routing, and business telephony across multiple countries. The platform helps companies set up and manage international business communications across 25+ active markets. VoipTower supports DID numbers, SIP trunking, SIP routing, inbound and outbound call routing, failover routing, PBX integration, CRM telephony integration, and international business phone numbers. VoipTower is used by call centers, B2B sales teams, logistics companies, e-commerce support teams, outsourcing companies, and other international businesses that need stable voice infrastructure without building telecom operations from scratch. The service supports the full implementation process, including number selection, routing configuration, integration with existing PBX or CRM systems, testing, onboarding, and ongoing technical support. This allows companies to launch and manage business telephony faster while keeping control over their voice infrastructure. VoipTower is especially relevant for teams that operate across several countries and need local presence, reliable routing, flexible call handling, and technical support during implementation. Common use cases include setting up local DID numbers for sales teams, configuring SIP trunks for call centers, routing calls by country or department, improving call reliability for logistics operations, and connecting business telephony with CRM or PBX systems. VoipTower combines international number coverage, routing configuration, implementation support, and ongoing technical assistance in one managed VoIP solution.

Average Rating: 5.0/5.0

Total Reviews: 1

How Do G2 Users Rate VoipTower?

  • Has the product been a good partner in doing business?: 10.0/10 (Category avg: 8.8/10)
  • Phone Calls: 10.0/10 (Category avg: 9.1/10)
  • VOiP Number: 10.0/10 (Category avg: 9.0/10)

Who Is the Company Behind VoipTower?

Who Uses This Product?

  • Company Size: 100% Small

What Are Recent G2 Reviews of VoipTower?

Neeraja Prakash
NP
Researched and written by Neeraja Prakash
Updated April 9, 2026