Best VoIP Providers - Page 16

How Many VoIP Providers Products Does G2 Track?

Total Products under this Category: 566

Category Stats (Nov 2026)

  • Average Rating: 4.4/5 (↑0.01 vs Oct 2026) The average rating of products in this category, based on all submitted ratings
  • Top Trending Product: VoiceStack (+10.92%) - Among all products in this category, VoiceStack recorded the largest rating increase compared to last month

Last updated: November 01, 2026

How Does G2 Rank VoIP Providers Products?

Why You Can Trust G2's Software Rankings:

  • 30 Analysts and Data Experts
  • 85,000+ Authentic Reviews
  • 566+ 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, Quo, Zoom Phone, 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=quo-quo&focus%5B%5D=zoom-zoom-phone&focus%5B%5D=dialpad-connect&focus%5B%5D=cisco-webex-suite&focus%5B%5D=webex-calling&focus%5B%5D=aircall)

Net Dial Tone (NDT)

LCS’ Voice Over Internet Protocol (VoIP) telephone technology produces a communications framework to manage day-to-day operations, communicate with remote employees, interact with current and prospective customers, and more. Net Dial Tone (NDT) is a hosted VoIP system that employs our state-of-the-art equipment to route your voice and data traffic. That means you don’t have to invest in any PBX hardware or software to benefit from the power and adaptability of VoIP communications.

Average Rating: 4.5/5.0

Total Reviews: 1

How Do G2 Users Rate Net Dial Tone (NDT)?

  • Phone Calls: 10.0/10 (Category avg: 9.2/10)
  • VOiP Number: 10.0/10 (Category avg: 9.1/10)
  • Desk-to-Desk Calls: 8.3/10 (Category avg: 8.6/10)

Who Is the Company Behind Net Dial Tone (NDT)?

Who Uses This Product?

  • Company Size: 100% Medium

What Do G2 Reviewers Say About Net Dial Tone (NDT)?

AI-generated summary from verified user reviews

Pros
  • Users appreciate the quick and easy installation options of Net Dial Tone, enhancing their VoIP experience effortlessly.
  • Users commend the quick setup of Net Dial Tone, enabling rapid VoIP benefits without IT hassles.
  • Users appreciate the quick and easy setup of Net Dial Tone, enabling fast access to VoIP benefits.
Cons
  • Users find the limited features of Net Dial Tone less competitive compared to other VoIP solutions available.

What Are Recent G2 Reviews of Net Dial Tone (NDT)?

Numero eSIM

Average Rating: 5.0/5.0

Total Reviews: 1

How Do G2 Users Rate Numero eSIM?

  • Phone Calls: 10.0/10 (Category avg: 9.2/10)
  • VOiP Number: 10.0/10 (Category avg: 9.1/10)

Who Is the Company Behind Numero eSIM?

Who Uses This Product?

  • Company Size: 100% Small

What Are Recent G2 Reviews of Numero eSIM?

pascom

At pascom, we upgrade business communications. With our pascom ONE cloud phone systems, your business will benefit form a centralised, intelligent hub packed full of Telephony, Unified Communications and Contact Centre functionality to ensure you can gain complete control over every aspect of your business communication requirements. The best bit; as we believe in delivering excellent customer service, all our business communications and collaboration tools are included as standard. Coupled with our industry unique Concurrent User licensing, your business will also benefit from even greater flexibility. Visit our website (www.pascom.net) and start upgrading your business communications free today.

Average Rating: 4.5/5.0

Total Reviews: 1

How Do G2 Users Rate pascom?

  • Phone Calls: 10.0/10 (Category avg: 9.2/10)
  • VOiP Number: 10.0/10 (Category avg: 9.1/10)
  • Desk-to-Desk Calls: 8.3/10 (Category avg: 8.6/10)

Who Is the Company Behind pascom?

  • Seller: pascom
  • Year Founded: 1997
  • HQ Location: Deggendorf, DE
  • LinkedIn® Page: www.linkedin.com
    32 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 100% Medium

What Are Recent G2 Reviews of pascom?

AI can help you find the answers. G2 helps you trust them.

Connect G2 to Claude or ChatGPT for answers grounded in G2's trusted reviews, comparisons, and pricing from real user insights.

How it works
Connect G2 to ChatGPTConnect G2 to Claude

PBX.IM

PBX.IM is a modern cloud-based phone system built to keep businesses connected, secure, and reliable as they grow. Designed for companies that value flexibility and simplicity, PBX.IM makes it easy to set up, manage, and scale communication without the hassle of traditional phone systems. Get local phone numbers in over 90 countries and connect with customers in over 190 destinations worldwide, backed by crystal-clear reliability from global data centers located across all continents. From auto attendants and call queues to voicemail transcripts and call monitoring, every feature is designed to streamline teamwork and deliver seamless customer experiences. Built-in security features, including encryption, Single Sign-On (SSO), and 2FA, ensure every call is private and protected. Whether you’re a fast-moving startup or an established business, PBX.IM gives you enterprise-grade communication tools at SMB-friendly pricing. It’s simple, powerful, and scalable - so your team can focus on what matters most: growing your business.

Average Rating: 4.0/5.0

Total Reviews: 1

How Do G2 Users Rate PBX.IM?

  • Phone Calls: 10.0/10 (Category avg: 9.2/10)
  • Desk-to-Desk Calls: 10.0/10 (Category avg: 8.6/10)

Who Is the Company Behind PBX.IM?

  • Seller: PBX.IM
  • Year Founded: 2004
  • HQ Location: Tampa, US
  • LinkedIn® Page: www.linkedin.com
    6 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 100% Small

What Are Recent G2 Reviews of PBX.IM?

Phonebooth

Phonebooth is a lowcost full featured business phone system. Pay for as many users as you need and add users as you grow. For just $20 per user per month you get unlimited local and long distance, with the business features that you need included. Autoattendants, voice to text email transcriptions, conference calling, call forwarding and much more.

Average Rating: 4.5/5.0

Total Reviews: 1

How Do G2 Users Rate Phonebooth?

  • Has the product been a good partner in doing business?: 8.3/10 (Category avg: 8.8/10)

Who Is the Company Behind Phonebooth?

Who Uses This Product?

  • Company Size: 100% Small

What Are Recent G2 Reviews of Phonebooth?

What Are G2 Users Discussing About Phonebooth?

Phonexa

Phonexa is the performance marketing platform that unifies call tracking and routing, lead tracking and distribution, compliance, and marketing analytics within one powerful ecosystem. Its two core modules, Call Logic for intelligent call tracking and routing and LMS Sync for automated lead management, power Phonexa’s performance engine. Together, they connect every inbound call and lead with real-time analytics, attribution, and automation tools that increase the ROI on every lead or call. Additional plug-ins such as iClear, iClaim, AI Call Agents, and Managed Services expand the platform’s capabilities to enhance compliance, streamline workflows, and fuel intelligent growth. Built for brands, agencies, publishers, and affiliate networks, Phonexa delivers advanced solutions for fraud prevention, data compliance, and workflow automation. From optimizing lead flow and improving call performance to ensuring transparency and regulatory compliance, Phonexa empowers marketing teams to scale smarter and faster. Phonexa gives marketers unmatched clarity, control, and efficiency across every customer acquisition channel. Learn more on www.Phonexa.com.

Average Rating: 4.9/5.0

Total Reviews: 169

How Do G2 Users Rate Phonexa?

  • Has the product been a good partner in doing business?: 9.8/10 (Category avg: 8.8/10)

Who Is the Company Behind Phonexa?

  • Seller: Phonexa
  • Company Website:
  • Year Founded: 2016
  • HQ Location: Glendale, CA
  • LinkedIn® Page: www.linkedin.com
    168 employees on LinkedIn®

Who Uses This Product?

  • Who Uses This: Director, CEO
  • Top Industries: Marketing and Advertising, Financial Services
  • Company Size: 86% Small, 10% Medium

What Do G2 Reviewers Say About Phonexa?

AI-generated summary from verified user reviews

Pros
  • Users commend Phonexa's exceptional customer support, noting hands-on assistance and valuable resources for effective campaign management.
  • Users find Phonexa easy to use, with excellent support ensuring smooth campaign setups and management.
  • Users value Phonexa's exceptional customer support, particularly praising team members like Sara for their assistance and guidance.
  • Users are impressed with Phonexa's outstanding customer support, enhancing functionality and providing invaluable assistance throughout the experience.
  • Users value the flexibility and powerful features of Phonexa, enhancing lead distribution and management effortlessly.
Cons
  • Users find the initial setup to have a somewhat steep learning curve, causing some initial confusion.
  • Users note a steep learning curve initially due to the platform's extensive features, but support helps navigate it.
  • Users find the complex setup of Phonexa challenging, seeking more guidance for a smoother learning experience.
  • Users find the difficult learning curve challenging initially, though support is available to help navigate the platform.
  • Users find the user interface confusing, noting a steep learning curve before fully grasping the system's functionality.

What Are Recent G2 Reviews of Phonexa?

What Are G2 Users Discussing About Phonexa?

Phound Business

Phound Business is a secure, all-in-one communication platform for organizations. It combines business phone numbers (in over 120 countries), calls, texting, video meetings, and AI assistance into one tool—helping teams replace scattered apps and outdated phone systems. Employees handle professional communications without using personal devices. Admins manage numbers, permissions, rules, activity monitoring, and billing from a single central portal for easy oversight. Key features: - Unified calls, messaging, and meetings (unlimited in many plans) - Real-time AI that listens to calls/meetings and generates summaries for quick catch-up - Secure internal team messaging - Centralized billing with clear pricing and no hidden fees - Continuity: numbers, contacts, and history stay with the company during role changes Phound Business delivers control, security, and efficiency—often at about 50% lower cost than similar options. Ideal for teams needing reliable, organized communication.

Average Rating: 5.0/5.0

Total Reviews: 5

Who Is the Company Behind Phound Business?

Who Uses This Product?

  • Company Size: 80% Small

What Are Recent G2 Reviews of Phound Business?

PrimeVOIP

PrimeVOIP is a global VoIP service provider helping businesses cut the cost of international communication without sacrificing voice quality, reliability, or compliance. Our platform delivers enterprise-grade voice and SIP trunking solutions designed for companies that make frequent cross-border calls

Average Rating: 5.0/5.0

Total Reviews: 1

How Do G2 Users Rate PrimeVOIP?

  • Phone Calls: 10.0/10 (Category avg: 9.2/10)
  • VOiP Number: 10.0/10 (Category avg: 9.1/10)
  • Desk-to-Desk Calls: 10.0/10 (Category avg: 8.6/10)

Who Is the Company Behind PrimeVOIP?

Who Uses This Product?

  • Company Size: 100% Small

What Do G2 Reviewers Say About PrimeVOIP?

AI-generated summary from verified user reviews

Pros
  • Users value the efficient and professional customer support of PrimeVOIP, appreciating their quick and knowledgeable responses.
  • Users praise the quick response of PrimeVOIP's customer support, highlighting their efficiency and professionalism in resolving issues.
  • Users appreciate the quick setup of PrimeVOIP, making it easy to get started with the service.

What Are Recent G2 Reviews of PrimeVOIP?

Qara

Qara is a business VoIP app that offers call monitoring with 'whisper' and 'barge' functions, manages the entire phone system call flow, and allows the ability to text and receive messages to the company number.

Average Rating: 5.0/5.0

Total Reviews: 1

How Do G2 Users Rate Qara?

  • 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: 9.2/10)
  • VOiP Number: 10.0/10 (Category avg: 9.1/10)
  • Desk-to-Desk Calls: 10.0/10 (Category avg: 8.6/10)

Who Is the Company Behind Qara?

Who Uses This Product?

  • Company Size: 100% Small

What Are Recent G2 Reviews of Qara?

Ringblaze

Ringblaze is a contemporary phone solution that comes with features that make it a one-stop communication environment for small businesses. It allows the creation of new phone numbers or ports existing ones, calls and receives calls as well as messages, and adds private member comments to customer timelines. All in one shared inbox. An extra pick is a click-to-call button (aka call widget) for websites so customers can call for free from anywhere. Available on Mac, Windows, Web, iOS, and Android.

Average Rating: 5.0/5.0

Total Reviews: 1

How Do G2 Users Rate Ringblaze?

  • Phone Calls: 10.0/10 (Category avg: 9.2/10)
  • VOiP Number: 10.0/10 (Category avg: 9.1/10)
  • Desk-to-Desk Calls: 10.0/10 (Category avg: 8.6/10)

Who Is the Company Behind Ringblaze?

  • Seller: Ringblaze
  • Year Founded: 2019
  • HQ Location: San Francisco, US
  • LinkedIn® Page: www.linkedin.com
    3 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 100% Small

What Do G2 Reviewers Say About Ringblaze?

AI-generated summary from verified user reviews

Pros
  • Users love the easy communication features of Ringblaze, boosting collaboration and enhancing team productivity seamlessly.
  • Users highlight the easy integration of Ringblaze, simplifying collaboration and enhancing overall productivity.
  • Users commend the reliable communication tools of Ringblaze, significantly enhancing team collaboration and productivity.
  • Users praise the user-friendly interface of Ringblaze, enhancing productivity and streamlining team collaborations effortlessly.
  • Users appreciate the video conferencing capabilities of Ringblaze, enhancing team collaboration and productivity through seamless communication.

What Are Recent G2 Reviews of Ringblaze?

Ringotel

Ringotel is an easy-to-use, secure and cost-effective softphone solution that upgrades your phone system with advanced mobility capabilities without the need to make any changes to existing infrastructure or PBX configuration. Ringotel feature-rich apps come on iOS, Android, Windows, Mac and Linux, so your calls, messages and contacts will be synchronized between all your devices. And with the built-in provisioning platform, your IT and PBX administration becomes much easier as you can configure, provision and maintain softphones remotely via the centralized admin portal or API.

Average Rating: 5.0/5.0

Total Reviews: 1

How Do G2 Users Rate Ringotel?

  • 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: 9.2/10)
  • Desk-to-Desk Calls: 5.0/10 (Category avg: 8.6/10)

Who Is the Company Behind Ringotel?

Who Uses This Product?

  • Company Size: 100% Medium

What Are Recent G2 Reviews of Ringotel?

What Are G2 Users Discussing About Ringotel?

Ringstar Cloud PBX

Ringstar Cloud Phone System delivers call recording, reporting, IVR, custom greetings, multi-agent call distribution, and seamless CRM integration to streamline business communications and enhance customer interactions.

Average Rating: 5.0/5.0

Total Reviews: 1

How Do G2 Users Rate Ringstar Cloud PBX?

  • 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: 9.2/10)
  • VOiP Number: 10.0/10 (Category avg: 9.1/10)
  • Desk-to-Desk Calls: 10.0/10 (Category avg: 8.6/10)

Who Is the Company Behind Ringstar Cloud PBX?

Who Uses This Product?

  • Company Size: 100% Small

What Do G2 Reviewers Say About Ringstar Cloud PBX?

AI-generated summary from verified user reviews

Pros
  • Users highlight the easy setup of Ringstar Cloud PBX, making it convenient and efficient to start using.
  • Users appreciate the helpful support team of Ringstar Cloud PBX, enhancing their overall experience with easy setup.
  • Users value the helpful support team of Ringstar Cloud PBX, enhancing their overall experience with the product.
  • Users praise the reliability of Ringstar Cloud PBX, noting easy setup and excellent support from the team.
  • Users praise the great video quality of Ringstar Cloud PBX, enhancing their communication experience significantly.

What Are Recent G2 Reviews of Ringstar Cloud PBX?

Samespace

Build on cutting-edge Internet technologies and design thinking principles, Samespace elates customer experience, increases agent productivity and saves a ton of money. We seamlessly integrate into any CRM to make your contact center agile and adaptable and to make your sales and support teams more productive with automation and streamlined workflows. The solution includes Dialer, IVR, webchat and on-net calls, and AI-powered analytics in one package.

Average Rating: 5.0/5.0

Total Reviews: 3

How Do G2 Users Rate Samespace?

  • Phone Calls: 10.0/10 (Category avg: 9.2/10)
  • VOiP Number: 10.0/10 (Category avg: 9.1/10)
  • Desk-to-Desk Calls: 10.0/10 (Category avg: 8.6/10)

Who Is the Company Behind Samespace?

  • Seller: Samespace
  • Year Founded: 2018
  • HQ Location: Palo Alto, US
  • LinkedIn® Page: www.linkedin.com
    71 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 67% Medium, 33% Small

What Do G2 Reviewers Say About Samespace?

AI-generated summary from verified user reviews

Pros
  • Users value the AI efficiency of Samespace, enhancing task performance through real-time monitoring and analytics.
  • Users value the automation features of Samespace, enhancing workflow efficiency and streamlining operations effectively.
  • Users value the effective communication tools of Samespace, enhancing collaboration and customer interaction efficiency.
  • Users appreciate the seamless CRM integration of Samespace, enhancing workflow management and efficiency in daily tasks.
  • Users value the customization options of Samespace, enhancing their user experience and improving task efficiency.
Cons
  • Users frequently experience connection issues, which hinder their overall satisfaction with Samespace's performance.
  • Users experience inadequate AI capabilities, leading to frustrations and occasional connectivity issues during use.
  • Users experience integration issues with Samespace, facing limited AI customization and connection problems frequently.
  • Users experience limited AI tool customization, which can lead to frustration and headaches during use.
  • Users experience limited customization options with Samespace, leading to frustration and occasional connection issues.

What Are Recent G2 Reviews of Samespace?

SimpleVox

SimpleVox is a cloud-based phone service designed for small businesses and individual service providers. It provides each user with a local or ported phone number, routes incoming calls according to configurable schedules and groups, and records voicemails when calls are unanswered. Recorded calls and voicemails are transcribed automatically, and the resulting text—along with caller information and any identified follow-up tasks—is stored in a web dashboard. Users can access their call history, read or search transcripts, and export data as needed. SimpleVox also supports automated SMS notifications for missed calls and simple interactive voice response (IVR) menus. All settings and call logs are managed through a browser-based interface or mobile app.

Average Rating: 5.0/5.0

Total Reviews: 1

Who Is the Company Behind SimpleVox?

Who Uses This Product?

  • Company Size: 100% Small

What Do G2 Reviewers Say About SimpleVox?

AI-generated summary from verified user reviews

Pros
  • Users appreciate the ease of use of SimpleVox, benefiting from its effective AI features and automated transcriptions.
  • Users highlight the user-friendly interface of SimpleVox, praising its seamless AI features and automated transcriptions.
  • Users value the reliability of SimpleVox, finding it easy to use with effective AI features and useful transcriptions.
Cons
  • Users are frustrated by the limited platform support, as SimpleVox only works on iOS and web currently.
  • Users are frustrated by the platform limitations of SimpleVox, as it currently only supports iOS and web.

What Are Recent G2 Reviews of SimpleVox?

Simplii

Simplii is a cloud-based telecommunications provider specializing in Voice over Internet Protocol (VoIP services tailored for small to mid-sized businesses. By integrating seamlessly with various Customer Relationship Management (CRM systems, Simplii enhances communication efficiency and productivity. Their comprehensive suite includes VoIP phone systems, business messaging, and video conferencing solutions, all designed to foster better connectivity and collaboration within organizations. With a focus on user-friendly interfaces and seamless integration, Simplii enables businesses to streamline their communication infrastructure, reduce costs, and scale operations effectively. Key Features and Functionality: - CRM Integration: Simplii's Fusion application integrates with multiple CRMs, offering features like click-to-call, screen pops, and activity logging to enhance workflow efficiency. - Business SMS and MMS: Facilitates sending and receiving text and multimedia messages directly from business numbers, with functionalities such as group messaging and compliance tracking. - Power Dialing: Enables loading leads from CRMs directly into the dialer, maintaining continuous calling activity to boost sales efforts. - Campaign Builder: Allows creation of workflow-based campaigns, automating tasks and communications based on specific triggers and stages. - Task Queue: Combines emails, tasks, and texts into a systematic queue, ensuring organized and efficient task management. - Advanced Support: Offers 24/7 customer support, including onsite assistance and free lifetime training to ensure optimal system performance. Primary Value and Solutions Provided: Simplii addresses the need for integrated and efficient communication systems within businesses. By merging VoIP services with CRM platforms, it eliminates the fragmentation often found in communication tools, leading to improved productivity and customer engagement. The platform's scalability and cost-effectiveness make it suitable for businesses aiming to enhance their communication infrastructure without significant investment. Additionally, Simplii's commitment to robust support and training ensures that clients can maximize the benefits of their services, leading to smoother operations and better customer relationships.

Total Reviews: 1

Who Is the Company Behind Simplii?

Who Uses This Product?

  • Company Size: 100% Small

What Are G2 Users Discussing About Simplii?

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