Best VoIP Providers - Page 16

How Many VoIP Providers Products Does G2 Track?

Total Products under this Category: 494

Category Stats (Oct 2026)

  • Average Rating: 4.4/5 (↑0.01 vs Sep 2026) The average rating of products in this category, based on all submitted ratings
  • Top Trending Product: VoiceStack (+8.82%) - Among all products in this category, VoiceStack recorded the largest rating increase compared to last month

Last updated: October 20, 2026

How Does G2 Rank VoIP Providers Products?

Why You Can Trust G2's Software Rankings:

  • 30 Analysts and Data Experts
  • 62,100+ Authentic Reviews
  • 494+ 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 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)

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: 9.1/10)
  • VOiP Number: 10.0/10 (Category avg: 9.0/10)
  • 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
  • Twitter: @pascom_net
    1,254 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    32 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 100% Medium

What Are Recent G2 Reviews of pascom?

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: 9.1/10)
  • 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?

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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
  • Twitter: @PhonexaCalls
    386 Twitter followers
  • 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 for its exceptional customer support, highlighting knowledgeable staff and a user-friendly interface.
  • Users find Phonexa easy to use after training, appreciating its flexible features and excellent support during onboarding.
  • Users find Phonexa's exceptional support team invaluable for successful campaign setups and addressing technical issues.
  • Users commend Phonexa for its excellent functionality and support, enhancing their lead delivery and tracking experience.
  • Users appreciate the extensive features of Phonexa, praising its ability to customize campaigns effectively.
Cons
  • Users note a steep learning curve with Phonexa, requiring extra guidance to fully leverage its features.
  • Users find the steep learning curve challenging, requiring time to master Phonexa's intricate functionalities.
  • Users find the complex setup of Phonexa challenging, requiring additional guidance to navigate effectively.
  • Users note a difficult learning curve with Phonexa, requiring time and effort to fully master its features.
  • Users find Phonexa not intuitive, requiring additional support to navigate its complex features and setup processes.

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: 9.1/10)
  • 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 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: 9.1/10)
  • 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 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: 9.1/10)
  • 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 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 value the easy communication of Ringblaze, which enhances collaboration and improves customer interaction management.
  • Users value the easy integration of Ringblaze, which simplifies collaboration and enhances overall productivity.
  • Users commend the reliability of Ringblaze, praising its consistent performance in enhancing team collaboration and communication.
  • Users love the user-friendly interface of Ringblaze, making communication and collaboration effortless and efficient.
  • Users appreciate the seamless video conferencing capabilities of Ringblaze, enhancing productivity and optimizing team collaboration.

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: 9.1/10)
  • 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: 9.1/10)
  • 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 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 value the easy setup of Ringstar Cloud PBX, complemented by great quality and helpful support.
  • Users value the helpful support team of Ringstar Cloud PBX, ensuring smooth setups and high-quality service.
  • Users value the helpful customer support from Ringstar Cloud PBX, making setup and usage experience smooth.
  • Users praise the reliability of Ringstar Cloud PBX, noting its easy setup and excellent support team.
  • Users praise the high video quality of Ringstar Cloud PBX, enhancing their communication experience effectively.

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: 9.1/10)
  • 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 Samespace?

  • Seller: Samespace
  • Year Founded: 2018
  • HQ Location: Palo Alto, US
  • Twitter: @samespace
    520 Twitter followers
  • 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, benefiting from real-time monitoring and enhanced task performance.
  • Users appreciate the real-time monitoring and analytics features of Samespace, enhancing task performance and efficiency.
  • Users value the effective communication features of Samespace, enhancing interactions and boosting overall efficiency.
  • Users value the seamless CRM integration of Samespace, enhancing their workflow management and efficiency.
  • Users value the customization options in Samespace, enhancing their workflow and optimizing task management effectively.
Cons
  • Users often experience connection issues with Samespace, causing frustration despite otherwise positive feedback.
  • Users experience limited AI capabilities, resulting in occasional headaches and connection issues impacting overall satisfaction.
  • Users experience integration issues that lead to frustrations and hinder seamless functionality in Samespace.
  • Users find the language limitations in Samespace cumbersome, leading to occasional frustrations with customization options.
  • Users find the limited customization options frustrating, leading to occasional headaches during use.

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 value the ease of use of SimpleVox, appreciating seamless AI features and helpful automated transcriptions.
  • Users appreciate the user-friendly interface and effective AI features, enhancing their experience with helpful automated transcriptions.
  • Users appreciate the reliability of SimpleVox, enjoying its seamless functionality and helpful automated features.
Cons
  • Users note the limited platform compatibility of SimpleVox, as it currently supports only iOS and web.
  • Users note the platform limitations of SimpleVox, restricting access to only iOS and web platforms currently.

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?

SIPPIO

SIPPIO architected a fully automated, end-to-end cloud solution providing top grade carrier services through certified session border controllers running exclusively in Microsoft Azure. The SIPPIO Voice Panel enables quick and easy activations to minimize costly professional services. Built as an app for Microsoft Teams, ongoing user management is simple and secure.

Average Rating: 5.0/5.0

Total Reviews: 1

How Do G2 Users Rate SIPPIO?

  • 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 SIPPIO?

  • Seller: SIPPIO
  • Year Founded: 2014
  • HQ Location: Annapolis, US
  • LinkedIn® Page: www.linkedin.com
    44 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 100% Medium

What Do G2 Reviewers Say About SIPPIO?

AI-generated summary from verified user reviews

Pros
  • Users find SIPPIO Voice to be immensely helpful for troubleshooting SIP and VoIP issues, making it highly recommendable.
  • Users find SIPPIO Voice incredibly helpful for troubleshooting SIP and VoIP issues, making it highly recommendable.

What Are Recent G2 Reviews of SIPPIO?

Sipsrus

(ISO Certified) Sipsrus is a company specializing in the SIP Trunking field since 2012. A Standard Sipsrus works with any SIP-enabled PBX, allowing businesses to connect globally. With Zoom Integration, businesses can bring their carrier to Zoom Phone. It supports easier migration, maximum flexibility, global support, and PSTN Carrier. Sipsrus connects easily to all legacy systems! Send and Receive HIPAA Certified Faxes.

Average Rating: 3.5/5.0

Total Reviews: 1

How Do G2 Users Rate Sipsrus?

  • Phone Calls: 10.0/10 (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 Sipsrus?

  • Seller: Sipsrus
  • Year Founded: 2012
  • HQ Location: melville, US
  • LinkedIn® Page: www.linkedin.com
    2 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 100% Medium
Neeraja Prakash
NP
Researched and written by Neeraja Prakash
Updated April 9, 2026