# Best VoIP Providers - Page 24

## How Many VoIP Providers Products Does G2 Track?

**Total Products under this Category:** 426

### Category Stats (Aug 2026)

- **Average Rating:** 4.37/5 The average rating of products in this category, based on all submitted ratings
- **Top Trending Product:** Phone2 (+4.77%) - Among all products in this category, Phone2 recorded the largest rating increase compared to last month

_Last updated: August 04, 2026_

## How Does G2 Rank VoIP Providers Products?

**Why You Can Trust G2's Software Rankings:**

- 30 Analysts and Data Experts
- 61,400+ Authentic Reviews
- 426+ 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](https://www.g2.com/categories/voip-providers/grids.png?focus%5B%5D=1173&focus%5B%5D=53495&focus%5B%5D=1451753&focus%5B%5D=129760&focus%5B%5D=16314&focus%5B%5D=18255&focus%5B%5D=70977&focus%5B%5D=71595)

Highlighted products: RingEX, Nextiva, Zoom Phone, Quo, Dialpad Connect, Webex Suite, Webex Calling, and 8x8 Work.

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=8x8-work)

**Sponsored**

### 3CX

3CX is a business communications system that replaces traditional PBXs. Offering one all encompassing solution for calls, video conferencing, live chat and messaging. It's open standard, meaning you can use it with any IP Phone or SIP trunk provider. Built for remote working and mobility through its apps for Android, iOS and the Web. This award-winning software innovates business connectivity and collaboration. enabling companies of all sizes to cut telco costs, boost employee productivity, and enhance customer experience. Benefits: Easy to install and manage; Low cost to buy and maintain. Available on-premise or hosted.

[Visit website](https://www.g2.com/external_clickthroughs/record?secure%5Bad_program%5D=ppc&secure%5Bad_slot%5D=category_product_list_llm&secure%5Bcategory_id%5D=118&secure%5Bchosen_at%5D=2026-08-13T15%3A11%3A40Z&secure%5Bdisplayable_resource_id%5D=118&secure%5Bdisplayable_resource_type%5D=Category&secure%5Bmedium%5D=sponsored&secure%5Bplacement_reason%5D=page_category&secure%5Bplacement_resource_ids%5D%5B%5D=118&secure%5Bprioritized%5D=false&secure%5Bproduct_id%5D=15858&secure%5Bresource_id%5D=118&secure%5Bresource_type%5D=Category&secure%5Bsource_type%5D=category_page&secure%5Bsource_url%5D=https%3A%2F%2Fwww.g2.com%2Fcategories%2Fvoip-providers%3FhsCtaTracking%3D22a3326c-6d44-418d-bca0-2e5443327a14%257Cd6d1b2fd-ef3e-47df-b68c-3b955575500f%26page%3D24&secure%5Btoken%5D=a49b0307dbd04c3cc3925fb3608c6449d12ca4749e71d04c9f39f7d4911c89ef&secure%5Burl%5D=https%3A%2F%2Fwww.3cx.com%2Fpbx%2Fsip-trunks%2F%3Futm_source%3Dg2%26utm_medium%3Dclicks_campaign%26utm_content%3Dvoip&secure%5Burl_type%5D=custom_url)

### [Norstar Cloud](https://www.g2.com/products/norstar-cloud/reviews)

UNIFIED COMMUNICATIONS Voice, messaging, video conferencing and screen sharing all in one Cloud or On-Premise

#### Who Is the Company Behind Norstar Cloud?

- **Seller:** [NORSTAR Networks](https://www.g2.com/sellers/norstar-networks)
- **Year Founded:** 1987
- **HQ Location:** Wilkes-Barre, US
- **Twitter:** @NORSTARNetworks  
1,174 Twitter followers
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=3e7e3e070b91c5ea1186b62c6ff6c1775d717f81bd182e5f2b0943726db058e6&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2F2197900%2F&secure%5Burl_type%5D=linkedin_company_website)  
23 employees on LinkedIn®

### [OfficeSpaces VOIP Phone System](https://www.g2.com/products/officespaces-voip-phone-system/reviews)

The OfficeSpaces.co VOIP Phone System is a modern, cloud-based business communication solution designed to replace traditional phone lines with a fully integrated, internet-powered system. Built for startups, small businesses, and growing teams, it enables organizations to manage calls, messaging, and team communications from anywhere—without the need for physical phone hardware.

#### Who Is the Company Behind OfficeSpaces VOIP Phone System?

- **Seller:** [OfficeSpaces](https://www.g2.com/sellers/officespaces)
- **Year Founded:** 2024
- **HQ Location:** Delaware, US
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=baee23d4565129a032f320734f6f139ac8b486e0681319f757a3ea63a6f3d410&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Fofficespaces-co&secure%5Burl_type%5D=linkedin_company_website)  
3 employees on LinkedIn®

### [Omnivoice](https://www.g2.com/products/omnivoice/reviews)

Omnivoice is the fast, secure & powerful answer to your business communication needs. Users can expect: - Some of the best pricing options on the market. - Unmatched voice clarity for uninterrupted conversations. - An intuitive platform that is almost too easy to navigate. - Essential communication tools including business numbers and messaging services. - Advanced call management to optimize client interactions. - Admin tools for effective team management. All these features are backed by responsive support, ready to assist users in maximizing the platform's potential. Omnivoice aims to be the reliable communication backbone for small businesses.

#### Who Is the Company Behind Omnivoice?

- **Seller:** [Omnivoice](https://www.g2.com/sellers/omnivoice)
- **HQ Location:** 1 Sansome St, Suite 1400 10104 San Francisco, CA 94104
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=7886df2ed926834e5eb248c77dcfa8e5c815d3ab1f0fe3132ced0dba45868834&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2FNo-Linkedin-Presence-Added-Intentionally-By-DataOps&secure%5Burl_type%5D=linkedin_company_website)  
1 employees on LinkedIn®

### [One Click VoIP Phone Service](https://www.g2.com/products/one-click-voip-phone-service/reviews)

If you have an outdated phone system, need to replace a phone for small business, or are looking to add more features to your phone system, consider upgrading to a VOIP system. With features such as call presence, making calls from your computer or phone through the phone system, and the ability to take your phone anywhere, we can find the perfect solution for you! And we can ship your phones to your business all ready to plug in with our fully remote deployment capabilities!

#### Who Is the Company Behind One Click VoIP Phone Service?

- **Seller:** [One Click](https://www.g2.com/sellers/one-click-772d1a37-21c7-4b0e-bbc6-b8467128d268)
- **Year Founded:** 2007
- **HQ Location:** Germantown, US
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=02a2a7228651406a416fefda4bafd4cca661c3684aa99ca00511bf423d60e07e&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Fone-click-computers-llc&secure%5Burl_type%5D=linkedin_company_website)  
30 employees on LinkedIn®

### [OneCloud Networks](https://www.g2.com/products/onecloud-networks/reviews)

Effective communications systems are critical to every business as they respond to the demands of todays work environment.

#### Who Is the Company Behind OneCloud Networks?

- **Seller:** [OneCloud Networks](https://www.g2.com/sellers/onecloud-networks)
- **Year Founded:** 2007
- **HQ Location:** Plano, US
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=c8e624ac04dd70585fc1427b35fa0834f744e1096bdd4f10cc7c81b02709e8f6&secure%5Burl%5D=http%3A%2F%2Fwww.linkedin.com%2Fcompany%2Fonecloud-networks&secure%5Burl_type%5D=linkedin_company_website)  
11 employees on LinkedIn®

### [OnSwitchIT](https://www.g2.com/products/onswitchit/reviews)

OnSwitch provides 24/7 technical support and cloud-based phone solutions for small and mid-sized businesses.

#### Who Is the Company Behind OnSwitchIT?

- **Seller:** [Onswitchit](https://www.g2.com/sellers/onswitchit)
- **Year Founded:** 2014
- **HQ Location:** Canada
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=e9e6ca01b71ace0208cba21b969906bbfdbb7f33021c1284c5079ed8729fee2f&secure%5Burl%5D=http%3A%2F%2Fwww.linkedin.com%2Fcompany%2Fonswitch-inc-&secure%5Burl_type%5D=linkedin_company_website)  
2 employees on LinkedIn®

### [OpenScape 4000](https://www.g2.com/products/openscape-4000/reviews)

OpenScape 4000 delivers converged IP and TDM infrastructure that lets you migrate at your own pace—whether maintaining on-premises control, deploying VMware-based private cloud, or implementing hybrid configurations. This architectural flexibility protects your investment while supporting modern SIP-based communications and legacy digital endpoints simultaneously. Built on proven enterprise technology with active-standby dual node architecture, OpenScape 4000 ensures zero calls lost during system failovers while supporting up to 12,000 users on a single system. Mitel licensing enables seamless portability across the entire OpenScape solution family, protecting your software investment as business requirements evolve.

#### Who Is the Company Behind OpenScape 4000?

- **Seller:** [Mitel Networks](https://www.g2.com/sellers/mitel-networks-01d2c63e-d7d9-47b7-9278-bf4db28c95a9)
- **Year Founded:** 1972
- **HQ Location:** Kanata, Ontario
- **Twitter:** @Mitel  
22,451 Twitter followers
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=5a4734231cccb07e4478cf7d109b6d1ed6635375229b8f5b42c0a5461f77465b&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2F4924%2F&secure%5Burl_type%5D=linkedin_company_website)  
4,011 employees on LinkedIn®
- **Total Revenue (USD mm):** $1,300

### [Optus Loop Live](https://www.g2.com/products/optus-loop-live/reviews)

Optus Loop Live lets you use business phone features on your mobile or PC with a monthly subscription and the Optus Loop Live app.

#### Who Is the Company Behind Optus Loop Live?

- **Seller:** [Optus](https://www.g2.com/sellers/optus)
- **HQ Location:** N/A
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=1446235b2232bd412f3a948c16dbf58ebf2e3df021b7ddbc11a04e42374bd63f&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Foptus%2F&secure%5Burl_type%5D=linkedin_company_website)  
1 employees on LinkedIn®

### [Orbtalk](https://www.g2.com/products/orbtalk/reviews)

As one of the UK's leading VoIP providers, we provide business telephone systems for companies of all sizes.

#### Who Is the Company Behind Orbtalk?

- **Seller:** [Orbtalk](https://www.g2.com/sellers/orbtalk)
- **HQ Location:** N/A
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=7886df2ed926834e5eb248c77dcfa8e5c815d3ab1f0fe3132ced0dba45868834&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2FNo-Linkedin-Presence-Added-Intentionally-By-DataOps&secure%5Burl_type%5D=linkedin_company_website)  
1 employees on LinkedIn®

### [Ovvoe](https://www.g2.com/products/ovvoe/reviews)

Aragonese company leader, specialized in business consulting services, technological, digital and outsourcing services.

#### Who Is the Company Behind Ovvoe?

- **Seller:** [Hiberus Tecnologia](https://www.g2.com/sellers/hiberus-tecnologia-aa3ea935-b230-4794-abea-c3c744ddab07)
- **HQ Location:** Zaragoza, ES
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=836e13cc86985a3b0430d85c66c8d475a9c7b244ba87e4109f8aa806f06c83b8&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Fhiberus%2F&secure%5Burl_type%5D=linkedin_company_website)  
3,165 employees on LinkedIn®

### [Oyatel](https://www.g2.com/products/oyatel/reviews)

The Nordic region's leading telephone system replaces the traditional switchboard.

#### Who Is the Company Behind Oyatel?

- **Seller:** [Oyatel](https://www.g2.com/sellers/oyatel)
- **HQ Location:** Oslo, NO
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=f7d789f9e5fc9518a9a6f8dd61721b74220049374ce660526878f9aa61a01b42&secure%5Burl%5D=http%3A%2F%2Fwww.linkedin.com%2Fcompany%2Foyatel-as&secure%5Burl_type%5D=linkedin_company_website)  
3 employees on LinkedIn®

### [PBXact](https://www.g2.com/products/pbxact/reviews)

The PBXact Business phone system is a fully-featured IP-PBX designed with unified communication features for organizations needing mobility, productivity and collaboration capabilities.

#### Who Is the Company Behind PBXact?

- **Seller:** [CyberLynk Network](https://www.g2.com/sellers/cyberlynk-network)
- **Year Founded:** 1995
- **HQ Location:** N/A
- **Twitter:** @CyberLynk  
259 Twitter followers
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=15d61c2cc72062afe6a693426df7180364fe39b5dc1fc365dd267703445cb833&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Fcyberlynk-network-inc%2F&secure%5Burl_type%5D=linkedin_company_website)  
21 employees on LinkedIn®

### [pbxHQ Hosted Business Voice](https://www.g2.com/products/pbxhq-hosted-business-voice/reviews)

Enterprise quality cloud based business voice solutions. Available to users in 50+ countries with flexible pricing.

#### Who Is the Company Behind pbxHQ Hosted Business Voice?

- **Seller:** [1pbx Solutions](https://www.g2.com/sellers/1pbx-solutions)
- **HQ Location:** Toronto, CA
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=52259f6681f3c5d57cf046f86ee56fd76adc18a25e7ef73fc6fcf60a44a5d062&secure%5Burl%5D=http%3A%2F%2Fwww.linkedin.com%2Fcompany%2Fpbxhq&secure%5Burl_type%5D=linkedin_company_website)  
1 employees on LinkedIn®

### [Peeringo](https://www.g2.com/products/peeringo/reviews)

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.

#### Who Is the Company Behind Peeringo?

- **Seller:** [Algoreth](https://www.g2.com/sellers/algoreth)
- **HQ Location:** N/A
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=48f662cc161dc67c884af50d4158359caad95d588c295f2dc5bc1ac37856f602&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Falgoreth%2F&secure%5Burl_type%5D=linkedin_company_website)  
1 employees on LinkedIn®

### [Peoplefone](https://www.g2.com/products/peoplefone/reviews)

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.

#### Who Is the Company Behind Peoplefone?

- **Seller:** [Peoplefone](https://www.g2.com/sellers/peoplefone)
- **HQ Location:** N/A
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=7886df2ed926834e5eb248c77dcfa8e5c815d3ab1f0fe3132ced0dba45868834&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2FNo-Linkedin-Presence-Added-Intentionally-By-DataOps&secure%5Burl_type%5D=linkedin_company_website)  
1 employees on LinkedIn®

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Spotlight Categories

[Partner Relationship Management (PRM) Software](https://www.g2.com/categories/partner-relationship-management-prm)

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[Browse VoIP Providers Themes](/categories/voip-providers/themes)

 ![Neeraja Prakash](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Neeraja Prakash")
NP

Researched and written by [Neeraja Prakash](https://research.g2.com/insights/author/neeraja-prakash)

Updated April 9, 2026

Voice over Internet Protocol (VoIP) software transmits phone calls over an IP network without relying on traditional telephone infrastructure, functioning as a modern alternative to private branch exchange (PBX) systems. It helps organizations cut communication costs, support remote work, and maintain secure calling capabilities.

### Core Capabilities of Voice over Internet Protocol (VoIP) Software

To qualify for inclusion in the VoIP category, a product must:

- Provide VoIP PBX systems for businesses or offer a VoIP softphone application
- Include features that help manage incoming calls, such as call forwarding, call transferring, and routing
- Enable real-time network monitoring via dashboards
- Offer integration compatibility with communication and CRM platforms

### Common use cases for Voice over Internet Protocol (VoIP) Software

VoIP software supports scalable, reliable communication for internal collaboration and customer-facing interactions. It also benefits teams using related tools such as [video conferencing software](https://www.g2.com/categories/video-conferencing), [UCaaS platforms](https://www.g2.com/categories/ucaas-platforms), [contact center software](https://www.g2.com/categories/contact-center), and [CRM systems](https://www.g2.com/categories/crm).

### How Voice over Internet Protocol (VoIP) Software Differs from Other Tools

VoIP differs from traditional PBX by replacing legacy on-premises telephony systems with IP-based calling, reducing infrastructure and maintenance costs while improving flexibility for remote and hybrid teams. Compared with broader UCaaS platforms, VoIP primarily focuses on voice calling, softphones, and SIP-based PBX functionality, though VoIP is typically a core component of most UCaaS offerings.

### Insights from G2 on Voice over Internet Protocol (VoIP) Software

Based on category trends on G2, VoIP's reliability, cost savings, ease of remote access, and the convenience of softphone options that replace or supplement physical desk phones.

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