# Best VoIP Providers - Page 19

## How Many VoIP Providers Products Does G2 Track?

**Total Products under this Category:** 425

### 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
- 61,300+ Authentic Reviews
- 425+ 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**

### Quo

Trusted by 90,000+ businesses, Quo (formerly OpenPhone) brings your team’s calls, texts, and contacts into one AI-powered workspace — helping you respond instantly and win more customers. Bring clarity to every conversation. Shared inboxes, internal notes, and a mini CRM, gives every teammate the visibility and context they need to make sure each customer doesn't get missed. Respond to every customer. Fast. Built-in AI answers calls 24/7, flexible call flows route customers instantly, and custom contact properties ensure you're there when your customer needs you, while never missing a detail. Scale effortlessly as you grow. From your first customer to your thousandth, Quo adapts with you. No complex setup, no additional training, no growing pains. With Quo, it’s never been easier to close more deals, support more customers, and grow your business — without losing the human touch.

[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=2026-08-09T09%3A11%3A16Z&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=129760&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%3Fpage%3D19%26review_source%3Dmktg&secure%5Btoken%5D=95d8e490ce2c935f8520a8aec5f3426a74cf7c566e91181b99c92223402a4527&secure%5Burl%5D=https%3A%2F%2Fwww.quo.com%2Faffiliate%2Fg2%3Futm_channel%3DPaid%2520Referrals%26utm_source%3DG2%26utm_medium%3Dpaid%26utm_campaign%3DG2&secure%5Burl_type%5D=free_trial)

### [55PBX](https://www.g2.com/products/55pbx/reviews)

55PBX is the ultimate all in one CCaaS for Contact Centers, Customer Service and Sales team. PBX functions, whatsapp, chat and carrier with plug n play integrations with Zendesk, Pipedrive, Salesforce and more.

#### Who Is the Company Behind 55PBX?

- **Seller:** [55PBX](https://www.g2.com/sellers/55pbx)
- **Year Founded:** 2015
- **HQ Location:** São Paulo, BR
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=609f793dd1baaf3aa2e5b4213373a015c166c6b4fbcde831633089e19c161402&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2F55pbx%2F&secure%5Burl_type%5D=linkedin_company_website)  
103 employees on LinkedIn®

#### Who Uses This Product?

- **Company Size:** 100% Medium

#### What Are Recent G2 Reviews of 55PBX?

**["Amazing Experience for CCaaS"](https://www.g2.com/survey_responses/55pbx-review-4546401)**

**Rating:** 5.0/5.0 stars

_— Bruno R._

[Read full review](https://www.g2.com/survey_responses/55pbx-review-4546401)

#### What Are G2 Users Discussing About 55PBX?

- [What is 55PBX used for?](https://www.g2.com/discussions/what-is-55pbx-used-for)

### [Abbax Hosted VOIP](https://www.g2.com/products/abbax-hosted-voip/reviews)

Abbax Hosted VoIP provides high performance cloud solutions built to empower businesses small, medium and large.

#### Who Is the Company Behind Abbax Hosted VOIP?

- **Seller:** [Abbax Technologies](https://www.g2.com/sellers/abbax-technologies)
- **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®

### [Adore Softphone Premium](https://www.g2.com/products/adore-softphone-premium/reviews)

Android SIP Client Especially Developed With Keeping The Requirements Of VoIP Service Providers In Mind That's Why Android SIP Client Can Easily Integrate Itself With Any Of The SIP Servers. Other New And Advance Features Are Also Going To Make This Android App Likeable To Mobile Users As Well.

#### Who Is the Company Behind Adore Softphone Premium?

- **Seller:** [Adore Softphone Premium](https://www.g2.com/sellers/adore-softphone-premium)
- **HQ Location:** N/A
- **Twitter:** @adoresoft  
434 Twitter followers
- **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®

### [Afri Host VoIP](https://www.g2.com/products/afri-host-voip/reviews)

Afrihost's Pure VoIP is a cost-effective voice-over-internet service that enables users to make and receive calls using their existing internet connection. Designed for both individuals and businesses, it offers a flexible and affordable alternative to traditional landline services, eliminating monthly line rental fees and providing free calls between Pure VoIP numbers. Key Features and Functionality: - Affordable Call Rates: Enjoy competitive per-second billing with no hidden costs or fixed-term contracts. - Free Calls Between Pure VoIP Numbers: All calls to other Pure VoIP numbers are absolutely free, enhancing cost savings. - No Monthly Subscription Fees: Unlike traditional landlines, Pure VoIP has no monthly line or rental fees, reducing overall expenses. - Flexible Packages: Choose from various packages starting at R50 per month, with unused monthly CallTime rolling over for three months. - Device Compatibility: Configure your VoIP account on up to three devices, including smartphones, tablets, or VoIP-enabled phones. - Easy Setup: Simply sign up, receive a unique VoIP number, complete the RICA process, and connect using a VoIP phone or compatible app. Primary Value and User Solutions: Pure VoIP addresses the need for affordable and flexible telephony solutions by leveraging existing internet connections to provide high-quality voice services. It eliminates the costs associated with traditional landlines, offers free intra-network calls, and supports multiple devices, making it ideal for users seeking a reliable and cost-effective communication solution.

#### Who Is the Company Behind Afri Host VoIP?

- **Seller:** [Afrihost](https://www.g2.com/sellers/afrihost)
- **Year Founded:** 2000
- **HQ Location:** Johannesburg, ZA
- **Twitter:** @Afrihost  
60,497 Twitter followers
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=d2c24e68262c07317572b8dc0880c6c0275c33583144f2139d55cc2fba5cf115&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Fafrihost%2F&secure%5Burl_type%5D=linkedin_company_website)  
558 employees on LinkedIn®

### [Agility Hosted Telephony](https://www.g2.com/products/agility-hosted-telephony/reviews)

Agility Hosted Telephony is Simplicity Group’s Cloud Telephone System for Northern Ireland & UK businesses which utilises the very latest telephone system technology. Cloud-Based: Agility is hosted in the cloud, eliminating the need for on-premises hardware and reducing maintenance and management overhead. Users can access their phone system from anywhere with an internet connection. Microsoft Teams- Microsoft Teams Phone is rapidly becoming the go-to solution for businesses looking to simplify their communications and Operator Connect is the perfect addition to enhance your Team’s experience. With its seamless integration, Operator Connect streamlines your Teams calling capabilities and maximises your return on investment. Contact Centre as a Service (CCaaS): CCaaS is a cloud-based contact center solution that enables businesses to manage their customer interactions through various channels, such as voice calls, emails, chats, and social media. CCaaS platforms provide features like call routing, agent management, analytics, and customer relationship management (CRM) integration.

#### Who Is the Company Behind Agility Hosted Telephony?

- **Seller:** [Simplicity Group](https://www.g2.com/sellers/simplicity-group)
- **Year Founded:** 2009
- **HQ Location:** Belfast, GB
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=4cada637161eb0f68f539018238e3d5718923d4871e3b73b5278d4b1980e9350&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Fisimplicity%2F&secure%5Burl_type%5D=linkedin_company_website)  
40 employees on LinkedIn®

### [Ajoxi](https://www.g2.com/products/ajoxi/reviews)

AJOXI, the ultimate solution for remote contact centers. With AJoXI, businesses can seamlessly manage their contact center operations from anywhere in the world. Experience the power of virtual connectivity as AJoXI enables remote agents to handle customer interactions with efficiency and professionalism. With advanced features and a user-friendly interface, AJoXI ensures smooth collaboration, real-time monitoring, and exceptional customer service. Embrace the flexibility and convenience of a remote contact center with AJoXI, revolutionizing the way businesses engage with their customers.

#### Who Is the Company Behind Ajoxi?

- **Seller:** [Ajoxi](https://www.g2.com/sellers/ajoxi)
- **HQ Location:** Az Zahrah Dist, Al Madinah
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=41e0d5fe9d86635e866f3970bfef611c9f5079235d5943169d3f7f1ea88c6d51&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Fajoxi&secure%5Burl_type%5D=linkedin_company_website)  
20 employees on LinkedIn®

### [AllCloudIP](https://www.g2.com/products/allcloudip/reviews)

AllCloud IP offers businesses a full suite of enterprise voice and data applications without the enterprise cost. With over 12 years of voice and data cloud experience and a hands-on approach AllCloud IP customers can rest assured the vital components of their business will continue to run no matter what the world throws at them. With the world of technology ever changing AllCloud IP understands that there is no one size fits all, with that AllCloud IP prides itself with having access to a long list of carriers and partners to ensure the end user is getting the best possible service at the best possible price as well as having one point of contact to bring it all together. With our approach customers can take full advantage of their private cloud to bring out the best of their products and people weather its business continuity for uptime or unified communications such as VOIP or messaging to bring everyone together and everything in between to collaborate. AllCloud IP stands above the rest with ability to remain fluid in a moving world.

#### Who Is the Company Behind AllCloudIP?

- **Seller:** [AllCloud IP](https://www.g2.com/sellers/allcloud-ip)
- **HQ Location:** Indianapolis, US
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=d2e802b878e7c15244ccc51cdcb13ac5495d33d6eaf5201345e93b2a9ef18385&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2F49141997&secure%5Burl_type%5D=linkedin_company_website)  
3 employees on LinkedIn®

### [Alltel SmartConnect](https://www.g2.com/products/alltel-smartconnect/reviews)

Alltel Australia empowers businesses with telecommunications technology designed to help them thrive amid a changing communication environment. Our solutions support SMEs and enterprises across multiple industries with a focus on seamless collaborations and flexible connections.

#### Who Is the Company Behind Alltel SmartConnect?

- **Seller:** [Alltel](https://www.g2.com/sellers/alltel)
- **Year Founded:** 2007
- **HQ Location:** Wheelers Hill, AU
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=c8a48ef90bce80eba578f1c26e642198aacb6934ab81df60179b4420fa22b036&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Falltel-pty-ltd&secure%5Burl_type%5D=linkedin_company_website)  
35 employees on LinkedIn®

### [AOneVoIP VoIP Provider](https://www.g2.com/products/aonevoip-voip-provider/reviews)

AOneVoIP helps to optimize manual and autogenerated calls: while cost reduces, customer loyalty rises. With VoIP solution you can stay in touch with your audience 24/7 from any part of the world.

#### Who Is the Company Behind AOneVoIP VoIP Provider?

- **Seller:** [AOneVoIP](https://www.g2.com/sellers/aonevoip)
- **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®

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

banter’s cloud communication suite offers talk, text, and fax tools for businesses. Our products can be accessed on any device, allowing users to easily communicate using their desktop browser, desk phone, or smartphone. We also provide complete customization, developing solutions that meet unique needs and fit existing workflows.

#### Who Is the Company Behind banter?

- **Seller:** [banter.io](https://www.g2.com/sellers/banter-io)
- **Year Founded:** 2019
- **HQ Location:** Irving, US
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=79c5c5a3e0e03438b426a5c4db79fc96e7d511b97d59862c7fb6c3bdd2e97ba6&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Fbanter-io&secure%5Burl_type%5D=linkedin_company_website)  
7 employees on LinkedIn®

### [Banx VoIP](https://www.g2.com/products/banx-voip/reviews)

Banx VoIP offers a comprehensive Voice over Internet Protocol service designed to replace traditional landline systems, enabling businesses to make and receive calls over high-speed internet connections. This transition not only reduces costs associated with conventional phone systems but also introduces a suite of advanced features that enhance communication efficiency and flexibility. Banx supports the 2talk platform, ensuring reliability and stability comparable to major telecom providers. Additionally, Banx specializes in the deployment of 3CX and Yeastar Cloud PBX systems, providing scalable and secure solutions tailored to diverse business needs. , [banx.net.nz] Key Features and Functionality: - Advanced Call Routing and Interactive Voice Response : Direct incoming calls to appropriate departments or individuals using customizable menus, improving customer experience and operational efficiency. - Voicemail and Call Recording: Access voicemails for each phone line and utilize call recording for accountability, quality assurance, and training purposes. - Call Redirection and Advanced Routing: Easily reroute calls to voicemail or emergency numbers during holidays or after hours, ensuring continuous business operations. - Multiple Direct-Dial Numbers: Assign up to five direct-dial numbers in the basic plan, allowing employees to have individual extensions for direct customer contact. - Softphone Integration: Replace traditional desk phones with softphone applications on PCs or smartphones, enabling call management from any location and supporting remote work environments. - Unified Communications: Beyond voice calls, Banx VoIP supports audio and video calls, real-time team availability status, video meetings with chat and screen sharing, and instant messaging with file sharing capabilities. - Security and Backup: Features include automatic detection and blacklisting of SIP attack tools, global IP blacklist updates, encrypted traffic via the 3CX Tunnel, and automatic failover for instant backup. Primary Value and Solutions Provided: Banx VoIP addresses the limitations of traditional telephony by offering a cost-effective, feature-rich communication solution that leverages existing internet infrastructure. Businesses benefit from reduced operational costs, enhanced call management capabilities, and the flexibility to support remote work setups. The integration of advanced PBX systems like 3CX and Yeastar Cloud ensures scalability and security, catering to the evolving needs of modern enterprises. By adopting Banx VoIP, organizations can streamline their communication processes, improve customer interactions, and adapt to dynamic business environments with ease. , [banx.net.nz]

#### Who Is the Company Behind Banx VoIP?

- **Seller:** [Banxware](https://www.g2.com/sellers/banxware)
- **Year Founded:** 2020
- **HQ Location:** Berlin, DE
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=ee44471ea6f513390f61e9a46c521baf52a396906f8600ca37f6d99225a34cb5&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Fbanxware%2F&secure%5Burl_type%5D=linkedin_company_website)  
60 employees on LinkedIn®

### [Bitcall](https://www.g2.com/products/bitcall/reviews)

Bitcall is an all-in-one telecom platform for businesses and resellers, built to make global communications simple, scalable, and reliable. We provide high-quality international voice services (SIP trunking, CLI/NCLI, call termination and routing), alongside eSIM, OTP/verification numbers, SMS, and DIDs—all managed from a modern self-service panel. With global coverage, competitive rates, smart traffic management, and 24/7 support, Bitcall helps teams, call centers, and telecom entrepreneurs launch, operate, and grow their communications stack in one place.

#### Who Is the Company Behind Bitcall?

- **Seller:** [Bitcall](https://www.g2.com/sellers/bitcall)
- **HQ Location:** london, GB
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=1e5b5cada8ba606a67c87b532f78b74ab7c8a466a5963b24ad67efe0792eb6a1&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Fbitcall-io%2F&secure%5Burl_type%5D=linkedin_company_website)  
6 employees on LinkedIn®

### [BluIP Cloud UC](https://www.g2.com/products/bluip-cloud-uc/reviews)

Unified Communications as a Service (UCaaS) Delivering enterprise-grade voice, video, messaging, and collaboration Cloud Telephony Products We offer a comprehensive suite of services including Cloud PBX, a feature-rich virtual phone system, SIP Trunking for seamless integration with your existing infrastructure, and direct PSTN calling for both Microsoft Teams and Webex. This powerful combination empowers your teams to collaborate and connect effortlessly, regardless of location or platform. Cloud PBX Enhanced SIP Trunking BluIP Connect with Webex Microsoft Operator Connect Enhanced Cloud Calling for Microsoft Teams WebRTC Console

#### Who Is the Company Behind BluIP Cloud UC?

- **Seller:** [BluIP](https://www.g2.com/sellers/bluip)
- **Year Founded:** 2011
- **HQ Location:** Las Vegas, US
- **Twitter:** @BluIPinc  
556 Twitter followers
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=391a90426d513f67e1a4d03aab2ab917f3e1f3deaa82634ccf609f7e5707cc93&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Fbluip%2F&secure%5Burl_type%5D=linkedin_company_website)  
78 employees on LinkedIn®

### [Business Phone Systems (VoIP)](https://www.g2.com/products/business-phone-systems-voip/reviews)

OFFICErING was created in 2017 after the merging of these two giants of the Industry. The combination assembled the most advanced telecommunication hardware, software, expert and client service within one company.

#### Who Is the Company Behind Business Phone Systems (VoIP)?

- **Seller:** [OFFICErING](https://www.g2.com/sellers/officering)
- **Year Founded:** 2013
- **HQ Location:** Houston, US
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=fa790ccbf086e34197d9f24989fdab2ee7d8331191278dc9759e307aefcd99bd&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Fofficering&secure%5Burl_type%5D=linkedin_company_website)  
13 employees on LinkedIn®

### [BVoIP](https://www.g2.com/products/bvoip/reviews)

bvoip (www.bvoip.com) helps IT and Managed Service Providers attack voice and unified communications worldwide. Having come out of the MSP space, bvoip designed its program to not only automate how MSP’s interact with their existing systems and tools but to also assist MSP’s with an offering to standardize their Unified Communications offering to their customers. bvoip is currently available in North America, Europe, and the Australian / New Zealand Regions.

#### Who Is the Company Behind BVoIP?

- **Seller:** [BVoIP](https://www.g2.com/sellers/bvoip)
- **Year Founded:** 2014
- **HQ Location:** Hatfield, US
- **Twitter:** @bvoipllc  
1,870 Twitter followers
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=8bff56ff98863efe77b53175f1f51e989b14c87d397031378ccf84d3dae1ff36&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Fbvoip&secure%5Burl_type%5D=linkedin_company_website)  
11 employees on LinkedIn®

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Spotlight Categories

[Payroll Software](https://www.g2.com/categories/payroll)

[Employee Engagement Software](https://www.g2.com/categories/employee-engagement)

[Quality Management Systems (QMS)](https://www.g2.com/categories/quality-management-qms)

[Integration Platform as a Service (iPaaS) Solutions](https://www.g2.com/categories/ipaas)

[ETL Tools](https://www.g2.com/categories/etl-tools)

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- [Audio Conferencing](/categories/audio-conferencing)
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- [Calendar](/categories/calendar-software)
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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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