# Best VoIP Providers - Page 15

## 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**

### Apollo.io

Apollo.io is an AI-powered go-to-market (GTM) platform that helps revenue teams find, engage, and manage B2B buyers across the entire sales cycle. Apollo.io is the company behind the industry’s first fully agentic GTM platform, transforming how revenue teams execute. Going beyond automation, Apollo’s intelligent agents actively drive results across the entire sales funnel – from prospecting to deal management – all in one place. Trusted by millions of users and hundreds of thousands of companies – including Anthropic, Autodesk, and Docusign – Apollo is making world-class go-to-market simple, intelligent, and accessible for all. Apollo serves sales development representatives, account executives, sales leaders, revenue operations, and marketing teams at B2B organizations of various sizes. Teams use Apollo to build and maintain target account lists, orchestrate outbound and inbound motions, manage opportunities, and understand which activities lead to qualified pipeline and closed revenue. Key capabilities include: Data and targeting: Access to a large B2B database with company and contact details, including firmographic, technographic, and buyer signal data, so users can define ideal customer profiles and create precise segments for outreach. Prospecting and enrichment: Tools to search, filter, and save prospect lists, plus enrichment workflows that keep contact and account records up to date in Apollo and connected systems such as CRM. Sales engagement: Multi-step, multi-channel sequences for email, calls, and tasks that standardize how reps follow up with prospects, with controls for timing, throttling, and deliverability. Agentic and AI-assisted workflows: Intelligent agents and AI features that help with account research, lead scoring, message generation, and next-step recommendations so reps can prioritize and personalize at scale. Deal and activity management: Basic CRM-style functionality for tracking opportunities, stages, activities, and notes, giving teams a single view of pipeline health and sales performance. By combining data, engagement, and deal execution in one platform, Apollo is designed to reduce the number of disconnected tools in a typical GTM stack and provide a consistent workflow for building pipeline and managing deals. This helps organizations improve data quality, increase seller productivity, and run more structured, measurable go-to-market programs.

[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=2026-08-08T18%3A16%3A16Z&secure%5Bdisplayable_resource_id%5D=628&secure%5Bdisplayable_resource_type%5D=Category&secure%5Bmedium%5D=sponsored&secure%5Bplacement_reason%5D=retargeted_product&secure%5Bplacement_resource_ids%5D%5B%5D=19743&secure%5Bprioritized%5D=false&secure%5Bproduct_id%5D=19743&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%3D15%26review_source%3Dmktg&secure%5Btoken%5D=c0670797b033d9a2fe39f98e98d22bec78d98825539f79bba7f81f755f5fa330&secure%5Burl%5D=https%3A%2F%2Fwww.apollo.io%2Fdemo%3Futm_source%3Dg2%26utm_medium%3Dcpc%26utm_campaign%3DG2Clicks%26utm_content%3Dtopic%26utm_term%3Doutboundcalltracking&secure%5Burl_type%5D=custom_url)

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

DiFlex is a web CATI survey application, making a phone research process two times faster and cheaper. It will turns any browser into an outbound call center in minutes, where the operator will be able to call, fill out a questionnaire and track the results. ✅ Fast & cost efficient call center Software ✅ Purpose designed for easy way conducting simple or complex telephone research (CATI) ✅ No software installation and training ✅ All functions integrated in one window ✅ Two-way integration for transforming online survey into Professional CATI surveys ✅ Unique quota management tool

**Average Rating:** 5.0/5.0

**Total Reviews:** 1

#### Who Is the Company Behind DiFlex?

- **Seller:** [DiFlex](https://www.g2.com/sellers/diflex)
- **Year Founded:** 2021
- **HQ Location:** Tbilisi, GE
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=5c449948468b6ca370c144298a3078b13f3ad325c463d26eab4f05316776e16f&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Fdiflex-global&secure%5Burl_type%5D=linkedin_company_website)  
5 employees on LinkedIn®

#### Who Uses This Product?

- **Company Size:** 50% Medium, 50% Small

#### What Are Recent G2 Reviews of DiFlex?

**["The best phone research solution for ISR"](https://www.g2.com/survey_responses/diflex-review-7852899)**

**Rating:** 5.0/5.0 stars

_— Shorena T._

[Read full review](https://www.g2.com/survey_responses/diflex-review-7852899)

**["DIFLEX helped us make organised telephone research"](https://www.g2.com/survey_responses/diflex-review-7853074)**

**Rating:** 4.5/5.0 stars

_— Tatiana Z._

[Read full review](https://www.g2.com/survey_responses/diflex-review-7853074)

### [Digital phone calls platform](https://www.g2.com/products/digital-phone-calls-platform/reviews)

PicUP's technology enables enterprises to personalize and optimize customers' incoming call screens for telesales, service calls, technician visits, and other outbound calls. Customers see exactly who is calling, and why, with a beautiful visual personalized message (call back, business offer etc.). Customers can also authenticate the caller, postpone the call, confirm appointments, or convert from call to digital chat. PicUP provides a transparent, personalized, safe and rich experience that increases sales by an average of 48%, reduces operational costs, enhances branding over phone calls, and more. We are active on +25M users and working with companies like Vodafone, TIM, Claro, AMEX and many more.

**Average Rating:** 5.0/5.0

**Total Reviews:** 1

#### How Do G2 Users Rate Digital phone calls platform?

- **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 Digital phone calls platform?

- **Seller:** [PicUP](https://www.g2.com/sellers/picup-a288d392-b079-4400-bedc-8eb19d7e5033)
- **Year Founded:** 2018
- **HQ Location:** Tel Aviv-Yafo, IL
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=95c96f98a8d28d80f5a9233f0e94b5b3d9508056d58e7e543cf0bd426a4d453c&secure%5Burl%5D=http%3A%2F%2Fwww.linkedin.com%2Fcompany%2Fpicup-mobile&secure%5Burl_type%5D=linkedin_company_website)  
15 employees on LinkedIn®

#### Who Uses This Product?

- **Company Size:** 100% Medium

#### What Do G2 Reviewers Say About Digital phone calls platform?

_AI-generated summary from verified user reviews_

##### Pros

- Users value the **ability to make international calls** easily and affordably with the VoIP service.

#### What Are Recent G2 Reviews of Digital phone calls platform?

**["Best for digital international calls"](https://www.g2.com/survey_responses/digital-phone-calls-platform-review-10731987)**

**Rating:** 5.0/5.0 stars

_— Rushikesh S._

[Read full review](https://www.g2.com/survey_responses/digital-phone-calls-platform-review-10731987)

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

EcoLink is an omnichannel cloud integration platform for VoIP phone systems and agency management systems that enables insurance and financial agencies to streamline business communications, boost agent productivity, strengthen client relationships, and increase ROI.

**Average Rating:** 5.0/5.0

**Total Reviews:** 1

#### How Do G2 Users Rate EcoLink?

- **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 EcoLink?

- **Seller:** [Inteveo](https://www.g2.com/sellers/inteveo)
- **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=9b0868a8098a4bd8635df99d1dd7de33ff051d2c4ce2ecdd7551a7e857fcfcd3&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Finteveo%2F&secure%5Burl_type%5D=linkedin_company_website)  
1 employees on LinkedIn®

#### Who Uses This Product?

- **Company Size:** 100% Small

#### What Do G2 Reviewers Say About EcoLink?

_AI-generated summary from verified user reviews_

##### Pros

- Users appreciate the **chat feature** of EcoLink for facilitating seamless communication from anywhere.
- Users appreciate the **easy access** EcoLink provides, enabling seamless connectivity and business operations from anywhere.
- Users appreciate the **user-friendly interface** of EcoLink, enhancing ease of use across various platforms.
- Users appreciate the **video conferencing capabilities** of EcoLink, enabling seamless communication and collaboration from anywhere.
- Users value the **ease of access** with EcoLink's VoIP services, enhancing communication and business operations anywhere.

##### Cons

- Users note a **lack of intuitiveness** in EcoLink, suggesting that the UI needs significant improvement for better usability.
- Users experience **performance issues** , with occasional lag affecting the overall usability of EcoLink.

#### What Are Recent G2 Reviews of EcoLink?

**["Ecolink Review"](https://www.g2.com/survey_responses/ecolink-review-9336541)**

**Rating:** 5.0/5.0 stars

_— Rajeswari P._

[Read full review](https://www.g2.com/survey_responses/ecolink-review-9336541)

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

eTollFree is Tier-1 World Wide VoIP Provider. Provide superior local and toll-free numbers for individuals, or call center solutions for large Fortune 500 companies

**Total Reviews:** 1

#### How Do G2 Users Rate eTollFree?

- **Has the product been a good partner in doing business?:** 3.3/10 (Category avg: 8.8/10)

#### Who Is the Company Behind eTollFree?

- **Seller:** [eTollFree](https://www.g2.com/sellers/etollfree)
- **HQ Location:** Fort Worth, US
- **Twitter:** @etollfree  
22 Twitter followers
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=58c856e42b297632d66ea21ecf85f0b84630e44692942a43c2e6d18452bc7ce8&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Fetollfree%2F&secure%5Burl_type%5D=linkedin_company_website)  
1 employees on LinkedIn®

#### Who Uses This Product?

- **Company Size:** 100% Small

#### What Are G2 Users Discussing About eTollFree?

- [What is eTollFree used for?](https://www.g2.com/discussions/what-is-etollfree-used-for)

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

Freeje is a mobile app solution designed to provide various communication services for all personal and business needs. It is designed to meet the growing demands for location- independent business and personal communications. This is highly needed in industries like call centers, logistics services, remote offices, and many more. With over 100 locations of virtual numbers available around the globe, virtual fax capabilities, and other similar capabilities and features; Freeje is beginning to change the standards of global communication and connectivity. With the app, logistic managers, marketers, and call center account managers, and remote team heads can efficiently communicate with the team without the challenges of geographical difference. Moreover, businesses can now operate in many countries around the globe, even remote areas, without the burden of high costs and international rates. Freeje brings businesses and people closer together.

**Average Rating:** 2.5/5.0

**Total Reviews:** 1

#### Who Is the Company Behind Freeje?

- **Seller:** [Beta Company sp.z o.o](https://www.g2.com/sellers/beta-company-sp-z-o-o)
- **Year Founded:** 2010
- **HQ Location:** Warszawa, PL
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=0efb7ce7e6f0abe075ccd3f3aa8ce4a3b282e1eba587f0360b5dba223c999468&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Ffreeje%2F&secure%5Burl_type%5D=linkedin_company_website)  
4 employees on LinkedIn®

#### Who Uses This Product?

- **Company Size:** 100% Small

### [Impact Telecom](https://www.g2.com/products/impact-telecom/reviews)

ImpacTech is where innovation meets business and great things happen because great people come together.

**Average Rating:** 5.0/5.0

**Total Reviews:** 1

#### How Do G2 Users Rate Impact Telecom?

- **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 Impact Telecom?

- **Seller:** [Impactech](https://www.g2.com/sellers/impactech)
- **Year Founded:** 2017
- **HQ Location:** Limassol, CY
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=93763cee4598bbdb87f6800553f5648124ec545bcd4968aa35b4dae72d1937d2&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Fimpactechs-ltd&secure%5Burl_type%5D=linkedin_company_website)  
8 employees on LinkedIn®

#### Who Uses This Product?

- **Company Size:** 100% Medium

#### What Are Recent G2 Reviews of Impact Telecom?

**["Best Rates given with tier 1 carriers. "](https://www.g2.com/survey_responses/impact-telecom-review-928427)**

**Rating:** 5.0/5.0 stars

_— Verified User in Financial Services_

[Read full review](https://www.g2.com/survey_responses/impact-telecom-review-928427)

#### What Are G2 Users Discussing About Impact Telecom?

- [What is Impact Telecom used for?](https://www.g2.com/discussions/what-is-impact-telecom-used-for)

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

IPFone with Cisco Webex (UCaaS) is an all-in-one team collaboration solution that seamlessly integrates calling, messaging, video conferencing, and more with Webex capabilities. This powerful partnership allows your organization to streamline work, enhance productivity, and achieve results faster.

**Average Rating:** 5.0/5.0

**Total Reviews:** 2

#### How Do G2 Users Rate Ipfone?

- **Has the product been a good partner in doing business?:** 10.0/10 (Category avg: 8.8/10)

#### Who Is the Company Behind Ipfone?

- **Seller:** [IPFone](https://www.g2.com/sellers/ipfone)
- **Year Founded:** 1997
- **HQ Location:** North Miami, US
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=70d84b59059c6195e75b503f205566880daef1e9d5564e802185dd88a832f370&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Fipfone&secure%5Burl_type%5D=linkedin_company_website)  
101 employees on LinkedIn®

#### Who Uses This Product?

- **Company Size:** 50% Medium, 50% Small

#### What Are Recent G2 Reviews of Ipfone?

**["IPFone Service & Support is Top Notch!"](https://www.g2.com/survey_responses/ipfone-review-6663208)**

**Rating:** 5.0/5.0 stars

_— Pam C._

[Read full review](https://www.g2.com/survey_responses/ipfone-review-6663208)

**["Fast reliable service from IPFone"](https://www.g2.com/survey_responses/ipfone-review-8004075)**

**Rating:** 5.0/5.0 stars

_— Brandon F._

[Read full review](https://www.g2.com/survey_responses/ipfone-review-8004075)

#### What Are G2 Users Discussing About Ipfone?

- [What is Ipfone used for?](https://www.g2.com/discussions/ipfone-what-is-ipfone-used-for)
- [What is Ipfone used for?](https://www.g2.com/discussions/what-is-ipfone-used-for)

### [JioCX EasyPhone](https://www.g2.com/products/jiocx-easyphone/reviews)

JioCX EasyPhone is a cloud-based business phone system offering an app with EasyPhone number, shared customer records, in-app calling, a built-in CRM, and a web-based dashboard.

**Average Rating:** 5.0/5.0

**Total Reviews:** 1

#### How Do G2 Users Rate JioCX EasyPhone?

- **Phone Calls:** 10.0/10 (Category avg: 9.1/10)
- **VOiP Number:** 10.0/10 (Category avg: 9.0/10)

#### Who Is the Company Behind JioCX EasyPhone?

- **Seller:** [Jio Things](https://www.g2.com/sellers/jio-things)
- **HQ Location:** Navi Mumbai, IN
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=45d342630998d4348fd35bd4bab97c85882fea142642421c284c23f7a5de134c&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Fjiothings%2F&secure%5Burl_type%5D=linkedin_company_website)  
65 employees on LinkedIn®

#### Who Uses This Product?

- **Company Size:** 100% Large

#### What Are Recent G2 Reviews of JioCX EasyPhone?

**["One Number to Manage Calls, Track Customers, and Record Everything in One Place"](https://www.g2.com/survey_responses/jiocx-easyphone-review-12504485)**

**Rating:** 5.0/5.0 stars

_— Shubham P._

[Read full review](https://www.g2.com/survey_responses/jiocx-easyphone-review-12504485)

### [Kasookoo](https://www.g2.com/products/kasookoo-kasookoo/reviews)

Kasookoo is a business phone system in an app. It offers all the functionality of a phone system, but in a portable app that sits on your smartphones, allowing you stay connected on the go. Choose from a wide variety of virtual phone numbers, and configure the app to route calls to the right member of the team. Keep you team connected whether they are in the same location, or spread across the world, with no additional costs. Save your business up to 75% on phone bills by avoid expensive business phone systems, and removing the need for business mobiles.

**Average Rating:** 4.5/5.0

**Total Reviews:** 1

#### Who Is the Company Behind Kasookoo?

- **Seller:** [Kasookoo](https://www.g2.com/sellers/kasookoo)
- **Year Founded:** 2018
- **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=96b941bd1b16a55c8f3eabb35543b47e6d74c4b2e653464bc7c0f6d6aafcfefd&secure%5Burl%5D=http%3A%2F%2Fwww.linkedin.com%2Fcompany%2Fkasookoo&secure%5Burl_type%5D=linkedin_company_website)  
8 employees on LinkedIn®

#### Who Uses This Product?

- **Company Size:** 100% Small

#### What Are Recent G2 Reviews of Kasookoo?

**["great online phone system"](https://www.g2.com/survey_responses/kasookoo-review-8740785)**

**Rating:** 4.5/5.0 stars

_— Verified User in Marketing and Advertising_

[Read full review](https://www.g2.com/survey_responses/kasookoo-review-8740785)

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

Lingo is a provider of phone services for home and small businesses in the U.S.

**Average Rating:** 4.0/5.0

**Total Reviews:** 1

#### Who Is the Company Behind Lingo?

- **Seller:** [Lingo](https://www.g2.com/sellers/lingo)
- **Year Founded:** 2005
- **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=78c56c633b63d5284c60ffad36917c900c7e5f973905c63e4e2316c01f07fc1e&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Flingo-bullseye%2F&secure%5Burl_type%5D=linkedin_company_website)  
281 employees on LinkedIn®

#### Who Uses This Product?

- **Company Size:** 100% Small

#### What Are Recent G2 Reviews of Lingo?

**["Platform used for invoicing"](https://www.g2.com/survey_responses/lingo-review-7838521)**

**Rating:** 4.0/5.0 stars

_— rebecca l._

[Read full review](https://www.g2.com/survey_responses/lingo-review-7838521)

### [Net Dial Tone (NDT)](https://www.g2.com/products/net-dial-tone-ndt/reviews)

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: 9.1/10)
- **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 Net Dial Tone (NDT)?

- **Seller:** [London Computer Systems (LCS)](https://www.g2.com/sellers/london-computer-systems-lcs)
- **Year Founded:** 1987
- **HQ Location:** Cincinnati, OH
- **Twitter:** @RentManager  
1,582 Twitter followers
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=edb6401e0b32ef8a608f33a32f2ebe505e352217b61e718675e9df1f3f391c92&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2F875169%2F&secure%5Burl_type%5D=linkedin_company_website)  
556 employees on LinkedIn®

#### 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 value the **quick installation options** of Net Dial Tone, making VoIP accessible for small businesses effortlessly.
- Users find the **quick setup** of Net Dial Tone to be beneficial for fast VoIP integration without IT hassles.
- Users value the **ease of installation** of Net Dial Tone, quickly reaping the benefits of VoIP without IT hassles.

##### Cons

- Users feel that Net Dial Tone has **limited features** compared to other VoIP solutions, lacking advanced options.

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

**["Passable if VoIP is needed"](https://www.g2.com/survey_responses/net-dial-tone-ndt-review-9829159)**

**Rating:** 4.5/5.0 stars

_— Orkhan B._

[Read full review](https://www.g2.com/survey_responses/net-dial-tone-ndt-review-9829159)

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

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](https://www.g2.com/sellers/pascom)
- **Year Founded:** 1997
- **HQ Location:** Deggendorf, DE
- **Twitter:** @pascom\_net  
1,254 Twitter followers
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=1548e1a8cb8c191f00dcd0655c0e44a6aabe8a58ac2390dc26053d8f35527b1a&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Fpascom-net&secure%5Burl_type%5D=linkedin_company_website)  
25 employees on LinkedIn®

#### Who Uses This Product?

- **Company Size:** 100% Medium

#### What Are Recent G2 Reviews of pascom?

**["Best cloud phone system for business"](https://www.g2.com/survey_responses/pascom-review-7414528)**

**Rating:** 4.5/5.0 stars

_— Ankit K._

[Read full review](https://www.g2.com/survey_responses/pascom-review-7414528)

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

Cloud Unified Communications Platform

**Average Rating:** 3.0/5.0

**Total Reviews:** 1

#### How Do G2 Users Rate PBXflex?

- **Phone Calls:** 8.3/10 (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 PBXflex?

- **Seller:** [PBXflex](https://www.g2.com/sellers/pbxflex)
- **HQ Location:** Los Angeles, US
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=9d968383dba1144cd3b6d41bf2c5260068f661eb821ab7113762519f1e8c5912&secure%5Burl%5D=http%3A%2F%2Fwww.linkedin.com%2Fcompany%2Fpbxflex&secure%5Burl_type%5D=linkedin_company_website)  
1 employees on LinkedIn®

#### Who Uses This Product?

- **Company Size:** 100% Medium

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

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](https://www.g2.com/sellers/pbx-im)
- **Year Founded:** 2004
- **HQ Location:** Tampa, US
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=948230c06c399f61ac5a1f56a867b2278011f0473389c8d0fcf699336b12344a&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Fpbx-cloud&secure%5Burl_type%5D=linkedin_company_website)  
3 employees on LinkedIn®

#### Who Uses This Product?

- **Company Size:** 100% Small

#### What Are Recent G2 Reviews of PBX.IM?

**["Excellent Customer Service from a Great Company"](https://www.g2.com/survey_responses/pbx-im-review-12887515)**

**Rating:** 4.0/5.0 stars

_— Verified User in Legal Services_

[Read full review](https://www.g2.com/survey_responses/pbx-im-review-12887515)

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

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?

- **Seller:** [Phonebooth](https://www.g2.com/sellers/phonebooth)
- **Year Founded:** 2012
- **HQ Location:** Raleigh, US
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=b5dcf4fec914048a5ac3e855d523d37b884574c4e0000831e75cc50cfde7b0b6&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Fusipcom&secure%5Burl_type%5D=linkedin_company_website)  
14 employees on LinkedIn®

#### Who Uses This Product?

- **Company Size:** 100% Small

#### What Are Recent G2 Reviews of Phonebooth?

**["So Easy to Use"](https://www.g2.com/survey_responses/phonebooth-review-4812996)**

**Rating:** 4.5/5.0 stars

_— Allison M._

[Read full review](https://www.g2.com/survey_responses/phonebooth-review-4812996)

#### What Are G2 Users Discussing About Phonebooth?

- [What is Phonebooth used for?](https://www.g2.com/discussions/what-is-phonebooth-used-for)

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 ![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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