# Best VoIP Providers - Page 20 ## 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** ### Techmode Titanium 3CX Partner | Sapphire Avaya Partner Techmode was founded in 2003 and has been providing businesses the best in business phone systems for over 20 years. From private instance UCaaS to advanced Contact Center solutions, Techmode provides white glove installation and concierge level support to every client. TechmodeGO Collaboration Suite UCaaS Experience seamless collaboration with TechmodeGO’s all-in-one communication platform tailored for your business needs. Contact Center- Techmode offers a variety of Contact Center options to suite any business including Amazon Connect. SMS/MMS Business Texting Single Instance, private, high availability cloud phone systems [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=2026-08-10T01%3A56%3A01Z&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=1810487&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%3D20%26review_source%3Dmktg&secure%5Btoken%5D=d3a99211077cadf0df57f1df0dcd0f8a87e2fed2b971bc731861f33a36e05940&secure%5Burl%5D=https%3A%2F%2Fwww.techmode.com%2Ftechmodego-collaboration-suite%2F%3Futm_source%3DG2%26utm_medium%3DG2%26utm_campaign%3DG2&secure%5Burl_type%5D=custom_url) ### [CaberTel](https://www.g2.com/products/cabertel/reviews) Our business phone service is a PBX hosted in the cloud and utilizes Voice Over Internet Protocol (VoIP) to ensure an exceptionally high quality of service and crystal clear communications. #### Who Is the Company Behind CaberTel? - **Seller:** [CaberTel](https://www.g2.com/sellers/cabertel) - **HQ Location:** Redmond, us - **Twitter:** @cabertelcloud 402 Twitter followers - **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=a59ee07d175f0e5c8a0474983eca83304a571574dc0a7ea478a352f52a25ca07&secure%5Burl%5D=http%3A%2F%2Fwww.linkedin.com%2Fcompany%2Fcabertel&secure%5Burl_type%5D=linkedin_company_website) 1 employees on LinkedIn® ### [CallGear](https://www.g2.com/products/callgear/reviews) CallGear is an online service that shows you where your phone leads come from. **Average Rating:** 5.0/5.0 **Total Reviews:** 2 #### Who Is the Company Behind CallGear? - **Seller:** [Callgear](https://www.g2.com/sellers/callgear) - **Year Founded:** 1999 - **HQ Location:** Dubai, AE - **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=a47df1e79fe097388191f6128c5087a7ac29b1b5786e2a323fc9a3fba8e2cefe&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2F33276968&secure%5Burl_type%5D=linkedin_company_website) 46 employees on LinkedIn® #### Who Uses This Product? - **Company Size:** 50% Large, 50% Small #### What Are Recent G2 Reviews of CallGear? **["Gearup with CallGear"](https://www.g2.com/survey_responses/callgear-review-5434673)** **Rating:** 5.0/5.0 stars _— Tanisha B._ [Read full review](https://www.g2.com/survey_responses/callgear-review-5434673) **["Calling Experience and Ease of Use"](https://www.g2.com/survey_responses/callgear-review-7024498)** **Rating:** 5.0/5.0 stars _— Akash K._ [Read full review](https://www.g2.com/survey_responses/callgear-review-7024498) #### What Are G2 Users Discussing About CallGear? - [What is CallGear used for?](https://www.g2.com/discussions/what-is-callgear-used-for) ### [CallHarbor VoIP](https://www.g2.com/products/callharbor-voip/reviews) CallHarbor provides the 360 approach to communications, with voice, messaging, video, and mobile. CallHarbor is not your average VoIP provider. CallHarbor provides nationwide white glove service, including free onsite installation, free onsite training, and top tier 24/7 Michigan-based customer service and support. Our onboarding process makes it effortless for you to switch over from an existing provider or from aging technology. We provide organizations with VoIP systems that have all the telephony advantages of an enterprise solution, at a manageable price. We always offer the latest technology with robust features including easy to change auto attendants, call recording, mobile app, web softphone, SMS/MMS, voicemail transcription, text-to-speech functionality, and much more. #### Who Is the Company Behind CallHarbor VoIP? - **Seller:** [CallHarbor](https://www.g2.com/sellers/callharbor) - **Year Founded:** 2006 - **HQ Location:** Dearborn, US - **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=e7c7fc7a58c81449e48d8b9b16b5caabb247907a1fbb54f41e08ce3807f94759&secure%5Burl%5D=http%3A%2F%2Fwww.linkedin.com%2Fcompany%2Fcallharbor&secure%5Burl_type%5D=linkedin_company_website) 13 employees on LinkedIn® ### [CallSwitch One](https://www.g2.com/products/callswitch-one/reviews) ------------------- #### Who Is the Company Behind CallSwitch One? - **Seller:** [Nebula Cloud](https://www.g2.com/sellers/nebula-cloud-2026-07-18) - **Year Founded:** 2015 - **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=22a008617e0f98520f1fe06a911012cd62a7cbd0bf143f1ddcc5ca0df07f431c&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Fnebulacloudltd&secure%5Burl_type%5D=linkedin_company_website) 58 employees on LinkedIn® #### Who Uses This Product? - **Company Size:** 100% Medium ### [Calltuv](https://www.g2.com/products/calltuv/reviews) CallTuv.com is a type of browser-based softphone (VoIP) and international calling solution that helps users place outbound calls to landline and mobile phone numbers worldwide using prepaid, pay-as-you-go credits. It is intended for individuals and organizations that need to reach standard telephone numbers from a web browser rather than only app-to-app calling. Typical audiences include remote and distributed teams, customer-facing business functions (sales and support), travelers, and people who regularly call internationally. The product centers on a web dialer workflow: a user creates an account, adds calling credit, and dials international numbers directly in the browser. CallTuv is positioned around international coverage and destination-based pricing, with per-minute rates that vary by country and number type. It also describes collaboration features for multi-user workspaces, which can be relevant for small businesses and teams that want shared calling resources and visibility. Browser-based outbound calling: place calls from a desktop or mobile browser without installing a dedicated app, targeting both landlines and mobile numbers. Pay-as-you-go credit model: prepaid credits are used for calling, with charges deducted based on time spent on calls and billed per minute according to stated billing rules. International reach and rate lookup: supports calling across many countries and provides destination-based pricing so users can estimate costs before dialing. Team and workspace features: supports inviting teammates, sharing contacts, using pooled balances, and providing administrators with shared call visibility/logs for a workspace. Security and usage constraints: the service describes encrypted calling and includes policy constraints such as not using the service for emergency calling; it also references call recording only where legally permitted. Common use cases include making international personal calls when mobile roaming or carrier international plans are costly, enabling outbound calling for globally distributed sales or support teams, and placing calls from shared or temporary devices where installing software is undesirable. #### Who Is the Company Behind Calltuv? - **Seller:** [Calltuv](https://www.g2.com/sellers/calltuv) - **Year Founded:** 2025 - **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=a3e58b99bf69e31ba8b885f911efd8fc4414ccb9ab80bb2ddb5f3eb88ffc9786&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Fcalltuv%2F&secure%5Burl_type%5D=linkedin_company_website) 1 employees on LinkedIn® ### [Carusto IP-PBX](https://www.g2.com/products/carusto-ip-pbx/reviews) Carusto offers professional software solutions for telecommunication tasks. Our software solutions allow you to automate business processes quickly and efficiently, to improve service quality and reduce costs. #### Who Is the Company Behind Carusto IP-PBX? - **Seller:** [Carusto](https://www.g2.com/sellers/carusto) - **Year Founded:** 2009 - **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=8a63f5f34f3429f50f49e23c5dfe977bcc7e564038c0b54eec1f01a5e15177c9&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Fcarusto&secure%5Burl_type%5D=linkedin_company_website) 2 employees on LinkedIn® ### [Cebod Telecom](https://www.g2.com/products/cebod-telecom/reviews) Cebod Telecom provides cloud-based telephony solutions to all types of businesses, small or large. #### Who Is the Company Behind Cebod Telecom? - **Seller:** [Cebod Telecom](https://www.g2.com/sellers/cebod-telecom) - **Year Founded:** 2015 - **HQ Location:** Tustin, US - **Twitter:** @CebodT 131 Twitter followers - **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=7c4cfb20fd46a2d9690906c3d96fcae3548c3bd913bad87e9f9f11eb04b1012a&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Fcebodtelecom&secure%5Burl_type%5D=linkedin_company_website) 16 employees on LinkedIn® ### [Celerity Telecom](https://www.g2.com/products/celerity-telecom/reviews) Celerity Telecom offers two cloud-based auto dialer platforms to meet user needs. Managerial training and support provided for every platform. #### Who Is the Company Behind Celerity Telecom? - **Seller:** [Celerity Telecom](https://www.g2.com/sellers/celerity-telecom) - **Year Founded:** 2011 - **HQ Location:** Hollywood, US - **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=658d4069919eac7a4be1d46bd09d8929949cda6422fbf446f41140e8e7630126&secure%5Burl%5D=http%3A%2F%2Fwww.linkedin.com%2Fcompany%2Fcelerity-telecom&secure%5Burl_type%5D=linkedin_company_website) 12 employees on LinkedIn® ### [Clarity Business VoIP](https://www.g2.com/products/clarity-business-voip/reviews) Clarity has a cloud based solution that is ideal for your business. Clarity guarantees to provide customized business solutions with exceptional customer service and support. #### Who Is the Company Behind Clarity Business VoIP? - **Seller:** [Clarity Telecom](https://www.g2.com/sellers/clarity-telecom) - **Year Founded:** 2001 - **HQ Location:** Lawrenceville, US - **Twitter:** @claritytel 44 Twitter followers - **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=5236affe403cd58b5dd0364772600e77fad33e4f674a5b94309ed821688e9e15&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Fclarity-telemanagement&secure%5Burl_type%5D=linkedin_company_website) 5 employees on LinkedIn® ### [Cloud Based VoIP PBX](https://www.g2.com/products/cloud-based-voip-pbx/reviews) Cloud Vision Technologies is a provider of integrated communication suites for small and medium businesses. Our communication suite includes voice, SMS, messaging, internet faxing, conference bridging, and more. We provide a unified communication experience with excellent Quality of Service (QoS), to help you succeed. What differentiates our services from others is our end-to-end knowledge of network infrastructure and data networks. For example, we do not ship you pre-configured phones and leave you on your own. Also, we help and assist you all the way, from cabling, network infrastructure adjustment and QoS. #### Who Is the Company Behind Cloud Based VoIP PBX? - **Seller:** [Cloud Vision Technologies](https://www.g2.com/sellers/cloud-vision-technologies) - **Year Founded:** 2017 - **HQ Location:** East Brunswick, US - **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=73cc499edeb944fd05683aff9db6748c85c5d017daf25602c33474f32e7a50ea&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Fcloudvisiontechnologies%2F&secure%5Burl_type%5D=linkedin_company_website) 12 employees on LinkedIn® ### [Cloudli TalkNText](https://www.g2.com/products/cloudli-talkntext/reviews) Cloudli Communications delivers feature-rich communications solutions to businesses of all types and sizes, with a track record that spans decades. Cloudli's solutions include TalkNText, a unified voice and Business Texting app designed for micro-SMBs and franchises; Cloudli Connect, a work-from-anywhere unified communications solution with innovative features and flexible service-based pricing; VoIP connectivity solutions optimized for businesses of any size; and highly reliable, highly secure IP fax solutions that leverage new and proprietary technologies without disrupting trusted and established workflows. Serving over 7,000 customers in the United States and Canada, Cloudli helps businesses across North America better communicate with their customers – how, where and when they want – without compromising security, reliability and efficiency. #### Who Is the Company Behind Cloudli TalkNText? - **Seller:** [Cloudli Communications](https://www.g2.com/sellers/cloudli-communications) - **Year Founded:** 1995 - **HQ Location:** Montreal, CA - **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=16c055b5f499d1ebdaae7fdcbbd19944a5452cee86e4218be9155e7db627d4f3&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Fcloudli&secure%5Burl_type%5D=linkedin_company_website) 71 employees on LinkedIn® ### [Coeo](https://www.g2.com/products/coeo/reviews) Cloud PBX is an internet-based phone system. Traditional legacy systems require hardware and installation, must run on site and come with significant management and maintenance challenges, as well as increased costs. #### Who Is the Company Behind Coeo? - **Seller:** [Coeo Solutions](https://www.g2.com/sellers/coeo-solutions) - **Year Founded:** 2014 - **HQ Location:** Downers Grove, US - **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=0e004350cf3f78b908d695a4cdcd2b38d02ee0f34f3dfe8211dc5e91acaf4e07&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Fcoeo-solutions-llc&secure%5Burl_type%5D=linkedin_company_website) 33 employees on LinkedIn® ### [Comza](https://www.g2.com/products/comza/reviews) Comza is a simple and convenient way to make international calls directly from your web browser no apps, no downloads, and no complicated setup required. With #### Who Is the Company Behind Comza? - **Seller:** [Comza](https://www.g2.com/sellers/comza) - **HQ Location:** Mexico City, MX - **LinkedIn® Page:** [linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=019452095c25cafccc9f27d6d6b63adf689f93ce336add624d7e44751b272852&secure%5Burl%5D=https%3A%2F%2Flinkedin.com%2Fcompany%2Fcomza%2F&secure%5Burl_type%5D=linkedin_company_website) 7 employees on LinkedIn® ### [Continent Telecom Virtual IP PBX](https://www.g2.com/products/continent-telecom-virtual-ip-pbx/reviews) Virtual local phone number (also called voip did number) is like a usual telephone number. It is a service to forward incoming calls. The incoming calls to virtual number are automatically forwarded to another landline or cell phone number of that city or country which the client chooses. #### Who Is the Company Behind Continent Telecom Virtual IP PBX? - **Seller:** [Continent Telecom](https://www.g2.com/sellers/continent-telecom) - **Year Founded:** 2009 - **HQ Location:** Warsaw, PL - **Twitter:** @continenttel 24 Twitter followers - **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=021086852265deab1fabddd076effb0e3298711213b4ea38abb5c99f8d459b87&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2F11481091&secure%5Burl_type%5D=linkedin_company_website) 2 employees on LinkedIn® ### [CoreNexa](https://www.g2.com/products/corenexa/reviews) CoreDial is a leading white label SaaS provider that empowers more than 500 channel partners to provide cloud communications to more than 20,000 businesses in the United States. CoreDial’s revolutionary SaaS platform, SwitchConnex, enables the channel to quickly and cost effectively sell, deliver, manage and invoice for reliable, private label cloud communication services, including hosted PBX solutions, VoIP, SIP trunking and unified communications. With no hardware or software to buy, CoreDial’s channel partners – MSPs, VARs and IT solution providers – deliver valuable end-user solutions while generating recurring revenue with margins well above industry averages and building value in their personal brand. **Average Rating:** 2.5/5.0 **Total Reviews:** 1 #### How Do G2 Users Rate CoreNexa? - **Has the product been a good partner in doing business?:** 8.3/10 (Category avg: 8.8/10) - **Phone Calls:** 6.7/10 (Category avg: 9.1/10) - **VOiP Number:** 6.7/10 (Category avg: 9.0/10) - **Desk-to-Desk Calls:** 5.0/10 (Category avg: 8.6/10) #### Who Is the Company Behind CoreNexa? - **Seller:** [CoreDial](https://www.g2.com/sellers/coredial) - **HQ Location:** Blue Bell, PA - **Twitter:** @coredial 2,548 Twitter followers - **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=1ec728c58c1cc490a71a5162113bd37f31bcb606891e46fde41b42d859c75176&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Fbecordial%2F&secure%5Burl_type%5D=linkedin_company_website) 1 employees on LinkedIn® #### Who Uses This Product? - **Company Size:** 100% Small #### What Are Recent G2 Reviews of CoreNexa? **["Great whitelabel product for MSP's."](https://www.g2.com/survey_responses/corenexa-review-2428614)** **Rating:** 4.0/5.0 stars _— Verified User in Information Technology and Services_ [Read full review](https://www.g2.com/survey_responses/corenexa-review-2428614) #### What Are G2 Users Discussing About CoreNexa? - [What is CoreNexa used for?](https://www.g2.com/discussions/what-is-corenexa-used-for) - [‹ Prev‹ Prev](/categories/voip-providers?open_modal_url=%2Fproducts%2Fcommpeak%2Fwishlists%3Fhost_path%3D%252Fcategories%252Fvoip-providers%26source%3Dcategory&order=g2_score&page=19#product-list) - [1](/categories/voip-providers?open_modal_url=%2Fproducts%2Fcommpeak%2Fwishlists%3Fhost_path%3D%252Fcategories%252Fvoip-providers%26source%3Dcategory&order=g2_score#product-list) - [2](/categories/voip-providers?open_modal_url=%2Fproducts%2Fcommpeak%2Fwishlists%3Fhost_path%3D%252Fcategories%252Fvoip-providers%26source%3Dcategory&order=g2_score&page=2#product-list) - … - [16](/categories/voip-providers?open_modal_url=%2Fproducts%2Fcommpeak%2Fwishlists%3Fhost_path%3D%252Fcategories%252Fvoip-providers%26source%3Dcategory&order=g2_score&page=16#product-list) - [17](/categories/voip-providers?open_modal_url=%2Fproducts%2Fcommpeak%2Fwishlists%3Fhost_path%3D%252Fcategories%252Fvoip-providers%26source%3Dcategory&order=g2_score&page=17#product-list) - [18](/categories/voip-providers?open_modal_url=%2Fproducts%2Fcommpeak%2Fwishlists%3Fhost_path%3D%252Fcategories%252Fvoip-providers%26source%3Dcategory&order=g2_score&page=18#product-list) - [19](/categories/voip-providers?open_modal_url=%2Fproducts%2Fcommpeak%2Fwishlists%3Fhost_path%3D%252Fcategories%252Fvoip-providers%26source%3Dcategory&order=g2_score&page=19#product-list) - 20 - [21](/categories/voip-providers?open_modal_url=%2Fproducts%2Fcommpeak%2Fwishlists%3Fhost_path%3D%252Fcategories%252Fvoip-providers%26source%3Dcategory&order=g2_score&page=21#product-list) - [22](/categories/voip-providers?open_modal_url=%2Fproducts%2Fcommpeak%2Fwishlists%3Fhost_path%3D%252Fcategories%252Fvoip-providers%26source%3Dcategory&order=g2_score&page=22#product-list) - 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[Team Collaboration](/categories/team-collaboration) - [Other Collaboration](/categories/other-collaboration) - [Agentic AI Browser](/categories/agentic-ai-browser) - [AI Meeting Assistants](/categories/ai-meeting-assistants) - [AI Presentation Tools](/categories/ai-presentation-tools) - [Audio Conferencing](/categories/audio-conferencing) - [Board Management](/categories/board-management) - [Bookmark Manager](/categories/bookmark-manager) - [Browser](/categories/browsers) - [Business Scheduling](/categories/business-scheduling) - [Calendar](/categories/calendar-software) - [Cloud PBX Platforms](/categories/cloud-pbx-platforms) - [Collaborative Research Writing Tools](/categories/collaborative-research-writing-tools) - [Decision-Making](/categories/decision-making) - [Digital Adoption Platform](/categories/digital-adoption-platform) [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. Show More