Best VoIP Providers - Page 22

How Many VoIP Providers Products Does G2 Track?

Total Products under this Category: 566

Category Stats (Nov 2026)

  • Average Rating: 4.4/5 (↑0.01 vs Oct 2026) The average rating of products in this category, based on all submitted ratings
  • Top Trending Product: VoiceStack (+10.92%) - Among all products in this category, VoiceStack recorded the largest rating increase compared to last month

Last updated: November 01, 2026

How Does G2 Rank VoIP Providers Products?

Why You Can Trust G2's Software Rankings:

  • 30 Analysts and Data Experts
  • 85,000+ Authentic Reviews
  • 566+ Products
  • Unbiased Rankings

G2's software rankings are built on verified user reviews, rigorous moderation, and a consistent research methodology maintained by a team of analysts and data experts. Each product is measured using the same transparent criteria, with no paid placement or vendor influence. While reviews reflect real user experiences, which can be subjective, they offer valuable insight into how software performs in the hands of professionals. Together, these inputs power the G2 Score, a standardized way to compare tools within every category.

G2 Grid® for VoIP Providers

G2 Grid® for VoIP Providers plotting products by satisfaction and market presence

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

Underlying data: [Grid® JSON](https://www.g2.com/categories/voip-providers/grids.json?focus%5B%5D=ringex&focus%5B%5D=nextiva&focus%5B%5D=quo-quo&focus%5B%5D=zoom-zoom-phone&focus%5B%5D=dialpad-connect&focus%5B%5D=cisco-webex-suite&focus%5B%5D=webex-calling&focus%5B%5D=aircall)

Citadel Team

Who Is the Company Behind Citadel Team?

  • Seller: Thales Group
  • HQ Location: Austin, Texas
  • LinkedIn® Page: www.linkedin.com
    46 employees on LinkedIn®
  • Ownership: EPA:HO
  • Total Revenue (USD mm): $15,854

Clarity Business VoIP

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?

ClickDesk

Live chat and online engagement.

Average Rating: 3.8/5.0

Total Reviews: 48

How Do G2 Users Rate ClickDesk?

  • Has the product been a good partner in doing business?: 8.0/10 (Category avg: 8.8/10)

Who Is the Company Behind ClickDesk?

  • Seller: ClickDesk
  • Year Founded: 2011
  • HQ Location: Hyderbrad, India
  • LinkedIn® Page: www.linkedin.com
    15 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 44% Small, 33% Medium

What Are Recent G2 Reviews of ClickDesk?

What Are G2 Users Discussing About ClickDesk?

AI can help you find the answers. G2 helps you trust them.

Connect G2 to Claude or ChatGPT for answers grounded in G2's trusted reviews, comparisons, and pricing from real user insights.

How it works

Close

Close is the AI CRM built for businesses that grow through conversations. It brings powerful sales dialing, email, SMS, pipeline management, automation, and AI agents together in one platform. Connect with more prospects, win more deals, and scale without the complexity of traditional CRMs. Reach more prospects. Have more conversations. A powerful sales dialer is built right into your CRM. Power and Predictive Dialers help reps make more calls in less time, while Local Presence and Branded Calling help improve connection rates. With email, SMS, and outreach sequences in the same platform, your team can engage leads, follow up consistently, and manage opportunities without juggling tools. Make every conversation count. Call recording, transcription, AI Notetaker, and automatic summaries capture important details so reps can focus on selling. AI-assisted email drafting, SMS follow-ups, and automatic CRM updates help turn conversations into action. Sales Playbooks, workflow automation, lead routing, Smart Views, and reporting help teams standardize what works, automate follow-through, and manage more opportunities as they grow. Chloe helps you. AI agents work for you. Chloe is your built-in AI assistant. Ask her about a lead, your pipeline, or a recent conversation. She can find answers, update records, build reports, and help you create AI agents. Give those agents a job on your sales team. They can call and qualify prospects, book meetings, follow up with leads, coach reps, and prepare daily briefings. Because they work inside Close, they can use your customer history, conversations, and workflows to take action. Built to grow with your business. From founder-led startups to established sales organizations, Close supports businesses where conversations drive revenue. That includes software, financial and professional services, insurance, home services, coaching, education, and more. Get started quickly, then scale with sophisticated dialing, automation, AI agents, reporting, and customizable workflows. An open API, MCP, and integrations let you connect existing tools, build custom sales processes, and work with AI platforms like ChatGPT and Claude. For 13 years, we've focused on helping businesses turn more conversations into customers. Today, more than 11,500 businesses use Close to sell and grow. Close. Built for selling. Made for scaling.

Average Rating: 4.7/5.0

Total Reviews: 2,140

G2 Deal: 20% off for new Close customers

Close is the sales engagement CRM designed to help SMBs turn more leads into revenue. G2 users receive a 20%, one-time discount off first billing cycle for new Close customers. Offer expires December 31, 2026.

Offer expires: 31 December 2026

View this exclusive G2 deal

How Do G2 Users Rate Close?

  • Has the product been a good partner in doing business?: 9.3/10 (Category avg: 8.8/10)
  • Phone Calls: 9.8/10 (Category avg: 9.2/10)
  • VOiP Number: 9.7/10 (Category avg: 9.1/10)
  • Desk-to-Desk Calls: 8.8/10 (Category avg: 8.6/10)

Who Is the Company Behind Close?

  • Seller: Close
  • Company Website:
  • Year Founded: 2013
  • HQ Location: 111 Congress Avenue, Suite 500 Austin, Texas 78701 United States
  • LinkedIn® Page: www.linkedin.com
    214 employees on LinkedIn®

Who Uses This Product?

  • Who Uses This: CEO, Founder
  • Top Industries: Marketing and Advertising, Computer Software
  • Company Size: 77% Small, 19% Medium

What Do G2 Reviewers Say About Close?

AI-generated summary from verified user reviews

Pros
  • Users find Close to be extremely user-friendly, enabling quick access to essential features for efficient business management.
  • Users find Close to be incredibly helpful, especially with its intuitive design and fast customer support.
  • Users love the simplicity and user-friendliness of Close, making customer management and prospect tracking effortless.
  • Users appreciate the enhanced communication management features of Close, streamlining client interactions effectively and efficiently.
  • Users love the intuitive design of Close, finding it user-friendly and efficient for their needs.
Cons
  • Users note the missing features in Close, like mobile app limitations and no WhatsApp integration, affecting usability.
  • Users experience call issues, including unexpected charges and recording failures, which can hinder effective usage.
  • Users find the limited features of Close restrictive, particularly for B2C needs and advanced functionalities.
  • Users find the learning curve steep, with challenges in merging leads and managing custom reports effectively.
  • Users find the limited customization of Close frustrating, particularly for tailored reports and advanced dashboards.

What Are Recent G2 Reviews of Close?

What Are G2 Users Discussing About Close?

Cloudli TalkNText

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?

Coeo

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?

Comza

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
  • HQ Location: Mexico City, MX
  • LinkedIn® Page: linkedin.com
    7 employees on LinkedIn®

Continent Telecom Virtual IP PBX

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?

Conversational Intelligence

Peerlogic is a voice-based conversational intelligence software designed for the dental industry. Powered by Artificial Intelligence (AI), Peerlogic works by identifying hidden revenue and providing call data insights that result in saving time and growing business revenue.

Who Is the Company Behind Conversational Intelligence?

  • Seller: Peerlogic
  • Year Founded: 2018
  • HQ Location: Scottsdale, US
  • LinkedIn® Page: www.linkedin.com
    42 employees on LinkedIn®

CoreNexa

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: 9.2/10)
  • VOiP Number: 6.7/10 (Category avg: 9.1/10)
  • Desk-to-Desk Calls: 5.0/10 (Category avg: 8.6/10)

Who Is the Company Behind CoreNexa?

  • Seller: CoreDial
  • Year Founded: 2014
  • HQ Location: San Diego, US
  • LinkedIn® Page: www.linkedin.com
    258 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 100% Small

What Are Recent G2 Reviews of CoreNexa?

What Are G2 Users Discussing About CoreNexa?

Coztel

Coztel provides cloud based call center softwares for inbound, outbound and blended type of call centers.

Who Is the Company Behind Coztel?

  • Seller: Coztel
  • Year Founded: 2017
  • HQ Location: Lewes, US
  • LinkedIn® Page: www.linkedin.com
    4 employees on LinkedIn®

CrocoCalls

Crococalls is a reliable, cloud-based business communication solution developed by MetaVoip. It provides high-quality voice services, virtual numbers, and essential call management tools, empowering teams of all sizes to streamline their operations and ensure scalable connectivity.

Who Is the Company Behind CrocoCalls?

Neeraja Prakash
NP
Researched and written by Neeraja Prakash
Updated April 9, 2026