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Best VoIP Providers

TrustMaps are two-dimensional charts that compare products based on satisfaction ratings and research frequency by prospective buyers. Products must have 10 or more ratings to appear on this TrustMap.

VoIP Providers Overview

What is VoIP Technology?

VoIP stands for Voice over Internet Protocol. It is technology for delivering voice and other forms of communication over an Internet Protocol or IP. VoIP providers offer communications services that the business world relies on for collaboration. Typically, phone, video conferencing, and live chat are conducted on the VoIP platform, without assistance from the public switched telephone network (PSTN). There are also hybrid solutions that combine VoIP with PSTN.


VoIP presents the underlying technology for Unified Communications Platforms.

Benefits of IP Telephony

Compared to regular telephone networks, IP telephony aims to be:

  • Cheaper

  • Simpler

  • More scalable

  • Higher-availability

  • Equally or more reliable

VoIP Providers vs. Unified Communications as a Service

Some VoIP providers are geared for SMBs who want a business phone with advanced telephony-type features and maybe some conferencing capability or minutes.


More sophisticated providers offer a highly scalable, end-to-end unified communications platform designed for larger enterprises. These UCaaS vendors tend to offer more reach and flexibility compared to point tools for collaboration, live chat, and web conferencing. They also aim to encompass all communication within the enterprise and across its boundaries, including integrated contact center functionality.


The top vendors offer both a unified communications platform as well as a low-cost VoIP solution.

VoIP Provider's Features & Capabilities

VoIP Providers generally support the following functions:


Cloud PBX:

  • Hosted PBX

  • Multi-level Interactive Voice Response (IVR)

  • User templates

  • Call reports

  • Directory of employee names


Call Management:

  • Answering rules

  • Call recording

  • Call park

  • Call screening

  • Message alerts


VoIP System Collaboration:

  • Video conferencing

  • Audio conferencing


Mobile Apps:

  • Mobile app for iOS

  • Mobile app for Android


Advanced Features:

  • Integration with contact & customer information systems (e.g., CRM, Outlook, etc)

  • Internet faxing

  • Ring group (splitting calls or rotating them within a group of employees)

VoIP Providers Comparison

To more easily compare VoIP products, consider evaluating different options based on these 3 key factors:

1. Standalone voice software vs. UCaaS suite: Are you looking for a simple voice-only solution, or a VoIP product that is embedded within a larger unified-communications-as-a-software (UCaaS) suite? Think about which type of solution will best serve your business needs. If you already use other online communication applications (e.g. video chat, messenger, team collaboration features), then being able to centralize these capabilities within one platform might be worth the extra cost. On the other hand, if you’re mainly looking for voice solution to use while traveling or in place of your own personal phone number, a lighter weight VoIP solution might be the best fit.

2. Pricing model: Does it make the most sense for you to pay for VoIP services per user per month, or on an as needed basis? Many large VoIP vendors offer packages that charge on a per user/month basis. However, other products include free calling to any other individual using the same application, and charge by the minute for other types of calls. If making a large number of calls is part of the job description at your company, as it is for sales reps or call center agents, then you may want to consider a per user/month package.

3. Mobile compatibility: Today’s workforce is becoming increasingly mobile, and making sure your employees can access VoIP services while traveling or working remotely is more important than ever. Many VoIP vendors already offer both iOS and Android mobile applications, but make sure to check that the products your considering have mobile applications that support all your devices. Look for mobile application feature ratings on product scorecards.

Additional Factors to Consider

Security: Authorization, Authentication, Transport Layer Security (TLS), Media encryption (SRTP)

IP networks can be vulnerable, so various methods of providing communication privacy and security should be considered. Vendors may vary in how they attempt to secure communications.

Business Phones & other Hardware Components

Vendors must offer hardware to support their platforms' capabilities, such as phones, headsets, servers, and other infrastructural devices. Subtle differences between these devices may contribute to very similar and relatively equal software platforms being perceived very differently in terms of quality or fit. Therefore, these subtleties should not be discounted.

Call & Communications Analytics

A great deal of data is transmitted through these systems. Owing to this, VoIP solutions provide analytics to evaluate agent, channel, and call performance. These analytics can be used to seek out inefficiencies or anomalies, endpoint status, and more. Integration with VoIP analytics platforms might help monitor system performance.

Field, Telework & Telecommute

One potential benefit of VoIP and virtual offices is the ability to interact with personnel (or support personnel as they interact with customers) as though they were in the office. This includes dashboard interfaces, a reliable connection, quality streaming, and security protocols and methods (e.g. Virtual Private Network / VPN). Products may vary in their ability to function outside the boundaries of the enterprise.

Pricing Information

VoIP providers often charge on a per month, per user basis. Prices generally start at around $20 per month, per user, and will increase from there with more advanced features.


Another factor to consider in the cost structure is the hardware. Many providers offer hardware rental as part of their service, at additional cost.

More Resources

VoIP Products

Listings (26-50 of 124)

7 Ratings

CloudTalk is cloud-based call center software for sales and support teams of all sizes, looking to improve customer experiences through more personalized, data-driven customer interactions.The vendor aims to help teams communicate clearly and efficiently.With CloudTalk you can get local or toll-free…

FreeConferenceCall.com is a free audio conferencing solution with features such as audio and video conferencing, screen-sharing, call recording, transcribed keywords, one-click web controls, transcribed keywords, instant messaging, and integrations with Microsoft Outlook and Google Calendar.

4 Ratings

Beta Company's HotTelecom is a service that consists of a wide range of VoIP needs with over 6000 virtual phone numbers both local and mobile for business, designed to present an easy to use and affordable means of communication.HotTelecom offers virtual phone numbers, toll-free numbers, SMS number…

Evolve IP is a cloud-based business phone system that has integrations with third-party applications such as Google, Salesforce, and Zendesk. It includes features such as call forwarding, call park, voicemail, caller ID, group directory, audio conferencing, and inbound fax messaging.

Cisco Business Edition 6000 (BE6000) is a telephony and VoIP business phone with unified communications features from Cisco, similar to their enterprise Business Edition 7000 offering though targeted at SMBs with less extensive needs than their larger enterprise counterparts.

10 Ratings

Freshcaller is a call center software for startups and small teams. Freshcaller lets businesses / teams set-up and run a powerful call center without spending a lot of time and money. It is suited for phone teams of size 1- 30.You can create custom greeting texts based on specific call scenarios. Th…

4 Ratings

VirtualPBX is a VoIP solution that in addition to VoIP offers analog, smartphone, WebRTC, SIP Trunking & native calling options. It can also be used as a virtual contact center or virtual office solution.

4 Ratings

Aircall headquartered in Paris provides a VOIP system for business designed to support contact centers, featuring IVR and automated call routing, conference calls, shared call inbox and call notes, unlimited concurrent calls and call queuing, and many integrations with CRM or marketing systems to su…

2 Ratings

FluentCloud, from FluentStream Technologies, is a dynamic, cloud-based business phone system. FluentCloud includes FluentStream's leading phone system, phone service and customer support team, all in one. The FluentCloud product aims to provide businesses with new telecommunications flexibility, wit…

1 Ratings

CrazyCall is a cloud-based app that is designed to help contact centers and sales teams boost the performance of their outbound and inbound projects.CrazyCall requires no download or technical skills. According to the vendor, users can start making and receiving calls directly in their browser withi…

1 Ratings

CallHippo is an on-demand Voice-over-Internet Protocol (VoIP) based Virtual Phone System. CallHippo allows startups and businesses to get local phone numbers instantly from over 50+ countries around the world. The vendor says the easy to use interface and robust backend architecture enables business…

2 Ratings

JustCall is a cloud-based phone system designed to help businesses get phone numbers (in 58 countries) and make, receive and track calls from a web app, mobile apps or desktop apps. According to the vendor, it solves all the telephony requirements for an organization’s sales, support, and remote tea…

1 Ratings

Ring4 headquartered in San Francisco offers a VoIP app that allows business owners and others to add a second (or third) phone line to their mobile phone.

5 Ratings

Twilio now offers Flex, a cloud-based contact center management platform featuring support for multi-channel communications (e.g. voice + social media, etc.) and messaging to provide many customer support and collaboration features.

TrustRadius Top Rated for 2020

2020 Top Rated VoIP Providers

There are plenty of options out there, but here's our shortlist of the best VoIP Providers. These products won a Top Rated award for having excellent customer satisfaction ratings. The list is based purely on reviews; there is no paid placement, and analyst opinions do not influence the rankings. To qualify, a product must have 10 or more recent reviews and a trScore of 7.5 or higher, indicating above-average satisfaction for business technology. The products with the highest trScores appear first on the list. Read more about the Top Rated criteria.

Frequently Asked Questions


What’s the difference between VoIP and unified communications software?

VoIP, or voice-over-internet-protocol, software enables users to place voice calls using an internet connection rather than relying on a traditional landline phone or cellular data. In comparison, unified-communications-as-a-service (UCaaS) software is a larger suite of integrated online communication technologies including VoIP, video and audio chat, business messaging, and team collaboration features. Check out our article about the differences between VoIP and UCaaS to learn more.

What’s the difference between a fixed and non-fixed VoIP?

A ‘fixed’ VoIP phone number is tied to a physical location (e.g. personal or company address), these types of VoIP lines are typically more secure than non-fixed VoIP services. Non-fixed VoIP lines are not attached to a specific location and can be purchased and accessed internationally. Note, VoIP providers are more likely to provide access to local emergency services for fixed-VoIP numbers. Read more about the difference between fixed and non-fixed VoIP services.

What are the most important things to consider when buying a VoIP solution?

A recent TrustRadius survey of 200+ VoIP users found that these are the 5 main buying criteria to keep in mind when looking for a new VoIP service:

  1. Price
  2. Ease of use
  3. Reliability of the service
  4. Call quality
  5. Access to 24/7 support

To learn more about VoIP software in general and read product reviews, visit our VoIP category page.

What do businesses use VoIP software for?

VoIP software can be used for a range of business communication needs. Common use cases for VoIP services include:

  • Having a personal VoIP phone number
  • Internal business communication
  • Sales communication
  • Client/customer communication
  • Customer service/support
  • Contact center activities

Learn more about VoIP software and read product reviews on our VoIP category page.