10 BEST VoIP Software 2020 | Free & Commercial Voice Over IP Tools

An Exclusive List of The Top Free and Commercial VoIP Software With Features and Comparison. Select the Best VoIP Tool Based on This In-depth Review: 

VoIP software is an application that will allow you to make calls over the internet.

Voice over IP software is used by businesses because of their sophisticated functionality and scalability. These services are available at a reduced cost.

The two types of VoIP tools include Hard phones and Softphones. Get ready to explore the top VoIP Software that is available in the market along with their features.

VoIP Software

Fact Check: According to MarketWatch, the VoIP market will reach $55 Billion by 2025. IronPaper says that the revenue of VoIP is growing from $94.1 Million to $195.4 Billion during the period 2016 to 2024.

The below graph displays the Employee’s Current Conferencing Methods.

Stats on Employee's current conferencing Methods

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Overview Of VoIP Software

VoIP software packages can be categorized into Free VoIP Phones, Free VoIP Gateways, Free VoIP Gatekeepers, Free VoIP Proxies, Free VoIP Software Development Libraries, and Free VoIP PBX.

VoIP Applications According To Business Size

As startup businesses don’t have existing telephone service, the use of VoIP tools/services will reduce the cost. Startup businesses can look for the service that provides the native mobile application that will allow employees to use their own phones. PBX will be a good option for small and medium-sized businesses.

Pro Tip: Before you start searching for the VoIP solution for your business make a list of the features as per your business requirement. While selecting the VoIP tool for your business you should consider the reviews of the service. We would like to recommend that even if you have chosen the free software, try it out before going live.

Selection Of The Pricing Plan

Gathering the information about the number of employees in your company, inbound call volume, and your requirement for international calling will help you to select the pricing plan.

Scalability Of The Voice Over IP Tool

To know the scalability of the tool you should evaluate the potential future state through a couple of points as shown below:

  • Are the phone trees required?
  • The requirement for IVR.
  • Are multiple extensions required?
  • Can you expand at any time?
  • Availability of Mobile apps, etc.

Few More Tips For Tool Selection

While selecting a solution for your business you should also consider Features & Functionality, Third-party integration and UCaaS, Customer support, Security measures (Calls are encrypted, services in case of a security issue, proactiveness about security updates, etc.), and their emergency support services.

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List Of The Best VoIP Software

Some of the most popular VoIP tools are listed below –

  1. SolarWinds VoIP & Network Quality Manager
  2. 3CX Windows VoIP Phone
  3. ZoiPer
  4. 8*8
  5. Skype
  6. Ekiga
  7. Jitsi
  8. MicroSIP
  9. TeamSpeak
  10. Twinkle
  11. Viber

Comparison Of The Top VoIP Tools

VoIPBest forDeploymentVideo ConferencingBusiness TextingEncryptionPrice
SolarWinds VoIP & Network Quality Manager

SolarWinds_Logo
Medium to large size businesses.--------Starts at $1746.
3CX

3CX_Logo
Small to large businessesOn-premise, cloud.YesYesNoStandard: Free
Pro:$1.08/user/month.
Enterprise: $1.31/user/month.
ZoiPer

ZoiPer_Logo
Small to large businesses and individuals.On-premise, cloud-hosted.Yes--Yes$43.97
Per-user & unlimited licensing options for SDK.
8*8

8x8 Logo
Small to medium-sized businessesCloud-based.YesYesYesExpress: $12/user/month.
X Series X2: $25/user/month.
X Series X4: $45/user/month, etc.
Skype

Skype_Logo
Small to large businesses & freelancers.Cloud-based.Yes, up to 50 people.YesYesFree plan available.
US: $3.59/month for international calling.
Jitsi

Jitsi_Logo
Small to large businesses.Installed on PC.Yes----Free and open source.

Let's Explore!!

#1) SolarWinds VoIP & Network Quality Manager

Best for medium to large size businesses.

SolarWinds Pricing: The price for VoIP & Network Quality Manager starts at $1746. It offers a fully functional free trial for 30 days.

SolarWinds VoIP Software

SolarWinds provides a VoIP monitoring software, VoIP & Network Quality Manager. It will provide deep critical call QoS metrics and WAN performance insights. It can perform real-time WAN monitoring and will help you with troubleshooting VoIP call quality problems.

It provides a visual VoIP call path trace. It can perform the monitoring of the Cisco VoIP gateway & PRI trunk and Cisco SIP & CUBE trunk monitoring. The tool simplifies the IP SLA setup.

Features:

  • Real-time WAN monitoring will help you to make sure that the WAN circuits are performing as expected by using Cisco IP SLA metrics, synthetic traffic testing, and custom performance threshold and alerts.
  • It provides the facility to plan and measure voice quality in advance for new VoIP deployments.
  • It can provide valuable information like status, health, and utilization of SIP trunks & CUBE trunks, and audio & video call activity.

Verdict: SolarWinds provides this solution to monitor, alert, and troubleshoot VoIP and network quality issues. You will be able to gain deep insights into QoS metrics for gauging call quality.


#2) 3CX

Best for any business size or industry.

Price: 3CX offers three pricing plans i.e. Standard (Free), Pro ($1.08 per user per month), and Enterprise ($1.31 per user per month).

3CX

3CX is a VoIP phone. It is available on-premises for Linux as well as Windows. On the cloud deployment is available with your Google, Amazon, or Azure account. It has features of self-installation and management. Its mobile app is available for Android and iOS devices.

Features:

  • It provides powerful and easy to use Softphones for Windows and Mac.
  • It provides advanced features for video conferencing.
  • It has advanced call center features like advanced contact center reporting, advanced queue strategies, real-time statistics, etc.
  • This tool will allow you to visually create the flows for calls and voice apps.

Verdict: 3CX provides a switchboard to help you manage the telephones in real-time. As per the reviews, it is easy to set up and is rich in features platform.

Website: 3CX


#3) ZoiPer

Best for small to large businesses and individuals.

Price: ZoiPer is available for $43.97. It also offers a free version with limited functionalities like c2 voice calls, etc. For SDK, it offers flexible licensing options, for per-user or unlimited persons.

ZoiPer

ZoiPer provides VoIP softphone. It supports Windows, Mac, Linux, iOS, and Android. ZoiPer also provides the SDK that will the complete SIP tools package. It will give you access to ZoiPer’s core libraries. This SDK will help developers with voice & video calling, instant messaging, etc.

Features:

  • ZoiPer will give you quality audio even if you have older hardware.
  • It provides compatibility with most of the VoIP service providers and PBXs.
  • The new version of ZoiPer i.e. ZoiPer 5 has the features of an intuitive interface, contacts, video, click 2 dial and encryption.

Verdict: As ZoiPer is built-in oldsk001 C/C++ and assembly there will be low memory and CPU usage. ZoiPer softphone solution can be used by service providers, call centers, VoIP integrators, etc.

Website: ZoiPer


#4) 8*8

Best for small to medium-sized businesses.

Price: 8*8 has five pricing plans i.e. 8*8 Express ($12 per month per user), X Series X2 ($25 per month per user), X Series X4 ($45 per month per user), X Series X6 ($110 per month per user), X Series X8 ($172 per month per user). It offers a free trial of 30 days for the 8*8 Express plan.

8x8

8*8 has the solutions of the Cloud Business Phone system, Cloud Contact Center, and Video Conferencing. It has features for call recordings, cross-platform team messaging, and enterprise-grade security. It will allow you to share the screen with HD video conferencing.

Features:

  • 8*8 Express plan provides unlimited calling within the US and Canada.
  • X Series X2 will allow unlimited calling within 14 countries.
  • X Series X4 will allow unlimited calling within 47 Countries.
  • X Series X6 will also allow unlimited calling within 47 countries.

Verdict: It provides mobile and desktop apps. It offers the features of Single Sign-On and personal call analytics. The platform has good reviews for its functionalities, easy to use interface, and mobile app.

Website: 8*8


#5) Skype

Best for small to large businesses and freelancers.

Price: Skype offers a free plan. For international calling, it has calling options for US ($3.59 per month), India ($9.59 per month), and North America ($8.39 per month).

Skype

Skype Web will help you to connect with people from anywhere. You can make calls to mobiles and landlines. It provides the facility to send text messages anytime, anywhere. It provides end-to-end encryption to help you keep your sensitive conversations private.

Skype can be used on Phone, Desktop, and Tablet. It also supports Alexa and Xbox. It has affordable international calling rates.

Features:

  • It has features to help you hold an interview on Skype.
  • The gallery feature will keep all the files, links, and photos separately for a particular contact.
  • Skype can provide the local phone numbers for 26 countries.
  • It has the feature of live subtitles.
  • It has the functionality to record the call that will allow you to capture special moments.

Verdict: Skype will allow audio and HD video calling and has features of smart messaging. It will also allow you to share the screen.

Website: Skype


#6) Ekiga

Price: Ekiga is a free and open-source tool.

Ekiga

Ekiga is a free and open-source tool that has functionalities for Softphone, Video conferencing, and Instant messenger. It supports Windows and Linux platforms. It has a GUI, hence it will be easier to use. You can make audio and video calls for free.

Features:

  • It will allow you to make audio and video calls to landlines and cell phones.
  • It provides HD sound and DVD quality for videos.
  • It will allow you to send SMS to cell phones if it is supported by the service provider.
  • It supports standard telephony features like call hold, call forwarding, etc.

Verdict: Ekiga is tested with various softphones, handphones, PBX, and service providers. It has the features of SIP Compliant, H.323v4 Compliant, and SIP dialog-info notifications.

Website: Ekiga


#7) Jitsi

Best for small to large businesses.
Price: Jitsi is a free and open-source tool.

jitsi

Jitsi is a collection of open-source projects that provide you functionalities for video conferencing for web and mobile. Advanced video routing concepts such as simulcast, bandwidth estimations, scalable video coding, etc. are supported by Jitsi.

Features:

  • Jitsi-video bridge is a multiuser video XMPP server component.
  • Jibri supports Jitsi Meet for recording and live streaming.
  • libJitsi is a Java Media Library that can be used for secure audio and video communication.
  • Jitsi Desktop is a legacy SIP and XMPP user agent.

Verdict: Jitsi-meet can be used for video conferencing. It will give you a secure, simple, and scalable solution.

Website: Jitsi


#8) MicroSIP

Best for small to large businesses.
Price: It is a free and open-source tool.

MicroSIP

MicroSIP is a SIP softphone. It supports Windows OS. It is based on the PJSIP. Person-to-person calls will be free with this open-source tool. The calls will be done through the open SIP protocol.

Features:

  • It will allow you to make high-quality VoIP calls.
  • You can call person-to-person or on regular telephones.
  • It offers international calls at a cheap rate.
  • It can be used for functions such as voice, video, simple messaging, etc.
  • It has compatibility with SIP standards.

Verdict: As MicroSIP is written in C and C++, there will be minimal possible system resource usage. RAM usage will be less than 5MB. For the voice quality, it supports best voice codecs like Opus@24kHz, G.711 A-Law (PCMA), etc.

Website: MicroSIP


#9) TeamSpeak

Best for gamers.

Price: TeamSpeak has three licensing options i.e. Free Server License, Gamer License, and Commercial License (Get a quote). The price will be based on the number of server slots required and the virtual servers. For 64 slots & 1 virtual server cost will be $55, 128 slots & 2 virtual servers cost will be $100, etc.

TeamSpeak

TeamSpeak is the VoIP platform for Online Gaming. It will allow you to host your own private server. It has a Mobile App and SDK. With TeamSpeak, the resource usage will be lowest when compared to other VoIP software. It provides 3D surround sound.

Features:

  • It provides military-grade encryption and advanced permission controls.
  • It supports Codecs CELT, Speex, and Opus.
  • It provides the facility of direct messaging and unlimited file transfer.
  • It supports Gamepad and Joystick.

Verdict: TeamSpeak gives you full control through advanced permission controls like who can talk, who can join channels, etc. It provides offline mode or LAN functionality. It can be used on Windows, Mac, Linux, Android, and iOS devices.

Website: TeamSpeak


#10) Twinkle

Best for Linux users.
Price: Twinkle is free.

Twinkle

Twinkle is a softphone for Linux OS. It can be used for VoIP and instant messaging communications through SIP protocol. It is useful for the direct IP phone to IP phone communication or to route your calls and messages in a network through a SIP proxy.

Open Sound System (OSS) and Advanced Linux Sound Architecture are the two audio drivers that are supported by Twinkle.

Features:

  • It provides security features like identity hiding, secure voice communication like ZRTP/SRTP, and AKAv1-MD5 digest authentication support for all SIP requests.
  • It will allow you a 3-way conference calling.
  • It has features like note, call direction for multiple possibilities, call transfer with consultation, call reject, DND, etc.
  • It supports user-definable scripts triggered on the call events.

Verdict: You will get basic instant messaging capabilities such as sending and receiving plain text messages. Twinkle supports various audio codecs like G.711 A-law and provides AGC, Noise reduction, VAD, and AEC processing.

Website: Twinkle


#11) Viber

Best for small to large businesses and freelancers.
Price: Viber offers the plan to make unlimited worldwide calls for $8.99 per month. It also offers a free plan.

Viber

Viber is an application that has the functionalities for VoIP and instant messaging. It will allow you to make calls and messages to anyone from anywhere. It has various features for calling and messaging. It supports cross-platform. You can make audio and video calls with Viber.

Features:

  • It has the functionality for group chats.
  • It provides a lot of stickers and GIFs to express your thoughts.
  • You can send instant voice and video messages using Viber.
  • It will allow you to send photos and videos.
  • Viber will allow you to share videos, music, etc. in chats.

Verdict: Viber has advanced security features like end-to-end encryption and verifying the identity of a person you are chatting with. It has business solutions like ads, communities, commerce, business messages, and promotional stickers.

Website: Viber


#12) HotTelecom

Best for small business enterprises and personal use. If you are working with the call centers, marketing, sales, and transportation industries and looking for service for global communication, then HotTelecom is your choice

HotTelecom Pricing: It is a good choice for VoIP service. Its pricing options include i.e. virtual numbers (starts from $5 per month), toll-free numbers (starts from $7 per month), and virtual PBX (starts from $15 per month). Contact them for more pricing options.

HotTelecom

HotTelecom is a VoIP provider that is ideal for businesses working on a tight budget. It’s a one-stop-shop for the virtual number with a wide range of directions, services, and the perfect sound quality. HotTelecom services can be used for call forwarding to any devices worldwide.

Features

  • Wide coverage with phone numbers of 100+ countries.
  • Quick and responsive client support.
  • Setup within 24 hours of Cloud PBX service with a wide range of features for your business.

Verdict: Product is good for call forwarding due to the widest database of phone numbers in 100+ countries and budget-friendly prices.

HotTelecom offers flexible pricing options that can be used by any kind of business, starting from small businesses (one-man band) and up to enterprise level. It is also easy to use with a simple account registration process.


Conclusion

VoIP software can be selected based on the reliability of the service and features. Also, make sure if there are any up-front or hidden costs. Sometimes free software may have hidden upsells. We have reviewed some of the top VoIP solutions in this article.

3CX provides solutions for call flow Designer, Contact Centre, Hotel PBX, and CRM integration. ZoiPer is a softphone that provides quality audio even on the older hardware.

8*8 VoIP solution has features of HD video conferencing, screen sharing, call recordings, etc. TeamSpeak is a VoIP platform for online gaming. Ekiga, Jitsi, and MicroSIP are free VoIP software.

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Hope this article will help you select the right VoIP software for your business.

Research process:

  • Time taken to research this article: 17 Hours.
  • Total tools researched: 13
  • Top tools shortlisted: 10