Communication·Standings

Compare IP PBX Software

IP PBX software manages business phone calls over an internet protocol network. Compare call capacity, deployment options, and the platforms your team uses.

This board shows a signal score out of 10, plus marks for a public API, open-source code, and a free tier. It also compares call recording, high availability, and web management.

• 19 platforms
• 4 with a public API on this page
• 9 with a free tier
• Checked 7 Oct 2026

1. #PlatformSignalPlugs inPrice
2. 1
   V

   VitalPBXvitalpbx.com

   VitalPBX is a unified communications PBX built on Asterisk and Linux for business telephony, call routing, call centers, multi-tenant deployments and CRM…

   6.7 APIOpenFree Free tier · from $100/mo
   →
3. 2
   IP

   Incredible PBXwiki.incrediblepbx.com

   A free, open-source phone system with an auto attendant, custom call routing, and voicemail transcription.

   6.7 APIOpenFree Free tier
   →
4. 3
   WP

   Wazo Platformwazo-platform.org

   A free, open-source phone system with an auto attendant and custom call routing.

   6.7 APIOpenFree Free tier
   →
5. 4
   PP

   PortSIP PBXportsip.com

   A phone system with a free plan for three users, multiple numbers, an auto attendant, and custom routing.

   6.7 APIOpenFree Free tier
   →
6. 5
   4V

   4PSA VoipNow4psa.com

   A cloud phone system with call routing, an auto attendant, and apps; it offers a free plan and 30-day trial.

   6.3 APIOpenFree Free tier · from $145/mo
   →
7. 6
   M

   MikoPBXmikopbx.com

   A free phone system for on-site or cloud use, with call queues, an auto attendant, and custom routing.

   6.3 APIOpenFree Free tier
   →
8. 7
   F

   FusionPBXfusionpbx.com

   A free, open-source phone system with custom call routing, voicemail transcription, and self-hosting.

   6.2 APIOpenFree Free tier · from $100/mo
   →
9. 8
   YP

   Yeastar P-Series Cloud Editionyeastar.com

   A cloud-based phone service with a free trial and automatic call answering.

   6.0 APIOpenFree —
   →
10. 9
    3

    3CX3cx.com

    An IP phone system with an auto attendant, web and desktop apps, and a free plan for up to 40 users.

    6.0 APIOpenFree Free tier · from $300/yr
    →
11. 10
    TB

    Thirdlane Business Communications Platformthirdlane.com

    A business phone system you can host yourself, with a free trial and an automatic greeting for callers.

    5.9 APIOpenFree —
    →
12. 11
    VP

    Vodia PBXvodia.com

    A business phone system that supports multiple phone numbers and can direct callers automatically.

    5.9 APIOpenFree —
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13. 12
    P

    PBXwarebicomsystems.com

    PBXware is a software PBX that brings voice, video, contact center features and meetings together in one platform.

    5.6 APIOpenFree —
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14. 13
    MM

    Mitel MiVoice Businessmitel.com

    MiVoice Business is a unified communications platform combining telephony, messaging, video conferencing, mobility, and contact center tools.

    5.5 APIOpenFree —
    →
15. 14
    W

    Wildixwildix.com

    A paid phone system with an auto attendant and support for mobile business numbers.

    4.9 APIOpenFree —
    →
16. 15
    S

    sipXcomsipxcom.org
    4.9 APIOpenFree Free tier
    →
17. 16
    AI

    Avaya IP Officeavaya.com

    A business phone service for calls and messaging, with video meetings and automatic call answering.

    4.5 APIOpenFree —
    →
18. 17
    IP

    innovaphone PBXinnovaphone.com

    A phone system with web management and call recording, available as a 90-day trial.

    4.1 APIOpenFree —
    →
19. 18
    K

    Kazoo2600hz.com
    4.0 APIOpenFree —
    →
20. 19
    Y

    Yateyatebts.com
    4.0 APIOpenFree —
    →

Places #1, #2, #3, #4, #5 on this board are open to sponsors. Take #1 · Other ways to advertise

How to choose

How many concurrent calls can the system handle?

Compare the concurrent call limit with the number of calls your organization needs to handle at once.

Where can I deploy the phone system?

Check the deployment options to see whether a product can run in the environment you need.

Which platforms does the phone system support?

Compare supported platforms with the devices your staff will use. Web, Linux, Windows, Android, iOS, and self-hosted are among the platform categories shown on this board.

Does it include call recording and high availability?

Check the call recording and high-availability details if those functions matter to your phone service.

Can I try the software before paying?

Compare the free-plan and free-trial details, then check the paid-from price where it is available.

Can I manage the phone system in a web browser?

Check the web management field to see whether browser-based administration is listed.

Questions

What does IP PBX software do?

It manages business phone calls over an internet protocol network.

What should I compare when choosing IP PBX software?

Compare concurrent call limits, deployment options, web management, call recording, high availability, and supported platforms.

Which platforms should an IP PBX support?

Match the supported platforms to the devices and environment you need. The board covers web, Linux, Windows, Android, iOS, and self-hosted platforms.

Can I get IP PBX software for free?

Free-plan availability varies. Check the free-plan and free-trial details for the product you are considering.

What does the signal score mean?

It is a score out of 10 based on published information about use, a public API, documentation depth, open-source code, and a free tier.

Some top positions on this board can be paid placements, standing where they were sold. The facts on each platform are not for sale. How we rank · Disclosure