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Head-to-head · IP PBX Software

Mitel MiVoice Business vs 4PSA VoipNow

  • Updated Oct 2026
  • Both researched from official sources
  • 1 check side by side
Higher score Mitel MiVoice Business #3 in IP PBX Software 8.9/10 Pricing on request ✓ 0 of 3 features Visit Mitel
4PSA VoipNow #8 in IP PBX Software 7.9/10 Free plan · 30-day trial Free planFree trial✓ 0 of 3 features Visit 4PSA

Mitel MiVoice Business leads on 0 checks, 4PSA VoipNow on 0, and 1 is even. Who comes out ahead on the 1 yes/no, price and count check where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreMitel MiVoice Business · 8.9/10
  • Free planonly 4PSA VoipNow
  • Free trialonly 4PSA VoipNow

Mitel MiVoice Business scores higher on our rubric for ip pbx software: 8.9 against 7.9 out of 10; our editors rank them #3 and #8.

Mitel MiVoice Business is the better fit for organizations needing flexible Mitel deployment options. 4PSA VoipNow is the better fit for service providers needing a multitenant PBX.

  • Mitel MiVoice Business fits best

    Organizations needing flexible Mitel deployment options

  • 4PSA VoipNow fits best

    Service providers needing a multitenant PBX

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature Mitel MiVoice Business 8.9/10 Visit ↗ 4PSA VoipNow 7.9/10 Visit ↗
At a glance
Editor score 8.9 7.9
Ranking #3 in IP PBX Software #8 in IP PBX Software
Best for Organizations needing flexible Mitel deployment options Service providers needing a multitenant PBX
Pricing model Paid Free plan + paid
Starting price Pricing on request —
Free plan Not checked yet ✓ (best)
Free trial — 30 days
Deployment Cloud, Self-hosted Cloud, Self-hosted
Platforms Web, Windows, macOS, iOS, Android Web
Support Docs Community, Docs
Integrations 6 integrations 5 integrations
Built for Small business, Mid-market, Enterprise Mid-market, Enterprise
Features Mitel MiVoice Business 0/3 · 4PSA VoipNow 0/3
Web management Not checked yet Not checked yet
Call recording Not checked yet Not checked yet
High availability Not checked yet Not checked yet
Specs
Concurrent call limit Not checked yet Not checked yet
Deployment options Not checked yet Not checked yet
Supported platforms Not checked yet Not checked yet
Our review
Pros
  • Supports on-premises, private-cloud, public-cloud and hybrid deployments
  • Combines advanced call routing, automated attendants and unified messaging
  • Offers desktop and mobile clients with Zoom Workplace integration
  • Advanced call routing, fallback, IVR and auto-attendant menus
  • Multitenant administration with role-based permissions
  • Cloud and self-hosted deployment options
Cons
  • Voicemail transcription requires MiCollab Advanced Messaging
  • Chat, video and file sharing are delivered through MiCollab
  • Purchasing requires a sales discussion rather than published prices
  • The perpetual-license option lists 10 extensions
  • That perpetual-license option includes one year of software updates
  • Listed support channels are community and documentation
Our verdict

Mitel MiVoice Business brings IP telephony and unified communications together for organizations ranging from small offices to global enterprises. Its scope includes business calling, messaging, automated attendants, voicemail, mobility…

Read the review →

Service providers and organizations looking for a multitenant PBX can use 4PSA VoipNow for enterprise telephony and unified communications. It combines call routing, SIP trunking, IVR, voicemail, recording, queues and contact-center tools…

Read the review →
  1. Mitel MiVoice BusinessIP PBX Software 8.9Pricing on request
  2. 4PSA VoipNowIP PBX Software 7.9Free plan · 30-day trial

Strengths and trade-offs

  • Mitel MiVoice Business — where it wins

    • Supports on-premises, private-cloud, public-cloud and hybrid deployments
    • Combines advanced call routing, automated attendants and unified messaging
    • Offers desktop and mobile clients with Zoom Workplace integration

    Where it doesn't

    • Voicemail transcription requires MiCollab Advanced Messaging
    • Chat, video and file sharing are delivered through MiCollab
    • Purchasing requires a sales discussion rather than published prices

  • 4PSA VoipNow — where it wins

    • Advanced call routing, fallback, IVR and auto-attendant menus
    • Multitenant administration with role-based permissions
    • Cloud and self-hosted deployment options

    Where it doesn't

    • The perpetual-license option lists 10 extensions
    • That perpetual-license option includes one year of software updates
    • Listed support channels are community and documentation
  • Mitel MiVoice Business8.9/10 · Pricing on request

    A flexible IP PBX with cloud, on-premises and hybrid options, plus collaboration tools.

    Visit MitelFull verdict →
  • 4PSA VoipNow7.9/10 · Free plan · 30-day trial

    A multitenant PBX for providers that need routing, SIP trunking and cloud or self-hosted deployment.

    Visit 4PSAFull verdict →

More comparisons

All IP PBX software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update