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Head-to-head · IP PBX Software

Avaya IP Office vs Wildix

  • Updated Oct 2026
  • Both researched from official sources
  • 2 checks side by side
Higher score Avaya IP Office #2 in IP PBX Software 9.0/10 Pricing on request ✓ 1 of 3 features Visit Avaya
Wildix #4 in IP PBX Software 8.8/10 Pricing on request ✓ 0 of 3 features Visit Wildix

Avaya IP Office leads on 0 checks, Wildix on 0, and 2 are even. Who comes out ahead on the 2 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreAvaya IP Office · 9.0/10
  • Most featuresAvaya IP Office · 1 of 3

Avaya IP Office scores higher on our rubric for ip pbx software: 9.0 against 8.8 out of 10; our editors rank them #2 and #4.

Avaya IP Office is the better fit for organizations standardizing on an established on-prem PBX. Wildix is the better fit for teams seeking integrated PBX and contact-center tools.

  • Avaya IP Office fits best

    Organizations standardizing on an established on-prem PBX

  • Wildix fits best

    Teams seeking integrated PBX and contact-center tools

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 Avaya IP Office 9.0/10 Visit ↗ Wildix 8.8/10 Visit ↗
At a glance
Editor score 9.0 8.8
Ranking #2 in IP PBX Software #4 in IP PBX Software
Best for Organizations standardizing on an established on-prem PBX Teams seeking integrated PBX and contact-center tools
Pricing model Paid Paid
Starting price Pricing on request —
Free plan Not checked yet —
Free trial — —
Deployment Self-hosted, Desktop, Mobile Cloud, Self-hosted, Desktop, Mobile
Platforms Windows, macOS, iOS, Android Web, Windows, macOS, Linux, iOS, Android
Support Tickets, Docs Phone, Tickets, Community, Docs
Integrations 9 integrations 350+ integrations
Built for Small business, Mid-market, Enterprise Small business, Mid-market, Enterprise
Features Avaya IP Office 1/3 · Wildix 0/3
Web management Not checked yet Not checked yet
Call recording ✓ (best) 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
  • Combines TDM and IP telephony with trunk support.
  • Includes auto attendants, call routing, recording, and conferencing.
  • Workplace Client supports desktop and mobile calling, messaging, and presence.
  • Call queues, IVR, recording, voicemail, and advanced routing
  • Web, desktop, and mobile collaboration across supported platforms
  • Contact-center dashboards, analytics, and AI tools on higher tiers
Cons
  • Purchasing is routed through sales or partners rather than public pricing.
  • Instant messaging requires one-X Portal or Avaya cloud services.
  • Features vary by edition, deployment, license, and territory.
  • No free plan; pricing requires contacting sales
  • PBX-Basic allows 2 concurrent calls and 1 device per user
  • Contact-center dashboards and wallboards are limited to UC-Premium
Our verdict

Avaya IP Office brings on-premises unified communications and telephony together for small, medium-sized, and larger organizations. Its hybrid PBX supports both TDM and IP telephony, while voicemail, call management, conferencing,…

Read the review →

Wildix combines cloud PBX and VoIP calling with video meetings, chat, collaboration apps, and contact-center capabilities. Its stated fit spans small and midsize businesses, enterprises, remote teams, and contact centers. Teams can use…

Read the review →
  1. Avaya IP OfficeIP PBX Software 9.0Pricing on request
  2. WildixIP PBX Software 8.8Pricing on request

Strengths and trade-offs

  • Avaya IP Office — where it wins

    • Combines TDM and IP telephony with trunk support.
    • Includes auto attendants, call routing, recording, and conferencing.
    • Workplace Client supports desktop and mobile calling, messaging, and presence.

    Where it doesn't

    • Purchasing is routed through sales or partners rather than public pricing.
    • Instant messaging requires one-X Portal or Avaya cloud services.
    • Features vary by edition, deployment, license, and territory.

  • Wildix — where it wins

    • Call queues, IVR, recording, voicemail, and advanced routing
    • Web, desktop, and mobile collaboration across supported platforms
    • Contact-center dashboards, analytics, and AI tools on higher tiers

    Where it doesn't

    • No free plan; pricing requires contacting sales
    • PBX-Basic allows 2 concurrent calls and 1 device per user
    • Contact-center dashboards and wallboards are limited to UC-Premium
  • Avaya IP Office9.0/10 · Pricing on request

    A hybrid on-prem PBX with broad calling and collaboration features for Avaya-oriented organizations.

    Visit AvayaFull verdict →
  • Wildix8.8/10 · Pricing on request

    A multi-tier PBX and collaboration suite with contact-center tools and sales-led pricing.

    Visit WildixFull 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