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Head-to-head · Fax Server Software

OpenTouch Fax Center vs Zetafax

  • Updated Oct 2026
  • Both researched from official sources
  • 5 checks side by side
Higher score OpenTouch Fax Center #6 in Fax Server Software 8.5/10 Pricing on request ✓ 4 of 4 features Visit site
Zetafax #8 in Fax Server Software 8.3/10 Pricing on request · 30-day trial Free trial✓ 4 of 4 features Visit Equisys

OpenTouch Fax Center leads on 0 checks, Zetafax on 0, and 5 are even. Who comes out ahead on the 5 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreOpenTouch Fax Center · 8.5/10
  • Free trialonly Zetafax

OpenTouch Fax Center scores higher on our rubric for fax server software: 8.5 against 8.3 out of 10; our editors rank them #6 and #8.

OpenTouch Fax Center is the better fit for organizations using OpenTouch infrastructure. Zetafax is the better fit for microsoft-centric on-premise fax teams.

  • OpenTouch Fax Center fits best

    Organizations using OpenTouch infrastructure

  • Zetafax fits best

    Microsoft-centric on-premise fax teams

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Side by side

Feature OpenTouch Fax Center 8.5/10 Visit ↗ Zetafax 8.3/10 Visit ↗
At a glance
Editor score 8.5 8.3
Ranking #6 in Fax Server Software #8 in Fax Server Software
Best for Organizations using OpenTouch infrastructure Microsoft-centric on-premise fax teams
Pricing model Paid Paid
Starting price Pricing on request Pricing on request · 30-day trial
Free plan Not checked yet —
Free trial — 30 days
Deployment Self-hosted, Desktop Self-hosted, Desktop
Platforms Web, Windows Windows
Support Docs Email, Tickets, Docs
Compliance HIPAA, SSO/SAML GDPR
Integrations 10 integrations 11 integrations
Built for Enterprise Small business, Mid-market, Enterprise
Features OpenTouch Fax Center 4/4 · Zetafax 4/4
Modem or gateway support ✓ ✓
Fax routing rules ✓ ✓
Email fax workflow ✓ ✓
Searchable fax archive ✓ ✓
Specs
Deployment model On_premises On_premises
Concurrent fax channels Not checked yet Not checked yet
Our review
Pros
  • Secure web, email, desktop, and T.37 fax workflows
  • Detailed inbound routing with searchable histories and audit logs
  • Supports SIP/T.38, G.711, VMware, and Hyper-V
  • Centralizes fax sending, receiving, routing, and archiving
  • Supports Outlook, Exchange Online, SMTP, and Microsoft Office workflows
  • Offers DID, DDI, DTMF, T.38, modem, and fax board support
Cons
  • Pricing requires contacting sales
  • On-premises deployment may not suit cloud-first teams
  • Strongest integrations are concentrated in the OpenTouch ecosystem
  • Designed for Microsoft Windows deployments
  • Requires on-premises or self-hosted server management
  • No perpetual free plan; licensing is handled through sales
Our verdict

OpenTouch Fax Center is an on-premises fax-over-IP solution for enterprises moving fax workflows onto IP networks. It supports sending and receiving through secure web access, SMTP email systems, desktop applications using a virtual fax…

Read the review →

Zetafax is network fax server software from Equisys for businesses that need centralized fax sending, receiving, routing, archiving, and application integration. It runs on Microsoft Windows and can be installed on physical or virtualized…

Read the review →
  1. OpenTouch Fax CenterFax Server Software 8.5Pricing on request
  2. ZetafaxFax Server Software 8.3Pricing on request · 30-day trial

Strengths and trade-offs

  • OpenTouch Fax Center — where it wins

    • Secure web, email, desktop, and T.37 fax workflows
    • Detailed inbound routing with searchable histories and audit logs
    • Supports SIP/T.38, G.711, VMware, and Hyper-V

    Where it doesn't

    • Pricing requires contacting sales
    • On-premises deployment may not suit cloud-first teams
    • Strongest integrations are concentrated in the OpenTouch ecosystem

  • Zetafax — where it wins

    • Centralizes fax sending, receiving, routing, and archiving
    • Supports Outlook, Exchange Online, SMTP, and Microsoft Office workflows
    • Offers DID, DDI, DTMF, T.38, modem, and fax board support

    Where it doesn't

    • Designed for Microsoft Windows deployments
    • Requires on-premises or self-hosted server management
    • No perpetual free plan; licensing is handled through sales
  • OpenTouch Fax Center8.5/10 · Pricing on request

    A capable on-premises fax server for organizations built around OpenTouch infrastructure.

    Visit siteFull verdict →
  • Zetafax8.3/10 · Pricing on request · 30-day trial

    Centralized fax serving for Microsoft-focused teams with routing, archiving, and automation.

    Visit EquisysFull verdict →

More comparisons

All fax server software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update