Consolidate and Modernize with Cloud Fax for Legacy Applications

Cloud Fax for Legacy Applications

Don’t let outdated infrastructures hold you back. Integrate faxing into legacy applications and move to the cloud without changing the way you work.

Set and Forget

Move to a fax solution with the availability and scalability you can rely on. Never spend time on maintaining, troubleshooting or upgrading a fax server ever again.

The Right Fit for Your Business

Integrate faxing into custom, homegrown, or on premises applications without changing your workflow. Use advanced features to improve fax processes.

Rely on the Professionals

After thousands of projects and over 30 years in business, we know how fax works. Rely on our experts to move faxing to the cloud without interrupting processes.

The Retarus Advantage

Vast Integration Options

Make Cloud Fax work for your business, your process, your application. Integrate via APIs, SMTP, FTP, or print driver.

Built for Developers

With detailed documentation, granular configuration and customization. See for yourself in a proof of concept.

Compliant and Secure

Ensure HIPAA or other requirements with regional processing and encryption options such as https/TLS, VPN, and S/MIME.

Customer Ratings and Reviews

“Retarus and Symtrax provided us with a turnkey solution, so that we could immediately test it under real production conditions. Within two days the service was ready to use productively.”

Read Customer Story Jean-Michel Brégeat, Head of Sales, Aigle

“An exceptional and strong services performance proven by many years of nearly flawless delivery of agreed services, processes and KPIs.”

Read full review IT, Banking

“Retarus is the technological leader for electronic enterprise communications. That means that we are excellently advised and equipped to deal with all future technological developments.”

Read Customer Story Willi Geißdörfer, Senior Manager Sales Services, Adidas

“In Retarus we have found a partner with which setting up and operating a scalable, cloud-based desktop SMS, fax and SAP fax solution functions very smoothly.”

Read Customer Story Öner Durmaz, Project Leader and Systems Consultant, Corporate Sector Information Systems and Services – Unified Communication Services, Robert Bosch GmbH

“A+ Product, Reliability, And Service From Retarus”

Read full review IT, Finance

Features

Real-Time Monitoring
Dynamic Cover Pages
Comprehensive Reporting
NeverBusy Technology
Rendering Control
Granular Administration

In addition to detailed in- and outbound reporting, we also provide administrators with live insights into their organization’s faxes as they’re in transmission.

Complete overview of all faxes currently in transmission

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Key facts about every single transmission at a glance

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Drilldown option for even more information

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Create and upload your own cover page templates. Different cover pages can be assigned to departments, user groups, or users. Set a standard cover page or choose one per fax job.

Dynamic fields for recipient information

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Add your logo or other graphical elements

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Automatically fill in sender and transmission information

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Use dynamic fields to enable exceptional use cases

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Utilize multi-page cover pages

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Keep a detailed overview of in- and outbound faxing across your entire organization. 

Use filters to generate your own reports

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Detailed overview of all fax transmissions. Available for sent and received faxes

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Download fax documents directly from reporting (optional)

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Drilldown with detailed metadata for every single fax

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Multiple users, departments, or applications sending faxes? Retarus’ own NeverBusy Technology ensures that two faxes are never simultaneously sent to the same recipient. This avoids busy signals, improves delivery rates and ensures smooth processes.

Need a rendering engine built for the most diverse requirements? Ours can easily process various document layouts, fonts, languages, text formats and file types including TXT, HTML, XSLX, DOCX, PDF, image files and many more.

RGB-to-grayscale conversion automatically transforms colorful elements like logos into high-contrast black-and-white images, preserving clarity and visual integrity.
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Various fonts and languages

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Right to left languages

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Tables

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Elements extending beyond page margins
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QR codes and barcodes

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Shapes

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Your business, your application, your Cloud Fax. Configure integrations, transmissions and documents according to your needs.

Edit resolution, cover pages, templates and more

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Upload your own cover pages templates

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Why Choose Retarus Cloud Fax?

Reliable Infrastructure

Retarus Cloud Fax, powered by the HITRUST e1 certified Fax Backend, is engineered for maximum reliability. Its robust infrastructure includes six data centers worldwide, along with a redundant network infrastructure, connections and carriers.
Retarus Data Centers

Security and Compliance

We operate under a comprehensive, annually audited security framework. Our certifications include SOC1, SOC2, ISO27001, HITRUST and PCI DSS. We provide fax solutions in compliance with major regulations including HIPAA, FERPA, and GDPR.

Premium Performance

Carrier-grade Ribbon equipment in every data center, multiple Tier 1 premium network carriers, active carrier management, and innovations and expertise from decades of experience ensure high transmission success rates on a global scale.

Reporting and Administration

Our easy-to-use web portal lets IT teams operate and configure services efficiently and precisely. Track the status of individual faxes with in-depth, real-time reporting.

Migration and Implementation

Your designated project manager and team are with you from the first days of scoping to implementation and scaling to production. Custom application integrations are supported by a professional services team or our proven partner network.

Customer Experience

We take customer support seriously. Talk to our experts instead of call centers or chatbots and see why we have a 95% first call resolution rate. Analysts recognize us, customers rate us highly, and many of the world’s largest enterprises rely on us.

Improve Business Processes with Cloud Fax Add-Ons

Optical Character Recognition

Automatically receive faxes as searchable PDF documents to simplify downstream workflows.

Read more

Barcode and QR Code Recognizer

Automatically read or print barcodes on faxes, route inbound documents to specific numbers, email addresses or folders based on barcode information.

Read more

Archiving

Keep sent and received faxes including metadata in our storage or have them automatically be copied into your own archive.

Read more

Fax Auto Reply

Set up automatic, customizable replies to received faxes.

Read more
Fax Addons

Want to Find Out More About Retarus Cloud Fax?

Replace Fax Servers

Move from servers to the cloud. Modernize, remove technical debt and cut costs significantly

Read more

Enterprise Cloud Fax

Find out what makes Retarus Cloud Fax the preferred choice for many of the world’s largest enterprises

Read more

Corporate Blog

Read about product developments, market news, and other updates from the Retarus cosmos

Read more

Frequently Asked Questions

How can you be sure replacing fax servers will work for my organization?

Because our Cloud Fax platform is already there and has been for decades. High performing, scalable, and dependable. All we need to do is connect your applications. Just like we have for thousands of other businesses. In the world of faxing, our experts have seen it all. And they’ll find a solution that works for you, too.

Where can I find out more about cloud fax APIs?

Check out our API Knowledge Center. Or just give us a call. Your choice. We’re here for you either way.

What references do you have?

Market leaders in all industries over the world count on us, for example B Braun, Merck and UPS. Feel free to check out our case studies to find out more.

Where can I find out more?

Visit our Cloud Fax overview page. Read our case studies and analyst reports. Check out our corporate blog and upcoming webinars, and feel free to book a demo. We’re always happy to help.