We're known for our fast, reliable, and user-friendly analog modems that help connect a generation.
Use our education essentials to learn about Courier® business products, the Courier® modem brand, how modems work, and how to choose the one that's right for you.
Updates, drivers, manuals, and other resources to optimize your product's performance and enhance its functionality.
USR is a leading provider of global connectivity hardware, trusted by millions of businesses and consumers for over 4 decades.
Call Director Pro Out-of-Band Dial-up Gateway and Telephony Firewall
User Guide (PDF) Data sheet (PDF)
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