One Call Now vs. D4H

One Call Now is one of OnSolve’s market-leading mass notification systems that enables groups and organizations of all sizes and types to send important messages via voice, text, mobile app and email to groups—all through a simple click or call. When you need to get the word out quickly—regarding severe weather, utility outages, school closures and more—One Call Now makes it easy to create and send alerts from anywhere.

D4H simplifies crisis and emergency management, helping organizations worldwide improve preparedness, response, and recovery. Our highly customizable and easy to use platform offers real-time collaboration, critical alerting, and comprehensive team and equipment management tools. From pre-built plans and digital forms to live status boards and multi-channel notifications, D4H empowers faster, more effective incident response. D4H is trusted by government, public safety, emergency management, oil & gas, pharmaceutical, aviation, corporate, and healthcare organizations globally.