“We’re taking the power of a business phone system and putting it directly into your native mobile experience.” — Lee Essex, Tango Networks
Las Vegas - Channel Partners Conference, 2025 - In a first-of-its-kind collaboration, Phone.com and Tango Networks have launched ProSim, a new service that enables small business users to access their unified communications (UC) features directly through their native mobile devices—without relying on apps or workarounds.
In a podcast recorded during the Channel Partners Conference MSP Summit, Doug Green of Technology Reseller News sat down with Ari Rabban, CEO of Phone.com, and Lee Essex of Tango Networks to discuss the significance of this partnership and what it means for the mobile-first future of small business communications. On April 15, the companies made their joint announcement (read the news here).
“With ProSim, we’re addressing a real gap in the UCaaS market,” said Rabban. “Apps are fine for some users, but most small business owners just want to pick up their phone and make a call—securely and professionally—with zero friction.”
ProSim brings the power of the Phone.com platform—including call routing, recording, compliance, and a second business persona—into the phone’s native dialer via Tango’s eSIM technology. That means frontline workers, healthcare providers, contractors, and other mobile-dependent users can now operate securely within a business phone system using the same device they already rely on.
As Essex explained, “We’re enabling users to work the way they already work—but smarter. With ProSim, your business number is truly native to your device, and that’s a game-changer for usability, compliance, and mobility.”
The service is designed to meet the needs of small businesses that require speed, simplicity, and security. Rabban emphasized how effortless it is to onboard: “Go to Phone.com, sign up, pick your number, and you’re up and running within minutes.”
ProSim also addresses key regulatory concerns, including HIPAA compliance and secure messaging. It allows for real-time call transfers, recordings, and business-class features—all from a mobile interface.
Both companies view this launch as the first step in a broader vision to offer AI-enhanced, mobile-first business communications.
📄 Official press releases:
• Phone.com Launches ProSim – Cloud Communications Alliance
• Telecom Reseller Coverage of ProSim Launch
📱 Learn more: www.phone.com
📶 Tango Networks: www.tango-networks.com
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