CIS Secure Unveils TSG-Certified DTD-9861 VoIP Phone

Ashburn-based CIS Secure has expanded its secure communications portfolio with the DTD-9861, a TSG-approved VoIP endpoint designed for government and defense environments. The device integrates Cisco’s PhoneOS with specialized hardware-based security to support hybrid work models while maintaining strict compliance in controlled-access spaces.

Money Talk·July 23, 2026·reads: 590

CIS Secure Unveils TSG-Certified DTD-9861 VoIP Phone

The DTD-9861 functions as the successor to the Cisco 8841, offering a modernized interface for organizations utilizing Webex Calling, Cisco Unified Communications Manager, and various SIP-based platforms. By combining Cisco’s runtime protection with CIS Secure’s proprietary positive-disconnect capabilities, the device addresses the hardware and software vulnerabilities inherent in high-stakes operational environments.

Rick Khan, Director of Product Management at CIS Secure, noted that the unit provides a scalable solution for national security missions that require both modern workflow efficiency and rigorous protection. The company, an NSA-certified TEMPEST manufacturer, continues to focus on integrating secure collaboration tools for the Department of Defense and the wider Intelligence Community.