Ribbon Mission Critical Defense Networks
Leaders Who Trust Us
Proven in Agencies, Ministries and Departments Worldwide
Voice - Millions of government personnel rely on Ribbon solutions every day. Ribbon solutions secure IP communications as well as deliver PBX services and unified communications. Ribbon has partnered with Microsoft for over a decade and is the only SBC approved with Microsoft Teams for JITC certified deployments. Our service provider and Nortel heritage makes Ribbon solutions ideally suited for migration of large-scale legacy TDM services to secure IP networks. Ribbon enables organizations to leverage their IP networks to decommission aging voice-only infrastructure and deliver more reliable, secure, and innovative IP communication services..
Mission Critical Solution Brochure
Transformation - Ribbon appreciates the challenge of migrating tens of thousands of employees. Our services teams have helped migrate some of the most mission-critical communications deployments in the world. We can help your organization retain the traditional services required to support your existing mission while adding modern collaboration and mobility tools that make employees more accessible and productive.
Read a case study on how the Department of Defense turned to Ribbon to update its communications.
Learn MoreIP/Optical - Defense organizations around the globe are relying on Ribbon’s IP/Optical Strategic Backbone solutions. Our Critical Infrastructure heritage and vast experience gathered in the field enables us to build networks both resilient and flexible enough to rely on in any situation.
JITC Certified & FIPS compliant
Ribbon is committed to supporting federal agencies with JITC certified and FIPS compliant solutions that drive productivity, ensure security and operate at scale. Ribbon solutions are JITC certified and FIPS compliant for:
- Enterprise Session Controller (ESC)
- Local Session Controller (LSC)
- Session Border Controller (SBC) – also Microsoft Teams certified
- Analog Gateway Solution(JITC certified only)
Ribbon elements can be deployed as a total solution or in concert with other certified elements. Unlike the competition, Ribbon’s SIP-based solutions do not lock organizations into proprietary endpoints.

FIPS Compliant and JITC Certified Products
Application Server
JITC certified unified communications server (LCS & ECS), the Ribbon AS is deployed in government agencies and departments worldwide.
- Incredible scale – up to 2 million users per instance
- Robust traditional business phone features
- AS-SIP/MLPP support
- Carrier grade reliability – 5 9s uptime, including upgrades
- SIP-based – no vendor lock-in
- Fully virtualized architecture


Session Border Controller
FIPS compliant and JITC certified SBC provides security from DoS attacks, eavesdropping and more. Widely deployed in government agencies and departments worldwide.
- Microsoft Teams Certified
- Hardware, Software or Cloud
- Carrier grade reliability - high availability deployment options
- SIP-based - proven interoperability with Cisco, Avaya, NEC, Nortel, etc.
- Up to 150,000 sessions per element
- Powerful Media Transcoding