Learn about our JITC certified VoIP and Unified Communications Solutions

Ribbon is a leading provider of JITC Certified Communication Solutions. Deploy our Session Border Controllers and Application Servers as part of an end-to-end solution or as part of a Microsoft Skype for Business migration.

Ribbon has the people and products required to migrate legacy PBX systems to the latest VoIP technology. Ribbon solutions use industry-standard SIP to simplify integration and migration, while protecting your long-term investments.


Ribbon’s JITC Certified Application Server shares a common heritage with the Nortel AS 5300 R2.

Our R&D teams have spent nine years and millions of dollars enhancing our solution.

  • Fully virtualized with hardware freedom
  • Next generation VoIP and UC services
  • Legendary reliability with hundreds of PBX features
  • Massive scale – 2 million lines per instance
  • Open SIP  - no proprietary end points
  • Cloud ready --deploy on-site or in a private cloud
  • Familiar Nortel administration and user experience
  • Preserve endpoints and cabling with Ribbon's JITC Certified G5 high density analog gateway

Ribbon's JITC Architecture

Ribbon Application Server is private cloud ready with JITC Certification for Enterprise Session Controller (ESC)!

Enterprise Session Controller (ESC)

Local Session Controller (LSC)

Why Ribbon?

Ribbon is a global leader in real time communications software solutions for service providers, enterprises and systems integrators in over 80 countries. Our Application Servers and SBCs are purposefully designed for mission critical communications – providing secure access to command and control structures.

No Proprietary Phone Lock-In

Choose SIP or ASSIP devices from industry leaders
Better value and long term investment protection
Reuse Avaya/Nortel 1100 series phones