C3 Call Session Controller

Ribbon's C3 Call Session Controller, is an intelligent multi-application call server and media gateway control platform for IMS & Non-IMS deployments. Deployed globally at the core of many operator networks, the C3 media gateway controller provides service convergence and feature transparency across a wide range of wireless, wireline, TDM, and IP networks. Solutions supported by the C3 include IPX, Peering, Intra-Network Interconnect, MGCF, MRFC, Gateway MSC, and IP Transcoding and Media Adaptation.

The highly-scalable C3 media gateway controller operates in small, large, and geo-redundant configurations to millions of Busy Hour Call Attempts. Operators can grow capacity as needed by simply adding pairs of C3 nodes to a deployed system.

C3 Call Controller Features

  • Versatile call session / media gateway / media server controller and signaling gateway for ILECs/PTTs, AOs, CLECs, Wholesale, and Mobile operators
  • Flexibility for standalone deployments and interoperable with IMS cores
  • Globally-deployed and market-proven, with carrier-grade redundancy and geo-diversity
  • Supports IPX, Peering, MGCF, MRFC, Gateway MSC, Intra-Network Interconnect, and IP Transcoding and Media Adaptation solutions
  • Advanced transit and routing services to replace legacy TDM Class 4 and International Gateway infrastructures
  • Green Technology providing significant space, cooling and power cost reductions

Related Products

Advanced Media Software (AMS)

Flexible, highly scalable, and virtual media processing and transcoding solution

G9 Media Gateway

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C3 Call Session Controller


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