Call Controller Products
            Experts in Network Transformation
      
            
            End-to-End Proven Class 4 and 5 Transformation Solutions & Services
      
    
            
            Virtualizing Your Core Networks
      
    
            Virtualized Access and Media Gateway Control Function Deployment Options For Service Providers
Download Analytics for C20 Solution Brief
Download our Virtual C20 Datasheet
The C20 simplifies complex architectures delivering voice and multimedia services that enable new services and revenue growth
            Call Controller Products and Solutions
      
    
            Ribbon is the market leader in Class 4/5 transformation services with three state-of-the-art and widely deployed carrier class platforms and software
| Services | C20 Call Controller | C3 Call Controller | C15 Call Controller | 
| Applications | Class 4 and Class 5 | Class 4 | Class 4 and Class 5 | 
| Server Provider Type | Tier 1, 2, and 3 | Tier 1 and 2 | Tier 3 | 
| Deployment Options | Virtualized | Virtualized | Appliance | 
| BHCA | Up to 6 Million | 1 Million (Per Server Pair) | 250,000 | 
| CS2000 Upgrade | * | ||
| DMS, EWSD, 5ESS, Collapse, Migrate and Replacement | * | * | |
| Local and Tandem | * | * | * | 
| IPX / Transcoding | * | ||
| VoLTE | * | ||
| View More | View More | View More |