Ribbon SBC 1000 Gateway - Enterprise Session Border Controller
The Ribbon SBC 1000 Gateway is a purpose-built session border controller designed for midsize enterprises and branch offices requiring robust security and extensive interoperability. This VoIP gateway simplifies migration to SIP-based networks while maintaining legacy voice infrastructure, supporting any-to-any connectivity between FXS, FXO, BRI, PRI and SIP endpoints. With flexible PSTN interface options and support for up to 192 concurrent calls, the SBC 1000 delivers enterprise-grade voice security and reliability without complex configuration.
Key Features
- Advanced session border controller functionality for SIP and TDM environments
- Flexible PSTN connectivity: up to 4 T1/E1 digital ports for PRI/BRI interfaces
- Up to 24 FXS analog ports and up to 12 FXO analog ports for legacy phone systems
- Any-to-any endpoint connectivity (FXS, FXO, BRI, PRI, SIP)
- Maximum 192 concurrent calls depending on configuration
- Enterprise-grade security with comprehensive interoperability
- License-based feature enablement without hardware replacement
- Simplified SIP migration path for existing voice infrastructure
- Designed for ease of deployment and scalable growth
Technical Specifications
| Specification |
Details |
| Manufacturer |
Ribbon Communications |
| Model |
SBC 1000 Gateway |
| Part Number |
SBC-1K-R-2P-20FSFO-GW |
| Product Type |
Session Border Controller / VoIP Gateway |
| Digital Ports |
Up to 4 T1/E1 ports (PRI/BRI) |
| FXS Ports |
Up to 24 analog FXS ports |
| FXO Ports |
Up to 12 analog FXO ports |
| Maximum Concurrent Calls |
Up to 192 (configuration dependent) |
| Supported Protocols |
SIP, TDM, FXS, FXO, BRI, PRI |
| Interface Options |
PSTN, SIP, analog, digital |
| Feature Deployment |
License-based enablement |
| Target Market |
Midsize enterprises, branch offices |
Frequently Asked Questions
What is a session border controller and why do I need one?
A session border controller (SBC) is a network security device that manages voice and video calls between enterprise networks and service providers. The Ribbon SBC 1000 protects your network from threats, ensures call quality, and enables seamless communication across different phone systems—essential for enterprises migrating to SIP or managing hybrid voice environments.
Can the Ribbon SBC 1000 work with my existing phone system?
Yes. The SBC 1000 supports any-to-any connectivity between FXS, FXO, BRI, PRI, and SIP endpoints, making it ideal for businesses with legacy analog or digital phone systems. It simplifies migration to SIP-based networks without requiring immediate replacement of existing infrastructure.
How many concurrent calls does the SBC 1000 support?
The Ribbon SBC 1000 supports up to 192 concurrent calls depending on your specific configuration and port setup. This capacity makes it suitable for midsize enterprises and branch offices with moderate to high call volumes.
Can I add features without replacing hardware?
Yes. The SBC 1000 uses license-based feature enablement, allowing you to activate advanced capabilities without hardware changes. This approach reduces costs and simplifies future upgrades as your business needs evolve.
