Description
The AudioCodes Mediant 4000B High-Availability SBC Pair (M4KB/BASE/R/AC/TAA) delivers a robust, redundant, enterprise-grade solution for securing and optimizing VoIP and SIP communications. Designed as a 1+1 redundant HA pair, this system ensures continuous operation even during hardware, network, or service interruptionsāideal for mission-critical enterprise, service provider, and government environments.
Built to support up to 5,000 concurrent SIP sessions, the Mediant 4000B provides exceptional signaling capacity, advanced security, and full SIP interoperability. Its dual hot-swappable AC power supplies provide added resilience, while TAA compliance makes it suitable for federal and regulated deployments requiring trusted, compliant infrastructure. The platform includes enhanced perimeter defense, voice quality optimization, transcoding, SIP normalization, and extensive management capabilities for seamless integration and centralized control.
| Category | Specification |
|---|---|
| Model | Mediant 4000B HA Pair |
| Form Factor | 1U Rack-mountable |
| Max Signaling Sessions | 5,000 |
| Max RTP/SRTP Sessions | 5,000 |
| Max Transcoding Sessions | 5,000 |
| Registered Users | Up to 20,000 |
| High Availability | 1+1 Redundant SBC pair; active calls preserved during failover |
| Interfaces | 8 Ć 100/1000 Base-T Ethernet ports |
| Security Features | DoS/DDoS protection, SIP firewall, TLS/DTLS/SRTP, topology hiding, bandwidth control |
| Certifications | FIPS 140-2 Level 1; TAA Compliant |
| Interoperability | Full SIP B2BUA, SIP normalization, transcoding, digit manipulation, Direct Routing certified |
| Voice Quality Enhancements | Echo cancellation, jitter buffer, PLC, transrating, voice gain control |
| SIPREC Support | Audio & video SIP recording |
| WebRTC Gateway | Browser-to-SIP interworking with Opus, VP8, DTLS, WebSocket |
| Management | GUI, CLI, SNMP, REST API, CDR, OVOC support |
| Dimensions (HxWxD) | 1U Ć 19" Ć 14.9" (approx. 444mm Ć 378mm) |
| Weight | Approx. 7.4 kg (16.3 lbs) |
| Power Supply | Dual hot-swappable universal AC: 100ā240V AC, 50ā60Hz |
| Operating Temperature | 5Ā°C to 40Ā°C |
| Use Cases | Enterprise voice security, SIP trunking, contact centers, government, large-scale SBC deployments |
Payment & Security
Your payment information is processed securely, and we do not store credit card details or access your credit card information.
Return Policy (Short Summary)
We offer a 30-day return window for most unopened, factory-sealed items.
Returns must be authorized before shipping back and must include all original packaging and accessories. Opened or used items are not returnable unless defective.
Some productsāsuch as custom orders, special-order items, audio gear, software, and LED video wallsāare non-returnable. Non-defective returns may be subject to a 20ā30% restocking fee, and customers are responsible for return shipping costs.
For damaged or incorrect items, please contact us immediately.
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