SBC 5400™ Session Border Controller


  • Maximum IP-IP Calls: 75,000
  • Calls Per Second: 700
  • Media Transcoding: Media Transcoding
  • H323/SIP Interworking: H323/SIP Interworking
  • TLS/SRTP Support: TLS/SRTP Support

The SBC 5400 is the ultimate enterprise and service provider session border controller platform that advances today’s and tomorrow’s real-time communications. With a seamless, software license ability to upgrade from 2GB to 10GB of multimedia traffic, the Sonus SBC 5400 provides all the features you need in an SBC today—robust network security, sophisticated routing and policy management, overload controls, SIP normalization—plus the features you’ll need tomorrow, such as IPv4-IPv6 interworking, multi-modal communication, built-in media transcoding, with assured performance and scale under heavy traffic.

As the newest member of Sonus’ award-winning SBC portfolio, the SBC 5400 is specifically designed to address the unique real-time communications business challenges for security, interoperability, and reliability. It is ready made to address everything from voice, video, UC & C WebRTC, and mobility in enterprise and service provider deployments.




  • Up to 75,000 simultaneous sessions with media

Call Set-up

  • Maximum call set-up rate: 700 cps


  • Maximum Registrations / sec: 1,250


  • Maximum number of TLS sessions: 375,000
  • Maximum number of SRTP call legs: 150,000

Media Services

  • Transcoding G.711, G.722, G.723, G.726, G.729A/B, AMR-NB, AMR-WB EVRCB0, ERVRC0, iLBC and OPUS
  • Wireline, wireless, wideband and clear-channel codec pass through
  • VAD, Silence Suppression, Dynamic Jitter Buffer, DTMF/Tone Relay/RFC2833/RFC4733 interworking
  • NAT/NAPT on media
  • Tones and announcements
  • Local Ring Back Tone (LRBT) support with centralized PSX Policy server
  • RTP inactivity monitoring
  • Video codec relay
  • Message Session Relay Protocol (MSRP)


  • Back to Back User Agent (B2BUA)
  • SIP, SIP-I/SIP-T, SIP/H.323
  • SIP protocol normalization/protocol repair; SIP message manipulation
  • NAT/NAPT on signaling
  • Binary Floor Control Protocol (BFCP)
  • Far-end camera control (FECC)


  • Session aware firewall; topology hiding
  • Line rate DoS/DDoS and rogue Real-Time Transfer Protocol (RTP) protection
  • Line rate malformed packet protection
  • Transport Layer Security (TLS), IPSec (IKEV1) for signaling encryption
  • Secure RTP/RTCP for media encryption

Protocol Support

  • IPv4, IPv6, IPv4/IPv6 interworking
  • SSH; sFTP
  • UDP, TCP
  • NTP per RFC 1708

Intelligent Routing Controls

  • Embedded policy/routing engine
  • Optional centralized policy/routing via Sonus Centralized Policy Server (PSX Server) using Diameter+
  • Screening, blocking, routing, presentation, call type filters
  • Route prioritization
  • Leading digit routing; international routing; URI based routing
  • Digit/parameter manipulation
  • E911 support; Priority Call handling


  • 1:1 redundant systems for service availability
  • 1:1 redundant management/control ports

Features & Benefits

The Sonus SBC 5400 is a proven hardware architecture that offers predictable and assured performance with scalability up to 75,000 anchored media sessions. The SBC 5400 offers a simple embedded GUI and a real-time dashboard that monitors KPIs. Customers have their choice of 2x1GB, 4x1GB or 1x10GB IP Interfaces based on a simple software license.

  • Limits CAPEX with scalable performance and capacity - SBC scales from few thousand sessions to 75,000 simultaneous sessions with just software license upgrade.
  • True multimedia SBC support for audio, video and collaboration with advanced security, priority, identity and service quality capabilities – without compromising performance or scale
  • All product features may be enabled and operational at the same time, including encryption
  • Certified SIP interoperability with the industry’s leading solutions, including multi-vendor IP-PBX interoperation
  • protection from attack and theft of service; delivers high performance even during DoS attacks
  • Enables IPv4 and IPv6 networks to work together seamlessly with no other upgrades required
  • Embedded policy and routing to provide enhanced network optimization
  • Can be deployed as an interconnect SBC between two service provider networks, as an access SBC between a service provider’s core and access networks, and as an enterprise SBC for secure SIP trunking
  • IP-PBX and Cloud UC network migration
  • Skype for Business, Microsoft Lync 2013 and Lync 2010 qualified for SBC deployment
  • FIPS-140-2 Certified