SBC 5100™ Session Border Controller


  • Maximum IP-IP Calls: 10,000
  • Calls Per Second: 150
  • Media Transcoding: Media Transcoding
  • H323/SIP Interworking: H323/SIP Interworking
  • TLS/SRTP Support: TLS/SRTP Support

Sonus designed the SBC 5110 to be a different class of SBC: one that addresses the high session requirements of medium-to-large enterprises and regional service providers in an all-IP multimedia environment. The SBC 5110 platform (supporting up to 10,000 sessions) provides the industry-leading capabilities of Sonus’ SBC 5210 and SBC 7000: robust security, unparalleled scalability, flexible SIP session routing and interoperability. The SBC 5110 delivers superior, secure multimedia support for audio, video and data for the most demanding of enterprises and service providers.



Expect More from the Sonus SBC 5110:

  • A Proven hardware architecture that offers predictable and assured performance
  • Complete network protection from theft of service and attack, including Denial of Service (DoS) and Distributed Denial of Service (DDoS)
  • Ensure privacy on the media (SRTP) and signaling (IPSec/TLS) path without sacrificing scalability
  • Feature-rich interworking across voice, video and collaboration
  • Modular DSP design to meet the demands of Real-Time Communications
  • Microsoft Skype for Businuess, Lync 2013- and 2010-qualified as well as Miercom performance verified

Discover why the Sonus SBC 5110 was Communications Solutions’ Product of the Year.


  • True multimedia SBC support for audio, video and collaboration with advanced security, priority, identity and service quality capabilities – without compromising performance or scale
  • Scale: all product features may be enabled and operational at same time, including encryption
  • Certified SIP interoperability with the industry’s leading solutions, including multi-vendor IP-PBX interoperation
  • Modular DSP design to meet the demands of Real-Time Communications
  • Complete 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
  • Support for IP-PBX and Cloud Unified Communications (UC) network migrations


  • Proven hardware, architected for scale and performance even under DoS/DDoS attacks
  • Built-in high-scale media transcoding through modular digital signal processors (DSPs) design
  • Microsoft Skype for Businuess, Lync 2013 and Lync 2010 qualified for SBC deployments
  • Industry-leading user interface for ease of management and ongoing operations
  • Ease of provisioning and management; out-of-the-box to fully operational in record time
  • Centralized call routing and policy management for network-wide intelligence and control
  • Robust interworking tools for multiple signaling protocols (SIP, H.323 & over 80 international signaling variants) as well as both IPv4 and IPv6 devices
  • SIP Message Manipulation (SMM) allows legacy voice applications to continue working
  • Call Admission Control (CAC) to deny excessive calls based on session establishment rate per trunk group
  • Enhanced security/encryption services to protect privacy and ensure compliance
  • High availability design to ensure no loss of calls



  • 10,000 simultaneous sessions

Call Set-Up

  • Maximum call set-up rate: 150 cps


Maximum new registrations/sec: 400


  • Maximum number of TLS sessions: 10,000
  • Maximum number of SRTP sessions: 10,000

Media Services

  • Transcoding up to 10,000 concurrent calls: G.711, G.726, G.728, G.729A/B, G.723, iLBC, G.722, G.722.1, AMR-NB, AMR-WB, EVRCB0, EVRC0, Opus
  • Supported video codecs: H.264 AVC, H.264 SVC, H.263+; H.263, H.261, VP8


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


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