SBC 5200™ Session Border Controller


  • Maximum IP-IP Calls: 64,000
  • Calls Per Second: 450
  • Media Transcoding: Media Transcoding
  • H323/SIP Interworking: H323/SIP Interworking
  • TLS/SRTP Support: TLS/SRTP Support

The world's largest service providers and enterprises rely on the Sonus SBC 5210 to protect their real-time communication networks. The Sonus SBC 5210 serves a critical role in enabling and activating real-time communications. By integrating Sonus SBCs into the network, these powerful devices protect, secure, simplify and standardize real-time, SIP-based multimedia communications – including voice over IP (VoIP) and video – enabling customers’ UC vision to become a reality. Service provider and large enterprise customers need a scalable solution that can be implementable globally. The Sonus SBC 5210 is continually selected for its performance metrics and industry-leading session capacity of 64,000 sessions. For ultimate network security and unparalleled interoperability, look no further than the 5210 SBC.



Award Winning Industry for Good Reason

  • A Proven hardware architecture that offers predictable and assured performance
  • Feature-rich interworking across voice, video and collaborative without compromising performance or scale
  • Complete security for signaling and media, Including traffic policing, Denial of Service (DoS) and Distributed Denial of Service (DDoS) attack detection and blocking, and rogue Real-Time Transport Protocol (RTP) protection
  • Ensure privacy on the media (SRTP) and signaling (IPSec/TLS) path without sacrificing scalability
  • Microsoft Skype for Businuess, Lync 2013 and 2010 qualified as well as performance Miercom verified


  • 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 the 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 UC network migrations


  • Architected for scale and performance even under DoS/DDoS attacks
  • Built-in high-scale media transcoding through dedicated digital signal processors (DSPs)
  • 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



  • 64,000 simultaneous sessions

Call Set-Up

  • Maximum call set-up rate: 450 cps


  • Maximum Registrations / sec: 1,000


  • Maximum number of TLS sessions: 256,000
  • Maximum number of SRTP call legs: 128,000

Media Services

  • Transcoding 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 RTP protection
  • Line rate packet malformed protection
  • Transport Layer Security (TLS), IPsec (IKEv1) for signaling encryption
  • Secure Real-Time Transport Protocol (RTP) / RTCP for media encryption


  • 1: 1 redundant systems for the Service availability
  • 1: 1 redundant management / control ports