The SVI-SBC is a state-of-the-art, cloud enabled Session Border Controller providing comprehensive network edge security for fixed and mobile service providers and large enterprise customers.

Carrier Grade SBC

The SVI-SBC Session Border Controller is a mature, proven carrier grade product for VoIP infrastructures deployed by operators worldwide, delivering peering, SIP trunks, SKYPE for Business and IMS interworking.

This feature rich SBC product provides scalability and high availabilty as standard whilst offering additional specialist fraud prevention and lawful intercept modules on request.

The SVI-SBC is fully virtualised allowing for rapid delivery into a clients datacentre or cloud environment.

  • Deployed globally by operators since 2011

  • Powerful SIP Signalling Manipulation Engine (SSME) insuring total flexibility

  • Feature rich functionality with extensive service assurance options

  • Scales to 30k sim calls at 500 cps

  • Full high availability options as standard

Key Specifications

  • 500 to 30,000 sim calls
  • 500 cps
  • Up to 250k subscriber registrations
  • Built-in Firewall
  • State of the art DDOS protection
  • Encryption -TLS, IPSec, SRTP
  • Blacklist / Whitelist
  • Access control

  • SIP, SIP-I, SIP-T, H.323
  • IPv4, IPv6

  • NAT / topology hiding
  • Comprehensive codec support


The SVI-SBC is a mature, carrier grade VoIP signalling product deployed globally in the following application scenarios:

  • Peering
    Comprehensive session control, interworking and media management

  • SIP Trunks
    The SVI-SBC provides a robust and flexible SIP trunking
    solution for operators

  • SKYPE for Business
    Support for Microsoft “Skype for Business” SIP interconnects

  • IMS Interworking
    Full support for a-sbc and i-sbc access, and interworking modes. VoLTE interconnect support

  • Real-Time Fraud Prevention
    Combat SIP based fraud in real-time with the integrated SVI-FPG Fraud Prevention Gateway

  • Lawful Intercept
    Enable ETSI, CALEA, SIPREC intercepts

  • COTS Commercial Off The Shelf
    Supplied on standard Dell servers optionally with dedicated E1/T1/STM-1 support.

  • Virtual Deployment
    Virtual Machine deployed on industry standard servers in a data centre environment using a hypervisor, i.e. VMware.

  • Cloud Deployment
    Delivered as a Virtual Network Function (VNF) in AWS or OpenStack cloud infrastructure.

Key Features

  • High Availability
    Comprehensive carrier grade redundancy options as standard


  • OA&M
    Configuration, Monitoring
    and Debugging

  • Scalability
    Distributed micro-services architecture enabling rapid scaling Dynamic load balancing

Find out what our customers
say about us...


Further Information

Download our SVI-SBC Session Border Controller Presentation

Need to interconnect to legacy SS7 services? - Take a look at our SVI-GMSC

Download our SVI-SBC Session Border Controller Datasheet

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