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SS7 Protocol ConverterSS7 Protocol Converter

The SVI 9220 provides, at its core, a powerful, scalable SS7 to SS7 Protocol Converter delivering high performance SS7 Signalling only conversion with support for up to 128 SS7 Signalling links, dual redundancy and fully featured OA&M.


The SVI 9220 SS7 Protocol Converter is supplied as standard with the following operating functionality :-

MTP Configurations


  • ITU-T Q.701-707
  • ANSI T1-111.1-111.8
  • NTT Q.701-704
  • JT-Q.701-704
  • Chinese GF 001-9001
  • PNO-ISC/SPEC/005


  • 128 Signalling Links
  • 32 Originating Point codes
  • 128 Linksets
  • 1024 Destination Point codes


  • A,B,C,D,E,F link support
  • Full MTP Routing Capabilities
  • 14, 16, 24 bit termination and conversion
  • Any variant to any variant
  • Simultaneous multiple variant support

SVI 9220 MTP configurations

Physical Interconnect

SVI 9220 Physical Interconnect

TDM Interconnect

  • E1,T1, J1 (configurable)
  • T3, DS3
  • STM-1
  • Up to 31 signalling links per E1 interface
  • Up to 23 signalling links per T1
  • DACS Cross Connect across up to 64 Interfaces


  • M2PA
  • M2UA
  • M3UA
  • SUA


  • Simultaneous Termination of TDM and SIGTRAN
  • Simultaneous conversion between all variants

Operation, Administration and Maintenance (OA&M)

Web based GUI

Web Based GUI

The globally deployed SVI platform empowers its users with an advanced level of expertise and functionality.

Building upon the SVI command line interface the web based GUI brings the user powerful tools to manage system resources, ensuring swift new user adoption and delivering a real-time OA&M, offering:

  • Dashboard interface
  • Wizard library
  • Customisation - via XML
  • Secure multi-user features
  • Extensive help resources
  • Compatibility with the entire SVI range


Real time system setup, onboard resource and call routing management


Comprehensive statistical service monitoring and system status tool


Rapid tracing, diagnosing and CDR analysis compatible with Wireshark and Ethereal

Command line interface

Command Line Interface

Expert user tools accessed through wide vocabulary of command line queries via high speed MMI interface.


  • High speed real time configuration
  • Full ‘secure’ remote access


  • Low Level MMI Interface
  • Full onboard database inspection and control
  • Real time resource status display
  • Controlling system recourses


  • Configurable logfiles, capturing all aspects of system performance
  • Compatible with Wireshark and Ethereal for full graphical protocol traces


  • Extensive onboard CDRs and statistics generation
  • Call minutes, ASR, PDD, ACD, etc
  • Resource Statistics
  • Trap Reports Network

Network Monitoring

  • Trap capture
  • Statistic monitoring, graphing and alarming


  • 1+ 1 Dual Plane Worker / Hot Standby
  • Database and signalling information check pointed between planes
  • Replicated Hardware and Software
  • Eliminates Single Points Of Failure
  • Five Nines up time (99.999)
  • Single Point code spread across dual plane architecture
  • Single OAM interface over VIP address
  • Real Time Maintenance Upgrades

SVI 9220 Redundancy


SVI 9220 Security


  • Integrated Firewall
  • Username, password protected
  • Secure external protocols used for access (SSH, SCP)
  • Reports on unauthorised access
  • Client challenge procedures