A carrier grade softswitch allowing fixed, converged and wireless operators to offer a range of next generation services over SIP. It can be easily extended to deliver new services, and is built upon open interfaces to ease integration while delivering carrier grade scalability and availability as standard.

Flexible Carrier Grade Softswitch

The SVI-C5 Class 5 Softswitch is delivered as an additional module on Squire Technologies Session Border Controller product the SVI-SBC providing comprehensive security and Class 4 switching as standard.

With integration flexibility from a range of industry standard interfaces the SVI-C5 softswitch provides fixed, converged and wireless operators with the opportunity to rapidly offer a range of next generation services.

  • Flexible SQL Development Kit

  • White-labelled subscriber web portal

  • Providing comprehensive security and Class 4 switching

  • Secure IP border

  • Intelligent call routing

  • Support for Centrax services

  • Billing Integration

  • Supports a range of open interfaces


The Squire SVI-C5 comes with a comprehensive set of standard features provided out-of-the-box:

  • Unconditional Forward
  • Forward on Busy
  • Forward on No Answer
  • Reject Anonymous Call
  • Caller ID
  • Speed Dials
  • Selective Call Acceptance
  • Selective Call Rejection
  • Call Pick Up
  • Centrex
  • Do Not Disturb
  • OnNet Only
  • National Only
  • Call Groups
  • Auto Attendant
  • Music on Hold
  • C5 Voicemail
  • Follow Me
  • Extension and DDI Support
  • Fixed Line Dialling


Provision new features using Squire Technologies flexible SQL Development Kit (SQL SDK). This can be utilised to rapidly deliver new and unique products and services to you customers, using either your own in-house resources or alternatively using Squire Technologies experienced provisioning teams.


  • Management and Monitoring
    Comprehensive web based SVI-MS Management system delivering on-board configuration, monitoring and debugging facilities. Full SNMP v1, 2 and 3 supports.

  • High Availability
    Carrier grade reliability supplied through comprehensive range of high availability options.

  • Billing
    Billing is provided by tight integration with industry leading Billing and OCS platforms over RADIUS, DIAMETER and via comprehensive CDR’s. Talk to our team to discuss our most up-to-date range of integrated billing platforms.

  • Open Interfaces
    The SVI-C5’s Open Interfaces provides support for a range of industry standard interfaces HTML, SMTP, SOAP, XML, SQL allowing integration into clients OSS/BSS infrastructure.

  • Performance
    The Squire Technologies SVI-C5 Softswitch supports from 500 to 30,000 sim calls

  • Cloud & COTS Delivery
    The SVI-C5 can be supplied on standalone servers, installed on client-supplied hardware and is fully NFV compliant allowing delivery on a range of cloud native platforms.

  • 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.

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Further Information

Need to breakout to Mobile or Fixed Network? Take a look at the SVI-GMSC

Related Product
Session Border Controller

Download our SVI-C5
Softswitch Presentation

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