Welcome to the Smartvox Knowledgebase


Smartvox is a Limited company, registered in the UK, whose main focus is the design and provision of OpenSIPS solutions for ITSP’s. Use OpenSIPS to secure your network-edge without having to pay crazy prices for a commercial SBC.

We provide outstanding expertise in this field and have extensive experience of SIP and OpenSIPS up to version 2.2.3. This is complemented by familiarity with Asterisk, Kamailio, MySQL, fail2ban, Homer, FreeSWITCH and various Linux distros. We also have a range of test facilities including cloud-based SIP servers and automated test utilities to generate or receive traffic.

The articles you will find on this web-based knowledge-base are original material derived from the results of internal research projects, almost entirely self funded. The format for the site has just been updated in 2017 to make it mobile friendly and be easier on the eye.

Smartvox is a small consultancy business providing a one-to-one friendly service. You are welcome to call and speak to me, John, to discuss your IP Telephony requirements. We can provide assistance with any of the following:

  • Consultancy for all OpenSIPS projects (configuration – system/network integration – test)
  • Design and setup of secure/resilient solutions for Internet Telephony Service Providers
  • Problem debugging assistance and Solution integration with fail2ban, Radius, SNMP, etc

Get in touch to discuss your requirements now – Smartvox Contact Details or call +44 1727 221221

The technical articles on this site are aimed at VoIP professionals and other users of open source VoIP products. They are organised in categories for ease of navigation. Use the Category headings shown on the right or the tabs along the top of the page to find the information of interest to you. Please also use the coloured voting buttons for feedback at the end of each article – or leave a comment. Your feedback is encouraged and is most welcome.

Happy browsing.

John Quick, Smartvox Limited, April 2017.