With Connexus we have a single supplier who has delivered all of our IT, telephony and mobile requirements. In our line of business it is essential to maintain a robust and secure infrastructure and Connexus provide that for us. They manage the entire infrastructure on a day to day basis allowing us to concentrate on our client projects.

Steve Ingram, Oxand Ltd

SIP Trunking

SIP Trunking is our standard replacement for traditional ISDN. It connects your phone system to the public phone network via broadband, ethernet or leased lines into our national network provider.

Our SIP Trunks work seamlessly with our portfolio of Avaya IP Office onsite phone system solutions.

The service can support connections ranging from two channels for small PBX-equipped businesses to an unlimited number of channels for large enterprises and contact centres.


Benefits of SIP Trunking


  • Scale channels up and down
  • Built in business continiuty
  • Cost effective versus ISDN
  • Geographic Number Flexibilty
  • Instant Provisioning


Our Experience

With our knowledge of deploying telecom and IT solutions we are able to offer a complete end to end SIP trunking solution.


  • Deployment of convereged voice and data connectivity to support SIP Trunking
  • Managed Firewall solutions to include secure SIP connectivity
  • Indepth knowledge of deploying Avaya Telephony and SIP trunking

Get in touch by calling 01453 827700 or