SIP trunking is a mechanism that replaces ISDN and connects your PBX to the PSTN network via internet connectivity. They can be delivered by Broadband, Fibre Broadband, Ethernet or Microwave Ethernet into our national SIP network.
Compared to ISDN, our SIP trunking service is less costly per channel and more flexible in how and where geographic telephone numbers can be used. It’s also quicker to install and provision and as standard, it delivers extremely robust business continuity.
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.
Our SIP trunks work seamlessly with each of the leading IP PBX brands in the UK market.