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SIP Trunks

IT Support & Services For Businesses Large & Small

In simple terms, SIP trunks offer a more flexible and reduced cost alternative to ISDN for both inbound and outbound voice calls.

SIP trunking is a replacement for traditional ISDN based on industry standards. It connects your PBX to the PSTN via a broadband connection, ethernet connection or via private circuit into our national network.

Compared to ISDN, SIP trunking costs less per channel and is more flexible in how and where geographic telephone numbers can be used. It is also faster to install and provision and, as standard, it delivers extremely robust business continuity.

The SIP trunk service can support multiple connections ranging from just two channels for small PBX using businesses to an unlimited number of channels for the large enterprise businesses and call centres.

The SIP trunks we provide work seamlessly with all of the leading IP PBX brands in the UK market right now. 

Any business equipped with a PBX can switch to over our SIP trunking service and will immediately benefit from a much more flexible, less expensive and more robust telephone service.

Don’t have a PBX? Why not consider our hosted phone system.

The benefits of SIP Trunks

Save money on your call costs and line rental charges

SIP delivers a less costly, more reliable connectivity than standard ISDN over an IP connection. It has the potential to save up to 50% on line rental charges and 25% or more on your call costs.

Free internal calls and great business features

SIP Trunking is ideal for medium or large organisations that have multiple sites because not only will you save on your line rental charges and call costs, you will also get free internal calls within the organisation and a whole host of great business-grade features.

Scale your service up and down as required

SIP trunks are an ideal solution if your business is moving, upsizing or downsizing and want to keep your existing telephone numbers. As a business you are able to scale up your available lines during busy periods and can reduce them back down again afterwards.

Business Continuity

SIP trunks are able to handle emergencies very easily. They are inherently disaster continuity ready, allowing you to reroute calls to an alternative location quickly and easily.

Compatible with Skype® for Business

The SIP trunks we provide are integration tested and approved to work with Microsoft Skype® for Business. This allows you to directly connect to the platform to make external calls.