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SIP lines

SIP lines offer a more flexible and lower cost alternative to ISDN for inbound and outbound voice calls.

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

Benefits of SIP Lines

SIP delivers less costly, more reliable connectivity than ISDN over an IP connection. It can save up to 50% on line rentals and 25% or more on call costs.

Perfect for medium or large organisations with multiple sites, not only will you save on your line rental and call costs, but you’ll get free internal calls within your organisation and a whole host of great features .

SIP trunks are ideal if you are moving, upsizing or downsizing and want to keep your existing numbers. Scale up lines during busy periods and back down again afterwards. You can add lines, take them away, split calls at any time. You are always in control.

SIP trunks can handle emergencies easily. They are inherently disaster recovery / business continuity ready, letting you reroute calls to an alternative location quickly and easily.

Our SIP trunks are integration tested and approved to interoperate with Microsoft Skype® for Business, allowing you to directly connect to the platform to make external calls.

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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​

What types of businesses use IP Direct Connect?
Companies looking to have disaster recovery measures in place where IP Direct Connect can back up ISDN, or vice-versa, to provide a resilient phone service to cope with any emergency.

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Businesses looking to move premises out of the local area who want to keep the number without paying for expensive call forwarding type services.

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International businesses linking offices with IP Direct Connect and taking advantage of free internal calls from one office to another.

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Customer service driven businesses where a local presence is important across the UK, and multiple UK numbers can be delivered into one single service centre.

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If this is a perfect solution for your business, please