SIP Trunking

The cost-effective and flexible alternative to ISDN – we work with your existing system and network to ensure a smooth deployment and onboarding process.

SIP Trunking - Reduce Costs

Reduce Costs

IP connectivity costs less than ISDN. This can be explained through lower call costs, free internal calls and lower line rental costs for multi-site ofices. Converge with internet access and reduce costs even further.

SIP Trunking - Increase Flexbility


Quickly and easily increase or reduce channel capacity. Move office and keep the same geographic number or answer multiple UK regional numbers at a single location when a local presence is important.

SIP Trunking - Increase Reliability


Keep your business running in a disaster, emergency or if you need to load balance your calls between sites during peak hours.

The multiple benefits of SIP Trunking

SIP Trunking - Flexibility with phone numbers

Flexibility with phone numbers

SIP trunking enables you to move office and keep the same geographic number without any ongoing call-forwarding costs or those associated with producing new company stationery.

SIP Trunking - Resilience


SIP Trunking provides a phone service that will cope with any situation and give you business-grade resilience for your telephony. Whether you need to keep your business running in a disaster or emergency or you need to load balance your calls between sites during peak hours, SIP trunking delivers.

Business continuity

If your office has to be temporarily relocated in an emergency, this can  be achieved quickly and cost-effectively with SIP trunking to keep your  business working.

SIP Trunking - Seasonality


SIP Trunks are valuable for businesses  with seasonal voice capacity requirements where  more lines need to be quickly and easily implemented with no long-term commitments, for example when running sales campaigns or during major sports or entertainment events. Unlike ISDN, SIP trunks are a highly cost-effective system that can be scaled up and down according  to the requirement, enabling more effective use of IT  team resources by making the provisioning of new  users with voice and data systems quick and easy.

SIP Trunking - Line Rationalisation

Line Rationalisation

For businesses with multiple sites,  SIP trunking provides the opportunity for line rationalisation and reduces the  number of PBXs you need to maintain – while retaining full control of the  numbers associated with your business.

SIP Trunking - Save Money

Save Money

IP connectivity costs less than ISDN with lower call costs, free internal calls between extensions and offices and lower line rental costs for multi-sites. Also, no expensive call-forwarding costs are required should you relocate or need  to divert calls in the event of a disaster.

How SIP Trunking works…

How Sip Trunking Works

SIP trunking is currently the fastest-growing telephony service. SIP Trunks provide a highly-flexible alternative to ISDN and are compatible with all the leading IP PBX brands, giving you peace of mind that your PBX hardware works with the network service.

Compared to ISDN, SIP Trunks are cheaper on a per-channel basis and more flexible in terms of what telephone numbers you can have and the locations in which you can have them.

In addition, they are quicker to install and offer a robust business continuity service that ensures your business never loses any calls

Need Internet connectivity?

Why not use the same data line that connects your SIP Trunks?

One less connection, one less bill!

Check out Converged Connectivity
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