0330 002 2111 info@cmc.uk.net

SIP Trunks

SIP Trunking by Challenger, a cost-effective alternative to ISDN.


SIP Trunking utilises a fast IP connection and ties together multiple services into a single, easily manageable product.

No more leasing multiple lines across multiple locations or expensive port forwarding, simply let us set your SIP Trunking up and reap the rewards of flexible, clear and simple connectivity.

Get in touch to find out more


SIP Trunking is a cost saving, high-speed replacement for ISDN.

SIP Trunking grows with your business as you can connect your work sites, easily manage your connections and maximise your business’ digital connectivity through scalable and reliable data connections.

For flexible growth, contact us

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