Hostcomm
Quatro House, Frimley Road
Camberley
Surrey
UK
GU167ER
Tel: 0808 168 4400
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Gamma Telecom
Victoria House
64 Paul Street
London
EC2A 4TT
Tel: 0333 240 3000
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Spitfire Technology Group
6-7 SBBC
Ponton Road
London
SW8 5BL
Tel: 0800 319 6000.
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Westlake Communications Ltd
2 Acorn Close
Pettits Lane
Romford
Essex
RM1 4GJ
Tel: 01708 776830
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If you have a business that provides UK based SIP Trunks and would like to be added here please email your request to: admin[at]sip-trunk.org.uk
