Hosted telephony supplier FLR Spectron specialise in business VOIP (voice over IP - voice over internet protocol) and SIP (session initiation protocol) using the new BT Hosted solution. Tel 0845 899 9900
Stonehenge is an international carriers carrier offer a full A-Z, US domestic and Canada termination, turn key white label VoIP solution, Mobile VoIp, and ratail IP products.
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