Felltech manufacture and sell OutboxSMS which is an SMS gateway appliance.SMS is a simple appliance that allows 2 way SMS communication by email. Send SMS:- Simply as email from your PC, no need to use your phone.- Directly from your own computer - no dependency on SMS service providers.- Cheaply no third party service charge. Start saving money within weeks.OutboxSMS connects wirelessly direct to the mobile phone network, so if you lose internet connection, you can still send and receive messages.