Here are the different options for how to enable SMS on your GpsGate Server. SMS is typical used for sending commands to GPS trackers or to send notifications and messages to users. If you don't need that you don't need SMS.
GpsGate SMS Proxy (Two-way) GpsGate SMS Proxy makes it possible to use a normal mobile phone to send and receive SMS from a GpsGate Server. This enables very low priced local SMS solutions. http://forum.gpsgate.com/topic.asp?TOPIC_ID=11370
Developers only: Integrate SMS over HTTP GpsGate Server provides a very simple and stright forward HTTP API which can be used for integration to any SMS service. http://forum.gpsgate.com/topic.asp?TOPIC_ID=11344
Developers only: Integrate using .NET If you are a developer and want to integrate other providers of SMS, please take a look at the class "GpsGate.Client.SmsProxyClient" in "GpsGate Tracking Client SDK" http://gpsgate.com/go/gpsgateserver/download.asp