Using TCP to SMS makes any android mobile phone into an SMS gateway / SMS server
Just send TCP data to the phone and an SMS will soon follow.

**** TOTALLY FREE, NO ADS, NOT LOGGING/SAVING ANY PRIVATE INFO,
**** IN APP GOOGLE ANALYTICS ONLY FOR MONITORING APP USAGE.

The app runs in the background as a service, even if you exit the app itself.

WARNING: Since this app sends REAL SMS you are subject to extra billing by your carrier.
WARNING:  Please make sure that by using this app you are not violating any local laws (SPAM, privacy etc.)
WARNING: This app may drain your battery and it is recommended that the android device will be constantly connected to a power source.

You can easily test the app using this useful tool http://sockettest.sourceforge.net/

if you are using TCP protocol, all you need to do is to send the following pattern in order for
the app to send the SMS.

Pattern: (string to send to the port)
SENDSMS;PhoneNumber;Msg

you may choose the port as long as it in the range of 1024-65535

The arguments are separated by ; (semicolon)