Send SMS spam packing: Call *137
Fed up with SMS spam? The nice guys at the NBTC have the answer.
Just pick up your mobile and press *137 and phone out. The service is free.
Thailand’s National Broadcasting and Telecommunication Commission said that you can repeat the operation if problems persist.
If you have any further difficulties you can call 1200 press 1. This is also free.
The *137 call will work on all networks except TOT3G. In this case you must type your name – space – b then press 137 and call out. This is also free.