How to register GaanTxt10 - Talk 'N Text Promo 2013

Talk 'N text Promo which is called GaanTxt10, for just 10 pesos of load you can now
send 100 text messages to your friends and textmates. Plus a 10 text messages to all network, it is valid for 1 day of use.

In summary details if you register this promo, you have 100 text messages, 10 text messages to all network, valid for 1 day.

I registered this promo by using this code, I typed GT10 and I send it to 8855. After send the text messages I automatically recieved a message from Talk 'N Text that I successfully regitered.

take note, 1 peso of airtime balance are also required to continue using this promo.