HI, frist of all, sorry for my English 
..so i'm new into this site..
I've a question.. my phone glass in crashed and now i've an old no*ia ;D it's awesome , but i need whatsapp.so i've used arduino and GSM shield for comunicate with phone.now how I can to send and receive whatsapp from arduino for (re)send(and receive) same message text with sms to my phone? thanks