i have GSM, and i apply the Example in program " SendSMS " in this Example, you can send any massage to any phone number, but should be write the phone number in Serial Monitor the number you want send massage , but I want to send a message without having to type the phone number in serial monitor " Direct send ", how can i do that ?
By looking in the code for the part that accepts the phone number as input, and hard coding the phone number instead. Did you look at the code?