Most visible when you list the messages using the console command "messages". If you have more than one message, you'll find that there will be missing characters in the response from SIM900's serial communication.
Still looking into that (I need reliable communication with the SIM900 for the SMS commands to work).
Most visible when you list the messages using the console command "messages". If you have more than one message, you'll find that there will be missing characters in the response from SIM900's serial communication. Still looking into that (I need reliable communication with the SIM900 for the SMS commands to work).