dear friend(vishal)! | Electronics › Electronics › Problem with GSM SIM900 module › dear friend(vishal)! March 5, 2013 at 8:39 pm #9253 hazrat aliParticipant dear friend(vishal)! you should wait for awhile ….until CALL READY comes on hyperteminal ….then check out your commands…..also check your power supply either i give correct voltage and current to your module…
