Interactive Voice Response System With Raspberry Pi 4 & SIM800L, Sim800L RPi4, RPi4 SIM800L, Raspberry Pi 4 with SIM800L, Sim800L Raspberry pi 4 A low-literate audience can nevertheless have their voices heard and their questions answered by using an IVR system, as has been proven time and time again. However, achieving such aims in a development setting calls for a cheap system that welcomes input from various parties. RASP-IVR is an inexpe ....