Using adb shell for dialing and receiving calls in android

You have to enable the Developer Options and also the USB debugging

We can use adb to trigger a call, receive incoming call, see the below adb commands

For dialing a call using activity manager adb shell am start -a android.intent.action.CALL -d tel:123456789

accept/receiving an incoming call: adb shell input keyevent 5

hang up/stop phone call: adb shell input keyevent 6