You can use DDMS in Eclipse, Android Device Monitor in Android Studio or run command lines on terminal
Using DDMS:
- Open DDMS/ADM
- in Eclipse: Window > Open Perspective > DDMS
- in Android Studio: Tools > Android > Android Device Monitor
- Enter the fake incomming phone number
- Choose “Voice”
- Press call
After that, you will see the emulator receive this phone call as follows
Using command lines
$ telnet localhost 5554
$ gsm call 123456789
Note: 5554: console port number for emulator instance
12345678: incoming phone number