To setup voicemail on Moto E22, follow these steps below
Step 1: Go to the "Phone App".
Step 2: Swipe left to show the recent calls log.
Step 3: Tap on the "3 dots" at the top right side of your screen.
Step 4: Select "Settings".
Step 5: Now touch "Voicemail" and select "Advanced settings".
Step 6: Select "Setup".
Step 7: After typing in your voicemail number, tap "OK" to confirm.
That's all. You have set up voicemail on your Moto E22.