Answer:Method 1: Fix Your Android Phone Call Problem in A Quick Way
Method 2: Restart Your Phone
Method 3: Check Auto Reject List
Method 4: Check Safe Mode
Method 5: Check SIM Card
Method 6: Reset the Network Settings
Method 7: Reset APN (Access Point Names) Setting
Method 8: Factory Reset Your Phone
Method 9: Contact Your Carrier
Explanation:
b
