Calls go straight to voicemail after one ring or no rings
Your text messages are not delivered or never show a delivery status
You cannot see the person’s online status or last seen on messaging apps
Your calls always go to a busy signal or end immediately
The person does not respond to calls or messages from your number but responds to others
Your caller ID may appear as unknown or private if the number is blocked on some systems
You hear a recorded message saying the number is unavailable or cannot be completed
You can reach the person from another number but not from yours