Try the following steps by step:
1. Check hidden auto‑answer triggers
- Open Settings ➡️ Accessibility ➡️ Touch ➡️ Call Audio Routing
- Set to Automatic.
- If it’s on Bluetooth Headset or Speaker, the phone may auto‑answer.
- Open Settings ➡️ Accessibility ➡️ Voice Control
- Turn Voice Control off. Background noise can trigger “answer call.”
- Open Settings ➡️ Face ID & Attention
2. Fix the “call blocked” message
- Open Settings ➡️ Apps ➡️ Phone ➡️ Silence Unknown Callers ➡️Turn it off.
- Open Settings ➡️ Apps ➡️ Phone ➡️ Call Blocking & Identification .Turn everything off temporarily. Third‑party spam filters cause exactly the message your callers hear.
- Open Settings ➡️ Apps ➡️ Phone ➡️ Blocked Contacts . Make sure the callers aren’t being added automatically
3. Reset carrier call‑handling rules
- Open Settings ➡️ General ➡️ Transfer or Reset iPhone ➡️ Reset ➡️ Reset Network Settings (Does not erase data; you’ll just re‑enter Wi‑Fi passwords.)
4. Restart the iPhone
Axel F.