Hotel phone, external landline, the phone will be disconnected as soon as it is dialed in, but the landline can be dialed out; There is also a mobile phone that is the opposite of the above. Other pho

Hotel phone, external landline, the phone will be disconnected as soon as it is dialed in, but the landline can be dialed out; There is also a mobile phone that is the opposite of the above. Other phones are busy. 1. Check whether the mobile phone is in arrears, and suggest to pay for recharging;

2. Check whether the mobile phone is set with call forwarding, flight mode on and call barring. Suggest canceling and try again;

3. Check whether the function or signal of the mobile phone is normal. It is recommended to change your mobile phone or location and try again.

4. If roaming to other places can't be used, it is recommended to check whether the local network signal is normal and whether the number has been roaming;

5. Try restarting or changing your mobile phone to see if you can answer the phone;

6. Bring your mobile phone card to the local business hall for testing or replacement.