How to change the mobile phone into a card-inserted landline?

Buy a wireless landline, insert a mobile phone card, configure a wireless landline, register a wireless landline, and use a landline.

1. Buy wireless landlines: You can buy wireless landlines supporting mobile phone cards in mobile operators or electronic markets. The appearance of this kind of landline is similar to that of ordinary landline, and the mobile phone card is used as the communication module inside.

2. Insert the mobile phone card: Insert the mobile phone card into the card slot of the wireless landline. Wireless landlines usually only support cards of a specific carrier, so please ensure that the mobile phone card is compatible with landlines.

3. Configure the wireless landline: Set the dialing mode and network settings of the wireless landline according to the instructions. Generally speaking, a wireless landline needs to select a specific APN (access point name) and dialing number, which can be obtained from the operator.

4. Registration of wireless landlines: Some wireless landlines need to be registered with operators in order to realize functions such as caller ID and long-distance call. Contact the operator to consult the specific registration process.

5. Use landline: After configuration, use wireless landline to make calls and receive short messages. The call quality and signal stability of wireless landline are affected by the mobile phone card and the surrounding environment.