How to use Telecom’s trumpet account? Should it be used on one mobile phone, or can the main account and trumpet account be separated into two?

1. There is no physical card for the small account. One card with two numbers can be used in different user scenarios. The user's existing mobile phone number is referred to as the main number, and the number added to handle the trumpet service is referred to as the trumpet. The trumpet is only used for voice and text messaging functions and cannot handle any business independently.

2. After registering a trumpet number, operate it on the mobile business hall client. First turn on the Do Not Disturb function, so that you can make calls and send text messages with the trumpet number.

3. Afterwards, through the "Dial Pad", you can use the trumpet to make calls or send text messages, or you can create new contacts and import the address book through the address book.

4. There is also a power on and off function. After powering off, the functions of making and receiving calls and sending and receiving text messages are not available; they will be restored after powering on.

5. Tianyi trumpet can only make calls and send and receive text messages through the mobile phone version of the telecom client, and the mobile phone must be connected to the Internet. Making calls using the Tianyi small number is only entitled to the call duration in the main number package. If the main card package has been used up, the extra charges of your main card package will be charged.