How to send messages with extensions?

The secondary number means that in Chinese mainland, a mobile phone number can be a secondary number by adding a "1" in front of it. The minor number and the main number use the same SIM card, which can * * * enjoy the call, SMS and traffic resources of the main number, but the minor number cannot be used separately.

If you want to send a message with a minor number, you need to bind the minor number to the main number first.

Open the phone settings and find the "dual card and mobile network" option;

Select "Secondary Card Management" or "Secondary Card Settings";

Click "Add Secondary Number" or "Bind Secondary Card";

Enter the secondary number and follow the prompts to complete the binding.

After the binding is completed, you can use the extension to send information. When sending information, you should pay attention to the following points:

In the SMS sending interface, when selecting "sender" or "receiver", you can select the main number or the auxiliary number;

If you want to send it to a secondary number, you need to add "1"before the number;

If you want to send it to the main number, just enter the number directly;

When sending information, different numbers need to be separated by semicolons or commas.

Matters needing attention in the use of secondary numbers

When sending messages using secondary numbers, you need to pay attention to the following points:

The minor number can only share calls, short messages and traffic resources with the main number * *, and cannot be used alone;

The short message records and call records of the secondary number will be mixed with the main number, which is inconvenient to manage;

The SMS and call records of the secondary number will not be charged separately, but together with the main number;

The use of calls, short messages and traffic of the secondary number will have an impact on the main number, so it is necessary to pay attention to controlling the usage.