How to transfer this mobile accepted SMS to Unicom's mobile phone?

You can't transfer this, but you can transfer it by phone.

Mobile phone settings call forwarding:

1, first enter the settings menu of the mobile phone, and select call settings from the menu. If it is a multi-card mobile phone, select the mobile phone card to transfer the call and set it.

2. After entering the sim card setup menu, select the call forwarding option.

3. Every time you enter this option, the system will get the current call forwarding settings from the service provider.

4. There are four situations of call forwarding, one of which can be enabled as required. In general, fourth call forwarding is enabled by default.

5. After selecting the call forwarding method, you can select the contact person or manually enter the number, but the number entered manually needs to be preceded by +86. Then confirm and update the settings to the operator.