How do you charge for calling and texting between China Unicom and China Mobile?

The call and SMS charges between China Unicom and China Mobile are charged according to the currently used package standard.

Unicom has many packages, and different packages charge different fees. Calls to local mobile phones are charged according to the local phone standard in the package, and calls to foreign mobile phones are charged according to the long-distance tariff. If there is no free SMS in the package, it will be charged at 0. 1 yuan.

For specific tariff suggestions, call the operator's customer service directly, and ask the manual service to inquire through the background system.