Excuse me, what does the short message in Tianyi 4G building block bag mean?

SMS in the 4G building block package refers to domestic point-to-point SMS, which does not distinguish between networks, excluding Hong Kong, Macao and Taiwan.

China Telecom's 4G building block package is a mobile phone package consisting of voice module, traffic module and optional package.

The voice module is a mandatory template of the package, including 8 gears; The flow module is also a required module of the package, including 8 gears. Optional packages in the package include SMS package, free-time traffic package and so on.

Voice module

Flow module