Unicom 5G refreshing ice cream 99 yuan stalls charge?

99 yuan's 5G refreshing ice cream costs 99 yuan a month. The package includes 400 minutes of domestic voice (except Hong Kong, Macao and Taiwan), and the domestic traffic is 20G. There is no charge for domestic answering, including caller ID. , after exceeding the package, domestic voice is 0. 15 yuan/min, SMS and MMS are 0. 1 yuan/piece, and domestic traffic is 3 yuan /g, and up to 2 supplementary cards can be processed. The monthly function fee of supplementary cards is 10 yuan/card.