How many free calls are there in 99 yuan Ice Cream Package?

99 yuan stalls 4G refreshing ice cream package for free use (Jiyuan and Zhengzhou have stopped selling). The monthly fee is 99 yuan. This package includes 300 minutes of domestic voice (except Hong Kong, Macao and Taiwan) and 20G of domestic traffic. There is no charge for domestic answering, including caller ID. Beyond the package, domestic voice is 0. 15 yuan/minute, and SMS MMS is 0. 1 yuan/piece. The stream outside the package can be used freely: 0. Up to 2 sub-cards, monthly fee 10 yuan/month/card, excluding all kinds of voice and traffic resources; Promotion policy for the number 4 sub-card: 5 yuan/month * 12 months.