According to your situation, only a six-month function fee for Shenzhouxing is more suitable. This package is like a fixed telephone charge, which is 18 per month. Then you can call 0.2 yuan for one minute, and the answer is free. There is no minimum consumption. Although the monthly fee is more expensive, compared with other mobile packages, the minimum consumption in 30 yuan is still cost-effective and should be cost-effective. In addition, you can turn off the SMS calling service of 1 yuan.