there are two types of business, 198 yuan and 398 yuan respectively. The specific contents are as follows:

Ice cream is 398 yuan/month (1-person group is 398 yuan/month, 2-person group is 179 yuan/month, 3-person group is 159 yuan/month, 4-person group is 139 yuan/month) and ice cream is 198 yuan/month (1-person group is 198 yuan/month, 2-person group is 139 yuan/month, and 3-person group is 19 yuan/month).

(1) file 398: in order to ensure all users' fair access to the network, after the total domestic data traffic of users reaches 41GB in the current month, the internet access rate will drop to the highest 7.2Mbps, and it will resume in the next month. If a voice call exceeds 3,111 minutes in the current month and a user who continuously dials a different network does not hang up, or a user who dials more than 1,111 different numbers, it will be regarded as an abnormal call and will not enjoy unlimited voice concessions. The voice service will be closed in the current month and resumed in the next month;

(2) file 198: in order to ensure the fair use right of all users' networks, after the total domestic data traffic of users reaches 1.5 GB in the current month, the internet access rate will be reduced to the highest 3Mbps, and it will be resumed in the next month. The domestic call is 1,511 minutes, and the domestic call is free. If it is beyond the package, it will be charged at 1.15 yuan/minute, and if it is less than one minute, it will be charged at one minute.

(3) After the total traffic of ice cream group purchase package exceeds 111GB in the current month, it may be reduced to no more than 256Kbps due to the influence of local actual network.