If you and your friends are in the same province, it is recommended to use Unicom to make "random calls": monthly rent 10 yuan, free to answer, free to make Unicom calls in the province, 0. 1 yuan per minute for other internet calls in the province, and 0.2 yuan per minute for long-distance calls.

If you and your friends are not in the same province, it is recommended to use Unicom's "Happiness B Card": the monthly function fee is 5 yuan, the caller ID is 5 yuan, and the long-distance call is 0. 12 yuan per minute, and the local call is 0.2 1 yuan per minute.