How much is Zhengzhou 400 telephone?

Nail Zhengzhou 400 telephone charging standard, national unified price:

400 calls are shared by the caller and the called party, that is, the caller bears the local telephone access fee and the called party (400 telephone users) bears all the incoming call answering fees. 400 calls are calculated in prepaid form, and the call duration and the number of short messages sent are charged according to their respective tariff standards. The charging standard for nailing 400 calls is 0.096 yuan/minute for telephone calls and 0. 1 yuan/message. The deposit amount is 400 yuan, and the contract term is 12 months from the date of signing the contract. If the balance is used up during the contract period, it needs to be recharged, and the balance will be cleared automatically when the contract expires.