You can only call and leave messages to catch Johns?

Those who engage in prostitution and whoring shall be detained for more than 10 and less than 15, and may be fined less than 5,000 yuan; If the circumstances are relatively minor, the detainee shall be fined not less than five days but not more than five hundred yuan. Whoever solicits prostitutes in public places shall be detained for not more than five days or fined not more than 500 yuan. Whoever lures, shelters or introduces others to prostitution shall be detained for not less than 10 days but not more than 15 days, and may be fined not more than 5,000 yuan; If the circumstances are minor, they shall be detained for not more than five days or fined not more than five hundred yuan.