The hotel waiter will check your previous background. Did you ask the candidate to provide your mobile phone number?

Yes According to the relevant public information inquired, after obtaining the preliminary personnel affirmation, the applicant, as a candidate, needs to submit the contact number of the referee and authorize the consent of the background investigation. The telephone number provided is called ring-back tone telephone, which means that the candidate provides the telephone number of the referee, and the professional ring-back tone company will visit the referee according to the provided telephone number and some information about the candidate's work.