Wither invite, this problem that you ask about says simple complex also, say complex simple also, what is the motive that sees you? If you do one's proper business to know Id number of someone only, do not know telephone number, urgent need telephone number contacts this individual, very simple way can come true, if not be one's proper business, that is to say not quite essential, that is complex, nobody helps you because mobile phone number also attributes individual privacy information,take someone's telephone number, divulging individual information illegally is illegal behavior; Will look to only Id number has what channel to be able to take telephone number easily below. 
If you do the one's proper business with important what, for instance distance kin, the friend that be close friends loses connection phone, you can write to the other side to tell the other side your mobile phone to number lets the other side receive the wire back on correspondence horse to give you by Id address, if be the money that the other side owes you or the gold that the other side cheated you you also can appeal to public security mechanism, explain to public security you need the reason of number of mobile phone of the other side, the police can press Id number to examine the telephone number of the other side through operation business, these two kinds are the means that lawful channel gets telephone number, still have a kind of special medium of communication, look for acquaintance to use Id number to inquire mobile phone number through personage of interior of operation business personnel, but this belongs to illegal hand end, do not suggest to adopt.
If have warrant truly, need telephone number, suggest you still take lawful channel, appeal door of the Ministry of Public Security, difficulty looks for a police. Hope my answer is helped somewhat to you, greeting everybody leaves a message in comment area compensatory. 
