How can i view the mobile number in IMO if she / he is not on my phone contact list

[AC Question]

bexcause i received a lot of miss calls from this particular person on IMO and he or she is not on my phone contact list.i would like to ask how i acn view her or his mobile number

 

[belodion]

I believe that you cannot, though you could try emailing the app developer about it.