public String getInstantMessageId() returns the Instant
      Messenger (IM) Id from the person's profile.
    Attention: Introduced in SDK version 1.3.
  Parameters
None
Returns
Returns a String representing the Instant Messenger (IM) Id from a person's profile. Returns null if not available.
Example
    PersonService ps = session.getServiceRegistry().getPersonService();
    
    Person p = ps.getPerson("joeuser");
    
    Log.d(TAG, "IM Id: " + p.getInstantMessageId());
      
      Would produce output such as the following:
IM Id:  joe.user99987