public OneToOneChatSession createOneToOneChatSession(ContactId contact,ChatMessage firstMsg){
  if (sLogger.isActivated()) {
    sLogger.info("Initiate 1-1 chat session with " + contact + ".");
  }
  long timestamp=firstMsg.getTimestamp();
  return new OriginatingOneToOneChatSession(this,contact,firstMsg,mRcsSettings,mMessagingLog,timestamp,mContactManager);
}

public OneToOneChatSession createOneToOneChatSession ( ContactId contact , ChatMessage firstMsg ) { if ( sLogger . isActivated ( ) ) { sLogger . info ( "Initiate 1-1 chat session with " + contact + "." ) ; } long timestamp = firstMsg . getTimestamp ( ) ; return new OriginatingOneToOneChatSession ( this , contact , firstMsg , mRcsSettings , mMessagingLog , timestamp , mContactManager ) ; }
initiate a one - to - one chat session
