Higher Coordinative Mechanism of National Dialogue ( Committee 7 +7 ), refused the call launched by the Sadiq al-Mahdi , head of the National Umma Party, for a preparatory conference on dialogue after his meeting with the President of the African mediation, Thabo Mbeki . Meanwhile ,the ruling National Congress Party confirmed that the talk about the preparatory conference is outdated. http://www.sudansafari24.com/index....-al-mahdi-s-call-for-a-preparatory-conference