backed Mr Ouattara as the true winner of last Sunday's run-off.
Conflict fear
The AU has not said when Mr Mbeki is likely to travel to Ivory Coast, but the BBC's John James in Ivory Coast's main city, Abidjan, says his arrival is being widely discussed.
The crisis has already led to unrest on the streets of the capital
When he was president of South Africa, Mr Mbeki helped to mediate a peace deal in Ivory Coast.
But he was seen by the opposition as being uncomfortably close to Mr Gbagbo.
-----------------
Rent a Ferrari
Exotic Car Rental