The two men spent more than 90 minutes alone, aides say.
The president had more important things to do, the aide said.
Until now, his aides say, he has been trying to learn about the issues.
Her aides say they also believe she will court women's groups.
His mind, said one close aide, seemed to have been made up weeks ago.
But several other current and former officials are looking at the race, aides say.
Her aides will not say where she plans to go.
Aides have recently said a decision could be months away.
Aides say they are almost never in the room during the phone calls.
White House aides say they know of no such plans.