Senior military and diplomatic officials from each nation attended.
Western diplomatic officials in Athens said that neither side appeared willing to make any concessions.
The diplomatic officials, speaking on the condition that they not be identified, said his support in the army appeared less solid than earlier believed.
"They came out of here hating the place," the American diplomatic official said.
"What we are working on now is where each person will go," a Spanish diplomatic official said.
"Until a few months ago, they were promoting socialism," the diplomatic official said.
Meantime, senior military and diplomatic officials would like to step on the negotiating accelerator.
"I think this whole news conference was a face-saving exercise," a foreign diplomatic official said.
"There doesn't seem to be significant outside assistance to the rebels," a diplomatic official said.
The train of events left deep frustration in at least two quarters, diplomatic officials said today.