The leader of Nouso asked to have a top-level conference many times but was refused.
Nobody wants to fight, when he/she knows that they are going to lose.
Naturally, the leaders of Nouso tried to make every effort to avoid the war. They compromised to the Round allied force as much as possible and asked them to have a conference many times. But the all of requests were refused. What the Rounds required Nouso was not the discussion on the equal grounds but a proof showing the inferiority of Nousos, namely, their surrender.