In the context of the preparation for COROT, we have studied some theoretical properties of the frequencies of solar-like stars. In order to prepare the interpretation of future data, we have defined between Meudon (DASGAL) and Nice (Cassini) a hare and hounds exercise as follows: from a set of frequencies provided by each group to the other, find the characteristics of the corresponding stellar model. Here are reported preliminary results obtained by the Nice group. A discussion on the numerical accuracy of theoretical frequencies is also given.