I not only think the weekly meetings are a bad idea, but the daily phone calls, too. What in the world is that going to accomplish? You aren't going to talk him into sobriety, and you are simply getting hooked back in to feeling sorry for him and stressing over what he is doing.
I think it is great that your daughter get counseling for this situation, and it is probably for the best that she isn't seeing her dad right now. I would just reinforce the idea that daddy is sick right now and he can't be the dad he would like to be. There are some excellent books for talking about alcoholism with kids. Do a little searching on the internet--I don't have any titles off the top of my head, but I know there are a few.