Ugh... what a terrible struggle but remember to be the shining light!!!
Lead by example... let the W rant and don't reply... good for you. You are drawing bounderies!!!
It is so hard not to take it personally. The way she handles the kids. The way she makes you feel like crap. But hold your head high and realize that you are strong enough to wade through this.
Discuss with your atty the issues with phone calls. Nearly all states have parenting time guidelines outlining how the other parent is to have phone access to said child/ren. If there are issues Courts have no problem putting in plain black and white that parent is to have access by phone on X and X days between X and X time.
Hang in there... I know it seems like an eternity.