Time for a plan to no longer co-habitate with her. That was most disrespectful to you, while you were on the phone. Is she getting paid to do your laundry? A portion knocked off the cost of one of the bills?

Sabotaging your phone calls, is just a step in a not so good direction for her emotional state of mind.

Why can't she accept being friends? Dunno. Same reason why some people don't emotionally divorce, like my exh?