Legal Question in Family Law in Texas

You are in control of your child when your child is in your custody. In my opinion, 9 is too young for a cell phone. Tell your child to leave the phone turned off in the child's suitcase and again inform the mother that calls to the child can be made through your phone.

This is not about the child; it is about the parents and power. And I am not taking sides; it could be either parent.

If you two are going to successfully co-parent for the next eleven years, you need to both learn to do so. If possible, see if you can get the other parent to atttend co-parenting-in-divorce classes. You do not have to do them together, but you do need to both do the same ones. There are probably some in your area, but if not, then there are some on the Internet.

If you continue the way that you are going, you both will be miserable for a decade, but, more importantly, the child will suffer.