
Quoting
Mr. Knowitall
First, is the rule that they are "they are allowed to call and talk to the children at the designated time" or that they are "they are only allowed to call and talk to the children at the designated time"? If it's the former, at least based on the excerpt you provided, it's not a restriction on the parent initiating phone contact -- it's a restriction on the person with the children, such that they are not supposed to deny contact during the designated half-hour.
Second, what does calling the other parent and asking, "Are they feeling better", have to do with calling to speak with the children? Even if we assume that phone contact with the children is only to occur during the designated half-hour, that's not the purpose you described for your call.