As long as her attorney is an active participant this will work. That's one of the things that an attorney does, is to communicate the interests of the client. While her participation is encouraged and welcomed, she is well within her rights to designate her attorney to do all of the speaking for her.
This answer is offered for informational purposes only. It is not offered as, and does not constitute, legal advice. Laws vary widely from state to state. You should rely only on the advice given to you during a personal consultation by a local attorney who is thoroughly familiar with state laws and the area of practice in which your concern lies.