Private banking telephone service/enquiries.

Lately I am very unsatisfied by FNB Private Client Service through telephone. I do understand employees are working from home, but the FNB network/phone line is terrible. Interruptions have happened regularly and the question is whether the private banker will call you back so that you have to call and explain the enquiry again. As private clients we pay a high monthly fee, but the service delivery is by far insufficient. What is FNB going to do about this?