ABSA Deceased Estate Department slow service

As the executor of my Dad's Estate we have been trying to get all of his ABSA accounts closed by the Estates department. We received a letter from them on the 22nd February 2022. Many calls have been made to their offices but most the time the phone just rings and rings. I was able to get hold of someone last week and she said the file was being worked on and she said we should hear from them by the end of last week. We are still waiting and again no news today. This is the only item outstanding to wrap up the Estate.