Vodacom refusal to provide outstanding contract amount for my dead mother

The below was comminucation sent between vodacom contract agents, ALL MY DAD WANTS IS TO SETTLE MY DECEASED MOM'S OUTSTANDING CONTRACT! He has been sent from pillar to post and they cannot simply give him the outstanding amount and the banking details GOOD DAY

KINDLY ASSIST WITH CONTRACT CANCELLATION OF THE DECEASED ATTACHED TO THIS EMAIL, THE SPOUSE WOULD LIKE TO HAVE ALL CONTRACTS UNDER THE DECEASED CANCELLED. SEE THE DOCUMENTS ATTACHED.