No response to deceased contract cancellation

My husband passed away in August 2021. Since that day i have emailed Cell c and sent ALL DOCUMENTATION through to deceasedqueries@cellc without any feedback, response, nothing. When I phone customer service they can see that all documentation has been received yet no response regarding the immediate cancellation of the contract. Every single month since then they have attempted to take the contract fee via debit order...

Looks like nothing can get you out of your contract, not even death