Buffalo charges for repeat delivery

I recently placed several orders with Temu. They use Buffalo Logistics to deliver. Out of the 5 orders 3 were delivered without problems. The fourth one was delivered by new driver on his first day and he did not have a working phone but borrowed one from my neighbour. But the one problematic delivery was were Buffalo claimed that I had not reacted to a telephone call from the courier and they charged me R 56 to have it delivered again. I am always close to my phone and there is no listed missing call from an unknown number in the period. But it seems Buffalo prefers to believe their driver and I would like to see proof that he called my number. I used their chatbot to no avail and have not heard back from customer service after more than 3 weeks. If this is the norm, I must seriously reconsider ordering from Temu again, even though they were fast to accept the return of faulty USB sticks.