I have an iPhone 12 Mini Currently after 3 rings the call goes to Vm. I would like that changed to perhaps 6 rings
You can try using this method here if it does not work then you will need to contact customer service directly and they will be able to do it for you.
Unfortunately that didn't work. See the messages I get when I attempt to follow the steps you forwarded
and then when I dial the last digits i get a message stating I'm calling wrong number
Hello again @Geebskii,
In that case you will need to reach out directly to customer service and they will be able to change it for you.