How to change my custom voice mail on my IPhone 15 to default

Question

I have tried everything that everyone is saying regarding voicemail to default unable  to go back to default on my Iphone 15.

Verizon_Support · Accepted Answer

daveC3742  voicemail greeting back to the default, open the Phone app, navigate to Voicemail, tap on Greeting, select "Default", and then tap Save. This will restore the standard iOS greeting, which is typically a generic message stating your phone number.  -Harry