[vmception]

For the past two years Ive been needing to clear my ios voicemails every few months because they are full of bounced calls that left a voicemail

There is also a deleted messages section, automatically made for some bounced callers, that needs to be cleared

Non solution offered here

[EricE]

For calls that Nomorobo detects, you can have it just terminate them - it's the only reason I still happily pay for their annual sub. Sadly they aren't nearly as effective as they were a few years ago, but they still get probably 70% of the junk which still makes it worth it.