

Depends on the state, some require both parties to know the conversation is being recorded. “I’m recording this call” should be enough.
While it “should” be enough for a company “agent” to tell you the account is paid off. Courts tend to be pro business and there’s probably language in the contract about mistakes…
As much as I love the fediverse, its control structures can’t scale. If it ever became truly popular, bad actors would overwhelm it almost immediately.