Has anyone used an ai receptionist that actually handles edge cases well, not just the easy calls?

I manage operations for mid-sized property management company, about 340 units across four properties. We've been fielding an embarrassing number of dropped calls and frustrated tenants, and someone on the team suggested looking into AI voice solutions to cover our front desk overflow. I'll be honest, I'm pretty skeptical. Every demo I've seen shows the AI breezing through a simple "what are your hours" type question, and it looks great. But what happens when a caller is upset about a maintenance issue that's been open for three weeks, or when someone is calling about a lease renewal with specific terms we negotiated? Those aren't scripted scenarios. That's where I'd expect the whole thing to fall apart. Has anyone used an ai receptionist in a context where the calls are actually complicated, not just appointment booking or FAQ lookups? I want to know what it genuinely can't handle, not what the sales page says it can do. Specific situations where it failed would be more useful to me right now than success stories.