Exactly this. Real callers don't behave like demo callers. Heavy accents, background noise, someone who rambles for 2 minutes before getting to the point, w

Exactly this. Real callers don't behave like demo callers. Heavy accents, background noise, someone who rambles for 2 minutes before getting to the point, wrong number calls, suppliers calling about invoices. A demo never tests any of that. Real deployment teaches you more in a week than a year of testing.