Aira is an AI-powered virtual receptionist and 24/7 answering service that answers calls, takes messages, books appointments, routes or transfers calls, and produces concise call summaries; its AI agents use natural‑language, human‑like voices and a customizable knowledge base to answer common questions, capture the details you care about, support multilingual callers (90+ languages), and integrate with calendars and CRMs, making it a cost‑effective way for small businesses to automate phone handling, avoid missed leads, and keep customer interactions professional and consistent.