Super Receptionist is a virtual phone number and receptionist service that allows businesses to project a professional image by greeting callers, routing calls to extensions, and providing call logs and voicemail without the cost of an actual receptionist. It provides advantages over physical PBX systems by allowing users to easily program extensions from any internet-connected device and forward calls to existing mobile or landline numbers. The document discusses how Super Receptionist works and its benefits for businesses that want call handling features without hardware or maintenance costs.