
02 / Callie
One bounded reception flow—from an inbound call to a human-visible record.
AI reception workflow / Product studyRadius demonstration / AI reception workflow
Radius demonstrationOne bounded reception flow, made inspectable.
A Radius-owned demonstration connecting inbound intent, booking logic, notifications, and a reviewable handoff when a person needs to take over.
- Built by
- Radius Labs
- System focus
- Voice, booking & notification workflow
- Review posture
- Human-visible exceptions
01 / The first answer
Built for the moment a customer calls.
The product was shaped around the point where a service business can either turn an incoming question into a useful next step—or lose the context before anyone gets back to the caller.
Callie / reception presence
02 / The role
Your AI receptionistforservice businesses.
Callie’s value is not a generic voice interface. It is a reception layer that can be configured around the actual services, hours, availability, and operating language of a business.
03 / The operating surface
It answers. It books. It closes the loop.
The case study is not selling a voice alone. It demonstrates the connected product decisions that make a first answer useful once the call is over.
Callie / capability board
A visible reception system
- 01
Always-on answer
A responsive first answer for calls that arrive outside the working day.
- 02
Calendar-aware booking
Availability, offered slots, and the confirmed appointment stay in one call path.
- 03
Bilingual handling
English and Spanish conversations can follow the same operational flow.
- 04
Business context
Services, hours, and service area give the agent a useful operating frame.
- 05
Owner summary
A concise post-call record keeps the next action visible to the business.
- 06
Visible operations
Calls, bookings, and messages have a shared review surface.

04 / The visible handoff
A call becomes a record a person can work with.
- 01Voice input
A caller begins with a natural-language request.
- 02Processing gates
Callie routes the request through the bounded checks needed for the task.
- 03Human exception
Uncertainty or an exception remains visible for a person to review.
- 04Structured record
The interaction resolves into context the team can inspect.