Blog page 4
Craft
How to Stop Your Voice Agent Hallucinating
Why AI voice agents make things up, and the layered guardrails that stop them. Grounding, tool-call discipline, read-back, refusal rules and how to test it.
By Aneeq Iftikhar, Senior Software Engineer, DeskCaller
Craft
How to Write the System Prompt for a Restaurant AI Phone Agent (with a full, annotated example)
The complete, copy-paste system prompt for a restaurant AI phone agent, torn down block by block, with UK allergen, deposit and call-recording rules built in.
By Aneeq Iftikhar, Senior Software Engineer, DeskCaller