Why most AI voice agent prompts fail in the real world, and three practical fixes that make them hold up on actual customer calls.

Andy Norman from Antek Automation shares practical tips sourced from the blog post: How to Write Prompts for AI Voice Agents That Actually Work.

• Write a tightly defined system role with explicit constraints: what the agent is, what it can and cannot do, response length capped at ten seconds per turn, and named failure modes like angry callers, pricing questions, and repeat callers.
• Design prompts around the data you need, not a rigid question sequence.
• Treat your first prompt as a draft.

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