As voice AI agents increasingly become integral to customer and employee interactions, ensuring their safety and accuracy is crucial, particularly in enterprise contexts where inaccuracies can lead to significant legal and reputational risks. The phenomenon of "hallucinations," where AI generates plausible but incorrect responses, highlights the need for robust architectural design rather than simply addressing model flaws. Key strategies for building trustworthy voice AI include implementing guardrails across system, process, and policy levels, using retrieval-augmented generation to ensure responses are based on accurate data, and maintaining real-time constraints and fallback mechanisms. Additionally, integrating best-in-class speech-to-text technology is essential for accurate intent recognition, while continuous monitoring and human oversight help maintain reliability and trust.