As voice AI agents increasingly integrate into customer and employee interactions, ensuring their safety and accuracy is paramount to prevent reputational harm and legal risks, particularly in enterprise contexts. These AI systems often rely on large language models (LLMs), which are prone to "hallucinations," generating plausible but incorrect responses. This issue is not solely a model problem but is influenced by the architecture, including how audio is processed, knowledge is retrieved, and speech is synthesized. To mitigate risks, companies must establish robust guardrails that include accurate data grounding, constrained generation, and fallback paths for escalation to human agents. Additionally, maintaining transparency, traceability, and alignment with brand standards is crucial. Effective voice AI systems incorporate best-in-class speech-to-text technology, intent detection, and retrieval-augmented generation to enhance accuracy and reliability. Ongoing monitoring and human-in-the-loop feedback are essential for refining these systems and maintaining trust, with safety being a continuous quality assurance focus.