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Voice Agents

Lyzr Studio Voice Agents let you build low-latency conversational phone bots. They support phone number assignment, Realtime and Pipeline engines, knowledge base integration, call recordings, transcripts, and analytics.

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When to use Voice Agents

  • Inbound customer support lines
  • Outbound appointment reminders or sales follow-up calls
  • Internal helpdesk by phone
  • Voice-first experiences where users should not need a chat UI

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Architecture modes

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Realtime Engine

Realtime uses audio-to-audio models such as gpt-realtime. It avoids separate STT and TTS layers and is best for low-latency conversation.

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Pipeline Engine

Pipeline mode uses a modular stack: STT provider, LLM, and TTS provider. Each component can be configured independently.

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Getting started

Access Voice Agents from the voice icon in the Studio sidebar. See Building Voice Agents for configuration and Telephony & Analytics for phone numbers and transcripts.