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The difference between an automated phone tree and a natural human conversation is voice latency. When conversational lag exceeds 600 milliseconds, callers interrupt and lose patience.
1. Full-Duplex Audio Pipelines
We pipe inbound SIP voice packets through WebSockets directly to streaming speech-to-text models, cutting audio transcription turnaround to 140 milliseconds.
2. Interruptibility and Turn-Taking
By analyzing continuous audio energy levels, voice agents instantly stop speaking the microsecond a human customer interjects, mimicking natural conversational turn-taking.
Architectural Takeaways
- → Keep total conversational round-trip latency below 450 milliseconds.
- → Implement instant barge-in support so callers can interrupt naturally.
- → Push call summaries and intent scores directly to CRM records upon hangup.
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