Real-Time Inbound Voice AI Customer Agent
Shipped in 4 WeeksVoice AIConversational SpeechTelephonyReal-Time
Real-Time Inbound Voice AI Customer Agent
Deployed conversational voice agents handling 300+ inbound calls daily with sub-500ms latency and human-like prosody.
Fintech
4 weeks production sprint
Deepgram STT · GPT-4o Realtime · ElevenLabs TTS
<500ms voice
latency
70% autonomous
resolution
40% →
2% hangup rate
24/7 telephony
uptime
Production Deployment Architecture · Real-Time Inbound Voice AI Customer Agent
01
The Business Challenge
A fintech startup experienced 12-minute phone queues and a 40% caller abandon rate during peak market volatility.
02
Architectural Solution
Engineered an ultra-low latency voice agent using Deepgram streaming speech-to-text, GPT-4o reasoning, and ElevenLabs voice generation over Twilio telephony.
Measured Outcomes
Caller wait time slashed to 0 seconds. 70% of inbound calls resolved autonomously. Call abandon rate dropped from 40% to 2%.
<500ms voice latency
70% autonomous resolution
40% → 2% hangup rate
24/7 telephony uptime
Technology Stack
Deepgram STTGPT-4o RealtimeElevenLabs TTSTwilio
Sprint Timeline
4 weeks
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