VoxBridge: AI Voice Calling Agent for Human-Like Phone Conversations cover

Portfolio

VoxBridge: AI Voice Calling Agent for Human-Like Phone Conversations

Places and receives real phone calls, transcribes speech, decides responses with an LLM, synthesizes lifelike speech, maintains state, and escalates to humans safely.

MuFaw AI Research LabVoice AgentTelephonyReal-time TranscriptionLLMsTTSTwilioSafety Guardrails
VoxBridge: AI Voice Calling Agent for Human-Like Phone Conversations

Project details

What we delivered

Overview

Voice agent that handles phone conversations with real-time AI.

Maintains dialogue state and safe escalation paths.

Why this exists

Calls are high-conversion but do not scale with humans alone.

Repetitive call tasks waste agent capacity.

How it works

Call control via telephony provider.

Streaming audio and transcripts into LLM reasoning with state, then TTS response.

Guardrails, confidence gating, and escalation.

Key engineering decisions

Low-latency turn-taking with streaming-first design.

Barge-in and interrupt handling.

Tool allowlists with validation.

Human handoff is first-class.

Auditable logs with outcomes tracking.

Use cases

Outbound qualification.

Appointment scheduling.

Inbound FAQ and routing.

After-hours support.

Tech stack

Telephony integration with programmable voice APIs.

Streaming audio via media streams.

Real-time transcription and dialogue orchestration.

Neural TTS.

What MuFaw delivered

Telephony orchestration with streaming pipelines.

Dialogue manager with safety guardrails.

Monitoring, logging, and handoff workflows.