Project 04 · CTO · SAN FRANCISCO

Callto

Sales coaching that happens during the call, not after it. Browser-based cold calling with sub-two-second transcription, live analysis, and follow-up work that executes itself.

WebRTCReal-timeMCP

visit callto.co ↗

Callto's browser cold-calling interface with live transcription and AI coaching

01 Overview

Built full-stack AI-powered sales coaching platform enabling browser-based cold calling with real-time transcription (<2s latency) via Telnyx WebRTC SDK and Rev AI streaming API, leveraging Llama Maverick for call analysis.

Integrated MCP to automate end-to-end task execution from AI-extracted action items through Google APIs.

roleCTO

platformWeb

stackTelnyx · Rev AI · MCP

latency<2s transcription

timelineDec 2025 — Mar 2026