The integration of Twilio and Gladia enables real-time voice transcription, transforming customer interactions with AI-driven efficiency. By using Gladia Solaria RT, which natively supports Twilio's 8 kHz, 8-bit μ-law audio format, developers can achieve seamless transcription without the need for audio conversion, maintaining latency under the critical 300 ms threshold. This setup, ideal for enhancing customer service operations, reduces average handle time and improves compliance with PCI and PII regulations through instant data redaction. The architecture involves Twilio capturing audio, a Flask WebSocket proxy forwarding it, and Gladia providing live transcripts, creating a fluid interaction that feels less like speaking to a machine. Beyond transcription, the system's low latency supports advanced features like real-time intent detection and agent assistance. Moving from a demo to production requires scaling, security, observability, and cost management considerations, ensuring the system's robustness and efficiency. The modular design allows for independent evolution of components, making it adaptable to growing traffic and complexity, thus enhancing user experience and operational feasibility.