Addressing Walkie-Talkie Latency Issues in Real-Time AI Voice Agents

On November 13, 2026, the AI section of DEV Community published a practitioner write-up from a developer on building SupportAI, a full-duplex, low-latency AI Voice Agent. The piece describes the motivation behind the project: when e-commerce stores rely on traditional text-only chatbots to manage customer support and recover abandoned carts, the experience tends to feel clunky. Customers drop off, issues are pushed back, and late-night support tickets often go unanswered. To address these gaps, the author built SupportAI, which is designed to handle real-time customer conversations over voice calls.

The article then turns to what makes full-duplex voice difficult, examining the latency pain points of the conventional STT (Speech-To-Text) -> LLM -> TTS pipeline. Against that background, it outlines the technical thinking and hands-on practices the developer used to improve the smoothness of voice interaction in customer service settings. Because the report is currently the only one covering this topic, the discussion stops at the level of a single developer's personal engineering experience, with no further coverage, follow-up announcements, or external validation available at this point.