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Watch three teams of developers compete in a 35-minute timed challenge to build custom phone hotlines using Twilio's ConversationRelay technology. Learn how to create interactive voice applications that convert speech to text, process it through AI backends, and respond verbally to callers. Discover the versatility of hotline applications through three distinct projects: Team Rocket's Pokédex hotline for Pokémon information, Team Wolverine's "Who's Right" dispute resolution service, and Team API-tite's restaurant recommendation system. Explore Twilio's ConversationRelay API capabilities for creating two-way voice-to-text communication flows, see real-time development processes as teams plan and build their applications under time pressure, and gain insights into practical implementation strategies for voice-enabled web applications. Access complete source code for all three projects and follow along with detailed timestamps covering the challenge introduction, team introductions, build phases, progress check-ins, live demonstrations, and post-challenge reflections.
