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August 29, 2026

Timeline of Voice Technology: IVR to Siri to Autonomous AI Voice Agents (2026)

Voice Technology TimelineIVRSiriAI Voice AgentsTelephony ArchitectureTough Tongue AI

An exhaustive 50-year engineering timeline of Voice Technology. From Dual-Tone Multi-Frequency (DTMF) IVR in the 1970s to Apple Siri in 2011, conversational chatbots in 2020, and autonomous Voice-to-Voice agents in 2026.