Infrastructure

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September 4, 2026

How to Handle 1,000+ Simultaneous Inbound Phone Calls with Voice AI Without Busy Signals (2026)

Voice AIHigh ConcurrencyTelephony ScalingSIP TrunkingWebRTCTough Tongue AIInfrastructure

An infrastructure engineering guide to scaling Voice AI systems to 1,000+ concurrent inbound phone calls with zero busy signals, zero caller hold queues, and sub-200ms latency in 2026.