TRAI's A2P call rules for AI voice agents: declare the numbers, fix the behaviour
TRAI's Third Amendment, notified on 18 September 2026, doesn't ban AI calls in India or make agents announce themselves. It makes outbound automated calls declarable: you tell your operator which number ranges carry them, and operators' detection systems watch how those numbers behave. Here's what the text says, the three dates, and the campaign changes that keep your numbers clean.
Noisy calls, clear agents: how voice AI survives real-world (and Indian) phone audio
Real phone audio is nothing like a demo mic. Street noise, a TV in the next room, two people talking, and low-bitrate carrier codecs all conspire to break naive voice AI. Here's the actual DSP — echo cancellation, a dual-path denoiser design, VAD tuning, and background-media rejection — that keeps an agent clear on messy Indian PSTN calls without clipping soft speech.
Building multilingual voice agents for India: Hindi, Hinglish and code-switching
Real Indian conversations mix languages sentence by sentence. Here's how to design voice agents that switch as naturally as your customers do.