Voice-activated CTV ads use a voice assistant — Alexa on Fire TV, Google Assistant on Android TV — to trigger an interaction with an advertisement. A TV ad plays and includes a voice CTA: "Say 'Alexa, tell me more'" or "Say 'OK Google, add to cart'." The viewer speaks the command and the assistant responds with information, a product page, or a purchase flow.
Current availability in India: Not yet standardised. Voice CTV advertising exists in limited US Amazon/Alexa pilots. India-specific voice CTV ad products are not available through standard media buying channels as of 2025–26.
Why it has not scaled yet: Speaking aloud in response to a TV ad is new viewer behaviour — more friction than scanning a QR code (private, familiar phone gesture). Also, Hindi/regional language voice assistant quality is improving but not yet at the accuracy level needed for seamless ad interactions.
Realistic India timeline: 2027–28 for standardised voice CTV products, as Hindi Alexa and Google Assistant regional language quality improves.
What to do instead today: QR codes and WhatsApp triggers deliver interactive CTV responses in India now, without requiring voice interaction or platform infrastructure. Use those.
Full guide
For a complete explanation, read: Voice-activated CTV ads: Alexa, Google Assistant, and the future of TV interaction