WhatsApp Calling API

on YouTube ↗08m

" summary

WhatsApp Calling API enables businesses to initiate and receive voice calls inside a single persistent thread, requires cloud API and a 2K messaging tier, and promises context plus verified identity. Key specifics: G.711 GA while Opus remains default, 5,000 concurrent calls per business number, local routing and storage starting in India then Brazil and Indonesia, voicemail as voicemail alpha, recording and transcription priced per call with consent prompts, and video as H.264 WebRTC only. Case results include 22% CSAT (Redcliffe via Exotel), 20% faster resolution (respond.io), 79% wait reduction (Avista/Atomchat), 26% conversion and +9 NPS (Cartão de Todos), and 1.5pp reply lift (Twilio).

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