Vobiz x Vapi Masterclass

Documentary guide for low-latency voice AI deployment: architecting ultra-low latency voice AI in India with the Vobiz x Vapi integration — outbound and inbound SIP trunk setup, end to end.

Want the written walkthrough with SIP config screenshots too? Read the full integration guide.

Vobiz — AI-First Telecom Infrastructure for Voice Agents

SIP trunk, voice API, and programmable telephony for voice AI. Sub-80ms latency, global DIDs, WebRTC, and native integrations for Vapi, Retell AI, ElevenLabs, LiveKit, Pipecat, and OpenAI Realtime.

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Products

Voice API — Programmable call control, REST and XML, real-time webhooks.
SIP Trunking — Carrier-grade SIP trunking, instant provisioning, inbound and outbound.
Number Provisioning (Global DIDs) — Local, national, and toll-free numbers in 130+ countries.
Phone Numbers (India) — TRAI-compliant local and mobile numbers with KYC.
WhatsApp Business API — Messaging and voice calls over WhatsApp.
Predictive Dialer — Auto-dialing with answer/voicemail detection.
Campaign Manager — Outbound voice campaign scheduling and retry logic.