Guides
- Build an AI Voice Agent — Connect leading conversational AI platforms - Vapi, Retell, ElevenLabs, Pipecat, LiveKit - directly to real phone numbers using Vobiz SIP trunking
- Build an inbound AI voice agent — Set up an AI-powered inbound voice agent on Vobiz that answers incoming calls and routes audio to your agent platform over SIP trunking..
- Build an outbound AI voice agent — Set up an AI-powered voice agent on Vobiz that places outbound calls - dial out from your agent platform over Vobiz SIP trunking with full control
- Onboard your customers with Vobiz sub-accounts — Give your own customers phone numbers on Vobiz: one sub-account per customer, hosted KYC, number assignment, CPS and concurrency caps, and billing..
- Migrate from Plivo to Vobiz — Move your voice app from Plivo to Vobiz in hours
- Authentication & base URL — Migrate authentication and the API base URL from Plivo to Vobiz - swap the SDK package, use X-Auth-ID and X-Auth-Token headers, and point at..
- Endpoint & SDK mapping — Map every Plivo REST endpoint and SDK method to its Vobiz equivalent
- Convert PlivoXML to VobizXML — Migrate Plivo call-control XML to VobizXML
- Webhooks & signature validation — Migrate Plivo webhook handlers and signature verification to Vobiz - the params and HMAC-SHA256 scheme are nearly identical, so you mostly swap..
- Gotchas & breaking changes — The handful of changes to plan for when migrating from Plivo to Vobiz - XML verb renames, path casing, status params, webhook signatures, and DID..
- Phone numbers (you can’t port from Plivo) — Number migration from Plivo to Vobiz: buy new Vobiz numbers from inventory, re-point your call flows, and plan for the 15-day DID cool-off
- Cutover checklist — A runbook for moving a production Plivo voice app to Vobiz - swap credentials, convert XML, re-point webhooks, canary traffic, then decommission..
How-Tos
LiveKit Templates
- Call transfer agent — Transfer an active Vobiz call to any E.164 phone number via SIP REFER from inside a LiveKit AI voice agent - full code, payloads, and trunk setup
- LiveKit IVR with DTMF — Build an IVR menu in a LiveKit AI voice agent on Vobiz that responds to DTMF keypad input in addition to spoken voice commands - Python example
- LiveKit Agent-to-Agent Handoff Example — Transfer an active Vobiz call from one LiveKit AI agent to a specialized agent mid-conversation while preserving full conversation context and..
- Answering machine detection — Detect whether an outbound LiveKit call reached a human or a voicemail machine on Vobiz before your AI agent begins speaking - Python example
- LiveKit all-features example — A single LiveKit agent example demonstrating inbound, outbound, transfers, DTMF, answering machine detection, and webhooks together on Vobiz
- LiveKit webhook & CRM integration — Push Vobiz call events to your CRM in real time using HMAC-signed webhooks and LiveKit function tools - end-to-end Python example with sample..
- LiveKit inbound calling — Route inbound calls from any Vobiz phone number to a LiveKit AI voice agent over SIP trunking with real-time audio streaming - Python example
- LiveKit outbound calling — Place outbound calls from a LiveKit AI voice agent via a Vobiz SIP trunk, with per-call dispatch metadata and end-of-call webhooks - Python example
Server Templates
- Vobiz + Pipecat — Stream raw Vobiz call audio into a Pipecat AI voice agent pipeline using WebSocket transport - covers trunk setup, Python code, and pipeline wiring
- Bun Media Stream Server — Minimal Bun WebSocket server that receives Vobiz call audio, writes it to WAV, and logs status callbacks
- Bare-metal XML WebSocket — Build a real-time AI voice agent on Vobiz using only the XML WebSocket streaming primitive - no LiveKit, no Pipecat, no third-party SDK required
- IVR menu — Build a multi-level Interactive Voice Response menu on Vobiz with dynamic configuration, DTMF keypad routing, and call analytics tracking in Python
- Call queue — Build a hold-music call queue on Vobiz featuring round-robin agent dispatch, configurable retry cycles, and voicemail fallback - Python and XML..
- Call survey — Run an outbound three-question DTMF voice survey on Vobiz, store results via the API, and export responses to CSV - complete Python and XML example
- Appointment reminder — Send outbound appointment reminder calls on Vobiz with confirm, reschedule, and cancel DTMF options - every outcome stored per appointment in Python
- OTP call — Generate a six-digit OTP, place a Vobiz outbound call, read it digit by digit to the caller, and verify the response on your backend - Python example
- Voicemail — Capture caller voice messages on Vobiz using the Record verb, store recordings as MP3, and retrieve them via the admin API - Python and XML example
- Number capture — Collect a caller’s phone number on Vobiz via DTMF keypad input with the # terminator, validation, and duplicate detection in a Python XML example
- Two-way number masking — Connect a field agent and a customer through two masking DIDs so neither sees the other’s real number, bidirectional call masking with FastAPI and..
Use Cases
- Solutions — Build production-ready voice applications with Vobiz - AI agents, IVR, contact centres, outbound calling, and recording, deployed across 130+..
- AI Voice Agent Phone Calls at Scale — Deploy 24/7 AI voice agents that handle real callers at scale
- Cloud IVR on Vobiz: DTMF, Speech Recognition & Routing — Build programmable cloud IVR on Vobiz with DTMF, speech recognition, and intelligent routing - no hardware, globally available across 130+ countries
- Vobiz Cloud Telephony: Numbers, Calls, IVR and SIP Trunks — Yes, Vobiz provides cloud telephony: phone numbers, voice calls, IVR, SIP trunking, recording, conferencing, SMS and WhatsApp, on one platform and..
- Contact Centre — Build a fully custom contact centre on Vobiz - inbound routing, queuing, recording, and AI augmentation without per-seat CCaaS pricing, across 130+..
- Conference Calling — Host multi-party calls with live moderation, recording, and coach mode
- Automated Outbound Calling — Reach thousands of customers with personalised voice calls at scale
- Appointment Reminders — Reduce no-shows with automated voice appointment reminders that confirm, reschedule, or cancel via keypad, using Vobiz DTMF-interactive outbound..
- Call Recording — Capture, store, and analyse call audio for compliance, QA, and AI training
- Number Masking — Connect two parties through proxy DIDs so neither sees the other’s real number, two-way call masking for ride-hailing, delivery, and marketplaces on..
- Call Transfer — Move active calls between agents, teams, or IVRs on Vobiz globally - warm transfers, blind transfers, SIP REFER, and full context preservation
- Call Escalation — Route complex calls to senior handlers with full context intact
- Agent-to-Agent Handoff — Transfer calls from AI to human agents without losing context - Vobiz carries transcripts and call metadata through warm handoffs across 130+..
- Post-Call Analytics — Turn every completed call into structured business intelligence using Vobiz CDR and recording APIs - call volume, agent performance, and compliance..
- CRM Integration — Auto-sync every call, recording, and outcome to your CRM via Vobiz webhooks, with softphones for Salesforce, HubSpot, Zoho, Zendesk, Freshdesk, and..
Industries
- Healthcare — Automate patient appointment booking, triage, reminders, and teleconsultation with Vobiz, a healthcare voice API for clinics, hospitals, and..
- Finance & Fintech — Scale collections, fraud alerts, and KYC onboarding with a compliant voice API for fintech
- Logistics & Delivery — Automate last-mile delivery confirmations, ETA alerts, and driver-customer coordination with Vobiz voice notifications and number masking
- E-commerce & Retail — Reduce RTO and recover revenue with automated COD confirmations, delivery alerts, and post-purchase surveys using Vobiz e-commerce voice automation
- Real Estate — Qualify leads and automate site-visit scheduling with Vobiz - IVR routing, outbound campaigns, and CRM integration for property developers and..
Compare Platforms
- Vobiz vs Twilio: Voice API Pricing and Support — Twilio charges in USD with no TRAI compliance
- Vobiz vs Plivo: Voice API Pricing and Compliance — Plivo has pivoted to AI agents and bills in USD
- Vobiz vs Telnyx: Voice API Pricing and Features — Telnyx is built for global reach but lacks India-specific compliance
- Vobiz vs Vonage: Lean Voice API vs Enterprise Suite — Vonage bundles enterprise complexity with USD billing and no TRAI compliance
- Vobiz vs Exotel: Voice AI Telephony Compared — Exotel requires a sales demo and locks out developers
- Vobiz vs JustCall: Voice API vs Business Phone — JustCall is a sales phone app, not a developer API
- Vobiz vs TeleCRM: Voice API vs Sales CRM — Compare TeleCRM and Vobiz: TeleCRM is sales software, while Vobiz is programmable telephony with SIP trunking in 130+ countries and INR billing for..