Meet Vani: The AI Voice Employee Built for Real Business.
Developed by InvarLab, Vani handles inbound customer calls 24/7, launches instant 15-second lead callbacks, and schedules appointments directly into your calendar.
24/7 Call Answering
Handles inbound calls instantly without placing customers on hold.
Natural Turn-Taking
Allows callers to interrupt, clarify, and speak in Indian languages.
Strict Business Rules
Answers accurately using only your verified knowledge and pricing.
Calendar & CRM Sync
Locks meeting appointments and syncs notes to your database.
Engineered from the ground up for business accuracy.
How Vani translates real-time speech into structured business actions with deterministic guardrails.
Audio & Speech Pipeline
A low-latency speech pipeline engineered for natural turn-taking, interruptibility, and Indian multilingual communication.
Responsive Speech Streaming
Continuous streaming audio ensures responsive turn-taking without awkward robotic pauses.
Natural Voice Interruption
Callers can interrupt or speak naturally at any point during the conversation without breaking context.
Native Indian Multilingual Fluency
Handles Hindi, Gujarati, Marathi, Tamil, Telugu, Kannada, Bengali, and Indian English with fluid code-switching (Hinglish).
Business Knowledge & Rules
Structured contextual reasoning that binds the AI to your company's approved documentation and policies.
Domain Knowledge Ingestion
Ingests your approved FAQs, service pricing, branch locations, and business policies.
Strict Business Guardrails
Hard-coded boundary rules ensure the AI only quotes approved pricing and never makes unauthorized commitments.
Multi-Turn Lead Qualification
Collects and verifies customer criteria like budget, location, and requirements across multi-step inquiries.
Execution & Telephony
Direct integration with telephony networks, live calendars, and enterprise CRMs to execute real operational actions.
Two-Way Calendar Slot Booking
Coordinates live availability during the call, locks in the confirmed meeting or site visit, and dispatches automated SMS confirmations.
Automated CRM Sync & Webhooks
Instantly transcribes, summarizes, scores, and updates caller records into your CRM (HubSpot, Salesforce, Zoho, Custom APIs).
Virtual Numbers & PBX / SIP Bridging
Deploy on dedicated virtual DID numbers or bridge directly to your existing business PBX / cloud telephony via SIP trunks.
Why traditional voice bots fail over real phone lines.
Telephone conversations are uniquely unforgiving. Here is where generic conversational AI architectures break down — and why production voice demands a dedicated streaming pipeline.
The Multi-Second Turn Delay
Chaining separate speech-to-text, LLM, and TTS APIs creates 2–4s awkward pauses.
Rigid Half-Duplex Audio
Traditional voice systems cannot hear caller interruptions while synthesizing speech output.
Unbounded Model Hallucinations
Raw LLMs without deterministic guardrails guess unverified pricing, discounts, and terms.
Indian Code-Switching Failures
Callers frequently mix English with Hindi, Gujarati, or regional expressions mid-sentence.
“A voice bot that feels delayed or rigid doesn't save time — it frustrates customers and damages brand trust.”
Bidirectional Inbound & Outbound Calling
See the exact step-by-step pipeline mechanics for 24/7 inbound customer answering and automated 15-second lead callbacks.
24/7 Customer Answering
Incoming Carrier Routing
Customer dials your dedicated business number; call routes via SIP trunk directly to Vani with zero hold queues.
Sub-Second Intent Detection
Real-time speech stream transcribes utterance and identifies core caller intent and language in <300ms.
Knowledge & Policy Verification
Answers pricing, branch timings, and service inquiries strictly from your verified company documentation.
Calendar Lock & Staff Alerts
Schedules consultations live on the calendar, syncs CRM notes, and sends instant priority alerts for urgent requests.
Outbound Campaigns & <15s Speed-to-Lead
Webhook Lead Event
A prospect submits a form on your website or Meta/Google ad campaign, firing an instant webhook payload.
15-Second Instant Callback
Vani immediately dials the lead while buying intent is peak, greeting the prospect naturally by name.
Conversational Qualification
Qualifies budget, requirements, and timeline while comfortably answering caller questions in their preferred language.
Meeting Secured & CRM Tagged
Books a site visit or sales consultation directly into your team's calendar and transfers qualified context.
Real-time visibility into every customer call.
Complete analytics, qualification tags, and conversation summaries logged automatically for your sales and management teams.
Vani Operations Console
Active NodeEnterprise Data Protection & QA Oversight
Built with dedicated tenant data segregation, encrypted storage, and continuous quality inspection.
Zero Public Model Training
Your proprietary company documentation, customer conversations, and audio logs are never used to train public models.
Isolated Tenant Storage
All conversation audio, transcripts, and ingested knowledge bases remain strictly isolated with AES-256 and TLS 1.3 encryption.
Continuous QA Audits
Internal telemetry and regular transcript inspection ensure strict adherence to your approved business scripts and guardrails.
Priority Staff Escalations
If an inquiry requires human intervention, Vani sends an instant priority alert with the full transcript to your on-duty team.
Ready to integrate Vani into your telephony stack?
Connect your CRM, ingest your business rules, and experience enterprise-grade voice automation with sub-second latency.
Dedicated technical onboarding · Custom SIP trunk integration