# Closerr AI Telephony Studio

Closerr is a low-latency, production-grade AI calling and voice agent platform engineered for India and international markets. It supports high-fidelity inbound and outbound calling campaigns with robust regulatory guardrails.

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## Technical Specifications

### Telephony Core
- **Protocol:** Standard Session Initiation Protocol (SIP) and Real-Time Communication (RTC) over LiveKit.
- **Providers:** Supported integrations with licensed telecom virtual number carriers (Vobiz, Exotel) and custom SIP trunks.
- **Audio Codec:** Native support for Opus and G.711 PCMU/PCMA.

### Voice and Model Pipelines
- **Indian Regional Engines:** Integrated with **Sarvam Saaras** and **Bulbul** for low-latency native English, Hindi, Tamil, Kannada, Telugu, Bengali, and other regional voice operations.
- **Latency Benchmarks:** Under **400ms** round-trip response latency utilizing streaming voice pipelines and adaptive Voice Activity Detection (VAD).
- **Interruption Handling:** High-frequency cancellation patterns enable instant interruption detection and conversational muting when a caller speaks.
- **CAG-First (Context-Aware Retrieval):** Enterprise document context cached in Redis to supply fast, hallucination-free retrieval for the LLM.

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## Regulatory and Legal Safeguards

### India Market (TRAI Compliance)
- **DND Registry lookup:** Inbound consent checking and national Do Not Disturb (DND) scrubbing rules.
- **Audit Logs:** Compliance logs detailing campaign dispatch timestamps, duration, and caller records.

### US Market (TCPA and FCC Compliance)
- **Consent Affirmation:** Mandatory client-side confirmation of lead prior express written consent before call queue execution.
- **AI Disclaimer:** Outbound voice agents identify as artificial assistants within the first 10 seconds of call connection.

### Privacy and Data Security
- **DPDP Act (2023) Compliant:** Closerr operates as a **Data Processor** for client lead lists, call logs, and transcripts, and as a **Data Fiduciary** for corporate registration and billing info.
- **Data Erasure:** End-to-end user-requested data purging commands in the admin console.

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## Pricing and Billing Architecture
- **India Rates:** ₹5–₹9 per minute all-inclusive (STT + LLM + TTS + telephony).
- **International Rates:** Starting at $0.06 per minute.
- **Billing Model:** Dynamic pre-paid wallet balance topped up with credit/debit or UPI. Automatic low-balance cutoff to prevent overdraft.
- **Architect AI Credit:** Access to the Closerr Architect AI assistant requires at least ₹0.10 wallet credits per query.

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## Public URLs
- **Homepage:** https://closerr.in
- **Portal Sign In:** https://closerr.in/login
- **Portal Registration:** https://closerr.in/signup
- **Privacy Policy:** https://closerr.in/privacy
- **Terms of Service:** https://closerr.in/terms
- **Grievance Desk:** privacy@closerr.in