Trivandrum International Airport: High-Density Passenger Wi-Fi
How Indio Networks deployed carrier-grade UniBox controllers and Indio Cloud management across Terminal 1 and Terminal 2, delivering fast SMS OTP authentication, bandwidth policies, and DoT compliance for 4 to 5 million annual travelers.
About Trivandrum International Airport
Trivandrum International Airport is an important gateway to Kerala, welcoming approximately 4 to 5 million passengers every year. With Terminal 1 serving domestic flights and Terminal 2 handling both international and domestic flights, the airport caters to a large and diverse flow of passengers every day.
For today's travelers, staying connected is an essential part of the airport experience—whether checking flight information, communicating with family, accessing online services, or passing time before departure. The airport required a high-capacity, carrier-grade wireless solution delivering seamless coverage, rapid SMS OTP authentication, robust logging, and centralized controller management.
Project Profile
Overview, Requirements & Solution
Executive summary of Trivandrum International Airport's high-density passenger Wi-Fi deployment.
Overview
Welcoming 4 to 5 million passengers annually across domestic Terminal 1 and international/domestic Terminal 2, Trivandrum International Airport needed high-performance, uninterrupted wireless connectivity for millions of traveling passengers.
Key Requirements
- Seamless, high-density Wi-Fi coverage across all passenger terminal areas.
- Fast and secure guest onboarding via mobile SMS OTP verification.
- Bandwidth management policies and fair-usage session time allocations.
- Full compliance with telecommunications security and IPDR logging norms.
- Centralized controller management and real-time infrastructure visibility.
How We Helped
- Deployed UniBox carrier-grade controllers across airport terminals.
- Implemented SMS OTP captive portal for zero-touch passenger onboarding.
- Configured dynamic bandwidth shaping and session timeout rules.
- Enabled DoT-compliant IPDR user logging and traceability.
- Delivered Indio Cloud centralized management for single-dashboard control.
Operational Challenges & Technical Solutions
Overcoming high user concurrency, surge traffic, and strict compliance demands in a mission-critical international aviation environment.
The Operational Challenges
Surge traffic, multi-terminal onboarding & complianceHigh Peak Passenger Density
Passengers arrive in dense waves during flight check-in and boarding windows, creating sudden spikes in wireless connection requests across departure lounges and boarding gates.
Diverse Device Onboarding
Domestic and international travelers carry diverse smartphones, laptops, and tablets requiring a fast, responsive captive portal without complex registration hurdles.
Strict Regulatory & Security Compliance
Aviation and telecom regulations require verified mobile authentication, strict session limits, and detailed IPDR logs for legal compliance and airport security.
Distributed Multi-Terminal Management
Operating across separate domestic and international terminals required a unified controller architecture with central visibility and proactive monitoring.
The Indio Solution
UniBox Controller, SMS OTP Portal & Indio CloudCarrier-Grade UniBox Gateway
UniBox gateway controllers manage thousands of concurrent passenger sessions, handling high-throughput routing, network address translation, and policy enforcement.
Automated SMS OTP Authentication
Branded captive portal allows travelers to receive instant SMS verification codes on their mobile phones, completing onboarding within seconds.
Dynamic Bandwidth & Time Quotas
Implemented per-user bandwidth limits and session timers ensuring equitable network performance for all passengers across waiting lounges and food courts.
Centralized Indio Cloud & IPDR Logging
Indio Cloud provides real-time traffic diagnostics, AP status monitoring, and automated IPDR logging in full compliance with telecommunication security standards.
Results & Impact
Key achievements delivered by Indio Networks at Trivandrum International Airport.
4–5M Passengers
Supported annual passenger flow with high-speed, dependable Wi-Fi.
Instant SMS OTP
Fast, verified mobile login on customized airport captive portals.
DoT Compliance
Automated IPDR logs, user session tracking, and security auditing.
Central Cloud Control
Unified visibility and real-time monitoring across Terminal 1 & 2.
Deployed Technology Stack
Enterprise and carrier-grade network gateways and cloud software powering Trivandrum International Airport.
UniBox Controller
Carrier-Grade Gateway & AAA Server
High-capacity gateway controller managing subscriber authentication, bandwidth quotas, policy routing, and user session management.
SMS OTP Captive Portal
Zero-Touch Verification Engine
Customized guest portal providing automated SMS OTP generation and validation for rapid passenger onboarding.
Indio Cloud Management
Centralized Cloud Platform & IPDR Logger
Cloud-based management console for multi-terminal device monitoring, live traffic telemetry, and DoT-compliant IPDR log generation.