Case Study

Building a Multilingual AI Voice Assistant to Achieve 65% Reduced Manual Engagement and 60% Faster Response Times for InDiiServe AI

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Industry 

Business Consulting and Services

Expertise 

Amazon EC2, Amazon Bedrock, Amazon Bedrock Knowledge Base, Amazon DynamoDB, Amazon S3

Offerings/solutions 

Real-time multilingual AI voice assistant platform with intelligent travel knowledge retrieval and automated post-call summarization.

About the Client

InDiiServe AI is a technology-driven company focused on AI automation, digital transformation, and intelligent business solutions. The company helps organizations improve customer engagement and operational efficiency using AI-powered platforms, conversational AI, and modern cloud technologies to deliver scalable and personalized customer experiences.

Highlights

65%

Reduced Manual Customer Engagement

60%

Reduced Average Customer Wait and Response Time

70%

Improved Information Capture Accuracy

The Challenge

The customer required a scalable real-time conversational AI platform capable of supporting multilingual voice interactions with low latency and human-like responses. The solution also needed intelligent travel knowledge retrieval, external search integration, personalized caller memory for returning users, automated post-call summarization, and secure telephony orchestration for inbound and outbound calls.

Solutions

• Implemented a real-time speech-to-speech conversational AI platform using Amazon Bedrock Nova Sonic.
• Configured Exotel PSTN/SIP integration with secure WebSocket streaming through Amazon CloudFront.
• Deployed a FastAPI-based backend on Amazon EC2 for bidirectional audio streaming and call orchestration.
• Implemented Amazon Bedrock Knowledge Base with Amazon S3 for semantic travel information retrieval.
• Integrated SerpAPI, Titan Embeddings v2, and FAISS vector caching for intelligent external search with reduced latency.
• Used Amazon DynamoDB to store caller history, preferences, transcripts, and personalized conversation context.
• Automated post-call summarization and analytics using AWS Lambda and Amazon Bedrock Qwen 3 235B.
• Implemented centralized monitoring, audit logging, and secure access controls using Amazon CloudWatch, AWS CloudTrail, and AWS IAM.

The Results

Achieved 65% reduction in manual customer engagement, 60% faster response times, and 70% improved data capture accuracy through an AI-powered multilingual voice assistant with intelligent travel knowledge retrieval and automated conversation handling.

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