
[DXAI SOLUTIONS ASIA]AI-Based Voice System for Handling Inquiries
Multilingual AI Call Response System for International Customer Support


#1. Introduction.
When receiving a call in a foreign language, the system identifies the language and generates a real-time AI response in that language.
This solution is designed for industries serving international tourists, such as hospitality, travel agencies, and local attractions.
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#2. Challenges.
- One of the key challenges was ensuring the stability of the large language model (LLM) APIs while optimizing both response time and operational cost.
#3. Solution.
- We implemented Pinecone to retrieve and filter only the most relevant information before sending it to the LLM, thereby improving accuracy and reducing processing load.
- Workflow automation with n8n was utilized to streamline API calls, minimizing unnecessary queries and improving efficiency.
- The system infrastructure was built on AWS with a flexible architecture, enabling easy scalability while maintaining cost control.
#4. Achievements.
- This system significantly improves operational efficiency and enhances customer satisfaction, especially for businesses in tourism and other sectors catering to international guests.
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We developed this system to provide a practical and user-friendly multilingual communication solution, based on real-world customer needs.

Nguyen Van Luc
Programer