GitHub repository: sarayousrei123/Balance_Query_Service_b_SIP_Voice_Call
Created: 2025-04-16T22:23:30Z
Description: A SIP-based Balance Query System where users call via SIP client, enter their MSISDN using DTMF, and hear their current balance via voice prompts. The system uses Asterisk AGI to fetch balance from a WEB API  connected to a PostgreSQL database.