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Welcome to the IVR system performance and load testing environment. This is an automated message designed to test maximum file size handling, audio streaming performance, and system stability under heavy audio payloads. Please listen carefully to the following options. Press 1 for account information and balance inquiry. Press 2 for technical support and troubleshooting assistance. Press 3 for billing, payments, and invoice related queries. Press 4 for service activation and deactivation requ