The event timing are as follow:
Session Starts
AI speak
User talk
AI speak
User ask question based on Function
Function/Tool call response received
API Called (external)
Function/Tool result supplied to OpenAI
AI start Speaking ( Here is where where audio abruptly stops)
AI transcript received
This stopping of audio started on 16-17 Jan. Before that, it was working flawlessly. Attached screen recording for reference.