She opened a terminal. “Watch. I’m going to walk you through the fix like a story.”
“Once paired, the phone asks: ‘What can you do?’ Our earbud replies via SDP: ‘A2DP for high-quality audio, HFP for calls.’ But the HCI mangles the response packet length.” bluetooth stack
Kai frowned. “So one bad layer breaks the whole stack?” She opened a terminal
Her junior engineer, Kai, looked up. “The stack? Like a pile of code?” bluetooth stack
Kai grinned. “So the whole ‘stack’ is just layers of agreements?”
Lena ran a Bluetooth sniffer. “First, our earbud sends an inquiry — ‘Anyone out there?’ The phone replies. That’s layer one working.”