On a recent customer service call, I bid the agent goodbye but did not hang up (deliberately - I wanted to see if they would terminate the call). The rep held the call open for a good 2-3 minutes even though there was nothing from my end except some typing. I’m fairly sure I heard some small sounds from their end so they didn’t just switch to another line. I’m not usually paranoid - but moments like this remind me to…
Ever heard a concept of comfort noise [0]? Maybe some call center software can add something analogous when necessary. Like noises you'd expect in a call center.