Sometime, probably close to 20 years ago, but perhaps more recently, you heard a dial tone for the last time and you didn’t even realize it would be.
Sometime, probably close to 20 years ago, but perhaps more recently, you heard a dial tone for the last time and you didn’t even realize it would be.
It’s actually fake, though. IP phones “play” that. Also, when on a call, they insert "comfort noise, that very low hiss you may hear, to augment the odd feeling most get with crystal clear VOIP audio.