"Ok, we're all here. Wait, where's Mike?"
"I think he was making coffee. Let's wait for him."
"Hey, is Zhang saying something?"
"Zhang, say something."
"..."
"I think your microphone is broken."
"Can you disconnect and reconnect?"
"Hey, he's typing something. I... will... reboot. Ok, let's wait for him to reboot."
"Hey, Mike's back. Someone tell him we're waiting on Zhang to reboot."
"I don't think he can hear us."
"Guys, I'm gonna go grab a coffee while Mike and Zhang figure it out."
In the context of this conversation around remote only companies though, everyone is going to be set up to be able to properly participate in a video call - that means making sure everyone has a decent internet connection, microphone, and camera at home. When people aren't at home tools like Zoom have the ability for them to dial in to conferences on a regular phone which deals with the remaining problems.
I've worked mostly remote for many years and please trust me - it's almost exactly the same, with every weekly meeting starting with "is everyone here", "do you hear me?" etc etc.
This is especially when working from home - typical residential connections are having less nicer SLA and may get flaky from time to time. And someone may leave their phone near mic cable. Or someone's machine may need rebooting. Or conferencing service may be experiencing problems.
Glad if it's not like this for some, but I believe it's not exactly uncommon.
I don't do standups anymore, but at my last company, they often took about 5 minutes from dialing to hangup.
Being late or grabbing coffee instead of starting a meeting are culture problems at a company, not problems with the medium.
You've had better luck than I have. Our New York team is still dealing with the problem of the Boston office being virtually inaudible, while Dublin sounds like they're speaking through a megaphone directly into my ear.
That is, assuming we didn't lose a room, or the Hangouts equipment isn't broken - then Boston uses our manager's laptop, which actually sometimes has better sound quality.