> rather it is using the User Agent
This is literally the most common method of targeting browsers.
* India has half-hour timezones
* Countries change their DST rules all the time.
* Conversion between timezones is an utter mess.
As Wes McKinney once said about python datetime: "Welcome to Hell"[0]
If that's messy, consider Nepal's timezone that's on the 45-minute mark (UTC+5:45).
Here if I understand you don’t get access to support but to an interpreter who will call the support for you. It’s of no interest if you don’t know ASL
I might receive some slack here, but I gave it a try (I don't know ASL). Within 5 seconds of clicking the button, I was connected to a live human, with both my video and sound, as well as the other person's, turned on (although I did have the ability to switch them off). There was no intermediate step to filter out spam calls. I did cut the call quickly though to avoid wasting their time!
The more such a service gets attention from regular media (instead of the niche, targeted audience it aims to serve), I fear it'll be another case of "why we can't have good things".