Just keep refreshing the page, something will open up. I had to do that for hours before I could book an appointment, coz yeah they never answer the phone.
First, try emailing their office...email address is on their website. They most probably will respond. Request for an appointment because the website appointment app won't show availability for November. If you don't hear back from them in a few days, go there. Be nice and patient. The gentleman is frank and brief and not being rude. He gets a lot of people come in demanding a visa or appointment. Hopefully he'll give you a guide/checklist and some kind of assurance that they'll get back to you...and they will. I had a great experience...but I also saw some pushy people get rejected outright. I got my schengen within good time. Good luck!
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