Uptime Kuma Alert Setup

I need assistance setting up phone call alerts on Uptime Kuma for server downtime.

Requirements:
- Integrate Uptime Kuma with a phone call alert service (Twilio, Plivo, or Nexmo).
- Configure alerts to notify me when the server goes down.

Ideal Skills and Experience:
- Experience with Uptime Kuma
- Familiarity with phone call alert services
- Basic server monitoring knowledge