sipgate

Install command: 
brew install --cask sipgate

Name: sipgate

Softphone for making telephone calls over the internet

https://www.sipgate.de/app

Cask JSON API: /api/cask/sipgate.json

Cask code: sipgate.rb on GitHub

Current version: 2.23.2

Former tokens: clinq, sipgate-clinq

Requirements: macOS >= 11

Analytics:

Installs (30 days)
sipgate 50
Installs (90 days)
sipgate 73
Installs (365 days)
sipgate 108