For those in need of a softphone that works with asterisk with security to be able to Work From Home, we at Integra have a softphone you can use (free), there ares some features related to our product (uContact) but you will find the basics there, it also support video calls.
https://integra-scm.atlassian.net/wiki/spaces/UCEN/pages/407685172/uPhoneX
Works for Windows, Linux, Mac, Android