VOIP and message application
To manually install RingCentral Classic with Homebrew, use the following command:
Current version of Glip.app: 20.4.30
ARM: https://downloads.ringcentral.com/glip/rc/20.4.30/mac/RingCentral%20Classic-20.4.30.dmg
Intel: https://downloads.ringcentral.com/glip/rc/20.4.30/mac/RingCentral%20Classic-20.4.30.dmg