So, you will see a new field on the branding module, “Meet URL“, here you will put the URL of your own Jitsi Meet Server.
If you want to install your own Jitsit meet server, here is the manual,
http://repo.vitalpbx.org/TrainingCourse2020/HowToInstallJitsiMeet.pdf
On Digital Ocean, you may find the Jitsi Meet server in the market place, so, it will be easier to install it.
