The welcome email does not send the FQDN for Domain/IP,
FDQN is highlighted in the QR viewer, and the Hostname under network setting is populated with our FQDN.
Below is what I am receiving in the extension welcome email.
Domain/IP: 95-89-48-216-static.hfc.comcastbusiness.net
Extension: 3000
Username: 3000
Password: 2q2B7Q7kX2YbAZ
Features Password: *76784
Voicemail Access Code: *97