Is it possible that TWITTER inks you through to periscope without needing an account? Like GOOGLE and FACEBOOK do on some platforms.
Look under PRIVACY and SAFETY settings in TWITTER and you will see blurb about connecting to periscope and commenting. Apparently the GO LIVE feature on TWITTER is seamlessly connected to PERISCOPE. (click on the read more in TWITTER)
https://help.twitter.com/en/using-twitter/getting-started-periscope
https://help.twitter.com/en/using-twitter/go-live-together