Fiddler analyse websocket session incorrect. Incorrect text is in the websocket session.
For examble, websession https://wsapi.skype.com/?platform=1418/8.40.0.70&cloud=apis&clientInfo=os%3DWindows%3B%20osVer%3D7%3B%20proc%3Dx86%3B%20lcid%3Dru-RU%3B%20deviceType%3D1%3B%20country%3DRU%3B%20clientName%3Dskype4life%3B%20clientVer%3D1418%2F8.40.0.70%2F%2Fskype4life%3B%20timezone%3DEurope%2FMoscow in the web skype.