Latest Service Agent Skype URI Preview user agents:

User Agent PlatformDevice
Mozilla/5.0 (Windows NT 6.1; WOW64) SkypeUriPreview Preview/0.5 skype-url-previewmicrosoft.com UnknownUnknown
Mozilla/5.0 (Windows NT 6.1; WOW64) SkypeUriPreview Preview/0.5 skype-url-preview@microsoft.com UnknownUnknown
Mozilla/5.0 (Windows NT 6.1; WOW64) SkypeUriPreview Preview/0.5 UnknownUnknown