### - u -

- unit() : QXmppVCardOrganization
- unsubscribe() : QXmppRosterManager
- updateCounter() : QXmppLoggable , QXmppLogger
- uploadServices() : QXmppUploadRequestManager
- uri() : QXmppDataForm::MediaSource
- uris() : QXmppDataForm::Media
- url() : QXmppBookmarkUrl , QXmppVCardIq
- urls() : QXmppBookmarkSet
- useNonSASLAuthentication() : QXmppConfiguration
- user() : QXmppConfiguration
- username() : QXmppPasswordRequest , QXmppRegisterIq
- useSASLAuthentication() : QXmppConfiguration
- utc() : QXmppEntityTimeIq