This feature allows the disabling of the hookflash function.

The feature is already available in the U.S.and allows for the administration of "featureless" analog telephones for selected users by ignoring any hookflash signal. Station users in various enviroments such as hospitals, elderly care facilities and some hotels often do not require features to be used, in these cases telephone sets without hookflash keys can be provided,and by administration any hookflash signal from the telephone switchooks can be ignored.