Secure access telephony server system

摘要: A telephony server system having the capability of providing secure access to stored information and/or facilities includes a (10) connected telephones (14) (or other equipment) either via PSTN or PABX. The is also database (16) holding details authorised users' PINs. When user rings in and attempts by entering his PIN, if PIN valid according (16), random number generated sent predetermined route such as paging (24, 26). then enters whereupon allowed. Since can be used only once for each attempt, subsequent fraudulent use will not allow further access.