Page 203 of 1814International ISDN PRI Feature description and administration214Attendant Blocking of Directory NumberContentsThe following are the topics in this section:Feature Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 203Operating parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 204Feature interactions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 205Feature packaging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 211Feature implementation . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 211Task summary list . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 211Feature operation . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 212Feature DescriptionAttendant Blocking of Directory Number (DN) allows a person to dial theattendant DN and request an external (long distance) call, and then disconnectwhile waiting for the call to be processed by the attendant. The requesting DNis idle and can receive and make calls.When the attendant is ready to make the external (long distance) call, theAttendant Blocking of DN feature provides the attendant with the ability toblock the DN while the external call request is being processed. The lineappears busy to any caller attempting to contact the blocked DN. The blockedDN cannot be used to originate a call and will be connected to the attendantif it goes off hook.
