SYSTEM ADMINISTRATOR'S GUIDEInstallation Manual 249Alternate Extension-ListingLists all of the extensions registered in the alternate extension group.B5.2 Custom ServiceCustom Service is one of 4 incoming call services. By assigning a function to each key, youcan provide callers with a customised key operation service. You can establish a maximum of100 Custom Services with the possible depth of 8 layers. The Message Manager should recordCustom Service Menus so that callers will know which key to press.NoteCallers cannot jump between Custom Service menus more than 8 times.To access the proper menu for Alternate Extension-Listing Parameter, follow themenu path as shown:System Administration Top Menu-1-4-1-3-3To access the proper menu for Custom Service Parameter, follow the menu path asshown:System Administration Top Menu-1-4-2-Custom Service No.(1-100)Table 48Parameter Value Range(Default)Description/FunctionDescription Up to 32characters(None)The information typed in this field is for reference only.Any ASCII character (except \) can be used.Prompt Mode 1. System2. User 13. User 2(System)Specifies the language of services within CustomService.Note: This parameter overrides "Incoming Call ServicePrompt".Menu RepeatCycle1-3 times(3)Specifies the number of times Custom Service menumessages will be repeated to the caller.