SYSTEM ADMINISTRATOR'S GUIDEInstallation Manual 213Alternate Extension - DeleteThe system can delete extension numbers from the alternate extension group.Alternate 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, acustomised key operation service can be provided to callers. A maximum of 100 customservices can be established up to 8 layers deep.To select the Alternate Extension - Delete Parameter, follow the menu path asshown:System Administration Top Menu - 1 - 4 - 1 - 3 - 2To select the Alternate Extension - Listing Parameter, follow the menu path asshown:System Administration Top Menu - 1 - 4 - 1 - 3 - 3To select the Custom Service Parameter, follow the menu path as shown:System Administration Top Menu - 1 - 4 - 2 - Custom Service No. (1-100)Table 47Parameter 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 sevices within CustomService.Note: This parameter overrides "Incoming Call ServicePrompt."