1945undo service-type ppp [ call-number | callback-nocheck | callback-number ]View Local user viewParameter call-number call-number: Specifies a caller number for ISDN user authentication,which is a string of 1 to 64 characters.[ : subcall-number ]: Specifies the sub-caller number. The total length of the callernumber and the sub-caller number must be less than 62 characters.callback-nocheck: Enables the PPP user callback without authentication feature.callback-number callback-number: Specifies a callback number, which is a stringof 1 to 64 characters.Description Use the service-type ppp command to authorize a user to use the PPP serviceand configure the callback attribute and caller number of the user.Use the undo service-type ppp command to restore their default settings.By default, no service is authorized to a user; if the PPP service is authorized,callback without authentication is enabled, no callback number is specified, andthe system does not authenticate the caller number of ISDN users.Related command: service-type and service-type ftp.Example # Authorize user user1 to use the PPP service and enable the callback withoutauthentication feature. system-view[Sysname] local-user user1[Sysname-luser-user1] service-type ppp callback-nocheckstateSyntax state { active | block }View ISP domain view/local user viewParameter active: Places the current ISP domain or local user in the active state, allowing theusers in the current ISP domain or the current local user to request networkservices.block: Places the current ISP domain or local user in the blocked state, preventingusers in the current ISP domain or the current local user from requesting networkservices.Description Use the state command to configure the status of the current ISP domain or localuser.