This file is indexed.

/etc/asterisk/asterisk.adsi is in asterisk-config 1:11.7.0~dfsg-1ubuntu1.

This file is owned by root:root, with mode 0o640.

The actual contents of the file can be viewed below.

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;
; Asterisk default ADSI script
;
;
; Begin with the preamble requirements
;
DESCRIPTION "Asterisk PBX"		; Name of vendor
VERSION 0x00						; Version of stuff
;SECURITY "_AST"					; Security code
SECURITY 0X9BDBF7AC				; Security code
FDN 0x0000000F						; Descriptor number

;
; Flags
;
FLAG "nocallwaiting"

;
; Predefined strings
;
DISPLAY "titles" IS "** Asterisk PBX **"
DISPLAY "talkingto" IS "Call active." JUSTIFY LEFT
DISPLAY "callname" IS "$Call1p" JUSTIFY LEFT
DISPLAY "callnum" IS "$Call1s" JUSTIFY LEFT
DISPLAY "incoming" IS "Incoming call!" JUSTIFY LEFT
DISPLAY "ringing" IS "Calling... " JUSTIFY LEFT
DISPLAY "callended" IS "Call ended." JUSTIFY LEFT
DISPLAY "missedcall" IS "Missed call." JUSTIFY LEFT
DISPLAY "busy" IS "Busy." JUSTIFY LEFT
DISPLAY "reorder" IS "Reorder." JUSTIFY LEFT
DISPLAY "cwdisabled" IS "Callwait disabled"
DISPLAY "empty" IS "asdf"

;
; Begin soft key definitions
;
KEY "callfwd" IS "CallFwd" OR "Call Forward"
	OFFHOOK
	VOICEMODE
	WAITDIALTONE
	SENDDTMF "*60"
	GOTO "offHook"
ENDKEY

KEY "vmail_OH" IS "VMail" OR "Voicemail"
	OFFHOOK
	VOICEMODE
	WAITDIALTONE
	SENDDTMF "8500"
ENDKEY

KEY "vmail" IS "VMail" OR "Voicemail"
	SENDDTMF "8500"
ENDKEY

KEY "backspace" IS "BackSpc" OR "Backspace"
	BACKSPACE
ENDKEY

KEY "cwdisable" IS "CWDsble" OR "Disable Call Wait"
	SENDDTMF "*70"
	SETFLAG "nocallwaiting"
	SHOWDISPLAY "cwdisabled" AT 4
	TIMERCLEAR
	TIMERSTART 1
ENDKEY

KEY "cidblock" IS "CIDBlk" OR "Block Callerid"
	SENDDTMF "*67"
	SETFLAG "nocallwaiting"
ENDKEY

;
; Begin main subroutine
;

SUB "main" IS
	IFEVENT NEARANSWER THEN
		CLEAR
		SHOWDISPLAY "titles" AT 1 NOUPDATE
		SHOWDISPLAY "talkingto" AT 2 NOUPDATE
		SHOWDISPLAY "callname" AT 3
		SHOWDISPLAY "callnum" AT 4
		GOTO "stableCall"
	ENDIF
	IFEVENT OFFHOOK THEN
		CLEAR
		CLEARFLAG "nocallwaiting"
		CLEARDISPLAY
		SHOWDISPLAY "titles" AT 1
		SHOWKEYS "vmail"
		SHOWKEYS "cidblock"
		SHOWKEYS "cwdisable" UNLESS "nocallwaiting"
		GOTO "offHook"
	ENDIF
	IFEVENT IDLE THEN
		CLEAR
		SHOWDISPLAY "titles" AT 1
		SHOWKEYS "vmail_OH"
	ENDIF
	IFEVENT CALLERID THEN
		CLEAR
;		SHOWDISPLAY "titles" AT 1 NOUPDATE
;		SHOWDISPLAY "incoming" AT 2 NOUPDATE
		SHOWDISPLAY "callname" AT 3 NOUPDATE
		SHOWDISPLAY "callnum" AT 4
	ENDIF
	IFEVENT RING THEN
		CLEAR
		SHOWDISPLAY "titles" AT 1 NOUPDATE
		SHOWDISPLAY "incoming" AT 2
	ENDIF
	IFEVENT ENDOFRING THEN
		SHOWDISPLAY "missedcall" AT 2
		CLEAR
		SHOWDISPLAY "titles" AT 1
		SHOWKEYS "vmail_OH"
	ENDIF
	IFEVENT TIMER THEN
		CLEAR
		SHOWDISPLAY "empty" AT 4
	ENDIF
ENDSUB

SUB "offHook" IS
	IFEVENT FARRING THEN
		CLEAR
		SHOWDISPLAY "titles" AT 1 NOUPDATE
		SHOWDISPLAY "ringing" AT 2 NOUPDATE
		SHOWDISPLAY "callname" at 3 NOUPDATE
		SHOWDISPLAY "callnum" at 4
	ENDIF
	IFEVENT FARANSWER THEN
		CLEAR
		SHOWDISPLAY "talkingto" AT 2
		GOTO "stableCall"
	ENDIF
	IFEVENT BUSY THEN
		CLEAR
		SHOWDISPLAY "titles" AT 1 NOUPDATE
		SHOWDISPLAY "busy" AT 2 NOUPDATE
		SHOWDISPLAY "callname" at 3 NOUPDATE
		SHOWDISPLAY "callnum" at 4
	ENDIF
	IFEVENT REORDER THEN
		CLEAR
		SHOWDISPLAY "titles" AT 1 NOUPDATE
		SHOWDISPLAY "reorder" AT 2 NOUPDATE
		SHOWDISPLAY "callname" at 3 NOUPDATE
		SHOWDISPLAY "callnum" at 4
	ENDIF
ENDSUB

SUB "stableCall" IS
	IFEVENT REORDER THEN
		SHOWDISPLAY "callended" AT 2
	ENDIF
ENDSUB