Additional fixes to the extensions.conf.sample file.

Update the extensions.conf.sample [stdexten] context so that we use the 
variable instead of requiring it to be passed explicitly. Also updated uses of
the [stdexten] context throughout.

(closes issue #15858)
Reported by: pprindeville
Patches:
      stdexten-context-update.txt uploaded by lmadsen (license 10)
Tested by: pprindeville

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@227361 65c4cc65-6c06-0410-ace0-fbb531ad65f3

configs/extensions.conf.sample

@@ -236,7 +236,7 @@ TRUNKMSD=1					; MSD digits to strip (usually 1 or 0)
 ;
 ; List canonical entries here
 ;
-;exten => 12564286000,1,Gosub(stdexten(6000,IAX2/foo))
+;exten => 12564286000,1,Gosub(6000,stdexten(IAX2/foo))
 ;exten => 12564286000,n,Goto(default,s,1)	; exited Voicemail
 ;exten => _125642860XX,1,Dial(IAX2/otherbox/${EXTEN:7})
 
@@ -406,9 +406,9 @@ exten => _s-.,1,NoOp
 [stdexten]
 ;
 ; Standard extension subroutine:
-;   ${ARG1} - Extension
-;   ${ARG2} - Device(s) to ring
-;   ${ARG3} - Optional context in Voicemail (if empty, then "default")
+;   ${EXTEN} - Extension
+;   ${ARG1} - Device(s) to ring
+;   ${ARG2} - Optional context in Voicemail (if empty, then "default")
 ;
 ; Note that the current version will drop through to the next priority in the
 ; case of their pressing '#'.  This gives more flexibility in what do to next:
@@ -422,9 +422,9 @@ exten => _s-.,1,NoOp
 ; previous value (before being declared as LOCAL()) upon Return.
 ;
 exten => _X.,50000(stdexten),NoOp(Start stdexten)
-exten => _X.,n,Set(LOCAL(ext)=${ARG1})
-exten => _X.,n,Set(LOCAL(dev)=${ARG2})
-exten => _X.,n,Set(LOCAL(cntx)=${ARG3})
+exten => _X.,n,Set(LOCAL(ext)=${EXTEN})
+exten => _X.,n,Set(LOCAL(dev)=${ARG1})
+exten => _X.,n,Set(LOCAL(cntx)=${ARG2})
 
 exten => _X.,n,Set(LOCAL(mbx)="${ext}"$["${cntx}" ? "@${cntx}" :: ""])
 exten => _X.,n,Dial(${dev},20)			; Ring the interface, 20 seconds maximum
@@ -527,7 +527,7 @@ exten => 1000,1,Goto(default,s,1)
 ;
 exten => 1234,1,Playback(transfer,skip)		; "Please hold while..."
 					; (but skip if channel is not up)
-exten => 1234,n,Gosub(stdexten(1234,${GLOBAL(CONSOLE)}))
+exten => 1234,n,Gosub(${EXTEN},stdexten(${GLOBAL(CONSOLE)}))
 exten => 1234,n,Goto(default,s,1)		; exited Voicemail
 
 exten => 1235,1,Voicemail(1234,u)		; Right to voicemail
@@ -644,11 +644,11 @@ include => demo
 ;exten => 6391,1,Dial(JINGLE/asterisk@digium.com/mogorman@astjab.org) ;Dial via jingle using asterisk as the transport and calling mogorman.
 ;exten => 6394,1,Dial(Local/6275/n)		; this will dial ${MARK}
 
-;exten => 6275,1,Gosub(stdexten(6275,${MARK}))
+;exten => 6275,1,Gosub(${EXTEN},stdexten(${MARK}))
 						; assuming ${MARK} is something like DAHDI/2
 ;exten => 6275,n,Goto(default,s,1)		; exited Voicemail
 ;exten => mark,1,Goto(6275,1)			; alias mark to 6275
-;exten => 6536,1,Gosub(stdexten(6236,${WIL}))
+;exten => 6536,1,Gosub(${EXTEN},stdexten(${WIL}))
 						; Ditto for wil
 ;exten => 6536,n,Goto(default,s,1)		; exited Voicemail
 ;exten => wil,1,Goto(6236,1)
@@ -715,10 +715,10 @@ include => demo
 ;
 ;[acme-extens]
 ;include => stdexten
-;exten => 111,1,Gosub(stdexten(111,SIP/pete_1,acme))
+;exten => 111,1,Gosub(111,stdexten(SIP/pete_1,acme))
 ;exten => 111,n,Goto(s,exten)
 ;
-;exten => 112,1,Gosub(stdexten(112,SIP/nancy_1,acme))
+;exten => 112,1,Gosub(112,stdexten(SIP/nancy_1,acme))
 ;exten => 112,n,Goto(s,end)
 ;
 ; end of acme example