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Document a limitation in the AVAILSTATUS variable from ChanIsAvail and provide

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a workaround for it that does not change existing behavior.

(closes issue #14426)
Reported by: macli


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@229965 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Joshua Colp
2009-11-13 17:19:59 +00:00
parent 251f196760
commit 2ef94c5196
2 changed files with 7 additions and 2 deletions
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7
apps/app_chanisavail.c
View File

@@ -55,7 +55,12 @@ static char *synopsis = "Check channel availability";
static char *descrip =
" ChanIsAvail(Technology/resource[&Technology2/resource2...][|options]): \n"
"This application will check to see if any of the specified channels are\n"
"available. The following variables will be set by this application:\n"
"available. Note that the AVAILSTATUS variable is used for both device state\n"
"and cause code. It is therefore possible for it to give a value that may\n"
"indicate a device is available when it is not. It is suggested that the\n"
"AVAILORIGCHAN variable is used instead to see whether a device is available\n"
"or not.\n"
"The following variables will be set by this application:\n"
" ${AVAILCHAN} - the name of the available channel, if one exists\n"
" ${AVAILORIGCHAN} - the canonical channel name that was used to create the channel\n"
" ${AVAILSTATUS} - the status code for the available channel\n"

2
configs/extensions.conf.sample
View File

@@ -449,7 +449,7 @@ exten => a,1,VoicemailMain(${ARG1}) ; If they press *, send the user into Voice
; ${ARG1} - Device to page
exten => s,1,ChanIsAvail(${ARG1}|js) ; j is for Jump and s is for ANY call
exten => s,n,GoToIf([${AVAILSTATUS} = "1"]?autoanswer:fail)
exten => s,n,GoToIf([${AVAILORIGCHAN} = ""]?fail:autoanswer)
exten => s,n(autoanswer),Set(_ALERT_INFO="RA") ; This is for the PolyComs
exten => s,n,SIPAddHeader(Call-Info: Answer-After=0) ; This is for the Grandstream, Snoms, and Others
exten => s,n,NoOp() ; Add others here and Post on the Wiki!!!!