[asterisk-bugs] [JIRA] (ASTERISK-21916) Call hangs when FILTER function is used in dial plan

[Rusty Newton (JIRA)]

    [ https://issues.asterisk.org/jira/browse/ASTERISK-21916?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=209873#comment-209873 ] 

Rusty Newton commented on ASTERISK-21916:
-----------------------------------------

Elizabeth, I'll go ahead and suspend the issue since we don't have anything to work with at this time. Feel free to comment on it again when you have additional information and we can look at opening it again. You can always ping a bug marshal on #asterisk-bugs at irc.freenode.net if you have questions.
                
> Call hangs when FILTER function is used in dial plan
> ----------------------------------------------------
>
>                 Key: ASTERISK-21916
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-21916
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Functions/func_strings
>    Affects Versions: 11.4.0
>         Environment: Latest binaries of Asterisk 11.4.0 from Optware repository running on an Asus RT-n66u (Tomato USB based router, MIPS 74K V4.9) with firmware 3.0.0.4.270.25 (rmerlin variant) and Linux 2.6.22.19, installed on an ext3 partition on external HD
>            Reporter: Elizabeth Hudnott
>            Assignee: Elizabeth Hudnott
>            Severity: Critical
>         Attachments: debug.log
>
>
> Whenever the FILTER function is used in the dial plan the call hangs.  No further dial plan steps get executed, ringing tone ceases, the call remains open until Asterisk is restarted and CPU utilization increases sharply.
> Simple dial plan extract to reproduce the problem:
> {noformat}
> exten=>**4,1,Verbose(${FILTER(0-9,123)})
> same=>n,Hangup()
> {noformat}
> This behaviour occurs consistently every time the extension is dialled from CSipSimple sofphone.

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