[asterisk-bugs] [JIRA] (ASTERISK-28874) res_rtp_asterisk: RFC2833/RFC4733 Minimum signal duration not adhered to

[Ross Beer (JIRA)]

    [ https://issues.asterisk.org/jira/browse/ASTERISK-28874?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=250664#comment-250664 ] 

Ross Beer commented on ASTERISK-28874:
--------------------------------------

I have sent the PCAP over to you. We expect to only receive a single digit on the 'Background' application however it is receiving multiple inputs.

The CLI shows the digits '11' in the invalid context as we are only expecting a single-digit [0-9] in the dial plan.

> res_rtp_asterisk: RFC2833/RFC4733 Minimum signal duration not adhered to
> ------------------------------------------------------------------------
>
>                 Key: ASTERISK-28874
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-28874
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Resources/res_rtp_asterisk
>    Affects Versions: GIT, 16.10.0, 17.4.0
>         Environment: CentOS 7.6
>            Reporter: Ross Beer
>            Assignee: Ross Beer
>            Severity: Minor
>
> The minimum RFC2833/RFC4733 DTMF signal duration should be 40ms, however Asterisk processes packets with the duration less than this.
> Any packets less than 40ms should be discarded and therefore ignored when using the Read and Background applications.



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