[asterisk-bugs] [JIRA] (ASTERISK-21170) DTMF timestamp issue

[Jonathan Rose (JIRA)]

    [ https://issues.asterisk.org/jira/browse/ASTERISK-21170?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=211047#comment-211047 ] 

Jonathan Rose commented on ASTERISK-21170:
------------------------------------------

Alright, I thought it was something like that, I just wasn't sure what the exact time scale we were converting to was.
                
> DTMF timestamp issue
> --------------------
>
>                 Key: ASTERISK-21170
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-21170
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Resources/res_rtp_asterisk
>    Affects Versions: SVN
>         Environment: x86_64 Debian Squeeze
>            Reporter: NITESH BANSAL
>            Assignee: Jonathan Rose
>         Attachments: DTMF-TIME-STAMP-ISSUE.tar.gz, dtmf-timestamp.patch
>
>
> Asterisk assumes that every RTP packet is 20 ms apart which does not work for the start and stop of DTMF and it causes issues for the equipment which tries to render the RTPEvent DTMF back into Inband.
> High jitter values have been observed for the DTMF packets.

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