[asterisk-bugs] [JIRA] Commented: (ASTERISK-20295) Asterisk is not incrementing the sequence numbers for the retransmission of the DTMF end packets(RTPEvent packet with end bit set to 1)

Mark Michelson (JIRA) noreply at issues.asterisk.org
Thu Aug 30 08:10:07 CDT 2012


    [ https://issues.asterisk.org/jira/browse/ASTERISK-20295?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=196425#comment-196425 ] 

Mark Michelson commented on ASTERISK-20295:
-------------------------------------------

Okay, if 1.4 and 1.6.1 and 1.6.2 had this behavior, I'm willing to change it in 1.8 forward without the need for an option. I'll do a review of Michael's patch on review board today.

> Asterisk is not incrementing the sequence numbers for the retransmission of the DTMF end packets(RTPEvent packet with end bit set to 1) 
> ----------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: ASTERISK-20295
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-20295
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Resources/res_rtp_asterisk
>    Affects Versions: 1.8.15.0, 10.7.0, 11.0.0-beta1
>         Environment: OS: Debian squeeze distribution x86_64 architecture
>            Reporter: NITESH BANSAL
>            Assignee: Michael L. Young
>            Severity: Minor
>         Attachments: 01_rtp_event_seq_num.patch, asterisk-20295-dtmf-fix-cleanup.diff
>
>
> Issue: 
> All 3 retransmitted ending packets share the same sequence number, which does not comply with RFC 4733 Sect. 2.5.1.6. RTP Sequence Number
> The RTP sequence number MUST be incremented by one in each successive RTP packet sent. Incrementing applies to retransmitted as well as
> initial instances of event reports, to permit the receiver to detect lost packets for RTP Control Protocol (RTCP) receiver reports.

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