[asterisk-bugs] [JIRA] (ASTERISK-29869) rtp sequence number can skip after DTMF under certain bridges

[Torrey Searle (JIRA)]

     [ https://issues.asterisk.org/jira/browse/ASTERISK-29869?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Torrey Searle updated ASTERISK-29869:
-------------------------------------

    Attachment: dtmf_gap_seq2.pcapng

> rtp sequence number can skip after DTMF under certain bridges
> -------------------------------------------------------------
>
>                 Key: ASTERISK-29869
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-29869
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Resources/res_rtp_asterisk
>    Affects Versions: 16.7.0
>            Reporter: Torrey Searle
>         Attachments: dtmf_gap_seq2.pcapng
>
>
> while generating dtmfs, asterisk is not updating expectedseqno of packets that happen during that time.
> this can result in asterisk making a jump in sequence numbers after the DTMF ends when it sees expectedseqno has fallen behind of the seqno of the frames it is forwarding
> attached is a pcap showing the issue, filter on udp.dstport==8000 to see the rtp stream that has the jump in sequence numbers at the end of each dtmf



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