[asterisk-bugs] [JIRA] (ASTERISK-21492) RTP packetization negotiated at ptime=30 for first leg; ptime=20 for second leg results in deltas of 20/40ms and 30/0ms

[Rusty Newton (JIRA)]

    [ https://issues.asterisk.org/jira/browse/ASTERISK-21492?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=205826#comment-205826 ] 

Rusty Newton commented on ASTERISK-21492:
-----------------------------------------

We acknowledged this as a bug. It looks like a different issue than ASTERISK-20650.
                
> RTP packetization negotiated at ptime=30 for first leg; ptime=20 for second leg results in deltas of 20/40ms and 30/0ms
> -----------------------------------------------------------------------------------------------------------------------
>
>                 Key: ASTERISK-21492
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-21492
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Channels/chan_sip/General, Resources/res_rtp_asterisk
>    Affects Versions: 1.8.21.0
>            Reporter: i2045
>            Assignee: i2045
>         Attachments: 1_8_21_0_packetization_extensions.conf, 1_8_21_0_packetization.pcap, 1_8_21_0_packetization_rtp.conf, 1_8_21_0_packetization_sip.conf, 1_8_21_0_packetization.txt
>
>
> I use the same configuration as ASTERISK-20976.
> User A sends RTP each 20ms. User B has packetization set to :30.
> I now see: A -> 20ms20ms20ms20ms20ms20ms -> Asterisk -> 20ms40ms20ms40ms -> B.
> I would expect: A -> 20ms20ms20ms20ms20ms20ms -> Asterisk -> 30ms30ms30ms30ms -> B.
> Can i make Asterisk send RTP packets each 30 ms?

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