[asterisk-bugs] [JIRA] (ASTERISK-28974) res_rtp_asterisk: T.140 messages have appended RTP string to each message block.

[Thomas Johnson (JIRA)]

     [ https://issues.asterisk.org/jira/browse/ASTERISK-28974?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Thomas Johnson updated ASTERISK-28974:
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    Attachment: rtt_filt.pcapng

Here is the packet trace.   172.25.54.194 is IP address of the Asterisk switch 172.25.53.18 was the caller and 172.25.54.43 answered the call.  Wasn't sure how much you wanted so this is all SIP and RTP.   I generally use rtp.p_type!=0 as filter to just see the T.140 packets.


> res_rtp_asterisk: T.140 messages have appended RTP string to each message block.
> --------------------------------------------------------------------------------
>
>                 Key: ASTERISK-28974
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-28974
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Resources/res_rtp_asterisk
>    Affects Versions: 13.23.0, 16.7.0
>         Environment: CentOS 7
>            Reporter: Thomas Johnson
>            Assignee: Thomas Johnson
>            Severity: Minor
>         Attachments: rtt_filt.pcapng
>
>
> I am sure this effects all versions 13-17.   But when Asterisk sends T.140 messages or packets the messages in RED format, it appends an RTP\0 to each message block.
> If you are unsure about how to do this, SipCon1 and make sure use insecure=invite in your SIP configuration since SipCon1 does not support authenticed invites.



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