[asterisk-bugs] [JIRA] (ASTERISK-26236) DSP can be fed slin with different rate than setup.

[Richard Mudgett (JIRA)]

     [ https://issues.asterisk.org/jira/browse/ASTERISK-26236?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Richard Mudgett updated ASTERISK-26236:
---------------------------------------

    Attachment: diff_ast_v13.txt

[diff_ast_v13.txt] - Notes where the DSP code needs to be made to work with any incoming slin sample rate.

Either that or chan_sip/chan_pjsip needs to prevent passing slin frames that are not 8K sample rate when looking DTMF or fax tones.

> DSP can be fed slin with different rate than setup.
> ---------------------------------------------------
>
>                 Key: ASTERISK-26236
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-26236
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>            Reporter: Richard Mudgett
>         Attachments: diff_ast_v13.txt
>
>
> It is possible to feed the {{ast_dsp_process()}} routine slin frames of different sampling rates than what the DSP was setup to handle.  This is mainly concerning the SIP/PJSIP channel drivers where slin16 could be negotiated but the DSP is only ever setup for 8K samples/second fax detection.



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