[asterisk-bugs] [JIRA] (ASTERISK-25188) Fax Detection through RFC2833

[Krzysztof Chmielewski (JIRA)]

    [ https://issues.asterisk.org/jira/browse/ASTERISK-25188?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=226587#comment-226587 ] 

Krzysztof Chmielewski commented on ASTERISK-25188:
--------------------------------------------------

Hi,
thank You very much.

Best Regards
Krzysiek

> Fax Detection through RFC2833
> -----------------------------
>
>                 Key: ASTERISK-25188
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-25188
>             Project: Asterisk
>          Issue Type: Information Request
>      Security Level: None
>          Components: Core/General
>    Affects Versions: 11.16.0
>            Reporter: Krzysztof Chmielewski
>         Attachments: fax.cap
>
>
> Hi,
> does Asterisk supports fax detection through faxdetect option if CNG signal is coming in RFC 2833 RTP Event? I have WorkCentre 3220 trying to send FAX to may Asterisk 11.16.0 (faxdetect = yes). The CNG tone is coming to Asterisk through RFC 2833 RTP Event, and Asterisk seems to ignore it, event when i sent DTMF mode to RFC. When CNG comes in RTP stream everything works fine.
> I'm attaching trace from this scenario. 



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