[asterisk-bugs] [JIRA] (ASTERISK-22790) check_modem_rate() may return incorrect rate for V.27

[Paolo Compagnini (JIRA)]

    [ https://issues.asterisk.org/jira/browse/ASTERISK-22790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=212707#comment-212707 ] 

Paolo Compagnini commented on ASTERISK-22790:
---------------------------------------------

I tested the latest svn because ASTERISK-21242 was solved an I thought maybe this issue was related. 
But it isn't. Same issue with r403450
                
> check_modem_rate() may return incorrect rate for V.27
> -----------------------------------------------------
>
>                 Key: ASTERISK-22790
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-22790
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Resources/res_fax
>    Affects Versions: 11.6.0
>            Reporter: Paolo Compagnini
>            Severity: Minor
>         Attachments: res_fax.txt
>
>
> regarding to wikipedia(and others) "The new V.27ter and V.32 standards were able to transmit 4 bits per symbol, at a rate of 1,200 or 2,400 baud, giving an effective bit rate of 4,800 or 9,600 bit/s"
> so in case the rate is 2400 or 9600 the function may return the wrong  value.

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