[asterisk-bugs] [JIRA] (ASTERISK-21741) Improved Caller ID Diagnostics and Processing for FXO Channels

[Vladimir Mikhelson (JIRA)]

     [ https://issues.asterisk.org/jira/browse/ASTERISK-21741?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Vladimir Mikhelson updated ASTERISK-21741:
------------------------------------------

    Attachment: callerid.diff
                chan_dahdi.diff
    
> Improved Caller ID Diagnostics and Processing for FXO Channels
> --------------------------------------------------------------
>
>                 Key: ASTERISK-21741
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-21741
>             Project: Asterisk
>          Issue Type: Improvement
>      Security Level: None
>          Components: Channels/chan_dahdi
>    Affects Versions: 1.8.21.0
>            Reporter: Vladimir Mikhelson
>            Severity: Minor
>         Attachments: callerid.diff, chan_dahdi.diff
>
>
> Current implementation of chan_dahdi fails to pass the "flags" to the dial plan. As a result distinction between failed Caller ID detection, Private Number, and Unknown Number and related Caller ID names becomes impossible. On top of that callerid module assumes a non existent ability to request another Caller ID transmission from an analog channel in case the Caller ID check sum verification fails.
> A couple of simple patches I propose helped me with troubleshooting the Caller ID recognition on analog POTS lines as well as some enhancement to the dial plan based on flags processing.
> I did not test on any other channels but analog.  Possible implications could be expected on other channel types serviced by chan_dahdi.
> Somebody with better architectural knowledge of Asterisk components can easily enhance my patches or make them more universal or just more beautiful. This help is very welcome.

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