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

[Vladimir Mikhelson (JIRA)]

Vladimir Mikhelson created ASTERISK-21741:
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             Summary: 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


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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