[asterisk-bugs] [JIRA] (ASTERISK-22720) devstate incorrectly cached on trasfer of a DAHDI->SIP call.

[Tzafrir Cohen (JIRA)]

Tzafrir Cohen created ASTERISK-22720:
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             Summary: devstate incorrectly cached on trasfer of a DAHDI->SIP call.
                 Key: ASTERISK-22720
                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-22720
             Project: Asterisk
          Issue Type: Bug
      Security Level: None
          Components: Channels/chan_dahdi
    Affects Versions: 11.5.1, 1.8.23.1
            Reporter: Tzafrir Cohen
            Severity: Minor


To reproduce:

Setup: A DAHDI extension that can call to a SIP extension and to at least any other exteension (may be anything).

To reproduce:

1. Run 'event dump cache DeviceState' to see DAHDI device is not there.

2. From the DAHDI extension dial to the SIP extension.

3. In the DAHDI extension press flash for an attended transfer.

4. Dial the other extension number and hang up.

5. In the CLI, run 'event dump cache DeviceState'. You'll see the DADHI device listed as 2 (in use).

Expected results: in stage 5, the state of the DAHDI device should not have appeared in the cache, or listed as "unknown".

A workaround patch is attached, to forcfully disable caching of DAHDI devices.

Marked as regression as it has worked OK up until 1.8.19. Broken in 1.8.20.

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