Axis P8221 audio/DIO only device failed input trigger state

Description

Axis device without video and only support audio/DIO failed to handle notification events.

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Version introduced

8.6.0.114658

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Platforms

All

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Steps to reproduce

Connect to P8221 and trigger input.

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Expected result

Input trigger as expected.

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Actual result

No input triggered.

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Workaround

Revert to server 8.4.x

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Version fixed

8.7.8.115465

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