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If you think a problem is caused by the failure or malfunction of an Avaya IR system channel, NMS card, or VoIP card, you can check the state of the component. To check card and channel states, go to the Display Equipment screen (Configuration Management > Voice Equipment > Display Equipment). The IR system displays information about cards and channels, which should show an in service (INSERV) state. If cards and channels are not in the INSERV state, you may be able to restore them. See Restoring cards and channels.
