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Idle
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There is no call or call attempt on this port or channel.
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Out of Service
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The port has been set out of service or the digital circuit (that this channel is on) is down.
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Connected
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The port has a connected call.
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Connected WAN
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This time slot in use to deliver WAN interface - digital trunks only.
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Parked
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The system or a user has parked the call.
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Seized
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The system has seized the line in preparation to make a call.
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Dialling
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The system has seized the line and dialed out digits but the call is not yet connected.
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Clearing
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The call is in the process of terminating or is in post call wrap-up.
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Pre-Alert
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The system has received an incoming on the trunk. The system is waiting for Caller ID.
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Outgoing Alerting
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The system has made an outgoing call on the trunk, The far end is alerting.
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Incoming Alerting
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The system has presented the incoming to a target at which it is alerting or queued.
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Paging
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Indicates one or more output points of a paging call.
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Recording
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The system is using the call record another call.
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Held at Central Office
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For European ISDN lines, the central office has the call on hold. It frees the B-channel which returns to idle in System Status.
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Holding
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Indicates that the other party on the call is in one of the Held states: Held, Held for Transfer, Held for Conference, Held at Central Office, Hold Reminder.
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Connected Blind
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Indicates that this end of the call is connected and that the other party on the call is alerting with either a blind transferred call or a transfer return.
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Queuing
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Indicates that the system has queued the call for a hunt group. While queued, the call does not alert at any extension.
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Alerting Announcement
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Indicates that the call is alerting at one or more extensions or trunks and also currently connected to voicemail for a queuing announcement.
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Queuing Announcement
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Indicates a queued call connected to voicemail for a queuing announcement.
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Connected Announcement
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Indicates a connected call listening to a queuing announcement.
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