All Trunks Busy (ATB)

Welcome to the All Trunks Busy (ATB) subject.

All Trunks Busy (ATB) is in the Service Levels category. - View all

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All Lines Busy - Engaged/Busy Tone

Also known as 'busy' or 'engaged' tone View

All Trunks Busy (ATB)

Also known as All Lines Busy. This occurs when all trunks or lines are occupied or busy with a call in progress. The call treatment for the cal… View

Back or Controlled Busy

This occurs where lines are intentionally 'busied', reducing the number of incoming lines for callers.  The call treatment is the busy… View

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