Call methods
From Zenitel Wiki
| Calling feature | Direct Call | Call Request | Ringing Group |
| Never busy signal to caller |  |
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| Call queued - display shows queue | |
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| Priority mechanisms | |
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| Call to multiple stations in parallel | |
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| Parallel call to stations in different nodes | |
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| Answer with M-key or handset | |
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| Voice Message to caller | |
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| Support ITSV and SIP stations (queue not displayed) | |
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| Call queue indication in DAK panel | |
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| Call queue indication in VS-Operator and integrators. Lenel, Milestone etc. | |
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| Sequential call /Call Escalation | |
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| Call Forwarding | |
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