4.1.7 DISA (Direct Inward System Access)
[Flowchart]
A DISA call from an outside party is received.
Is there a port available?
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| Answer time expires) | ||
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| The PBX answers the call. |
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| after Answering expires) | ||||
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The OGM plays and the PBX starts to receive the DTMF signaling.
F
Is the first digit dialed?
No
The call is routed to an operator, etc. (DISA Intercept when All DISA Ports are busy)
No
(DISA First Digit Time When No Dial expires)
What method is assigned for DISA Intercept Routing No Dial?
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| Operator |
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| The call is | the destination assigned | |||||||||
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| Yes |
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| The OGM stops. |
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| Is a second digit dialed? |
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| No |
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| Automated Attendant expires) |
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| destination for the DISA AA service? |
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| The PBX receives the dialed |
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| Yes |
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| The call is routed to the destination. |
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| What is the DISA security mode? |
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| Continued on next page |
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Feature Manual | Document Version |