1.15 Optional Device Features
[Flowchart]
A DISA call from an outside party is received.
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| (DISA Delayed Answer Time expires) |
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| The PBX answers the call. |
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| (DISA OGM Mute Time expires) |
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| No | Is the assigned | Yes |
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| DISA OGM recorded? |
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One short beep |
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| A | DISA OGM |
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| (Intercept Time for Internal DISA expires) |
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| (DISA Wait Timer after OGM expires) | |||||||||||||||||||||||||||
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| Cyclic tone, | Fax (CNG) tone | |||
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| CPC signal |
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A number is dialled. |
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| Nothing is dialled. | The call is sent to | ||
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| the fax extension. |
| Is a security | Yes |
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| What is the | All |
| code required? |
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| security mode? | The call is |
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| disconnected. | ||
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| No |
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| Trunk or No | ||
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| The security | Is Intercept Routing | Busy tone |
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| code is entered. | |||
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| employed? |
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| One |
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| Yes | No |
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| The code is correct. |
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| short beep |
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| Goes to C | The call is |
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| Make an outside |
| disconnected. | ||||
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| (CO) line call. |
| The code is incorrect. | The call is | |||
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The call reaches the destination. |
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| Reorder tone |
| established. | ||
| (DISA Ring Time before | The call is |
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The call is | disconnected. |
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Intercept expires) |
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| The call is not | |||
established. |
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The call is not answered. |
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| The destination |
| answered for | |
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| 40 seconds. | |||
| extension(s) is(are) busy. |
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B |
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| The call is |
Is Intercept Routing |
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| What is the DISA |
| disconnected. | ||
| employed? |
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| Busy Mode? |
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| Yes |
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| No |
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C |
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| Call Waiting | ||||||||||
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| Disconnect |
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| Busy tone |
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| Is DISA IRNA to BV |
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| (DISA Ring Time | ||||||||
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| assigned? |
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| before Intercept expires) | ||||||||
| Yes |
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| No |
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| The call is |
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| The call is |
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| The call is not |
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| disconnected. |
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| BV is answered. |
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| established. |
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| answered. |
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| The call is sent to |
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| Goes to B | ||||||||||||
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| (DISA Ring Time after |
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| Intercept expires) |
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DISA
A busy DISA OGM is heard.
Goes to A
The call is established.
The call is not answered.
The call is disconnected.
Feature Guide 111