4.1 Guidelines for APT/DPT Integration
4.1Guidelines for APT/DPT Integration
4.1.1What is APT/DPT Integration?
In order for the VPS to function, it must be integrated with the PBX it serves. The type of integration that is used determines how voice (caller messages, VPS prompts, etc.) and data (extension status, button presses, etc.) are sent between the VPS and the PBX.
Unlike Inband Integration, when the VPS and PBX use APT or DPT Integration, information is sent between the PBX and VPS digitally. This allows the VPS to respond quickly and efficiently. Additionally, configuring a Panasonic PBX for APT or DPT Integration is generally much easier than configuring a PBX for Inband Integration.
4.1.2When to Use APT/DPT Integration
The type of PBX and/or the type of extension cards installed in the PBX will determine whether APT or DPT Integration can be used. See 1.1.7 Compatible PBXs for more information.
4.1.3APT/DPT Integration Features
During APT/DPT Integration, the PBX sends information to the VPS which lets the VPS know from where and why a call is sent to the VPS, and identifies the extension or outside caller that is calling. This communication allows features that are only available with APT/DPT Integration, described below:
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Auto Configuration | The VPS knows what extension names/ |
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| numbers exist on the PBX and creates |
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| mailboxes for each extension automatically. |
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| Also sets the VPS clock with data from the |
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| PBX clock. |
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Automatic Login*1 | Subscribers can access their mailboxes |
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| without dialling their mailbox numbers. |
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Caller ID Call | The VPS automatically sends calls from |
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Routing*2 | preprogrammed Caller ID numbers to the |
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| specified extension, mailbox, or Custom |
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| Service. |
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Caller ID Screening | When the VPS transfers a call to an |
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| extension, the VPS announces the |
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| prerecorded name of the caller, allowing the |
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| extension user to know who is calling. |
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