Chapter Two: Getting Started | 4. Order an ISDN Line 23 |
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4. Order an ISDN Line
Call your local phone company and order an ISDN Basic Rate line.
To make ordering an ISDN line easier, Bellcore, in conjunction with the North American ISDN User’s Forum (NIUF) and Local Exchange Carriers (LEC), have created several
Ordering Code | Features |
Offers voice and data on both ISDN channels and supports advanced calling features such | |
IOC: “U” | as call conference, call transfer, and caller ID on the first ISDN number. You may have to |
| request these features individually, and there may be an additional charge for each one. |
Same as | |
IOC: “V” |
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IOC: “S” | Offers voice and data on both |
| you select this package, be sure to get Additional Call Offering (ACO). ACO is required |
| for call bumping (also known as dynamic bandwidth allocation) and call waiting to work |
| correctly. IOC “S1” includes ACO, however it is not supported everywhere. |
If you want to use Always On/Dynamic ISDN (AO/DI). | |
Capability Package AB | Same as IOC U, but with advanced calling support on both channels and support for |
| AO/DI. |
Capability Package AC | Same as IOC V, but with advanced calling support on both channels and support for |
| AO/DI. |
Information to record when ordering your line
Item | Description |
ISDN phone number(s) | The phone number assigned to your ISDN line. Some providers will give you two phone |
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SPID(s) | SPIDs (service profile IDs) identify the set of features and services provided by the ISDN |
| switch to which the ISDN device is connected. |
| When you subscribe to an ISDN line your provider allocates a SPID in the same way they |
| allocate an ISDN phone number. In some cases, the SPID is the same as the phone |
| number, in other cases it is the phone number with other digits added to it. It depends on |
| your provider. |
| Find out if your ISDN line supports AutoSPID. AutoSPID is a new National ISDN |
| protocol feature that enables the DIVA LAN ISDN Modem to automatically configure all |
| parameters for your ISDN line. |
| However, even if your ISDN line supports AutoSPID, it is a good idea to write down your |
| SPIDs. |
Switch type | The type of ISDN switch used by your provider. During configuration, the DIVA LAN |
| ISDN Modem automatically tries to detect the switch type your line is connected to. |
| However, if |
| types are supported: National |
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Billing intervals | Find out how your provider bills for ISDN usage. With this information on hand you can |
| configure the DIVA LAN ISDN Modem to minimize your connection costs. See |
| “Multilink PPP + BACP” on page 21. |