
Order the ISDN Line
Step 1 Contact your ISDN service provider (usually the telephone company).
Step 2 Order a single 
If applicable, request the additional call offering option that allows telephone conversations while the router is in use.
Order other features you 
Step 3 Obtain and record the following information from your ISDN service provider:
ISDN Information
1Switch type (check one):

 
 
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 | 5ESS | AT&T 5ESS | 
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 | DMS | Nortel  | 
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 | INS | Japan - NTT Information | 
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 | Network System | 
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 | VN3 | France - ISDN BRI Standard | 
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 | NET3 | Europe - ISDN BRI Standard | 
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 | 1TR6 | Germany - ISDN Standard | 
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 | TPH | Australia | 
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2SPIDs (optional):
a.SPID1
b.SPID2
3ISDN telephone numbers (optional):
a.ISDN telephone number 1
b.ISDN telephone number 2
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