Answer / silpa

The cabling standards for the Primary Rate interface are not as specific as they are for Basic Rate, and they will therefore vary according to the local ISDN supplier.

What Bearer Capabilities are and on which channel they reside?

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 What is the name of the reference point that is located on the user side of an NT1?

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A fax machine is configured to filter for analogue calls - will it accept G3 Fax calls? No, it will only accept those calls whose call type is specifically 'Generic Analogue'.

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Do users on an ISPBX have a D channel connection to the ISPBX or to the public ISDN network? The users on an ISPBX do not communicate directly with the public network at all.

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What are SPIDs?

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What are the two types of equipment that can be used on ISDN called?

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How users are connected to a public ISDN through an ISPBX?

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What must each SETUP message contain?

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Does the network provider supply the NT1 in North America?

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When multiple users on an ISPBX are making calls, how many users does the public ISDN network see?

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Bearer Capabilities - What are they?

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What is the essential difference between ISDN and the ordinary telephone system (PSTN)?

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