What are SPIDs?
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What is ISDN's history?
Name two significant differences between B and D channels.
What are Protocols on B and D channels?
What happens when a call is set up?
What the B and D channels do?
What is the call termination message called?
What does ISDN give you?
Why is this information significant?
What are the two ISDN device addressing methods? The two types of device addressing in ISDN are known as:
What protocols are used?
What is the essential difference between ISDN and the ordinary telephone system (PSTN)?
What kind of cabling is used for a BRI?