What are TEIs?
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What other method is there for converting synchronous and asynchronous data?
Why is this information significant?
What kind of cabling is used for a PRI?
How the structures of BRI and PRI compare
What happens when a call is set up?
Bearer Capabilities - What are they?
What is the essential difference between ISDN and the ordinary telephone system (PSTN)?
When multiple users on an ISPBX are making calls, how many users does the public ISDN network see?
What protocols are used?
How might a PC be configured to ensure it never answers the phone?
What are B channel charateristics?
How ISDN and analogue networks interact?