A fax call call might be designated as a generic analogue call or specifically as a fax call - true or false?
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What Bearer Capabilities are and on which channel they reside?
How to vary the the amount of bandwidth you have available to you?
What are SAPIs?
What is Fractional PRI?
Why use ISDN?
What is the Frame Format ?
What are BRI and PRI? What are Channels?
How the B and D channels share the line?
How ISDNs are connected together?
How ISDN allows multiple devices to share a single line?
What item of equipment would be required to connect a modem to ISDN? A terminal adapter.
How ISDN and analogue networks interact?
What is LAP-D?
What is Information Field Structure?
What happens when a call is set up?