Why use ISDN?
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What are SPIDs?
Why does there need to be a broadcast TEI?
What are the two ISDN device addressing methods? The two types of device addressing in ISDN are known as:
How ISDN and analogue networks interact?
What determines which of these two protocols to use?
What are BRI and PRI? What are Channels?
In practice, what is the maximum number of devices that may be connected to a BRI which expects a fixed TEI?
How can you find what Bearer Capabilities are specified on an incoming or outgoing call?
Why is there only one D channel in each interface?
What channel do the call management messages use?
If none of the equipment connected to an NT1 requires a power supply through the interface, do I need to attach the NT1 to the mains?
When multiple users on an ISPBX are making calls, how many users does the public ISDN network see?