How users are connected to a public ISDN through an ISPBX?
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When multiple users on an ISPBX are making calls, how many users does the public ISDN network see?
Why is there only one D channel in each interface?
In order to be able to plug analogue devices into sockets on an NT1, what extra item of equipment would need to be included within the the NT1?
What kind of cabling is used for a BRI?
What are the two options for implementing fax using an internal ISDN card?
What is the purpose of an ISDN Terminal Adapter?
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.
What the B and D channels do?
How to vary the the amount of bandwidth you have available to you?
What is LAP-D?
What protocols are used?
What are TEIs?