What is LAP-D?
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Name two significant differences between B and D channels.
What is the significance of the TEI in B channel communication?
Bearer Capabilities - What are they?
What is the initial call request message called?
How users are connected to a public ISDN through an ISPBX?
How many devices can be connected to a standard BRI line?
What channel do the call management messages use?
How can I get more information?
How Analogue fax and modem over ISDN?
What is Soft-fax and Soft-modem?
What are SAPIs?
When multiple users on an ISPBX are making calls, how many users does the public ISDN network see?