What is LAP-D?
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How Analogue fax and modem over ISDN?
A user on an ISPBX can use different D-Channel protocols to those in use by the public ISDN network connected to the ISPBX - true or false?
What determines which of these two protocols to use?
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 are SPIDs?
How can I get more information?
What is 2B1Q?
A fax call call might be designated as a generic analogue call or specifically as a fax call - true or false?
What is the maximum number of simultaneous connections supported by a Primary Rate Interface?
Does a Terminal Adapter always contain a Codec or Modem?
What does ISDN give you?
Why is rate adaptation necessary?