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?
How Analogue fax and modem over ISDN?
What is the maximum number of simultaneous connections supported by a Basic Rate Interface?
What are these types of NT1 known as?
What are SAPIs?
Does a Terminal Adapter always contain a Codec or Modem?
Name two significant differences between B and D channels.
What are TEIs?
What are the two ISDN device addressing methods? The two types of device addressing in ISDN are known as:
A fax call call might be designated as a generic analogue call or specifically as a fax call - true or false?
How the B and D channels share the line?
What is the initial call request message called?
What protocols are used?