What is Information Field Structure?
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What is the Frame Format ?
Does a Terminal Adapter always contain a Codec or Modem?
What protocols are used?
What are the two options for implementing fax using an internal ISDN card?
How Analogue fax and modem over ISDN?
What is the purpose of an ISDN Terminal Adapter?
When multiple users on an ISPBX are making calls, how many users does the public ISDN network see?
Why use ISDN?
What are TEIs?
Why can you not normally send data between users through the D channel?
How can you find what Bearer Capabilities are specified on an incoming or outgoing call?
Why is this information significant?