How ISDNs are connected together?
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What other method is there for converting synchronous and asynchronous data?
What call type is given to a fax call coming from an analogue network?
If two ISDN channels are used together, each connecting the same pair of users, how many calls are being made?
A device is configured for automatic TEI. What is its address immediately after being switched on - before it starts communicating with the network?
What is Fractional PRI?
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 many filters can be applied to a SETUP message?
How many devices may be connected to a BRI?
How users are connected to a public ISDN through an ISPBX?
What are ISDN Services?
Explain the call flow in nss and what is sri signal?
Why does there need to be a broadcast TEI?