How configuration errors in the ISPBX can prevent successful connections?
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For all the above conversions to succeed, what must be common?
call flow in nss ? and what is sri signal?
Number of devices equals number of subscriber numbers required for MSN - true or false?
Where does this conversion normally take place?
What are SPIDs?
How the B and D channels share the line?
What are ISDN Services?
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?
Why can you not normally send data between users through the D channel?
What address does an ISDN PRI line always use?
What happens to these bits when they are received by the ISDN telephone at the other end?
How many filters can be applied to a SETUP message?