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Configuring Demand Routing for Primary ISDN Modules
Using Demand Routing for ISDN Connections
When the called party information element (IE) is created for this call, the
router removes the prefix and places the N$ digits in the Number Digits field.
National. For national calls, the dialing prefix is removed. For example, a
call from one U.S. LATA to another uses the format 1-NXX-NXX-XXXX. The
U.S. prefix is 1, and NXX-NXX-XXXX represents the 10-digit number necessary
for routing the call. When the router creates the called party IE for this call, it
removes the prefix and places the NXX-NXX-XXXX digits in the Number Digits
field.
Network-Specific.
If you specify the network-specific call type, the ProCurve
Secure Router removes the prefix for the call when it prepares the called party
IE. For example, if the router is making a call to 700-N$, the dialing prefix is 700
and N$ represents the digits necessary for routing the call at the destination.
The ProCurve Secure Router removes the prefix and places the N$ in the
Number Digits field.
Subscriber. The ProCurve Secure Router also removes the prefix if you
specify the subscriber call. For example, if the router is making a call to 916-
555-1212, it would remove the 916 prefix and place 555-1212 in the Number
Digits field. For areas with mandatory 10-digit dialing, you should enter a blank
prefix to ensure that all ten digits are passed to the Number Digits field.
Default ISDN Template
By default, there is one isdn-number-template entry:
isdn-number-template 0 prefix “” subscriber 911
This entry allows you to make emergency calls within the United States.
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