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v DN0, and DN1 are used to verify that the incoming call is being delivered
to the correct ISDN destination.
v If the destination number (Called Party Number) in the ISDN call being
delivered does not match either DN0 or DN1, then the call is rejected.
v If the user wishes to bypass the destination verification checking, then do
not configure either DN0, or DN1. If the ISDN line provisioning has only
one DN, and the user wishes to use the destination verification then you
must configure DN0. Do not configure DN1 unless the ISDN line is
provisioned for two DNs.
v When configuring the SPIDs and TEIs, always be sure to configure the
first SPID (SPID[0]) and TEI (TEI[0]). It will cause errors it you have a
SPID[1] or TEI[1] configured without SPID[0] or TEI[0] configured.
Cause Code
Use the Cause Code command to prevent the router from retrying to establish a
connection through the ISDN interface when it receives a “specified” (valid value)
response. Enter these commands at the Cause Config> prompt.
Syntax:
cause code
? (Help)
add
list
remove
exit
Table 81. ISDN Cause Codes Command Summary
Command Function
? (Help) Displays all the commands available for this command level or lists the
options for specific commands (if available). See “Getting Help” on page
10.
Add Adds cause code entries to the ISDN configuration.
List Displays the cause code lists for the ISDN configuration.
Remove Removes cause code entries from the ISDN configuration.
Exit Returns you to the previous command level. See “Exiting a Lower Level
Environment” on page 11.
Add Use the add command to add a cause code to an ISDN configuration.
Valid Values: Any hexadecimal value between 01 and FF
Default Value: None
Syntax: cause code add
value
Example: add FF
List Use the list command to show the cause code list of an ISDN
configuration.
Syntax: cause code list
Remove
Use the remove command to remove a cause code from an ISDN
configuration.
Valid Values: Any hexadecimal value between 01 and FF
ISDN Configuration Commands
634
MRS V3.2 Software User’s Guide
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