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572 CHAPTER 37: ISDN CONFIGURATION COMMANDS
Parameter check-index: Called number or subaddress checking index, which is in the range of
1 to 3.
called-party-number: Called number, a string of 1 to 20 digits.
subaddress: Subaddress, which is a string of digits and/or case-insensitive English
letters and is 1 to 20 characters in length.
Description Use the
isdn check-called-number command to configure the called number or
subaddress that the system should verify when receiving a digital call.
Use the
undo isdn check-called-number command to remove the
configuration.
By default, the system does not check the called number or subaddress carried by
incoming digital calls.
This command is used for setting the examined item when a digital call is received.
If a subaddress is specified, the system will deny an incoming digital call if the
calling party sends a wrong subaddress or does not send at all.
Example # Check whether the called number carried by incoming digital calls is 66668888
on the interface BRI 1/0.
<Sysname> system-view
[Sysname] interface bri 1/0
[Sysname-Bri1/0] isdn check-called-number 1 66668888
isdn check-time
Syntax isdn check-time date-time
undo isdn check-time
View System view
Parameter date-time: Time to be set when ISDN call checking is launched, in the format of
HH:MM.
Description Use the
isdn check-time command to enable ISDN call checking and set the time
when ISDN call checking is launched.
Use the
undo isdn check-time command to restore the default.
By default, ISDN call checking is disabled.
With ISDN call checking enabled, the system checks to see whether or not the call
control blocks of the CC module and the Q.931 module are synchronized by
checking all the ISDN call records on the set time point every day. The ISDN calls
whose call control blocks are not synchronized are released.