Cisco 3640 Series Panduan Pengguna - Halaman 26
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Command Reference
isdn modem-busy-cause
Use the isdn modem-busy-cause command to specify an error cause code that is returned when all
modems in the modem pool are busy and unavailable to accept an incoming call. Use the no form of
this command to disable this feature.
isdn modem-busy-cause {number | busy | not available}
no isdn modem-busy-cause
Syntax Description
number
busy
not available
Default
If the command is not used and all modems in the pool are busy, error cause code "21" (call rejected)
is sent as the error message.
Command Mode
Interface configuration
Usage Guidelines
This command first appeared in Cisco IOS Release 11.1 when it was available for PRI interfaces. It
became available for BRI interfaces in Cisco IOS Release 12.0(2)XC and Cisco IOS
Release 12.0(3)T.
Using this command distinguishes call errors due to busy modems from other call errors (for
instance, busy B channels) that might return the same ISDN default error code of 21.
Example
The following example configures an error cause code of "47" (resources unavailable) to be returned
when no modems in a pool are available:
interface BRI 1/1
26
Cisco IOS Release 12.0(3)T
Specifies an ITU Q.931 standard error cause code of up to three digits,
from 1 to 127.
Specifies that the modem reports "USER BUSY" as the error message to
the switch.
Specifies that the modem returns "CHANNEL NOT AVAILABLE" as
the message to the switch.
isdn modem-busy-cause 47