Perle Systems P840 - Manual (Page 33)

Event Logs
33
* Link X Disconnect: Y
Generated when the disconnect of an ISDN call is completed. This event is generated on both sides of the
ISDN call. The cause will be one of the causes as specified in the CCITT Recommendation Q.931. Causes
of “normal call clearing”, “User busy”, and “Number changed” are printed in words, all other are numeric.
Code Description
001 Unallocated/unassigned number
002
003
004
006
007
008
009
010
011
016
No route to specified transit network
No route to destination
Channel unacceptable
Channel unacceptable
Call awarded and being delivered in an established channel
Prefix 0 dialed but not allowed
Prefix 1 dialed but not allowed
Prefix 1 dialed but not required
More digits received than allowed, call is proceeding
Normal call clearing
017 User busy
018 No user responding
019
020
021
No answer from user
Circuit operational
Call rejected
022 Number changed
023
024
025
026
027
028
Reverse charging rejected
Call suspended
Call resumed
Non-selected user clearing
Destination out of order
Invalid number format
029 Facility rejected
030
031
Response to STATUS INQUIRY
Normal, unspecified
033
034
035
036
037
038
039
Circuit out of order
No circuit/channel available
Destination unattainable
Out of order
Degraded service
Network out of order
Transit delay range cannot be achieved
040
041
042
Throughput range cannot be achieved
Temporary failure
Switching equipment congestion
043
044
045
046
047
049
050
Access information discarded
Requested circuit/channel not available
Preemption
Precedence call blocked
Resources unavailable, unspecified
Quality of service unavailable
Requested facility not subscribed
051
052
053
054
Reverse charging not allowed
Outgoing calls barred
Outgoing calls barred within CUG
Incoming calls barred