Call Termination Cause Codes
Call Termination Cause Codes
Last Updated September 18, 2019
Several
Unified Communications Monitor
reports identify the Call Setup Failure Code, which the call server returns when a call fails during the setup phase. The code indicates the type of failure. For more information, see the list of call termination cause codes on the Cisco website.Unified Communications Monitor
uses the following call termination cause codes.
Code
|
Description
|
0
|
No error.
|
1
|
Unallocated (unassigned) number
|
2
|
No route to specified transit network
|
3
|
No route to destination
|
4
|
Send special information tone
|
5
|
Misdialed trunk prefix
|
6
|
Channel unacceptable
|
7
|
Call awarded and being delivered in an established channel
|
8
|
Preemption
|
9
|
Preemption -- circuit reserved for reuse
|
16
|
Normal call clearing
|
17
|
User busy
|
18
|
No user responding
|
19
|
No answer from user
|
20
|
Subscriber absent
|
21
|
Call rejected
|
22
|
Number changed
|
26
|
Non-selected user clearing
|
27
|
Destination out of order
|
28
|
Invalid number format (address incomplete)
|
29
|
Facility rejected
|
30
|
Response to STATUS ENQUIRY
|
31
|
Normal, unspecified
|
34
|
No circuit/channel available
|
38
|
Network out of order
|
39
|
Permanent frame mode connection out of service
|
40
|
Permanent frame mode connection operational
|
41
|
Temporary failure
|
42
|
Switching equipment congestion
|
43
|
Access information discarded
|
44
|
Requested circuit/channel not available
|
46
|
Precedence call blocked
|
47
|
Resource unavailable, unspecified
|
49
|
Quality of Service not available
|
50
|
Requested facility not subscribed
|
53
|
Service operation violated
|
54
|
Incoming calls barred
|
55
|
Incoming call barred within Closed User Group (CUG)
|
57
|
Bearer capability not authorized
|
58
|
Bearer capability not presently available
|
62
|
Inconsistency in designated outgoing access information and subscriber class
|
63
|
Service or option not available, unspecified
|
65
|
Bearer capability not implemented
|
66
|
Channel type not implemented
|
69
|
Requested facility not implemented
|
70
|
Only restricted digital information bearer capability is available
|
79
|
Service or option not implemented, unspecified
|
81
|
Invalid call reference value
|
82
|
Identified channel does not exist
|
83
|
A suspended call exists, but this call identity does not
|
84
|
Call identity in use
|
85
|
No call suspended
|
86
|
Call having the requested call identity has been cleared
|
87
|
User not member of Closed User Group (CUG)
|
88
|
Incompatible destination
|
90
|
Destination number missing and DC not subscribed
|
91
|
Invalid transit network selection
|
95
|
Invalid message, unspecified
|
96
|
Mandatory information element is missing
|
97
|
Message type nonexistent or not implemented
|
98
|
Message is not compatible with the call state, or the message type is nonexistent or not implemented
|
99
|
An information element or parameter does not exist or is not implemented
|
100
|
Invalid information element contents
|
101
|
The message is not compatible with the call state
|
102
|
Call terminated when time expired; a recover routine executed to recover from the error
|
103
|
Parameter nonexistent or not implemented -- passed on
|
110
|
Message with unrecognized parameter discarded
|
111
|
Protocol error, unspecified
|
122
|
Precedence Level Exceeded
|
123
|
Device not Preemptable
|
125
|
Out of bandwidth (Cisco specific)
|
126
|
Call split (Cisco specific)
|
127
|
Interworking, unspecified
|
129
|
Precedence out of bandwidth
|
131
|
Call Control Discovery PSTN Failover (Cisco specific)
|