Call Clear Cause Codes
AT&T Call Clear Cause Codes
Cause Code
Cause Code
Cause Code
Cause Code
Cause Code
Issue 2 - 05/00
Description
Description
Description
Description
Description
Unallocated (unassigned) number
1
No route to specified network
2
No route to specified transit network
3
Normal, Clearing
16
User busy
17
No user responding
18
User alerting, no answer
19
Call rejected
21
Number changed
22
Destination out of order
27
Invalid number format (incomplete number)
28
Requested facility rejected
29
Response to STATus ENQuiry
30
Normal, unspecified
31
No channel available
34
Call Queued
35
Temporary failure
41
Network congestion
42
Access information discarded
43
Call Clear Cause Codes
A2 - 1
A2