User`s guide
204 XSR User’s Guide
ISDN (ITU Standard Q.931) Call Status Cause Codes Chapter 9
Configuring Integrated Services Digital Network (ISDN)
11 More digits received than allowed, call is proceeding
16 Normal call clearing
17 User busy
18 No user responding
19 19 No answer from user
21 Call rejected
22 Number changed
23 Reverse charging rejected
24 Call suspended
25 Call resumed
26 Non-selected user clearing
27 Destination out of order
28 Invalid number format (incomplete number)
29 Facility rejected
30 Response to STATUS ENQUIRY
31 Normal, unspecified
33 Circuit out of order
34 No circuit/channel available
35 Destination unattainable
36 Out of order
37 Degraded service
38 Network (WAN) out of order
39 Transit delay range cannot be achieved
40 Throughput range cannot be achieved
Table 9 Call Status Cause Codes (Continued)
Code Cause