Tadiran Telecom FlexSet 280S - Page 224

Appendix C – ISDN Cause Numbers C-2 FlexSet 120S/280S User Guide
Cause #
CODE MEANING ACTION
18
no user responding call later
19
no answer from user (user alerted) call later
21
call rejected call later
22
number changed check number and call again*
23
reverse charging rejected
24
call suspended
25
call resumed
26
non-selecting user clearing
27
destination out of order call later
28
invalid format (address incomplete) check number and call again*
29
facility rejected notify system manager
30
response to status inquiry
31
normal unspecified no action**
33
circuit out of order
34
no circuit/ channel available call later*
35
destination unattainable
∗ If the message returns frequently notify system manager