ISDN Cause Numbers (cont.) D-2 FlexSet 120/280 User Guide
17 user busy (message displayed as text) call later
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
*If the message returns frequently notify system manager
Cause # CODE MEANING ACTION
Appendix D - ISDN Cause Numbers (cont.)
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