Tadiran Telecom FlexSet 280S - Appendix C - ISDN Cause Numbers

Appendix C – ISDN Cause Numbers C-1 FlexSet 120S/280S User Guide
Appendix C - ISDN Cause Numbers
Cause #
CODE MEANING ACTION
0
valid cause code not yet received
1
unallocated (unassigned) number
check number and call again∗
2
no route to specified transit network notify system manager
3
no route to destination notify system manager
4
send special information tone
5
misdialed trunk prefix
6
channel unacceptable notify system manager
7
call awarded and being delivered in an established channel no action*
8
prefix 0 dialed but not allowed
9
prefix 1 dialed but not allowed
10
prefix 1 dialed but not required
11
More digits received than allowed
16
normal clearing (message displayed as text) no action*
17
user busy (message displayed as text) call later
∗ If the message returns frequently notify system manager