Appendix D: Isdn Cause Numbers - Tadiran Telecom T207M User Manual

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Appendix D: ISDN Cause Numbers

Cause #
0
valid cause code not yet received
1
unallocated (unassigned) number
2
no route to specified transit network
3
no route to destination
4
send special information tone
5
misdialed trunk prefix
6
channel unacceptable
7
call awarded and being delivered in an established
channel
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)
17
user busy (message displayed as text)
18
no user responding
Appendix D: ISDN Cause Numbers
CODE MEANING
256
ACTION
check number and call again*
notify system administrator
notify system administrator
notify system administrator*
no action
no action*
call later
call later
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