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

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
T207M / T208M User Guide