Tadiran Telecom T207M User Manual page 268

Cause #
19 no answer from user (user alerted)
21 call rejected
22 number changed
23 reverse charging rejected
24 call suspended
25 call resumed
26 non-selecting user clearing
27 destination out of order
28 invalid format (address incomplete)
29 facility rejected
30 response to status inquiry
31 normal unspecified
33 circuit out of order
34 no circuit/channel available
35 destination unattainable
37 degraded service
38 network out of order
39 transit delay range cannot be achieved
Appendix D: ISDN Cause Numbers
CODE MEANING
257
ACTION
call later
call later
check number and call again*
call later
check number and call again*
notify system administrator
no action*
call later*
wait and call later
T207M / T208M User Guide