Internal Causes of Call release in Siemens IN 7b

1 = unallocated (unassigned) number 2 = no route to specified transit network 3 = no route to destination 4 = send special information tone 5 = misdialled trunk prefix 6 = TCAP-Cause: missing customer record 16 = normal call clearing 17 = user busy 18 = no user responding 19 = no answer from user (user alerted) 21 = call rejected 22 = number changed 27 = destination out of order 28 = address incomplete 29 = facility rejected 31 = normal – unspecified 34 = no circuit available 38 = network out of order 41 = temporary failure 42 = switching equipment congestion 44 = requested channel not available 47 = resource unavailable – unspecified 50 = requested facility not subscribed

55 = incoming calls barred within CUG 57 = bearer capability not authorized 58 = bearer capability not presently available 63 = service/option not available – unspecified 65 = bearer capability not implemented 69 = requested facility not implemented 70 = only restricted information bearer capability is available 79 = service or option not implemented – unspecified 87 = called user not member of CUG 88 = incompatible destination 91 = invalid transit network selection 95 = invalid message, unspecified 97 = message type non-existent or not implemented 99 = par. non-existent or not implemented – discarded 103 = par. non-existent or not implemented – passed on 111 = protocol error, unspecified 127 = interworking, unspecified