A-7
26 CAUSE_FAC_NOTS 50 Requested facility not subscribed DISC
27 CAUSE_BC_NOTA1 57 Barer capability not authorized REL,
REL_COM
28 CAUSE_BC_NOTA2 58 Bearer capability not authorized DISC,
REL_COM
29 CAUSE_SRVO_NOTA 63 Service or option not available, not
unspecified DISC, REL_COM
30 CAUSE_BC_NOTI 65 Bearer capability not implemented DISC,
REL_COM
31 CAUSE_CT_NOTI 66 Channel type not implemented
32 CAUSE_RF_NOTI 69 Requested facility not implemented DISC,
REL
33 CAUSE_OR_INFB 70 Only restricted digital information bearer
capability is available
34 CAUSE_SRVO_NOTI 79 Service or option not implemented
35 CAUSE_INV_CRV 81 Invalid call reference value REL,
REL_COM
36 CAUSE_IC_DNE 82 identified channel does not exist
REL_COM
37 CAUSE_SC_EXIST 83 A suspended call exist REL_COM
38 CAUSE_CI_INUSE 84 Call identify in use SUSP, REJ
39 CAUSE_NC_SUSPEND 85 No call suspended RES, REJ
40 CAUSE_RCI_CLEAR 86 Call having the requested call identify has
been cleared RES, REJ
41 CAUSE_INC_DEST 88 Incompatible destination DISC
42 CAUSE_INV_TNS 91 Invalid transit network selection DISC,
REL, REL_COM
43 CAUSE_INV_MSG 95 Invalid message unspecified REL_COM,
STAT
44 CAUSE_MIE_MISS 96 Mandatory information element is missing
REL, REL_COM, STAT
45 CAUSE_MT_NOTE 97 Message type non-existence or not
implemented STAT
46 CAUSE_MSG_NOTC1 98
Message not compatible with call state or
message type non-existence of not
implemented STAT
47 CAUSE_IE_NOTE 99 Information element non-existence or not
implemented STAT,REL,REL_COM
48 CAUSE_INV_INFOE 100 Invalid information element contents