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A-6
Appendix A
Call Termination Code
Cause Value of PRI for SMG System (02xx)
No.
No.
No.
No.
Define
Define
Define
Define
Val
Val
Val
Val
Comment
Comment
Comment
Comment
1
CAUSE_UNASSIGNED
1
Unassigned REL_COM, DISC
2
CAUSE_NOROUTE_TX
2
no route to specified transit network DISC,
REL_COM
3
CAUSE_NOROUTE_DEST
3
no route to destination DISC, REL_COM
4
CAUSE_CH_UNEXPT
6
Channel unexpectable REL
5
CAUSE_CALL_AWARD
7
Call awarded and being delivered in an
established channel REL
6
CAUSE_NOR_CLEAR
16
Normal call clearing DISC
7
CAUSE_USER_BUSY
17
User busy REL_COM
8
CAUSE_NO_RESPONDING
18
No user responding DISC
9
CAUSE_NO_ANSWER
19
User alerting, No answer DISC
10
CAUSE_CALL_REJ
21
call reject DISC
11
CAUSE_NUM_CHG
22
Number change DISC, REL_COM
12
CAUSE_NON_SELECT
26
Non selected user clearing REL
13
CAUSE_DES_OOO
27
Destination out of order DISC
14
CAUSE_INV_NUM
28
Invalid number format REL_COM, DISC
15
CAUSE_INV_NUM
29
Facility reject REL_COM, DISC
16
CAUSE_STAT_ENRTY
30
Response to status entry STAT
17
CAUSE_NOR_UNSPE
31
Normal unspecified REL_COM, DISC
18
CAUSE_NO_CIRCUIT
34
No circuit available REL_COM, DISC
19
CAUSE_NET_OOS
38
Network out of service
20
CAUSE_TEMP_FAULURE
41
Temporary failure DISC
21
CAUSE_SW_CONGEST
42
Switching equipment congestion REL,
REL_COM
22
CAUSE_INFO_DISCARD
43
Access information discard CON, STAT
23
CAUSE_CH_NOTA
44
Circuit channel not available REL_COM,
DISC
24
CAUSE_RES_NOTA
47
Resource not available REL_COM,
DISC
25
CAUSE_QUAL_NOTA
49
Quality of service unavailable REL,
REL_COM