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Call Disconnect Reason Code Mapping

The following table lists the call disconnect reason code mapping details:

Info
titleNote

Mapping CPC to SIP cause codes is not permitted for out-of-dialog or relay messages.


Info
titleNote

For explanations of the reason codes, refer to Call Termination Reason Codes.


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Table 1: Call Disconnect Reason Code Mapping

Reason Code
Received

Enumeration

Standards

CDC stored in CDR (per signaling type)

Q.931

Q.850

GR-317

ISUP

ISDN

H.323

SIP

0

CPC_INVALID_DISC_REASON




31

16

127

500

1

CPC_DISC_UNALLOCATED_NUMBER

1

1

1

404

2

CPC_DISC_NO_ROUTE_TO_SPECIFIED_TRANSIT_NETWORK



2

2

2

404

3

CPC_DISC_NO_ROUTE_TO_DESTINATION

3

3

3

404

4

CPC_DISC_SEND_SPECIAL_INFO_TONE



4

4

4

500

5

CPC_DISC_MISDIALED_TRUNK_PREFIX



5

5

5

500

6 (a)

CPC_DISC_CHANNEL_UNACCEPTABLE


31

31

6

500

7 (a)

CPC_DISC_CALL_AWARDED



31

31

7

500

8

CPC_DISC_PREEMPTION



8

8

8

500

9

CPC_DISC_PREEMPTION_CIRCUIT_RESERVED



9

9

9

500

14 (b)

CPC_DISC_NUMBER_PORTED



14

31

14

500

16

CPC_DISC_NORMAL_CALL_CLEARING

16

16

16

(c)

17

CPC_DISC_USER_BUSY

17

17

17

486

18

CPC_DISC_NO_USER_RESPONDING


18

18

18

408

19

CPC_DISC_NO_ANSWER_FROM_USER


19

19

19

480

20

CPC_DISC_SUBSCRIBER_ABSENT



20

20

20

480

21

CPC_DISC_CALL_REJECTED

21

21

21

(d)

22

CPC_DISC_NUMBER_CHANGED

22

22

22

(e)

23 (f)

CPC_DISC_UNALLOCATED_DEST_NUMBER


23

31

23

410

24 (f)

CPC_DISC_UNKNOWN_BUSINESS_GROUP



31

31

24

500

25

CPC_DISC_EXCHANGE_ROUTING_ERROR



25

31

25

500

26

CPC_DISC_MISROUTED_CALL_TO_PORTED_NUMBER



26

26

26

404

27

CPC_DISC_DESTINATION_OUT_OF_ORDER

27

27

27

502

28

CPC_DISC_INVALID_NUMBER_FORMAT

28

28

28

484

29

CPC_DISC_FACILITY_REJECTED



29

29

29

501

30 (g)

CPC_DISC_RESPONSE_TO_STATUS_ENQUIRY



31

31

30

500

31

CPC_DISC_NORMAL_UNSPECIFIED

31

31

31

480

32 (i)

CPC_DISC_CALL_REJECTED_DUE_TO_FEATURE_AT_DESTINATION



32

32


433

34

CPC_DISC_NO_CIRCUIT_AVAILABLE

34

34

34

503

38

CPC_DISC_NETWORK_OUT_OF_ORDER


38

38

38

503

39

CPC_DISC_PERM_FM_CONNECTION_OOS



47

47

39

500

40

CPC_DISC_PERM_FM_CONNECTION_OPERATIONAL



47

47

40

500

41

CPC_DISC_TEMPORARY_FAILURE

41

41

41

503

42

CPC_DISC_SWITCHINGEQUIP_CONGESTION

42

47

42

503

43

CPC_DISC_ACCESS_INFORMATION_DISCARDED



43

43

43

500

44

CPC_DISC_REQUESTED_CIRCUIT_NOT_AVAILABLE


44

44

44

500

45 (f)

CPC_DISC_ANSI_PREEMPTION




47

47

45

500

46

CPC_DISC_PRECEDENCE_CALL_BLOCKED



46

46

46

500

47

CPC_DISC_RESOURCE_UNAVAILABLE_UNSPECIFIED

47

47

47

503

49

CPC_DISC_QUALITY_OF_SERVICE_UNAVAIL


63

63

49

500

50

CPC_DISC_REQUESTED_FACILITY_NOT_SUBSCRIBED



50

50

50

500

51 (f)

CPC_DISC_CALL_TYPE_INCOMPATIBLE_WITH_SERVICE




63

63

51

500

53

CPC_DISC_OUTGOING_CALL_BARRED_CUG



53

53

53

500

54

CPC_DISC_CALL_BLOCKED_GROUP_RESTRICTIONS




63

63

54

500

55

CPC_DISC_INCOMING_CALL_BARRED_CUG



55

55

55

403

57

CPC_DISC_BEARER_CAP_NOT_AUTHORIZED


57

57

57

403

58

CPC_DISC_BEARER_CAP_PRESENTLY_NOT_AVAILABLE


58

58

58

503

62

CPC_DISC_INCONSISTENT_OUTGOING_SUBSCRIBER_CLASS



62

62

62

500

63

CPC_DISC_SERVICE_OR_OPTION_NOT_AVAILABLE_UNSPECIFIED


63

63

63

500

65

CPC_DISC_BEARER_CAP_NOT_IMPLEMENTED


65

65

65

488

66

CPC_DISC_CHANNEL_TYPE_NOT_IMPLEMENTED


79

79

66

500

69

CPC_DISC_REQUESTED_FACILITY_NOT_IMPLEMENTED



69

69

69

500

70

CPC_DISC_ONLY_RESTRICTED_DIGITAL_INFO_BEARER_CAP_AVAIL



70

70

70

488

79 (j)

CPC_DISC_SERVICE_OR_OPTION_NOT_IMPLEMENTED_UNSPECIFIED


79

79

79

501

81

CPC_DISC_INVALID_CALL_REFERENCE


95

95

81

500

82

CPC_DISC_CHANNEL_DOES_NOT_EXIST


95

95

82

500

83

CPC_DISC_SUSPENDED_CALL_NO_INDENTITY



95

95

83

500

84

CPC_DISC_CALL_IDENTITY_IN_USE



95

95

84

500

85

CPC_DISC_NO_CALL_SUSPENDED



95

95

85

500

86

CPC_DISC_CALL_IDENTITY_CLEARED



95

95

86

500

87

CPC_DISC_NOT_MEMBER_OF_CUG



87

87

87

403

88

CPC_DISC_INCOMPATIBLE_DESTINATION

88

88

88

503

90

CPC_DISC_NON_EXISTENT_CUG



90

90

90

500

91

CPC_DISC_INVALID_TRANSIT_NETWORK_SELECTION


91

91

91

500

95

CPC_DISC_INVALID_MESSAGE_UNSPECIFIED

95

95

95

500

96

CPC_DISC_MANDATORY_INFORMATION_ELEMENT_MISSING


111

96

96

500

97

CPC_DISC_MSG_TYPE_NON_EXISTENT_OR_NOT_IMPLEMENTED

97

97

97

500

98

CPC_DISC_MSG_TYPE_NC_NE_OR_NI


111

111

98

500

99

CPC_DISC_IE_NOT_IMPLEMENTED

99

99

99

500

100

CPC_DISC_INVALID_INFORMATION_ELEMENT_CONTENT


111

100

100

500

101

CPC_DISC_MSG_NOT_COMPATIBLE_WITH_STATE


111

111

101

500

102

CPC_DISC_RECOVERY_ON_TIMER_EXPIRY

102

102

102

504

103

CPC_DISC_PARAMETER_NOT_IMPLEMENTED


103

103

103

500

110

CPC_DISC_UNRECOGNIZED_PARAMETER



110

110

110

500

111

CPC_DISC_PROTOCOL_ERROR_UNSPECIFIED

111

111

111

500

127

CPC_DISC_INTERWORKING_UNSPECIFIED

127

127

127

500


Ribbon Extensions (Ribbon extension values do not have any standards reference)

128 (k)

CPC_DISC_RES_AL_FAIL




34

34

47

488

129 (h)(k)

CPC_DISC_CHAN_COLL_BACKOFF




34

16

47

500

130 (k)

CPC_DISC_INSUFF_DEST_RESOURCES




34

16

47

503

131

CPC_DISC_RESOURCE_FAILURE




41

47

47

500

132

CPC_DISC_MODULE_FAILURE




41

16

41

500

133

CPC_DISC_MGSG_EGRESS_DISC




31

16

31

500

134 (k)

CPC_DISC_CHAN_COT_FAIL_BACKOFF




34

16

47

500

135 (l)

CPC_DISC_COLL_REATTEMPT_EXHASTD




41

34

47

500

136

CPC_DISC_COT_REATTEMPT_EXHASTD




31

16

47

500

137

CPC_DISC_NO_ROUTE_BEARER_CAP




63

63

31

500

138

CPC_DISC_NO_ROUTE_SIGNALING




3

3

31

500

139

CPC_DISC_NO_ROUTE_DIRECTION




3

3

31

500

140 (k)

CPC_DISC_CEP_RES_AL_FAIL




34

16

47

500

141

CPC_DISC_WITH_NEW_DESTINATION




31

16

31

500

142 (k)

CPC_DISC_ACC_PROCEDURE




34

16

47

500

143 (k)

CPC_DISC_ACC_ALT_ROUTE




34

16

47

500

144

CPC_DISC_PACKET_LOSS_EXCEEDES_THRESHOLD




31

16

41

500

145

CPC_DISC_NO_RTP_OR_RTCP_PACKETS




31

16

41

500

146

CPC_DISC_HOP_COUNTER_EXHAUSTED




25

16

31

500

147

CPC_DISC_CONVERSION_FAILURE




31

16

127

500

148 (k)

CPC_DISC_CONGESTION_REROUTE_NOT_PERMITTED




34

16

127

500

149

CPC_DISC_SBC_INCOMPATIBLE_DESTINATION




3

3

3

404

150

CPC_DISC_NO_PSX_ROUTE




3

3

3

404

151

CPC_DISC_SETUP_REQ_TIMER_EXPIRY




102

102

102

504

152

CPC_DISC_GW_CONGESTED




42

42

42

503

153

CPC_DISC_GLARE_OCCURRED




31

16

127

500

154

CPC_DISC_NO_TERM_CIT_RCVD




41

16

127

500

155

CPC_DISC_BUSY_EVERYWHERE




31

16

127

600

156

CPC_DISC_REASON_UNKNOWN_RESOURCE_PRIORITY




31

16

127

417

157

CPC_DISC_REASON_BAD_EXTENSION




31

16

127

420

158

CPC_DISC_REASON_QUEUE_TIMEOUT




31

16

127

408

159

CPC_DISC_REASON_FORBIDDEN




31

16

127

403

160

(Reserved for future use)




----

161

CPC_DISC_REASON_QUEUEING_IMPOSSIBLE




31

16

127

503

162CPC_DISC_ACC_INGRESS                                  


3116127503
163CPC_DISC_UA_PREEMPTION                                


3116127
164CPC_DISC_NETWORK_PREEMPTION                           


3116127
165CPC_DISC_RESOURCE_LIST_TRANS_FAIL


3116127488
166 (n)

CPC_DISC_PDD_TIMER_EXPIRED




3116127503
167CPC_DISC_GENERATE_MODULE_FAILURE


3116127503
168CPC_DISC_REASON_ADDRESS_UNREACHABLE


3116127504
176 (m)CPC_DISC_TG_AUTH_FAIL 


3116127403
177 (m)CPC_DISC_TG_AUTH_FAIL_401_407 


3116127403
178

CPC_DISC_RX_RAR_GUARD_TIMER_EXPIRED




3116127
179

CPC_DISC_INFO_METHOD_REJECT




3116127405
180CPC_DISC_MESSAGE_METHOD_REJECT


3116127405
181

CPC_DISC_NOTIFY_METHOD_REJECT




3116127405
182

CPC_DISC_OPTIONS_METHOD_REJECT




3116127405
183CPC_DISC_PUBLISH_METHOD_REJECT


3116127405
184CPC_DISC_REFER_METHOD_REJECT


3116127405
185CPC_DISC_REGISTER_METHOD_REJECT


3116127405
186CPC_DISC_SUBSCRIBE_METHOD_REJECT


3116127405
187CPC_DISC_UPDATE_METHOD_REJECT


3116127405
188

PC_DISC_EP_CAC_VIDEO_THR




3116127
189CPC_DISC_REFER_METHOD_RELAY


3116127
190CPC_DISC_ENCRYPT_LICENSE_ENFORCED


3116127503
191

CPC_DISC_SRTP_LICENSE_ENFORCED




3116127488
192CPC_DISC_RETRY_PROFILE_IN_REDIRECT_MODE


3116127
193CPC_DISC_WITH_RETRY_PROFILE


3116127
194

CPC_DISC_AMRNB_LICENSE_ENFORCED




3116127488
195

CPC_DISC_AMRWB_LICENSE_ENFORCED




3116127488
196

CPC_DISC_EVRC_LICENSE_ENFORCED




3116127488
197

CPC_DISC_MRF_CALL_CLEANUP_RCVD




3116127
198

CPC_DISC_MRF_MODIFY_FAILED




3116127
199CPC_DISC_VDSP_LICENSE_ENFORCED


3116127488
200

CPC_DISC_MRF_LICENSE_ENFORCED




3116127488
201CPC_DISC_CAC_NON_REG_LIMIT_REACHED


3116127
202CPC_DISC_EVS_LICENSE_ENFORCED


3116127
203

CPC_DISC_SMM_ACTION_TEARDOWN




3116127503
206CPC_DISC_SILK_LICENSE_ENFORCED






211CPC_DISC_REFER_METHOD_BYE





(c)
216CPC_DISC_UNWANTED


2116127607
217CPC_DISC_REJECTED


2116127608
218CPC_DISC_GLOBAL_FAILURE_609


3116127609
219CPC_DISC_GLOBAL_FAILURE_610


3116127610



Note

For the blank entries in the SIP column, if they are not specifically listed in the CPC to SIP mapping table, the status code can be retrieved based on the configuration of the parameter unrecAction in the CPC to SIP mapping table. For more information, refer to the section .


Note

(a) Disconnect code 6 and 7 are used by certain ISUP variants with the coding standard of CCITT

(b) Disconnect code 14 (DISCONNECT NUMBER PORTED) is a non-standard code for all Ribbon service groups. When the product software receives this code, the Call Disconnect Reason field of STOP or ATTEMPT Call Data Record (CDR) is set to received code of 14 by ISUP and H.323 service handlers. ISDN service groups set the field to 31 (NORMAL UNSPECIFIED). The SIP signaling service does not recognize this code and sets the field to 500 (SERVER INTERNAL ERROR).

(c) BYE or CANCEL

(d) 403 if the cause location is "network"; 603 if the cause location is "user".

(e) Disconnect code 22 (NUMBER CHANGED) is a Q.850 standard code. When this code is received by the product software, the Call Disconnect Reason field of the ATTEMPT CDR is set to receive code 22 by ISUP, ISDN, and H.323 service handlers. The SIP signaling service looks for information in the diagnostic field about a new number where the called party may be reachable. If this information is found, it is added to the Contact header of the SIP response and the Call Disconnect Reason field is set to 301 (MOVED PERMANENTLY); if this information is not present, the field is set to 410 (GONE).

(f) Disconnect codes 23, 24, 45, and 51 are used by ANSI variants with the coding standard NATIONAL.

(g) Disconnect code 30 (RESPONSE TO STATUS ENQUIRY) is a Q.850 standard code. When received by the product software, the Call Disconnect Reason field of STOP or ATTEMPT CDR is set to receive code 30 by ISUP and H.323 service handlers. ISDN service groups set the field to 31 (NORMAL UNSPECIFIED). SIP signaling service does not recognize this code, and sets field to 500.

(h) Disconnect code 129 (CHANNEL COLLISION BACKOFF) is a Ribbon defined code. When generated at the egress product, the code tries to find another circuit/end point on same trunk group. If no circuits are available, call is reattempted on another trunk group. If still no circuits, call is released back to ingress product with disconnect code 34 (NO CIRCUIT AVAILABLE). If 129 is generated twice for the same trunk group, the call is released back to the ingress product with disconnect reason 135 (COLLISION REATTEMPT EXHAUSTED). The ingress product may reattempt the call on another trunk group if a disconnect reason of 34 or 135 is in the Crankback Profile.
When 129 is generated at ingress product, code looks for another circuit/end point on same TG. Ifone, call is reattempted on another TG and if still no circuits, call is released with disconnect code 34. If 129 is generated twice for the same TG, call is released with disconnect code 135.

 (i) Disconnect code 32 (CALL REJECTED DUE TO FEATURE AT DESTINATION) actually gets sent as cause value 24 when using the coding standard of CCITT for ITU. This value is not supported in the ISDN code, so if it is received the CDR will contain the value 31.

(j) Disconnect code 79 is used for H.323.

(k) Disconnect codes 128, 129, 130, 134, 140, 142, 143, and 148 are mapped to cause value 34 at the ingress side and 47 at the egress side.

(l) Disconnect code 135 is mapped to cause value 31 for EuroISDN and 34 for all other ISDN variants.

(m) Disconnect codes 176 and 177 can be configured to map to any SIP error cause code. By default, they are mapped to SIP cause code 403.

 

In each of the above cases, the disconnect code that is returned to the preceding switch depends on the type of product service handler as well as the type of preceding product.

  • The code that is returned when called party initiates the disconnect is stored in the "Call Disconnect Reason Transmitted to Ingress".
  • The code that is returned when calling party initiates the disconnect is stored in the "Call Disconnect Reason Transmitted to Egress".

If a SILK codec transcoding session is rejected because a SILK license is not available, then the disconnect reason field will include a value of 206.

CDR ingress and egress codec type fields identifies SILK using the existing SILK values for codec type and include the max average bitrate. For example, the entry for SILK 8 would be: P:49:20000 where 49 is the existing numeric identifier for SILK 8 and 20000 is the max average bitrate.

(n) The disconnect reason code configured on the ingress and egress trunk groups is included in the release message independently. This value that is used comes from the configuration of  the associated SIP trunk group and not from the CPC to SIP mapping table. For more information refer to .


Call Disconnect Mapping to Call Failure Statistics

The following table maps call disconnect reason codes with the CLI zone statistics callFailureCurrentStatistics and callFailureIntervalStatistics. Refer to Show Table Address Context - Zone for statistics details.


Info
titleNote

The call reason code mapping to callFailureCurrentStatistics / callFailureIntervalStatistics applies to both ingress and egress legs.


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Table 2: Call Disconnect Mapping to Call Failure Statistics

Reason
Code
EnumerationStatistic
0CPC_INVALID_DISC_REASON 
1CPC_DISC_UNALLOCATED_NUMBERinCallFailInvalidCall
2CPC_DISC_NO_ROUTE_TO_SPECIFIED_TRANSIT_NETWORKinCallFailNoRoutes
3CPC_DISC_NO_ROUTE_TO_DESTINATIONinCallFailNoRoutes
4CPC_DISC_SEND_SPECIAL_INFO_TONEinCallFailUnspecified
5CPC_DISC_MISDIALED_TRUNK_PREFIXinCallFailInvalidCall
6CPC_DISC_CHANNEL_UNACCEPTABLEinCallFailNoResources
7CPC_DISC_CALL_AWARDEDinCallFailUnspecified
8CPC_DISC_PREEMPTIONinCallFailNoResources
9CPC_DISC_PREEMPTION_CIRCUIT_RESERVEDinCallFailNoResources
14CPC_DISC_NUMBER_PORTED 
16CPC_DISC_NORMAL_CALL_CLEARING 
17CPC_DISC_USER_BUSY 
18CPC_DISC_NO_USER_RESPONDINGinCallFailUnspecified
19CPC_DISC_NO_ANSWER_FROM_USERinCallFailUnspecified
20CPC_DISC_SUBSCRIBER_ABSENTinCallFailUnspecified
21CPC_DISC_CALL_REJECTEDinCallFailUnspecified
22CPC_DISC_NUMBER_CHANGEDinCallFailInvalidCall
23CPC_DISC_UNALLOCATED_DEST_NUMBERinCallFailInvalidCall
24CPC_DISC_UNKNOWN_BUSINESS_GROUPinCallFailInvalidCall
25CPC_DISC_EXCHANGE_ROUTING_ERRORinCallFailNetworkFailure
26CPC_DISC_MISROUTED_CALL_TO_PORTED_NUMBERinCallFailNetworkFailure
27CPC_DISC_DESTINATION_OUT_OF_ORDERinCallFailNetworkFailure
28CPC_DISC_INVALID_NUMBER_FORMATinCallFailInvalidCall
29CPC_DISC_FACILITY_REJECTEDinCallFailNoService
30CPC_DISC_RESPONSE_TO_STATUS_ENQUIRY
31CPC_DISC_NORMAL_UNSPECIFIED
32CPC_DISC_CALL_REJECTED_DUE_TO_FEATURE_AT_DESTINATIONinCallFailUnspecified
34CPC_DISC_NO_CIRCUIT_AVAILABLEinCallFailNoResources
38CPC_DISC_NETWORK_OUT_OF_ORDERinCallFailNetworkFailure
39CPC_DISC_PERM_FM_CONNECTION_OOSinCallFailNetworkFailure
40CPC_DISC_PERM_FM_CONNECTION_OPERATIONAL
41CPC_DISC_TEMPORARY_FAILUREinCallFailNetworkFailure
42CPC_DISC_SWITCHINGEQUIP_CONGESTIONinCallFailNetworkFailure
43CPC_DISC_ACCESS_INFORMATION_DISCARDEDinCallFailNoResources
44CPC_DISC_REQUESTED_CIRCUIT_NOT_AVAILABLEinCallFailNoResources
45CPC_DISC_ANSI_PREEMPTIONinCallFailNoResources
46CPC_DISC_PRECEDENCE_CALL_BLOCKEDinCallFailNoResources
47CPC_DISC_RESOURCE_UNAVAILABLE_UNSPECIFIEDinCallFailNoResources
49CPC_DISC_QUALITY_OF_SERVICE_UNAVAILinCallFailNoService
50CPC_DISC_REQUESTED_FACILITY_NOT_SUBSCRIBEDinCallFailNoService
51CPC_DISC_CALL_TYPE_INCOMPATIBLE_WITH_SERVICEinCallFailNoService
53CPC_DISC_OUTGOING_CALL_BARRED_CUGinCallFailNoService
54CPC_DISC_CALL_BLOCKED_GROUP_RESTRICTIONSinCallFailNoService
55CPC_DISC_INCOMING_CALL_BARRED_CUGinCallFailNoService
57CPC_DISC_BEARER_CAP_NOT_AUTHORIZEDinCallFailNoService
58CPC_DISC_BEARER_CAP_PRESENTLY_NOT_AVAILABLEinCallFailNoService
62CPC_DISC_INCONSISTENT_OUTGOING_SUBSCRIBER_CLASSinCallFailNoService
63CPC_DISC_SERVICE_OR_OPTION_NOT_AVAILABLE_UNSPECIFIEDinCallFailNoService
65CPC_DISC_BEARER_CAP_NOT_IMPLEMENTEDinCallFailNoService
66CPC_DISC_CHANNEL_TYPE_NOT_IMPLEMENTEDinCallFailNoService
69CPC_DISC_REQUESTED_FACILITY_NOT_IMPLEMENTEDinCallFailNoService
70CPC_DISC_ONLY_RESTRICTED_DIGITAL_INFO_BEARER_CAP_AVAILinCallFailNoService
79CPC_DISC_SERVICE_OR_OPTION_NOT_IMPLEMENTED_UNSPECIFIEDinCallFailNoService
81CPC_DISC_INVALID_CALL_REFERENCEinCallFailProtocolError
82CPC_DISC_CHANNEL_DOES_NOT_EXISTinCallFailProtocolError
83CPC_DISC_SUSPENDED_CALL_NO_INDENTITYinCallFailProtocolError
84CPC_DISC_CALL_IDENTITY_IN_USEinCallFailProtocolError
85CPC_DISC_NO_CALL_SUSPENDEDinCallFailProtocolError
86CPC_DISC_CALL_IDENTITY_CLEAREDinCallFailProtocolError
87CPC_DISC_NOT_MEMBER_OF_CUGinCallFailProtocolError
88CPC_DISC_INCOMPATIBLE_DESTINATIONinCallFailInvalidCall
90CPC_DISC_NON_EXISTENT_CUGinCallFailProtocolError
91CPC_DISC_INVALID_TRANSIT_NETWORK_SELECTIONinCallFailProtocolError
95CPC_DISC_INVALID_MESSAGE_UNSPECIFIEDinCallFailProtocolError
96CPC_DISC_MANDATORY_INFORMATION_ELEMENT_MISSINGinCallFailProtocolError
97CPC_DISC_MSG_TYPE_NON_EXISTENT_OR_NOT_IMPLEMENTEDinCallFailProtocolError
98CPC_DISC_MSG_TYPE_NC_NE_OR_NIinCallFailProtocolError
99CPC_DISC_IE_NOT_IMPLEMENTEDinCallFailProtocolError
100CPC_DISC_INVALID_INFORMATION_ELEMENT_CONTENTinCallFailProtocolError
101CPC_DISC_MSG_NOT_COMPATIBLE_WITH_STATEinCallFailProtocolError
102CPC_DISC_RECOVERY_ON_TIMER_EXPIRY

TrunkStartTimeout (Ingress)

CallFailProtocolError(Egress)

103CPC_DISC_PARAMETER_NOT_IMPLEMENTEDinCallFailProtocolError
110CPC_DISC_UNRECOGNIZED_PARAMETERinCallFailProtocolError
111CPC_DISC_PROTOCOL_ERROR_UNSPECIFIEDinCallFailProtocolError
127CPC_DISC_INTERWORKING_UNSPECIFIED
128CPC_DISC_RES_AL_FAILinCallFailNoResources
129CPC_DISC_CHAN_COLL_BACKOFFinCallFailNoResources
130CPC_DISC_INSUFF_DEST_RESOURCESinCallFailNoResources
131CPC_DISC_RESOURCE_FAILUREinCallFailNoResources
132CPC_DISC_MODULE_FAILUREinCallFailUnspecified
133CPC_DISC_MGSG_EGRESS_DISC
134CPC_DISC_CHAN_COT_FAIL_BACKOFFinCallFailNoResources
135CPC_DISC_COLL_REATTEMPT_EXHASTDinCallFailNoResources
136CPC_DISC_COT_REATTEMPT_EXHASTDinCallFailNoResources
137CPC_DISC_NO_ROUTE_BEARER_CAPinCallFailNoRoutes
138CPC_DISC_NO_ROUTE_SIGNALINGinCallFailNoRoutes
139CPC_DISC_NO_ROUTE_DIRECTIONinCallFailNoRoutes
140CPC_DISC_CEP_RES_AL_FAILinCallFailNoResources
141CPC_DISC_WITH_NEW_DESTINATION
142CPC_DISC_ACC_PROCEDURE
143CPC_DISC_ACC_ALT_ROUTE
144CPC_DISC_PACKET_LOSS_EXCEEDES_THRESHOLD
145CPC_DISC_NO_RTP_OR_RTCP_PACKETS
146CPC_DISC_HOP_COUNTER_EXHAUSTEDinCallFailNetworkFailure
147CPC_DISC_CONVERSION_FAILURE
148CPC_DISC_CONGESTION_REROUTE_NOT_PERMITTED
149CPC_DISC_SBC_INCOMPATIBLE_DESTINATION
150CPC_DISC_NO_PSX_ROUTENoPsxRoute
151CPC_DISC_SETUP_REQ_TIMER_EXPIRYinCallFailNetworkFailure
152CPC_DISC_GW_CONGESTEDinCallFailNetworkFailure
153CPC_DISC_GLARE_OCCURRED
154CPC_DISC_NO_TERM_CIT_RCVD
155CPC_DISC_BUSY_EVERYWHERE
156CPC_DISC_REASON_UNKNOWN_RESOURCE_PRIORITY
157CPC_DISC_REASON_BAD_EXTENSION
158CPC_DISC_REASON_QUEUE_TIMEOUT
159CPC_DISC_REASON_FORBIDDEN
160(Reserved for future use)
161CPC_DISC_REASON_QUEUEING_IMPOSSIBLE
176CPC_DISC_TG_AUTH_FAIL 
177CPC_DISC_TG_AUTH_FAIL_401_407