Call Disconnect Reason Code Mapping

In this section:

Call Disconnect Reason Code Mapping

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

Note

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

Note

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

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Call Disconnect Reason Code Mapping

Reason Code Received	Enumeration	Standards			CDC stored in CDR (per signaling type)
Reason Code Received	Enumeration	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
162	CPC_DISC_ACC_INGRESS				31	16	127	503
163	CPC_DISC_UA_PREEMPTION				31	16	127
164	CPC_DISC_NETWORK_PREEMPTION				31	16	127
165	CPC_DISC_RESOURCE_LIST_TRANS_FAIL				31	16	127	488
166 (n)	CPC_DISC_PDD_TIMER_EXPIRED				31	16	127	503
167	CPC_DISC_GENERATE_MODULE_FAILURE				31	16	127	503
168	CPC_DISC_REASON_ADDRESS_UNREACHABLE				31	16	127	504
176 (m)	CPC_DISC_TG_AUTH_FAIL				31	16	127	403
177 (m)	CPC_DISC_TG_AUTH_FAIL_401_407				31	16	127	403
178	CPC_DISC_RX_RAR_GUARD_TIMER_EXPIRED				31	16	127
179	CPC_DISC_INFO_METHOD_REJECT				31	16	127	405
180	CPC_DISC_MESSAGE_METHOD_REJECT				31	16	127	405
181	CPC_DISC_NOTIFY_METHOD_REJECT				31	16	127	405
182	CPC_DISC_OPTIONS_METHOD_REJECT				31	16	127	405
183	CPC_DISC_PUBLISH_METHOD_REJECT				31	16	127	405
184	CPC_DISC_REFER_METHOD_REJECT				31	16	127	405
185	CPC_DISC_REGISTER_METHOD_REJECT				31	16	127	405
186	CPC_DISC_SUBSCRIBE_METHOD_REJECT				31	16	127	405
187	CPC_DISC_UPDATE_METHOD_REJECT				31	16	127	405
188	PC_DISC_EP_CAC_VIDEO_THR				31	16	127
189	CPC_DISC_REFER_METHOD_RELAY				31	16	127
190	CPC_DISC_ENCRYPT_LICENSE_ENFORCED				31	16	127	503
191	CPC_DISC_SRTP_LICENSE_ENFORCED				31	16	127	488
192	CPC_DISC_RETRY_PROFILE_IN_REDIRECT_MODE				31	16	127
193	CPC_DISC_WITH_RETRY_PROFILE				31	16	127
194	CPC_DISC_AMRNB_LICENSE_ENFORCED				31	16	127	488
195	CPC_DISC_AMRWB_LICENSE_ENFORCED				31	16	127	488
196	CPC_DISC_EVRC_LICENSE_ENFORCED				31	16	127	488
197	CPC_DISC_MRF_CALL_CLEANUP_RCVD				31	16	127
198	CPC_DISC_MRF_MODIFY_FAILED				31	16	127
199	CPC_DISC_VDSP_LICENSE_ENFORCED				31	16	127	488
200	CPC_DISC_MRF_LICENSE_ENFORCED				31	16	127	488
201	CPC_DISC_CAC_NON_REG_LIMIT_REACHED				31	16	127
202	CPC_DISC_EVS_LICENSE_ENFORCED				31	16	127
203	CPC_DISC_SMM_ACTION_TEARDOWN				31	16	127	503
206	CPC_DISC_SILK_LICENSE_ENFORCED
211	CPC_DISC_REFER_METHOD_BYE							(c)
216	CPC_DISC_UNWANTED				21	16	127	607
217	CPC_DISC_REJECTED				21	16	127	608
218	CPC_DISC_GLOBAL_FAILURE_609				31	16	127	609
219	CPC_DISC_GLOBAL_FAILURE_610				31	16	127	610

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 CPC to SIP Cause Map Profile - CLI.

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 SBC 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 SBC 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 SBC 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 SBC, 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 SBC 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 SBC with disconnect reason 135 (COLLISION REATTEMPT EXHAUSTED). The ingress SBC 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 SBC, 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 SBC service handler as well as the type of preceding SBC.

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 SIP TG - Signaling - Post-Dial Delay - CLI.

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.

Note

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

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Call Disconnect Mapping to Call Failure Statistics

Reason Code	Enumeration	Statistic
0	CPC_INVALID_DISC_REASON
1	CPC_DISC_UNALLOCATED_NUMBER	`inCallFailInvalidCall`
2	CPC_DISC_NO_ROUTE_TO_SPECIFIED_TRANSIT_NETWORK	`inCallFailNoRoutes`
3	CPC_DISC_NO_ROUTE_TO_DESTINATION	`inCallFailNoRoutes`
4	CPC_DISC_SEND_SPECIAL_INFO_TONE	`inCallFailUnspecified`
5	CPC_DISC_MISDIALED_TRUNK_PREFIX	`inCallFailInvalidCall`
6	CPC_DISC_CHANNEL_UNACCEPTABLE	`inCallFailNoResources`
7	CPC_DISC_CALL_AWARDED	`inCallFailUnspecified`
8	CPC_DISC_PREEMPTION	`inCallFailNoResources`
9	CPC_DISC_PREEMPTION_CIRCUIT_RESERVED	`inCallFailNoResources`
14	CPC_DISC_NUMBER_PORTED
16	CPC_DISC_NORMAL_CALL_CLEARING
17	CPC_DISC_USER_BUSY
18	CPC_DISC_NO_USER_RESPONDING	`inCallFailUnspecified`
19	CPC_DISC_NO_ANSWER_FROM_USER	`inCallFailUnspecified`
20	CPC_DISC_SUBSCRIBER_ABSENT	`inCallFailUnspecified`
21	CPC_DISC_CALL_REJECTED	`inCallFailUnspecified`
22	CPC_DISC_NUMBER_CHANGED	`inCallFailInvalidCall`
23	CPC_DISC_UNALLOCATED_DEST_NUMBER	`inCallFailInvalidCall`
24	CPC_DISC_UNKNOWN_BUSINESS_GROUP	`inCallFailInvalidCall`
25	CPC_DISC_EXCHANGE_ROUTING_ERROR	`inCallFailNetworkFailure`
26	CPC_DISC_MISROUTED_CALL_TO_PORTED_NUMBER	`inCallFailNetworkFailure`
27	CPC_DISC_DESTINATION_OUT_OF_ORDER	`inCallFailNetworkFailure`
28	CPC_DISC_INVALID_NUMBER_FORMAT	`inCallFailInvalidCall`
29	CPC_DISC_FACILITY_REJECTED	`inCallFailNoService`
30	CPC_DISC_RESPONSE_TO_STATUS_ENQUIRY
31	CPC_DISC_NORMAL_UNSPECIFIED
32	CPC_DISC_CALL_REJECTED_DUE_TO_FEATURE_AT_DESTINATION	`inCallFailUnspecified`
34	CPC_DISC_NO_CIRCUIT_AVAILABLE	`inCallFailNoResources`
38	CPC_DISC_NETWORK_OUT_OF_ORDER	`inCallFailNetworkFailure`
39	CPC_DISC_PERM_FM_CONNECTION_OOS	`inCallFailNetworkFailure`
40	CPC_DISC_PERM_FM_CONNECTION_OPERATIONAL
41	CPC_DISC_TEMPORARY_FAILURE	`inCallFailNetworkFailure`
42	CPC_DISC_SWITCHINGEQUIP_CONGESTION	`inCallFailNetworkFailure`
43	CPC_DISC_ACCESS_INFORMATION_DISCARDED	`inCallFailNoResources`
44	CPC_DISC_REQUESTED_CIRCUIT_NOT_AVAILABLE	`inCallFailNoResources`
45	CPC_DISC_ANSI_PREEMPTION	`inCallFailNoResources`
46	CPC_DISC_PRECEDENCE_CALL_BLOCKED	`inCallFailNoResources`
47	CPC_DISC_RESOURCE_UNAVAILABLE_UNSPECIFIED	`inCallFailNoResources`
49	CPC_DISC_QUALITY_OF_SERVICE_UNAVAIL	`inCallFailNoService`
50	CPC_DISC_REQUESTED_FACILITY_NOT_SUBSCRIBED	`inCallFailNoService`
51	CPC_DISC_CALL_TYPE_INCOMPATIBLE_WITH_SERVICE	`inCallFailNoService`
53	CPC_DISC_OUTGOING_CALL_BARRED_CUG	`inCallFailNoService`
54	CPC_DISC_CALL_BLOCKED_GROUP_RESTRICTIONS	`inCallFailNoService`
55	CPC_DISC_INCOMING_CALL_BARRED_CUG	`inCallFailNoService`
57	CPC_DISC_BEARER_CAP_NOT_AUTHORIZED	`inCallFailNoService`
58	CPC_DISC_BEARER_CAP_PRESENTLY_NOT_AVAILABLE	`inCallFailNoService`
62	CPC_DISC_INCONSISTENT_OUTGOING_SUBSCRIBER_CLASS	`inCallFailNoService`
63	CPC_DISC_SERVICE_OR_OPTION_NOT_AVAILABLE_UNSPECIFIED	`inCallFailNoService`
65	CPC_DISC_BEARER_CAP_NOT_IMPLEMENTED	`inCallFailNoService`
66	CPC_DISC_CHANNEL_TYPE_NOT_IMPLEMENTED	`inCallFailNoService`
69	CPC_DISC_REQUESTED_FACILITY_NOT_IMPLEMENTED	`inCallFailNoService`
70	CPC_DISC_ONLY_RESTRICTED_DIGITAL_INFO_BEARER_CAP_AVAIL	`inCallFailNoService`
79	CPC_DISC_SERVICE_OR_OPTION_NOT_IMPLEMENTED_UNSPECIFIED	`inCallFailNoService`
81	CPC_DISC_INVALID_CALL_REFERENCE	`inCallFailProtocolError`
82	CPC_DISC_CHANNEL_DOES_NOT_EXIST	`inCallFailProtocolError`
83	CPC_DISC_SUSPENDED_CALL_NO_INDENTITY	`inCallFailProtocolError`
84	CPC_DISC_CALL_IDENTITY_IN_USE	`inCallFailProtocolError`
85	CPC_DISC_NO_CALL_SUSPENDED	`inCallFailProtocolError`
86	CPC_DISC_CALL_IDENTITY_CLEARED	`inCallFailProtocolError`
87	CPC_DISC_NOT_MEMBER_OF_CUG	`inCallFailProtocolError`
88	CPC_DISC_INCOMPATIBLE_DESTINATION	`inCallFailInvalidCall`
90	CPC_DISC_NON_EXISTENT_CUG	`inCallFailProtocolError`
91	CPC_DISC_INVALID_TRANSIT_NETWORK_SELECTION	`inCallFailProtocolError`
95	CPC_DISC_INVALID_MESSAGE_UNSPECIFIED	`inCallFailProtocolError`
96	CPC_DISC_MANDATORY_INFORMATION_ELEMENT_MISSING	`inCallFailProtocolError`
97	CPC_DISC_MSG_TYPE_NON_EXISTENT_OR_NOT_IMPLEMENTED	`inCallFailProtocolError`
98	CPC_DISC_MSG_TYPE_NC_NE_OR_NI	`inCallFailProtocolError`
99	CPC_DISC_IE_NOT_IMPLEMENTED	`inCallFailProtocolError`
100	CPC_DISC_INVALID_INFORMATION_ELEMENT_CONTENT	`inCallFailProtocolError`
101	CPC_DISC_MSG_NOT_COMPATIBLE_WITH_STATE	`inCallFailProtocolError`
102	CPC_DISC_RECOVERY_ON_TIMER_EXPIRY	`TrunkStartTimeout (Ingress)` `CallFailProtocolError(Egress)`
103	CPC_DISC_PARAMETER_NOT_IMPLEMENTED	`inCallFailProtocolError`
110	CPC_DISC_UNRECOGNIZED_PARAMETER	`inCallFailProtocolError`
111	CPC_DISC_PROTOCOL_ERROR_UNSPECIFIED	`inCallFailProtocolError`
127	CPC_DISC_INTERWORKING_UNSPECIFIED
128	CPC_DISC_RES_AL_FAIL	`inCallFailNoResources`
129	CPC_DISC_CHAN_COLL_BACKOFF	`inCallFailNoResources`
130	CPC_DISC_INSUFF_DEST_RESOURCES	`inCallFailNoResources`
131	CPC_DISC_RESOURCE_FAILURE	`inCallFailNoResources`
132	CPC_DISC_MODULE_FAILURE	`inCallFailUnspecified`
133	CPC_DISC_MGSG_EGRESS_DISC
134	CPC_DISC_CHAN_COT_FAIL_BACKOFF	`inCallFailNoResources`
135	CPC_DISC_COLL_REATTEMPT_EXHASTD	`inCallFailNoResources`
136	CPC_DISC_COT_REATTEMPT_EXHASTD	`inCallFailNoResources`
137	CPC_DISC_NO_ROUTE_BEARER_CAP	`inCallFailNoRoutes`
138	CPC_DISC_NO_ROUTE_SIGNALING	`inCallFailNoRoutes`
139	CPC_DISC_NO_ROUTE_DIRECTION	`inCallFailNoRoutes`
140	CPC_DISC_CEP_RES_AL_FAIL	`inCallFailNoResources`
141	CPC_DISC_WITH_NEW_DESTINATION
142	CPC_DISC_ACC_PROCEDURE
143	CPC_DISC_ACC_ALT_ROUTE
144	CPC_DISC_PACKET_LOSS_EXCEEDES_THRESHOLD
145	CPC_DISC_NO_RTP_OR_RTCP_PACKETS
146	CPC_DISC_HOP_COUNTER_EXHAUSTED	`inCallFailNetworkFailure`
147	CPC_DISC_CONVERSION_FAILURE
148	CPC_DISC_CONGESTION_REROUTE_NOT_PERMITTED
149	CPC_DISC_SBC_INCOMPATIBLE_DESTINATION
150	CPC_DISC_NO_PSX_ROUTE	`NoPsxRoute`
`151`	CPC_DISC_SETUP_REQ_TIMER_EXPIRY	`inCallFailNetworkFailure`
152	CPC_DISC_GW_CONGESTED	`inCallFailNetworkFailure`
153	CPC_DISC_GLARE_OCCURRED
154	CPC_DISC_NO_TERM_CIT_RCVD
155	CPC_DISC_BUSY_EVERYWHERE
156	CPC_DISC_REASON_UNKNOWN_RESOURCE_PRIORITY
157	CPC_DISC_REASON_BAD_EXTENSION
158	CPC_DISC_REASON_QUEUE_TIMEOUT
159	CPC_DISC_REASON_FORBIDDEN
160	(Reserved for future use)
161	CPC_DISC_REASON_QUEUEING_IMPOSSIBLE
176	CPC_DISC_TG_AUTH_FAIL
177	CPC_DISC_TG_AUTH_FAIL_401_407

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Call Disconnect Reason Code Mapping

Call Disconnect Mapping to Call Failure Statistics