Call details
04366-xxxx 055xxxxxxx 15-Jul-19 4:18 PM 2062
48984 16:15:32.595 60 4001000f ==> SETUP crv 0_16ba
48984 16:15:32.595 60 4001000f ==> SETUP crv 0_16ba
D-channel port number: 4001000f
Protocol Discriminator: 08 call control
Call Reference Value: 02 16 ba Origination 16ba
Q.931 Message Type: 05 Setup
=> BEARER CAPABILITY 80 90 a3 speech, 64 kbps, A-law
| coding standard: CCITT
| transfer mode: circuit-mode
| layer 1 indent: layer 1
=> CHANNEL IDENT a1 83 8e B-ch num 14, pref
=> CALLING PARTY NUMBER ................................. 055xxxxxxx
| type of number: national
| numbering plan: ISDN/telphny plan E.164/3 |cv ISDN/telphny pln
| presentation ind: presentation allowed
| screening: network provided
=> CALLED PARTY NUMBER ..................................... 366xxxx
| type of number: subscriber
| numbering plan: ISDN/telphny plan E.164/3 |cv ISDN/telphny pln
=> SENDING COMPLETE (a1)
48986 16:15:32.595 62 4001000f <-- CALL_PROC crv 1_16ba
49071 16:15:32.600 62 4001000f <-- ALERT crv 1_16ba
49332 16:15:34.795 62 4001000f <-- CONN crv 1_16ba
49354 16:15:34.840 60 4001000f ==> CONN_ACK crv 0_16ba
52892 16:17:48.743 62 4001000f <-- STA_ENQ/CL crv 1_16ba CM sent status enquiry to know the status of the trunk
52892 16:17:48.743 62 4001000f <-- STA_ENQ/CL crv 1_16ba
D-channel port number: 4001000f
Protocol Discriminator: 08 call control
Call Reference Value: 02 96 ba Destination 16ba
Q.931 Message Type: 75 Status Enquiry/Close(1TR6)
52913 16:17:48.813 60 4001000f ==> STATUS crv 0_16ba (status resp) Service provider reply and call up
52913 16:17:48.813 60 4001000f ==> STATUS crv 0_16ba (status resp)
D-channel port number: 4001000f
Protocol Discriminator: 08 call control
Call Reference Value: 02 16 ba Origination 16ba
Q.931 Message Type: 7d Status
=> CAUSE user: 30. Response to status enquiry
=> CALL STATE 0a active |cv active-crv in use
60031 16:19:41.347 62 4001000f <-- STA_ENQ/CL crv 1_16ba CM AGAIN sent status enquiry to know the status of the trunk
60031 16:19:41.347 62 4001000f <-- STA_ENQ/CL crv 1_16ba
D-channel port number: 4001000f
Protocol Discriminator: 08 call control
Call Reference Value: 02 96 ba Destination 16ba
Q.931 Message Type: 75 Status Enquiry/Close(1TR6)
60035 16:19:41.405 60 4001000f ==> REL_COM crv 0_16ba invalid cref ! Service provider reply with release.
Cause :- Need to check from Service Provider cause of this issue.
Good call from the same number 055xxxxxxx and land on same 04366-xxxx but different D-channel.
Good Call
55864 16:19:06.183 60 4004180f ==> SETUP crv 0_1eac
55864 16:19:06.183 60 4004180f ==> SETUP crv 0_1eac
D-channel port number: 4004180f
Protocol Discriminator: 08 call control
Call Reference Value: 02 1e ac Origination 1eac
Q.931 Message Type: 05 Setup
=> BEARER CAPABILITY 80 90 a3 speech, 64 kbps, A-law
| coding standard: CCITT
| transfer mode: circuit-mode
| layer 1 indent: layer 1
=> CHANNEL IDENT a1 83 85 B-ch num 5, pref
=> CALLING PARTY NUMBER ................................. 055xxxxxxx
| type of number: national
| numbering plan: ISDN/telphny plan E.164/3 |cv ISDN/telphny pln
| presentation ind: presentation allowed
| screening: network provided
=> CALLED PARTY NUMBER ..................................... 366xxxx
| type of number: subscriber
| numbering plan: ISDN/telphny plan E.164/3 |cv ISDN/telphny pln
=> SENDING COMPLETE (a1)
55866 16:19:06.183 62 4004180f <-- CALL_PROC crv 1_1eac
55951 16:19:06.188 62 4004180f <-- ALERT crv 1_1eac
57035 16:19:10.086 62 4004180f <-- CONN crv 1_1eac
57057 16:19:10.128 60 4004180f ==> CONN_ACK crv 0_1eac
67291 16:21:33.006 60 4004180f ==> DISC crv 0_1eac
67311 16:21:33.007 62 4004180f <-- REL crv 1_1eac
67327 16:21:33.051 60 4004180f ==> REL_COM crv 0_1eac
Bad Call
We can see same behavior and same d-channel used for the call.
51492 16:17:06.175 60 4001000f ==> SETUP crv 0_0f10
51492 16:17:06.175 60 4001000f ==> SETUP crv 0_0f10
D-channel port number: 4001000f
Protocol Discriminator: 08 call control
Call Reference Value: 02 0f 10 Origination 0f10
Q.931 Message Type: 05 Setup
=> BEARER CAPABILITY 90 90 a3 3.1 kHz audio, 64 kbps, A-law
| coding standard: CCITT
| transfer mode: circuit-mode
| layer 1 indent: layer 1
=> CHANNEL IDENT a1 83 85 B-ch num 5, pref
=> PROGRESS IND 82 81 local pub netwk, call NOT end-to-end ISDN
=> CALLING PARTY NUMBER ................................. 050xxxxxxx
| type of number: national
| numbering plan: ISDN/telphny plan E.164/3 |cv ISDN/telphny pln
| presentation ind: presentation allowed
| screening: network provided
=> CALLED PARTY NUMBER ..................................... 366xxxx
| type of number: subscriber
| numbering plan: ISDN/telphny plan E.164/3 |cv ISDN/telphny pln
=> SENDING COMPLETE (a1)
51494 16:17:06.175 62 4001000f <-- CALL_PROC crv 1_0f10
51575 16:17:06.180 62 4001000f <-- ALERT crv 1_0f10
51601 16:17:06.181 62 4001000f <-- CONN crv 1_0f10
51605 16:17:06.225 60 4001000f ==> CONN_ACK crv 0_0f10
52886 16:17:48.728 62 4001000f <-- STA_ENQ/CL crv 1_0f10 CM sent status enquiry to know the status of the trunk
52886 16:17:48.728 62 4001000f <-- STA_ENQ/CL crv 1_0f10
D-channel port number: 4001000f
Protocol Discriminator: 08 call control
Call Reference Value: 02 8f 10 Destination 0f10
Q.931 Message Type: 75 Status Enquiry/Close(1TR6)
52902 16:17:48.774 60 4001000f ==> STATUS crv 0_0f10 (status resp)
52902 16:17:48.774 60 4001000f ==> STATUS crv 0_0f10 (status resp) Service provider reply and call up
D-channel port number: 4001000f
Protocol Discriminator: 08 call control
Call Reference Value: 02 0f 10 Origination 0f10
Q.931 Message Type: 7d Status
=> CAUSE user: 30. Response to status enquiry
=> CALL STATE 0a active |cv active-crv in use
59832 16:19:41.118 62 4001000f <-- STA_ENQ/CL crv 1_0f10
59832 16:19:41.118 62 4001000f <-- STA_ENQ/CL crv 1_0f10 CM AGAIN sent status enquiry to know the status of the trunk
D-channel port number: 4001000f
Protocol Discriminator: 08 call control
Call Reference Value: 02 8f 10 Destination 0f10
Q.931 Message Type: 75 Status Enquiry/Close(1TR6)
59938 16:19:41.211 60 4001000f ==> REL_COM crv 0_0f10 invalid cref ! Service provider reply with release.
