Hello Guys,

I’ve been struggling to find what is the issue with the DLR which regularly 
getting error “DLR but could not find message or was not interested”. From the 
debug logs it looks just fine but from the access logs it becomes like those 
normal MO instead of DN.

38029:2020-05-12 05:07:42 [1640] [9] DEBUG: SMPP[6SeriesSHT]: Got PDU:
38030:2020-05-12 05:07:42 [1640] [9] DEBUG: SMPP PDU 0x7f087c014d70 dump:
38031:2020-05-12 05:07:42 [1640] [9] DEBUG:   type_name: deliver_sm
38032:2020-05-12 05:07:42 [1640] [9] DEBUG:   command_id: 5 = 0x00000005
38033:2020-05-12 05:07:42 [1640] [9] DEBUG:   command_status: 0 = 0x00000000
38034:2020-05-12 05:07:42 [1640] [9] DEBUG:   sequence_number: 253886944 = 
0x0f2201e0
38035:2020-05-12 05:07:42 [1640] [9] DEBUG:   service_type: NULL
38036:2020-05-12 05:07:42 [1640] [9] DEBUG:   source_addr_ton: 1 = 0x00000001
38037:2020-05-12 05:07:42 [1640] [9] DEBUG:   source_addr_npi: 1 = 0x00000001
38038:2020-05-12 05:07:42 [1640] [9] DEBUG:   source_addr: "601xxxxxxxx"
38039:2020-05-12 05:07:42 [1640] [9] DEBUG:   dest_addr_ton: 0 = 0x00000000
38040:2020-05-12 05:07:42 [1640] [9] DEBUG:   dest_addr_npi: 1 = 0x00000001
38041:2020-05-12 05:07:42 [1640] [9] DEBUG:   destination_addr: "63660"
38042:2020-05-12 05:07:42 [1640] [9] DEBUG:   esm_class: 4 = 0x00000004
38043:2020-05-12 05:07:42 [1640] [9] DEBUG:   protocol_id: 0 = 0x00000000
38044:2020-05-12 05:07:42 [1640] [9] DEBUG:   priority_flag: 0 = 0x00000000
38045:2020-05-12 05:07:42 [1640] [9] DEBUG:   schedule_delivery_time: NULL
38046:2020-05-12 05:07:42 [1640] [9] DEBUG:   validity_period: NULL
38047:2020-05-12 05:07:42 [1640] [9] DEBUG:   registered_delivery: 0 = 
0x00000000
38048:2020-05-12 05:07:42 [1640] [9] DEBUG:   replace_if_present_flag: 0 = 
0x00000000
38049:2020-05-12 05:07:42 [1640] [9] DEBUG:   data_coding: 0 = 0x00000000
38050:2020-05-12 05:07:42 [1640] [9] DEBUG:   sm_default_msg_id: 0 = 0x00000000
38051:2020-05-12 05:07:42 [1640] [9] DEBUG:   sm_length: 122 = 0x0000007a
38052:2020-05-12 05:07:42 [1640] [9] DEBUG:   short_message:
38053:2020-05-12 05:07:42 [1640] [9] DEBUG:    Octet string at 0x7f087c014330:
38054:2020-05-12 05:07:42 [1640] [9] DEBUG:      len:  122
38055:2020-05-12 05:07:42 [1640] [9] DEBUG:      size: 123
38056:2020-05-12 05:07:42 [1640] [9] DEBUG:      immutable: 0
38057:2020-05-12 05:07:42 [1640] [9] DEBUG:      data: 69 64 3a 30 34 31 36 32 
39 33 38 30 38 20 73 75   id:0416293808 su
38058:2020-05-12 05:07:42 [1640] [9] DEBUG:      data: 62 3a 30 30 30 20 64 6c 
76 72 64 3a 30 30 30 20   b:000 dlvrd:000
38059:2020-05-12 05:07:42 [1640] [9] DEBUG:      data: 73 75 62 6d 69 74 20 64 
61 74 65 3a 32 30 30 35   submit date:2005
38060:2020-05-12 05:07:42 [1640] [9] DEBUG:      data: 31 32 30 35 30 37 20 64 
6f 6e 65 20 64 61 74 65   120507 done date
38061:2020-05-12 05:07:42 [1640] [9] DEBUG:      data: 3a 32 30 30 35 31 32 30 
35 30 37 20 73 74 61 74   :2005120507 stat
38062:2020-05-12 05:07:42 [1640] [9] DEBUG:      data: 3a 55 4e 44 45 4c 49 56 
20 65 72 72 3a 32 34 35   :UNDELIV err:245
38063:2020-05-12 05:07:42 [1640] [9] DEBUG:      data: 20 74 65 78 74 3a 52 4d 
30 2e 30 30 20 3a 20 59    text:RM0.00 : Y
38064:2020-05-12 05:07:42 [1640] [9] DEBUG:      data: 6f 75 72 20 53 68 6f 70 
65 65                     our Shopee
38065:2020-05-12 05:07:42 [1640] [9] DEBUG:    Octet string dump ends.
38066:2020-05-12 05:07:42 [1640] [9] DEBUG:   message_state: 5 = 0x00000005
38067:2020-05-12 05:07:42 [1640] [9] DEBUG:   receipted_message_id: "18D023B0"
38068:2020-05-12 05:07:42 [1640] [9] DEBUG: SMPP PDU dump ends.
38069:2020-05-12 05:07:42 [1640] [9] DEBUG: SMPP[6SeriesSHT] handle_pdu, got DLR
38070:2020-05-12 05:07:42 [1640] [9] DEBUG: DLR[mysql]: Looking for DLR 
smsc=6SeriesSHT, ts=18D023B0, dst=601xxxxxxxx, type=2
38071:2020-05-12 05:07:42 [1640] [9] DEBUG: sql: SELECT `mask`, `service`, 
`url`, `source`, `destination`, `boxcid` FROM `smpp_dlr` WHERE `smsc`=? AND 
`ts`=?  LIMIT 1
38072:2020-05-12 05:07:42 [1640] [9] DEBUG: column=mask buffer_type=3 
max_length=0 length=10
38073:2020-05-12 05:07:42 [1640] [9] DEBUG: column=service buffer_type=253 
max_length=0 length=40
38074:2020-05-12 05:07:42 [1640] [9] DEBUG: column=url buffer_type=253 
max_length=0 length=255
38075:2020-05-12 05:07:42 [1640] [9] DEBUG: column=source buffer_type=253 
max_length=0 length=40
38076:2020-05-12 05:07:42 [1640] [9] DEBUG: column=destination buffer_type=253 
max_length=0 length=40
38077:2020-05-12 05:07:42 [1640] [9] DEBUG: column=boxcid buffer_type=253 
max_length=0 length=40
38078:2020-05-12 05:07:42 [1640] [9] WARNING: DLR[mysql]: DLR from 
SMSC<6SeriesSHT> for DST<601xxxxxxxx > not found.
38079:2020-05-12 05:07:42 [1640] [9] ERROR: SMPP[6SeriesSHT]: got DLR but could 
not find message or was not interested in it id<18D023B0> dst<601xxxxxxxx >, 
type<2>

Access Logs

2020-05-12 05:07:42 [SMSC:6SeriesSHT] [from:+601xxxxxxxx] [to:63660] 
[msg:122:id:0416293808 sub:000 dlvrd:000 submit date:2005120507 done 
date:2005120507 stat:UNDELIV err:245 text:RM0.00 : Your Shopee] [FID:18D023B0]
2020-05-12 05:07:42 [SMSC:6SeriesSHT] [from:63660] [to: 601xxxxxxxx] 
[msg:149:RM0.00 : Your account (h***i) is now linked to another phone number. 
If this change was not done by you, please call 03 2777 9222 immediately.] 
[FID:18D023B0]

Which normally like

2020-05-12 11:05:39 [SMSC:6SeriesSHT] [from:68886] [to:601xxxxxxxx] 
[msg:92:RM0.00 GoPayz : Your OTP is. You requested to sign in on 12 May 2020 
11:05:38.] [FID:19611B60]
2020-05-12 11:05:39 [SMSC:6SeriesSHT] [from:68886] [to:601xxxxxxxx] 
[msg:122:id:0425794400 sub:000 dlvrd:000 submit date:2005121105 done 
date:2005121105 stat:DELIVRD err:000 text:RM0.00 GoPayz : Your] [FID:19611B60]

Database

+--------+------------+----------+-------------+--------+----------+------------------------------------------------------------------------------------------------------------------------------------+------+--------+--------+
| id     | smsc       | ts       | destination | source | service  | url        
                                                                                
                                        | mask | status | boxcid |
+--------+------------+----------+-------------+--------+----------+------------------------------------------------------------------------------------------------------------------------------------+------+--------+--------+
| 195987 | 6SeriesSHT | 18D023B0 | 601xxxxxxxx | 63660  | smsSMPP2 | 
http://10.90.xx.xxx/BULKDN/BulkDN.aspx?type='%d',74176412-e628-46f2-a49a-e6bde0aa8c14,gweub39909gdnk,601xxxxxxxx,63660,20205125742
 |    3 |      0 |        |
+--------+------------+----------+-------------+--------+----------+------------------------------------------------------------------------------------------------------------------------------------+------+--------+--------+

Kindly advise

Kannel Version svn-r5299M

Best Regards.
Arif Noor

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