Hello, I'm using 1.5.0, I have reported a problem to my gateway to check from their side why I'm not receiving the DLR Report, I surprised when replied that they are receiving the registered_delivery = 0 although it is showing from the SMSC transmitter log.
2021-05-29 15:09:49 [10316] [6] DEBUG: SMPP PDU 0x7ff53800e060 dump: 2021-05-29 15:09:49 [10316] [6] DEBUG: type_name: submit_sm 2021-05-29 15:09:49 [10316] [6] DEBUG: command_id: 4 = 0x00000004 2021-05-29 15:09:49 [10316] [6] DEBUG: command_status: 0 = 0x00000000 2021-05-29 15:09:49 [10316] [6] DEBUG: sequence_number: 58 = 0x0000003a 2021-05-29 15:09:49 [10316] [6] DEBUG: service_type: NULL 2021-05-29 15:09:49 [10316] [6] DEBUG: source_addr_ton: 5 = 0x00000005 2021-05-29 15:09:49 [10316] [6] DEBUG: source_addr_npi: 0 = 0x00000000 2021-05-29 15:09:49 [10316] [6] DEBUG: source_addr: "SenderID" 2021-05-29 15:09:49 [10316] [6] DEBUG: dest_addr_ton: 0 = 0x00000000 2021-05-29 15:09:49 [10316] [6] DEBUG: dest_addr_npi: 0 = 0x00000000 2021-05-29 15:09:49 [10316] [6] DEBUG: destination_addr: "123456789" 2021-05-29 15:09:49 [10316] [6] DEBUG: esm_class: 3 = 0x00000003 2021-05-29 15:09:49 [10316] [6] DEBUG: protocol_id: 0 = 0x00000000 2021-05-29 15:09:49 [10316] [6] DEBUG: priority_flag: 3 = 0x00000003 2021-05-29 15:09:49 [10316] [6] DEBUG: schedule_delivery_time: NULL 2021-05-29 15:09:49 [10316] [6] DEBUG: validity_period: NULL 2021-05-29 15:09:49 [10316] [6] DEBUG: *registered_delivery: 1 = 0x00000001* 2021-05-29 15:09:49 [10316] [6] DEBUG: replace_if_present_flag: 0 = 0x00000000 2021-05-29 15:09:49 [10316] [6] DEBUG: data_coding: 8 = 0x00000008 2021-05-29 15:09:49 [10316] [6] DEBUG: sm_default_msg_id: 0 = 0x00000000 2021-05-29 15:09:49 [10316] [6] DEBUG: sm_length: 38 = 0x00000026 2021-05-29 15:09:49 [10316] [6] DEBUG: short_message: 2021-05-29 15:09:49 [10316] [6] DEBUG: Octet string at 0x7ff538012350: 2021-05-29 15:09:49 [10316] [6] DEBUG: len: 38 2021-05-29 15:09:49 [10316] [6] DEBUG: size: 39 2021-05-29 15:09:49 [10316] [6] DEBUG: immutable: 0 2021-05-29 15:09:49 [10316] [6] DEBUG: data: 00 74 00 65 00 73 00 74 00 20 00 6d 00 65 00 73 .t.e.s.t. .m.e.s 2021-05-29 15:09:49 [10316] [6] DEBUG: data: 00 73 00 61 00 67 00 65 00 0d 00 0a 06 2a 06 2c .s.a.g.e.....*., 2021-05-29 15:09:49 [10316] [6] DEBUG: data: 06 31 06 28 06 29 .1.(.) 2021-05-29 15:09:49 [10316] [6] DEBUG: Octet string dump ends. 2021-05-29 15:09:49 [10316] [6] DEBUG: SMPP PDU dump ends. 2021-05-29 15:09:49 [10316] [6] DEBUG: SMPP[MySMSC]: throughput (1.00,50.00) 2021-05-29 15:09:49 [10316] [6] DEBUG: SMPP[MySMSC]: throughput (1.00,50.00) 2021-05-29 15:09:49 [10316] [6] DEBUG: SMPP[MySMSC]: Got PDU: 2021-05-29 15:09:49 [10316] [6] DEBUG: SMPP PDU 0x7ff53800e060 dump: