Hi All, I am using SMPP on freeswitch 1.6.6. OS CentOS 7.2. When I am using softphone to send message on any mobile number using SMPP then its working but when I am using *smpp_send gateway|destination|source|message * then in source and destination going null.Below is logs. 2017-01-30 07:36:52.472935 [INFO] mod_smpp_message.c:113 Creating message from event: Event-Name: [MESSAGE] Core-UUID: [2f544720-e6e6-11e6-a29c-e5cd0c776bd1] FreeSWITCH-Hostname: [Server] FreeSWITCH-Switchname: [Server] FreeSWITCH-IPv4: [204.10.94.4] FreeSWITCH-IPv6: [::1] Event-Date-Local: [2017-01-30 07:36:52] Event-Date-GMT: [Mon, 30 Jan 2017 12:36:52 GMT] Event-Date-Timestamp: [1485779812472935] Event-Calling-File: [mod_smpp.c] Event-Calling-Function: [mod_smpp_send_api] Event-Calling-Line-Number: [137] Event-Sequence: [776] destination_addr: [12127773456] source_addr: [19377579349] Content-Length: 12 Test Message 2017-01-30 07:36:52.472935 [INFO] mod_smpp_message.c:114 2017-01-30 07:36:52.492858 [INFO] mod_smpp_utils.c:41 PDU command_length [0000003C] - [60] command_id [00000004] - [SUBMIT_SM] command_status [00000000] - [ESME_ROK] sequence_number [00000006] - [6] service_type [SMS] source_addr_ton [01] - [TON_International] source_addr_npi [01] - [NPI_ISDN_E163_E164] source_addr [(null)] dest_addr_ton [01] - [TON_International] dest_addr_npi [01] - [NPI_ISDN_E163_E164] destination_addr [(null)] esm_class [01] - [1] protocol_id [00] - [0] priority_flag [00] - [0] schedule_delivery_time [] validity_period [] registered_delivery [00] - [0] replace_if_present_flag [00] - [0] data_coding [00] - [0] sm_default_msg_id [00] - [0] sm_length [0C] - [12] short_message [Test Message] Please help. -- Thanks & Regard Uday Site:- www.shareyourknowledge.in Mobile:- +91-9377579349