В логе ниже выснить что за ошибка возникла и что ее вызвало:

2014-08-20 00:00:03.391 [info] mc_server: submit_sm received uid:36a88c39-16b5-4e9c-a7e8-0f239aecadb9 pdu:[{sm_default_msg_id,0},{data_coding,0},{replace_if_present_flag,0},{registered_delivery,1},{validity_period,[]},{schedule_delivery_time,[]},{priority_flag,0},{protocol_id,0},{esm_class,3},{destination_addr,"79270357550"},{dest_addr_npi,1},{dest_addr_ton,1},{source_addr,"Test"},{source_addr_npi,1},{source_addr_ton,1},{service_type,"CMT"}] system_id:"client"
2014-08-20 00:00:03.395 [info] mc_server: out_pdu uid:36a88c39-16b5-4e9c-a7e8-0f239aecadb9 operator:undefined company:26 region_id:undefined reply:{Error:72}
#72 dec = 0x00000048 hex