专利检索 ap:("Telefonaktiebolaget LM Ericsson (publ)") AND inv:"CARVALHO, Roberto Pires De" 第 1 页

1.

发明公开
METHODS AND SYSTEMS FOR INTERNAL FRAUD CONTROL BASED ON VOLUME AND TIME CONSTRAINTS OF REJECTED CALL RECORDS 审中-实审

公开(公告)号：EP4413702A1

公开(公告)日：2024-08-14

申请号：EP21960042.6

申请日：2021-10-04

申请人： Telefonaktiebolaget LM Ericsson (publ)

发明人： FREITAS, Celso Bernardo Da Nobrega De , ALMEIDA, Maíra , CARVALHO, Roberto Pires De , DOBROWOLSKI, Kleber de Mattos

IPC分类号： H04L12/14 , H04M15/00 , H04W4/24 , H04W12/12

CPC分类号： H04W4/24 , H04L12/14 , H04W12/12 , H04M15/00 , H04M15/47 , H04M15/41 , H04M15/88 , H04M15/881 , H04M15/65