公开(公告)号：CA2025950C

公开(公告)日：1998-05-05

申请号：CA2025950

申请日：1990-09-21

Applicant: KOREA ELECTRONICS TELECOMM ,  KOREA TELECOMMUNICATION

Inventor： LEE YOUNG HUI ,  LEE KUN WOO ,  CHAE JONG EOK ,  LEE HYUN TAE ,  LEE SEOK GI ,  BAEK YOUNG SIK

IPC: H04M3/22 ,  H04M7/06 ,  H04Q3/00 ,  H04L5/14 ,  H04Q1/28

Abstract: The present invention provides a duplex structure signal transfer point system for common channel signalling system No. 7, which includes a serial duplexed interconnection device; a duplexed network interface connected to the serial duplexed interconnection device, for performing an interconnection between signal message processing submodules; a parallel duplexed interconnection device connected to the duplexed network interface, for performing a parallel duplexed interconnection between unit level 2s and a duplexed unit level 3, wherein the duplexed unit level 3 is connected to the parallel duplexed interconnection device, for performing a protocol level 3 of a message transfer protocol in the common channel signalling system No. 7; and wherein the unit level 2s are connected to the parallel duplexed interconnection device, for performing a protocol level 2 of the message transfer protocol in the common channel signalling system No. 7.