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Signaling gatways

A signaling gateway and signaling technology, applied in the direction of telephone communication, network connection, data exchange network, etc., can solve problems such as unfavorable, limited Internet interconnection, delay of dedicated network path and complexity of conversion nodes

Inactive Publication Date: 2004-05-19
TELEFON AB LM ERICSSON (PUBL)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, since a dedicated switching node is required, the signaling traffic must traverse an additional hop in the transmission path, which results in unnecessary delay and complexity of dedicated network paths and switching nodes
Furthermore, the use of a proprietary IP protocol (such as TALI) is disadvantageous because it limits the internetworking between devices in the network that do not support the protocol

Method used

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Experimental program
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Embodiment Construction

[0025] best practice

[0026] see figure 1 , which shows a junction diagram of a typical Channel Signaling System No. 7 (SS7) network 50. A Service Switching Point (SSP) 56 comprises an SS7 data services switch between the end network and the SS7 network. For example, SSP 56 can provide an interface between a telecommunications switch such as Mobile Switching Center (MSC) 52 and other nodes of the SS7 network 50 . A signaling transfer point (STP) 58 is used for routing SS7 signaling traffic in the network 50 and for routing from one node of the SS7 network 50 to another node, which eliminates the need for each pair in the network The need for direct links between signaling points. Because the traffic can originate from various end networks, a specific STP 58 can perform global header translation, a process that can be used to reveal the destination point code from the incoming communication stream to determine the destination of the traffic. STP 58 may also provide other f...

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PUM

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Abstract

A system for routing Signaling System 7 (SS7) signaling traffic over an Internet Protocol (IP) network includes two or more signaling points, each signaling point capable of sending and receiving SS7 signaling traffic over an SS7 network and a first Signaling Gateway (SG) adapted for receiving SS7 signaling traffic from a first signaling point over the SS7 network. The first SG is configured to convert SS7 signaling traffic into an IP message stream and to route the IP message stream on the IP network to a second SG. The second SG is configured to receive the IP message stream via peer-to-peer IP communications over said IP network with said first SG and to recover the SS7 signaling traffic from the IP message stream. Peer-to-peer communications between the first and second SG is supported by conversion layers within the SG, in the form of an SCTP and M3 UA protocols that allows peer IP signaling between the two SGs.

Description

technical field [0001] The present invention relates generally to the communication of Signaling System 7 (SS7) signaling traffic using the Internet Protocol (IP), and more precisely to the transport of SS7 signaling traffic over an IP-based network. More specifically, the present invention relates to the use of signaling gateways capable of using IP backbone networks as legacy SS7 signal transfer points and an alternative to SS7 backbone networks. Background technique [0002] The Internet Protocol (IP) has become a widely deployed and used, pervasive communication standard. For example, the Internet is now a worldwide network of communications equipment and service providers that use IP as a common signaling protocol for communications. On the Internet, messages are passed from one user to another through a vast infrastructure such as routers, servers, gateways, and communications equipment. Typically, users on either end of the network operate computers equipped with ap...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/56H04L12/66H04M3/00H04M7/00H04M7/06H04Q3/00
CPCH04M7/06H04M7/0009H04Q3/0025H04M7/1255H04M7/126
Inventor D·尼尔曼
Owner TELEFON AB LM ERICSSON (PUBL)