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System and method for realizing No.7 signaling long-distance transmission

A No. 7 signaling and signaling technology, applied in the field of No. 7 signaling, can solve the problem of signaling gateway occupying signaling point resources and other problems, and achieve the effect of reducing operating costs

Inactive Publication Date: 2010-01-06
HUAWEI TECH CO LTD
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Problems solved by technology

The sigtran working group of the IETF proposed a set of methods and protocol stacks for transmitting SS7 on the IP network. Using the work results of sigtran, the signaling long-distance transmission method is to realize signaling between the TDM domain and the IP domain by adding a signaling gateway. The conversion between the circuit domain and the packet domain, but the signaling gateway needs to occupy additional signaling point resources, and changes the structure of the existing signaling network at the network layer

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  • System and method for realizing No.7 signaling long-distance transmission
  • System and method for realizing No.7 signaling long-distance transmission
  • System and method for realizing No.7 signaling long-distance transmission

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Embodiment Construction

[0036] The present invention is a system and method for realizing No. 7 long-distance transmission. In order to make the purpose, technical solution and advantages of the present invention clearer, the following describes the present invention in detail with reference to the accompanying drawings and examples.

[0037] see image 3 , the system provided by the present invention includes:

[0038] Source signaling point (SP), source signaling transfer point (STP), source MTPL2 relay device, IP network and destination MTPL2 relay device, destination STP and destination SP.

[0039] Wherein, the source SP and the destination SP are respectively connected to their respective STPs;

[0040] The source STP establishes a connection with the IP network by accessing the source MTPL2 relay device;

[0041] The destination STP establishes a connection with the IP network by accessing the destination MTPL2 relay device;

[0042] The MTPL2 relay device realizes the conversion of signali...

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Abstract

The system includes source SP, source STP, source MTPL2 repeating instrument, IP network, destination MTPL2 repeating instrument, destination STP, and destination SP. MTPL2 repeating instrument is in use for implementing conversion of signaling between TDM field and IP field to make signaling realize transparent forwarding at MTPL2 layer. IP network is in use for transmitting signaling through long-distance. The invention also discloses method for realizes No. 7 signaling transmission through long-distance. Using technique of MTPL2 repeating instrument, and IP network realizes No. 7 signaling transmission through long-distance. Advantages are: lowering operation cost, not using additional occupied resources of signaling point, not need of changing structure of signaling network.

Description

technical field [0001] The present invention relates to the field of No. 7 signaling, in particular to a system and method for realizing No. 7 long-distance transmission. Background technique [0002] Signaling System #7 (SS7, Signaling System #7) is a set of telecommunication protocols defined by ITU-T. It uses public channel signaling technology to provide an independent packet-switching network for signaling services. It is mainly used to provide telephone companies with Interoffice signaling. In the No. 7 signaling network, each No. 7 signaling occupies a two-way digital channel. [0003] figure 1 It is a link diagram of SS7 based on Time Division Multiplexing (TDM, Time Division Multiplexing) transmission and the corresponding protocol stack diagram. In the figure, four signaling transfer points (STP, SignalingTransfer Point) are set between Take the signaling link as an example. According to the position of the STP in the signaling network, the STP can be divided i...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04Q3/00H04L12/56H04L12/46
Inventor 刘波
Owner HUAWEI TECH CO LTD
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