Management system

A management device and communication system technology, applied in the direction of interconnection devices, telephone communications, automatic switching offices, etc., can solve the problem of not being able to distinguish the voice or data of the connection destination, not being able to identify the voice terminal or data communication terminal of the communication object, and retaining the PSTN network And other issues

Inactive Publication Date: 2010-12-01
HITACHI LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, when the subscriber accommodating device is directly connected to the IP network without going through the PSTN, the subscriber accommodating device will not be able to identify whether the communication partner is a voice terminal or a data communication terminal based on the incoming call number.
Therefore, there is a problem that it is impossible to determine whether the connection destination is voice or data based on the incoming call number assigned by the switchboard in the conventional PSTN network.
In addition, when the subscriber network is also formed as an IP network, there is a problem that each user using an analog line or an ISDN line cannot use voice calls or data communications.
[0013] In addition, when the subscriber switch in the PSTN network is connected to the media gateway (MG), and then the data communication between the user terminal and the Internet is performed through the IP network, it is necessary to use the interface UNI connected to the Internet to return the data from the IP network to the PSTN network, so there is a problem that the PSTN network must be preserved

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0095] Below, refer to Figure 13 to Figure 16 The communication sequence shown and Figure 21 ~ Figure 35 The flow chart shown is for explaining the respective processing operations of the MG (30) and the SIP server (50) in the first embodiment.

[0096] The processing operations of the MG (30-1) and the SIP server (50) until the registration / deletion of subscriber information in the SIP server (50) are completed will be described.

[0097] Maintenance personnel use image 3 The shown control terminal ( 310 ) executes registration of new registrant information and various setting processes by inputting commands and the like. In addition to the subscriber information, an instruction to open the line in a state where the line can be connected, an instruction to disconnect the line temporarily due to the user's reasons, etc., are also included in the work of the maintenance personnel.

[0098] First, after issuing a provisioning support command (F100) to provision the line, t...

Embodiment 2

[0138] Next, Example 2 will be described. Figure 17 It shows the communication sequence and protocol stack when PC2 (11-2) performs the data communication indicated by circle 1 with the WEB server (110-1) in ISP A (80-1).

[0139] Figure 18 It shows the communication sequence when the data communication indicated by the circle 1 between the PC2 (11-2) and the WEB server (110-1) in the ISP A (80-1) is cut off.

[0140] Below, refer to Figure 17 ~ Figure 18 The communication sequence shown and Figure 21 ~ Figure 35 The flow chart shown illustrates that in Embodiment 2, the MG (30 -1, 30-2) and the respective processing actions of the SIP server (50).

[0141] First, the processing before the data communication indicated by the circle 1 will be described. about Figure 18 Shown SQ104~SQ106, Figure 25 The shown SETUP reception processing (F3912), Figure 26 The processing of the shown call source processing (F3913) is the same as that of the first embodiment, so the d...

Embodiment 3

[0162] Next, Example 3 will be described. Figure 19 It shows the communication sequence and protocol stack when the PC2 (13-2) performs the data communication indicated by the circle 2 with the WEB server (110-2) in the ISP B (80-2).

[0163] Figure 20 It shows the communication sequence when the PC2 (11-2) and the WEB server (110-2) in the ISP B (80-2) cut off the data communication indicated by the circle 2.

[0164] Below, refer to Figure 19 ~ Figure 20 The communication sequence shown and Figure 21 ~ Figure 35 The flow chart shown in the figure explains the respective processing operations of the MG (30) and the SIP server (50) in Embodiment 3 of the present invention.

[0165] First, the process when PC2 (13-2) starts data communication indicated by circle 2 with the WEB server (110-2) in ISP B (80-2) will be described.

[0166] about Figure 19 Shown SQ104~SQ106, Figure 25 The shown SETUP reception processing (F3912), Figure 26 The processing of the shown ca...

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Abstract

The invention provides a management system, which can solve the problem, wherein when being directly connected to an IP network from a subscriber accommodation device, without interposing a PSTN (public switched telephone network), at a connected destination, voices or data cannot be discriminated from a called number distributed by an exchange inside a conventional PSTN network and in the case where the IP network includes a subscriber network, each user utilizing an analog line and an ISDN (integrated services digital network) line cannot utilize a voice call or data communication. A table is used for registering and managing subscriber information such as information indicating whether the ISDN line or an analog line or a TS (time slot) of which HW (high way) in a time dividing switch (TSW) of a media gateway (management apparatus) is to be utilized for connection or information, indicating a service that a subscriber contracts.

Description

technical field [0001] The present invention relates to a media gateway that provides means for connecting users using voice calls and data communications to an IP network using a conventional ISDN (Integrated Services Digital Network: Integrated Services Digital Network) line. Background technique [0002] In recent years, the conversion to the next generation network ((NGN) Next Generation Network) has progressed, and the all-IP (Internet Protocol: Internet Protocol) of the network has also been developed. In the trend toward all-IP (Internet Protocol), the Public Switched Telephone Network (PSTN: Public Switched Telephone Network), which accommodates analog lines and ISDN (Integrated Services Digital Network) lines, is no longer out of the trend. In addition, in accordance with the above-mentioned trend, in the Public Switched Telephone Network (PSTN: Public Switched Telephone Network), conversion of a trunk network including a trunk switch to an IP (Internet Protocol) ne...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06H04M7/00H04L12/66H04L12/70H04M3/00
CPCH04L65/103H04L29/06244H04L65/1006H04L65/1046H04L29/06278H04M7/122H04L29/06197H04L65/1104
Inventor 高桥正宫田裕章西井浩士
Owner HITACHI LTD
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