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Softswitch calling method and softswitch calling system

A calling method and softswitch technology, applied in the Internet field, can solve problems such as affecting normal services, link congestion, and changing the pressure of softswitch servers, so as to relieve the pressure of processing a large number of detection requests and ensure normal services.

Active Publication Date: 2019-11-01
CHINA UNITED NETWORK COMM GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing backup of softswitch equipment is mainly that the access gateway sends the request corresponding to each user to the softswitch server in a detection period, and detects whether the softswitch server is normal according to whether the softswitch server responds to these requests within a predetermined time, Since the detection cycle of sending requests is fixed, when there are many users connected to the softswitch server, it will cause link congestion and affect normal business
[0005] Although this method prolongs the period for the access gateway to send detection requests to the softswitch server, it does not fundamentally change the pressure on the softswitch server to process a large number of detection requests.

Method used

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  • Softswitch calling method and softswitch calling system
  • Softswitch calling method and softswitch calling system
  • Softswitch calling method and softswitch calling system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0062] Such as figure 1 shown, and also refer to figure 2 , under the use of a separate persistent connection server and heartbeat mechanism, the softswitch call method includes:

[0063] Step S1): the access gateway 2 registers with the main softswitch device 1 .

[0064] In this step, the access gateway 2 sends a registration information packet to the main softswitch device 1, and the registration information packet includes information such as the device ID of the access gateway 2, the phone number under its jurisdiction, the user name and password required in the authentication process, correspond figure 2 in ①.

[0065] The destination address of the registration information sent by the access gateway 2 is the main softswitch device 1. During this period, the address translation is performed by the network address translation device 4 and then forwarded. The network address translation device 4 sends the registration information of the access gateway 2 to the main so...

Embodiment 2

[0088] In the existing switching mechanism between the access gateway and the main softswitch, the access gateway does not know that the main softswitch fails, and cannot automatically register with the backup softswitch, resulting in an error in the softswitch calling system.

[0089]The technical solution of this embodiment is based on the first embodiment, and the softswitch server and the access gateway are in the state of maintaining a long connection, and realize backup according to the heartbeat mechanism.

[0090] When the persistent connection server does not receive the connection maintenance response packet sent by the main softswitch within the set timer time, it is judged that the main softswitch is out of order. Steps to back up the softswitch device.

[0091] The specific steps of the softswitch call method refer to image 3 and Figure 4 .

[0092] Step S1)-step S4) are the same as in Embodiment 1.

[0093] Step S5): The persistent connection server 3 judge...

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Abstract

The invention belongs to the technical field of the Internet and specifically relates to a soft switch calling method and a soft switch calling system. The soft switch calling method comprises the steps that an access gateway registers with main soft switch equipment; when the access gateway registers with the main soft switch equipment successfully, the access gateway obtains an address of a longconnection server; the access gateway periodically keeps a connection information packet with the long connection server and keeps long connection with the main soft switch equipment through the longconnection server; and the long connection server periodically sends a connection keeping information packet to the main soft switch equipment. According to the soft switch calling method and the soft switch calling system, in order to mitigate the long connection processing pressure of a soft switch server, the long connection server is independently set; the access gateway keeps a heartbeat mechanism with the long connection server; and the long connection server keeps the heartbeat mechanism with the main soft switch equipment, thereby realizing backup.

Description

technical field [0001] The invention belongs to the technical field of the Internet, and in particular relates to a softswitch calling method and a softswitch calling system. Background technique [0002] Soft Switch (Soft Switch) is a device and system that uses program-controlled software to provide call control functions and separate media processing based on packet networks. The basic meaning of softswitch is to separate the call control function from the media gateway (transport layer), realize the basic call control function through software, so as to realize the separation of call transmission and call control, and establish separation for control, switching and software programmable functions plane. [0003] The softswitch architecture provides functions such as connection control, translation and routing, gateway management, call control, bandwidth management, signaling, security, and call detail records; at the same time, it also encapsulates network resources and...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/24H04L29/06H04L29/08H04L29/12
CPCH04L41/0668H04L61/2503H04L63/0876H04L67/14
Inventor 张余
Owner CHINA UNITED NETWORK COMM GRP CO LTD
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