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Call enhancement control method based on sip

A control method and call enhancement technology, applied in electrical components, transmission systems, etc., can solve the problem that the SIP protocol cannot adapt to the exchange of integrated services of the short-wave communication network.

Active Publication Date: 2018-08-10
中国人民解放军国防信息学院
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In view of the above problems, the purpose of the present invention is to provide a call enhancement control method based on SIP, aiming to solve the technical problem that the existing SIP protocol cannot adapt to the exchange of integrated services in the shortwave communication network

Method used

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  • Call enhancement control method based on sip
  • Call enhancement control method based on sip
  • Call enhancement control method based on sip

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Embodiment Construction

[0015] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0016] In order to illustrate the technical solutions of the present invention, specific examples are used below to illustrate.

[0017] figure 1 The flow of the SIP-based call enhancement control method provided by the embodiment of the present invention is shown, and only the parts related to the embodiment of the present invention are shown for convenience of description.

[0018] The SIP-based call enhancement control method provided in this embodiment includes the following steps:

[0019] Step S1, overtime forwarding control step: the on-site user uses the default number to call the command...

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Abstract

The invention is applicable to the technical field of short-wave communication, and provides a SIP-based call enhancement control method, which includes a timeout forwarding control step, a forced demolition and forced insertion control step, and a private network user call step. The command user has registered multiple phone numbers. If the command user calls the phone number and the command user does not answer after timeout, it will forward to the next registered number until all the phone numbers are tried; when the on-site user establishes a call connection with the command user, there will be Another command user needs to call the on-site user, and the forced removal and insertion operations are performed according to the priorities of the two command users to meet the call needs of high-priority command users and on-site users; in addition, private network user calls can also be realized. The technical scheme of the invention can flexibly perform call control according to the user's requirements, and satisfy various service demands of the commanding user and the on-site user.

Description

technical field [0001] The invention belongs to the technical field of shortwave communication, in particular to a SIP-based call enhancement control method. Background technique [0002] The SIP protocol (Session Initiation Protocol, Session Initiation Protocol) is a multimedia communication protocol formulated by the IETF (Internet Engineering Task Force, Internet Engineering Task Force). It is a text-based application-layer control protocol for creating, modifying, and releasing sessions with one or more participants. [0003] The SIP protocol is generally only applicable to the simple two-party call establishment process. In the actual call process between the two parties, there will be some special situations, such as one user not answering after timeout, multiple users calling a user, calling a private network user, etc., the SIP protocol is Out to the relevant call control, can not adapt to the exchange of integrated services in the short-wave communication network. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/06
CPCH04L65/1066H04L65/1104
Inventor 余奇李晓孙月光戴昌裕
Owner 中国人民解放军国防信息学院
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