CN103945338A - Single call service establishing method - Google Patents
Single call service establishing method Download PDFInfo
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- CN103945338A CN103945338A CN201310017149.6A CN201310017149A CN103945338A CN 103945338 A CN103945338 A CN 103945338A CN 201310017149 A CN201310017149 A CN 201310017149A CN 103945338 A CN103945338 A CN 103945338A
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Abstract
The invention discloses a single call service establishing method. The method comprises the steps that a calling terminal initiates a single call establishing request which comprises the content of feasible media negotiation to a called terminal through a cluster server; the called terminal is combined with the content of feasible media negotiation to carry out a local media negotiation decision, and sends a ringing prompt which comprises a media decision result to the calling terminal through the cluster server; the calling terminal and the called terminal carry out resource distribution for the single call service at the same time; after a called user answers the single call, the called terminal sends call response to the calling terminal through the cluster server; and the calling terminal sends call confirmation to the called terminal through the cluster server. Through the application of the embodiment of the invention, the call establishing time can be effectively shortened, and the influence caused by the serialization of a calling terminal resource process and call control signaling is effectively reduced.
Description
Technical field
The application relates to communication technical field, more specifically, relates to a kind of method of setting up individual calling business.
Background technology
Trunked communication system develops for meeting industry command scheduling demand, towards the private wireless communication system of multiple sector application.Trunked communication system has a wide range of applications in public safety, communications and transportation, government utility, petrochemical industry, industry and commerce and army.Digital clustering communication system is compared simulation trunked communication system, have that the availability of frequency spectrum is high, the anti-channel fading ability of signal is strong, security reliability is high, business is abundant and the network management control plurality of advantages such as effective flexibly, the current world, domestic application trunked communication system the most widely, for example, land trunked radio (TETRA) and Integrated Digital Enhanced Network (iDEN).In addition, China also independent research open cluster architecture (GoTa) digital clustering communication system based on code division multiple access (CDMA) technology and the GT800 digital clustering communication system based on global system for mobile communications (GSM) technology.
Individual calling business is one of basic service of providing of trunked communication system, is also one of the most frequently used business.
In the wideband digital trunked communication system based on TD-LTE, existing individual calling business comprises following two kinds of modes:
1, the individual calling based on media pretreatment mode
Individual calling business based on media pretreatment mode is set up, its main feature is to need calling and called terminal room to carry out repeatedly the mutual of control signal in call establishment, to complete independently media negotiation preprocessing process and resource preparation notification procedure, make calling and called terminal can clearly understand this media formats of calling out use and the other side's resource preparation, guarantee individual calling business is set up smoothly.
Concrete process of establishing, referring to accompanying drawing 1, comprises the following steps:
(1) step 101 ~ step 104 is media preprocessing process, and this process is serial process, comprising:
Step 101, initiates individual calling by cluster server to terminal called by calling terminal and sets up request, and calling terminal carries feasible media negotiation content in demand signalling.
Step 102, terminal called is received after demand signalling, parses the media negotiation content in demand signalling and carries out the decision-making of callee side local media, produces callee side media negotiation result and feeds back to calling terminal by cluster server.
Step 103, calling terminal carries out local media Negotiation Decision Making according to the media negotiation result of terminal called feedback, produces the final media result of decision of this individual calling business, and replies to terminal called by cluster server.
Step 104, terminal called carries out media negotiation confirmation and returns to confirmation by cluster server to calling terminal.
(2) step 105 ~ step 106 is prepared notification procedure for resource, and this process is serial process, comprising:
Step 105, after calling terminal individual calling resource is allocated successfully, sends resource by cluster server to terminal called and is ready to complete notice.
Step 106, after terminal called individual calling resource is allocated successfully, and after receiving that caller resource is prepared successfully to notify, sends resource by cluster server to calling terminal and is ready to complete Notification Validation.
(3) step 107 ~ step 109 is replied and confirmation process for individual calling business, and this process is serial process, comprising:
Step 107, terminal called sends ringring prompting by cluster server to calling terminal.Terminal called is local waits for that called subscriber answers individual calling.
Step 108, called subscriber answers individual calling, and terminal called sends call answering by cluster server to calling terminal.
Step 109, calling terminal is by sending confirming call to cluster server to terminal called.
2, the individual calling based on non-media pretreatment mode
Individual calling business based on non-media pretreatment mode is set up, and its main feature is in call establishment, media negotiation to be merged in call set up signaling, has omitted independently media negotiation preliminary treatment signalling interactive process and resource preparation notification procedure.Referring to accompanying drawing 2, specifically comprise the following steps:
Step 201, calling terminal is initiated individual calling by cluster server to terminal called and is set up request, and calling terminal can carry feasible media negotiation content in demand signalling.
Step 202, terminal called sends ringring prompting by cluster server to calling terminal.Terminal called is local waits for that called subscriber answers individual calling.
Step 203, the final decision of media negotiation is carried out in terminal called this locality, produces the media negotiation result of decision of this individual calling business, and carries out the preparation of individual calling resource according to this result.
Step 204, when called subscriber answers after individual calling and called resource prepare successfully, terminal called sends call answering by cluster server to calling terminal.Now, terminal called by the media negotiation result of decision by replying instruction notification calling terminal.
Step 205, calling terminal is by sending confirming call to cluster server to terminal called.
Step 206, calling terminal carries out the preparation of individual calling resource according to the media negotiation result of decision.
For trunked communication system, call set-up time is important performance index, and this time depends primarily on network configuration, the complexity of user terminal and network side Signalling exchange, and the processing mode of network element device to signaling etc.
The subject matter that individual calling mode based on media pretreatment mode exists comprises: owing to having carried out as shown in Figure 1 step 101 to the media negotiation preprocessing process of step 104, and step 105 is to the resource preparation notification procedure of step 106, causes the Signalling exchange complexity between terminal room and terminal and system.In addition, calling and called terminal just can be carried out next step operation after the equal response that must wait for the other side in media negotiation preprocessing process and resource preparation notification procedure, the each signalling interactive process that is calling and called terminal room needs serial process, cause chain of command time delay larger, finally increased the time of call setup.
The subject matter that individual calling mode based on non-media pretreatment mode exists comprises: owing to having omitted independently media negotiation preprocessing process and media negotiation is incorporated in call set up signaling.But after the calling terminal resource set-up procedure of step 206 must wait until that step 204 called subscriber answers the call and answering call replys, calling terminal parses media negotiation result from call answering just can carry out, make calling terminal call control signalling and the serialization of calling terminal resource set-up procedure, cause calling establishment time delay to increase.Meanwhile, above-mentioned serialization process can be after called subscriber answers the call, because calling terminal resource is prepared still, in set-up procedure, to occur that calling and called terminal still cannot realize the situation of normal talking.
Summary of the invention
The embodiment of the present invention proposes a kind of method of setting up individual calling business, can effectively shorten call set-up time, and effectively reduces the impact that calling terminal resource process and call control signalling serialization cause.
The technical scheme of the embodiment of the present invention is as follows:
Set up a method for individual calling business, described method comprises:
Calling terminal initiates to comprise the individual calling foundation request of viable medium negotiate content to terminal called by cluster server;
Terminal called carries out local media Negotiation Decision Making in conjunction with viable medium negotiate content, and sends by cluster server the ringring prompting that comprises the media result of decision to calling terminal;
Calling terminal and terminal called are this individual calling traffic assignments resource simultaneously;
Called subscriber answers after individual calling, and terminal called sends call answering by cluster server to calling terminal;
Calling terminal sends confirming call by cluster server to terminal called.
Described ringring prompting further comprises that the media related content in current message is the instruction of the described media result of decision.
Described calling terminal and terminal called comprise for this individual calling traffic assignments resource simultaneously:
Calling terminal is receiving after the described media result of decision, is this individual calling traffic assignments resource immediately;
Terminal called sends after the described media result of decision, is this individual calling traffic assignments resource immediately, waits for that called subscriber answers individual calling.
From technique scheme, can find out, calling terminal initiates to comprise the individual calling foundation request of viable medium negotiate content to terminal called by cluster server in embodiments of the present invention; Terminal called carries out local media Negotiation Decision Making in conjunction with viable medium negotiate content, and sends by cluster server the ringring prompting that comprises the media result of decision to calling terminal; Now, calling terminal and terminal called are this individual calling traffic assignments resource simultaneously, have so effectively reduced the time delay of call setup.Called subscriber answers after individual calling, and terminal called sends call answering by cluster server to calling terminal; Calling terminal sends confirming call by cluster server to terminal called.Mutual by between above-mentioned calling terminal and terminal called, the prior notice media negotiation result of decision in call establishment, extracts calling terminal and carries out resource preparation.Therefore, can effectively shorten call set-up time, and effectively reduce the impact that calling terminal resource process and call control signalling serialization cause.
Brief description of the drawings
Fig. 1 is based on the pretreated individual calling Establishing process of media schematic diagram;
Fig. 2 is based on the pretreated individual calling Establishing process of non-media schematic diagram;
Fig. 3 is the method flow schematic diagram of setting up individual calling business.
Embodiment
For making the object, technical solutions and advantages of the present invention express clearlyer, below in conjunction with drawings and the specific embodiments, the present invention is further described in more detail.
In embodiments of the present invention, by omitting independently media negotiation preliminary treatment signalling interactive process and resource preparation notification procedure, comprise viable medium negotiate content and comprise the media result of decision at ringring prompting in individual calling request, effectively reduce the signaling interaction times in individual calling business process of establishing, and then shortened calling establishment time delay.
Simultaneously, by the mode of the prior notice media negotiation result of decision in call establishment, calling terminal resource set-up procedure can be carried out in advance, can make like this calling terminal make full use of the time that terminal called resource distributes time and called subscriber to answer the call and complete its resource set-up procedure, effectively reduce the time delay of call setup.By resource set-up procedure and the called subscriber answer concurrent process processing mode of calling terminal resource set-up procedure and terminal called, effectively improve because calling terminal resource prepares must be after terminal called call answering could serialization to set up the problem that still cannot realize normal talking after causing called subscriber to receive calls.
In view of the defect of existing individual calling service implementation method, technical problem to be solved by this invention is to provide the method that quick individual calling business is set up that realizes, the time delay of calling out to reduce individual calling.
Describe technical scheme of the present invention in detail below in conjunction with accompanying drawing 3.
Step 301, calling terminal are initiated individual calling by cluster server to terminal called and are set up request.
Individual calling business is set up and is not used the pre-negotiations process of media, comprises viable medium negotiate content in the individual calling request of setting up.Viable medium negotiate content is the viable medium negotiate content that calling terminal is corresponding.
Step 302, terminal called carry out local media Negotiation Decision Making in conjunction with viable medium negotiate content, and send ringring prompting by cluster server to calling terminal.
Terminal called is in the time receiving the viable medium negotiate content of calling terminal, produced the media negotiation result of decision and feed back to calling terminal in conjunction with viable medium negotiate content by terminal called, this result of decision is the media negotiation final result that this individual calling business is set up.
Terminal called sends ringring prompting by cluster server, comprises the media negotiation result of decision at ringring prompting.Terminal called notice calling terminal carries out local ring.Because terminal called now has produced the media negotiation result of decision, can expand ringring prompting as follows:
(1) utilize the characteristic that can carry multiple media negotiation contents in ringring prompting signaling, in signaling, expand the implication of former media negotiation content, this individual calling service media Negotiation Decision Making result is included in ringring prompting signaling.
(2) in ringring prompting signaling, increase instruction, in the current ringring prompting signaling of notice calling terminal, the media negotiation content of newly-increased expansion is the media negotiation result of decision of this individual calling business process of establishing.
Step 303, calling terminal and terminal called are this individual calling traffic assignments resource simultaneously.
Individual calling business is set up and is not used resource to prepare notification procedure, and calling terminal is received ringring prompting signaling, is receiving after the media negotiation result of decision according to the instruction in signaling, carries out immediately the preparation of individual calling resource; Terminal called, producing after the media negotiation result of decision, carries out the preparation of individual calling resource immediately.
Step 304, called subscriber answer after individual calling, and terminal called sends call answering by cluster server to calling terminal.
Step 305, calling terminal send confirming call by cluster server to terminal called.
The above, be only preferred embodiment of the present invention, is not intended to limit protection scope of the present invention.Within the spirit and principles in the present invention all, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (3)
1. a method of setting up individual calling business, is characterized in that, described method comprises:
Calling terminal initiates to comprise the individual calling foundation request of viable medium negotiate content to terminal called by cluster server;
Terminal called carries out local media Negotiation Decision Making in conjunction with viable medium negotiate content, and sends by cluster server the ringring prompting that comprises the media result of decision to calling terminal;
Calling terminal and terminal called are this individual calling traffic assignments resource simultaneously;
Called subscriber answers after individual calling, and terminal called sends call answering by cluster server to calling terminal;
Calling terminal sends confirming call by cluster server to terminal called.
2. the method for setting up according to claim 1 individual calling business, is characterized in that, described ringring prompting further comprises that the media related content in current message is the instruction of the described media result of decision.
3. the method for setting up according to claim 1 individual calling business, is characterized in that, described calling terminal and terminal called comprise for this individual calling traffic assignments resource simultaneously:
Calling terminal is receiving after the described media result of decision, is this individual calling traffic assignments resource immediately;
Terminal called sends after the described media result of decision, is this individual calling traffic assignments resource immediately, waits for that called subscriber answers individual calling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310017149.6A CN103945338A (en) | 2013-01-17 | 2013-01-17 | Single call service establishing method |
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| CN201310017149.6A CN103945338A (en) | 2013-01-17 | 2013-01-17 | Single call service establishing method |
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| CN103945338A true CN103945338A (en) | 2014-07-23 |
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| CN201310017149.6A Pending CN103945338A (en) | 2013-01-17 | 2013-01-17 | Single call service establishing method |
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| CN106550317A (en) * | 2015-09-21 | 2017-03-29 | 海能达通信股份有限公司 | Individual calling method, device and system under a kind of broadband DMO |
| WO2018050033A1 (en) * | 2016-09-13 | 2018-03-22 | 中兴通讯股份有限公司 | Single call control method, terminal, network-side device and communication system |
| CN110149597A (en) * | 2019-05-20 | 2019-08-20 | 北京交通大学 | MCPTT digital cluster system and TETRA digital cluster system interconnect method |
| CN114071492A (en) * | 2020-07-31 | 2022-02-18 | 中国联合网络通信集团有限公司 | Voice call quality optimization method, terminal and base station |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106550317A (en) * | 2015-09-21 | 2017-03-29 | 海能达通信股份有限公司 | Individual calling method, device and system under a kind of broadband DMO |
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| CN110149597A (en) * | 2019-05-20 | 2019-08-20 | 北京交通大学 | MCPTT digital cluster system and TETRA digital cluster system interconnect method |
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| CN114071492A (en) * | 2020-07-31 | 2022-02-18 | 中国联合网络通信集团有限公司 | Voice call quality optimization method, terminal and base station |
| CN114071492B (en) * | 2020-07-31 | 2023-07-25 | 中国联合网络通信集团有限公司 | Voice call quality optimization method, terminal and base station |
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Application publication date: 20140723 |
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