CN103929436B - A kind of method of media negotiation repeatedly in limitation IMS network - Google Patents
A kind of method of media negotiation repeatedly in limitation IMS network Download PDFInfo
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Abstract
The invention provides a kind of method for limiting media negotiation repeatedly in IMS network, belong to IP multimedia subsystem (IP Multimedia Subsystem, IMS) core net basic service technical field.This method includes：Terminal device monitors the network environment between the user conversed in IMS network, and when network environment changes, terminal device initiates media negotiation request again；Judge whether to meet the condition using media negotiation strategy is limited repeatedly, if eligible, according to media negotiation strategy repeatedly is limited, the terminal device sends media negotiation response or terminates the media negotiation request transaction that other side initiates；If ineligible, processed according to standard agreement；The condition is when terminal device is after it have sent media negotiation request, before receiving the media negotiation request that other side sends, and also when not receiving media negotiation response that other side sends.
Description
Technical field
The invention belongs to IP multimedia subsystem (IP Multimedia Subsystem, IMS) core net basic service skill
Art field, and in particular to a kind of method of media negotiation repeatedly in limitation IMS network, for Real-time Networks such as speech, video callings
Network environment and the secondary media coding/decoding negotiation that carries out.
Background technology
Next generation network (Next Generation Network, NGN) is that a foundation is new in IP technical foundation
Public telecommunication network.It is a neural hinge for important component and the information communication of the information infrastructure of country, is held
Carry on a shoulder pole public telecommunication service interior on a large scale.
IP multimedia subsystem (IP Multimedia Subsystem, IMS) is the core architecture of NGN key-courses, is
3 g mobile communication partnership (3rd Generation Partnership Project, 3GPP) is in the versions of Release 5
The system of the support IP multimedia service proposed in standard.The characteristics of IMS is to use session initiation protocol (Session
Initiation Protocol, SIP) Call- Control1 mechanism creates, manages and various types of multimedia services that terminate, real
Show control and the separation for carrying, support open application programming interface (Application Programming
Interface, API), based on IP packet networks, support all kinds of access ways.
SIP (Session Initiation Protocol) be needed for ensuring this evolution to realize NGN (under
Generation network) a member important in serial protocols.SIP (Session Initiation Protocol) is an application layer
Signaling control protocol.Session for creating, changing and discharging one or more participants.SIP holds consultation to session, so as to
All participants can reach an agreement and modify with regard to interactive function.It even can add, delete or shift user.
SDP (Session Description Protocol) is the coding letter of the description media file of server end generation
The file of the information such as the link of breath and place server, client sets the parameter of playout software by it.SDP is one
The agreement for conversation description is planted, it is not a kind of host-host protocol, is only intended to transmit message between differing transmission protocols
Notification protocol, its main purpose be solve Multimedia session notify, invite and other media session initial work.
SDP packets are carried in Session Initiation Protocol and are interacted with offer/answer (request/response) model (RFC 3264), are realized
The negotiation of media, but offer/answer models are not defined before terminal arrives the response for receiving other side after sending the request
How to be processed after the request for receiving other side's transmission, this can bring two problems of aspect, one, each product place in this case
Reason mode differ cause it is incompatible between each product, two, increased media negotiation number of times, cause the waste of bandwidth, extend matchmaker
Body negotiation time, processing mode of the existing agreement (RFC 3264) without explanation in this case simply says needs by making
Ensure correctness in this case with the application of this agreement.And the Session Initiation Protocol that telecommunications network is used in this case can
There is media negotiation repeatedly, cause the waste of bandwidth, extend the time of media negotiation, increase the time that media are connected.
The content of the invention
It is an object of the invention to solve problem present in above-mentioned prior art, there is provided anti-in one kind limitation IMS network
The method of multiple media negotiation, realizes not having the disposition of specification in a kind of standard agreement, effectively limits media negotiation repeatedly, more
Fast completion media negotiation, reduces media turn-on time.
The present invention is achieved by the following technical solutions：
One kind limits media negotiation repeatedly for IP multimedia subsystem (IP Multimedia Subsystem, IMS) is middle
Method, methods described includes：
Terminal device monitors the network environment between the user conversed in IMS network, when network environment changes
When, terminal device initiates media negotiation request again；
Judge whether to meet the condition using media negotiation strategy is limited repeatedly, it is anti-according to limitation if eligible
Multiple media negotiation strategy, the terminal device sends media negotiation response or terminates the media negotiation request transaction that other side initiates；Such as
It is really ineligible, then processed according to standard agreement；The condition have sent after media negotiation request for terminal device,
Before receiving the media negotiation response that other side sends, the media negotiation request that other side sends is received.
Media negotiation strategy is specific as follows repeatedly for the limitation：
The mark for being capable of one user of unique mark is compared with character string mode, if local mark is big, is stood
Media negotiation response is sent, and terminates the local media negotiation request transaction initiated；Conversely, then waiting the media negotiation of other side
Response, while terminating the media negotiation request transaction of other side's initiation；
The mark for being capable of one user of unique mark include From header fields and To header field local tag and long-range tag,
The P-Asserted-Identity header fields of both sides.
The media negotiation request transaction is the definition affairs of SIP standard agreements；The media negotiation request refers to SDP associations
The offer of view, can carry in the REINVITE of Session Initiation Protocol or UPDATE requests；In above-mentioned limitation media negotiation repeatedly
In method, the media negotiation response refers to the answer of SDP agreements, can be responded in the 200OK of Session Initiation Protocol or 1xx reliably rings
Middle should carry.
It is described according to standard agreement carry out treatment refer to asked according to SIP, SDP and RFC 3264/answer model carries out phase
Pass is processed.
The terminal device refers to the equipment for possessing and accessing IMS network ability.
The terminal device monitors the listening mode bag that the network environment between the user conversed in IMS network is used
Include wide area network listening mode and LAN listening mode.
The call includes：Voice, video, share desktop and the other information sent with multimedia mode.
The user includes people and intelligence system；The intelligence system refers to possess communication capacity, can be according to correlative factor
Change, the system for making different decision-makings, including：Intelligent light system, intelligent appliance, intelligent access control system and intelligent monitoring
System.
The network environment includes：Average retardation, shake, packet loss and access frequency.
It refers to change of network environment to another media code encoding/decoding mode or medium type that the network environment changes
More applicable network environment.
Compared with prior art, the beneficial effects of the invention are as follows：Media negotiation repeatedly can be limited using the present invention, can be with
Media negotiation is more quickly completed, media is reduced and is connected or switching time.
Brief description of the drawings
Fig. 1 be the present invention it is a kind of limitation IMS network in repeatedly the method for media negotiation the step of block diagram；
Fig. 2 for the present invention in limit media negotiation strategy application scenarios principle schematic repeatedly.
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings：
The inventive method devises the both sides conversed in IMS network and carries out the strategy of media negotiation.Fig. 1 is the present invention
In " a kind of method for limiting media negotiation repeatedly in IMS network " flow chart, as shown in figure 1, " one kind limitation in the present invention
The flow chart of the method for media negotiation repeatedly in IMS network " is comprised the following steps：
Step 101：Terminal device monitor IMS network in just between calling user network environment, when network environment occur
During change, terminal device initiates media negotiation request again；
Specifically, terminal device includes but is not limited to following equipment in the present invention：Mobile phone, landline telephone, TV, meter
Calculation machine, panel computer etc. all possess access IMS network ability equipment.
Call in the present invention includes voice, video, share desktop and other letters that can be sent with multimedia mode
Breath, user includes people and possessing certain communication capacity, can according to the change of correlative factor, the system for making different decision-makings,
Such as：Intelligent light system, intelligent appliance, intelligent access control system, intelligent monitor system etc..
Network environment changes and refers to that average retardation, shake, packet loss and the access frequency of network become in the present invention
Change, can improve or be deteriorated, be in a word change be more suitable for another media code encoding/decoding mode or medium type, that is, change
Afterwards, another media code encoding/decoding mode is more applicable.
Step 102：When terminal device receives the media negotiation request that other side sends after it have sent media negotiation request
And also when not receiving media negotiation response that other side sends, using limitation media negotiation strategy repeatedly.
Specifically, when terminal device refers to the offer, Ke Yi of SDP agreements have sent media negotiation request in the present invention
Carried in reINVITE or the UPDATE request of SIP Extended Protocols.
Media negotiation response refers to the answer of SDP agreements in the present invention, can be responded in the 200OK of Session Initiation Protocol or 1xx can
By being carried in response.
Step 103：According to media negotiation strategy repeatedly is limited, the media association that media negotiation response terminates other side's initiation is sent
Business's request transaction.
Specifically, media negotiation strategy repeatedly is limited in the present invention can be divided into three below step：
Step 21, judges whether to meet the condition using media negotiation strategy is limited repeatedly, i.e. terminal device have sent matchmaker
Body is consulted after request, before receiving the media negotiation response that other side sends, receives the media negotiation request that other side sends.
Step 22, if meeting the condition of step 21, being capable of unique mark one in comparing this session with character string mode
The local tag and long-range tag of the mark of individual user, including but not limited to From header fields and To header field, the P-Asserted- of both sides
Identity header fields.If local mark is big, and (any one in the 2 kinds of marks for being above given is bigger than other side, compares word
Accord with the size of string), then media negotiation response is sent immediately, and terminates the local media negotiation request transaction initiated；Conversely, waiting
The media negotiation response of other side, and terminate the media negotiation request transaction of other side's initiation.
Step 23, if not meeting the condition of step 21, is processed according to standard agreement.
Fig. 2 in the present invention " limitation repeatedly media negotiation strategy " application scenarios principle illustrate to be intended to, as shown in Fig. 2 figure
Middle various functions entity is the standard device in IMS network.Wherein：
UE_A, UE_B are two terminal devices conversed, and are changed when UE_A, UE_B detect network environment
When, then when the media negotiation for not receiving other side is asked, media negotiation request can be all sent, the sound of the request to be received such as
Should.
If have received the media negotiation request of other side's transmission before the response of above-mentioned request is received, application limitation is anti-
Multiple media negotiation strategy, local tag and long-range tag in relatively more current SIP sessions, if local tag is bigger than long-range tag,
The media negotiation response to the request of other side's media negotiation is sent immediately, and terminates the local media negotiation request transaction initiated；Instead
It, waits the media negotiation response of other side to be received, and terminates the media negotiation request transaction of other side's hair.(" 200 of in Fig. 2
Reinvite/update " is 200 (representing successfully) responses to reinvite/update requests)
If being not belonging to case above, processed according to standard agreement.
The invention discloses one kind for limitation in IP multimedia subsystem (IP Multimedia Subsystem, IMS)
The method of media negotiation repeatedly, the method has formulated the both sides conversed in IMS network and has carried out the strategy of media negotiation.It is described
Method includes：Terminal device monitor IMS network in just between calling user network environment, when network environment changes,
Terminal device initiates media negotiation request again；When terminal device is after it have sent media negotiation request, receives other side and send
Media negotiation request before, and also when not receiving media negotiation response, using limitation media negotiation strategy repeatedly；According to
Media negotiation strategy repeatedly is limited, media negotiation response is sent or is terminated the media negotiation request transaction that other side initiates.So as to fast
Speed terminates media consultation process, effectively limits media negotiation repeatedly.The invention discloses a kind of side for limiting repeatedly media negotiation
Method.Technical solution of the present invention can effectively limit media negotiation repeatedly, save the network bandwidth, realize simple, practical.
Above-mentioned technical proposal is one embodiment of the present invention, for those skilled in the art, at this
On the basis of disclosure of the invention application process and principle, it is easy to make various types of improvement or deformation, this is not limited solely to
The method described by above-mentioned specific embodiment is invented, therefore previously described mode is preferred, and simultaneously without limitation
The meaning of property.
Claims (10)
1. a kind of method for limiting media negotiation repeatedly in IMS network, it is characterised in that：Methods described includes：
Terminal device monitors the network environment between the user conversed in IMS network, when network environment changes, eventually
End equipment initiates media negotiation request again；
Judge whether to meet the condition using limitation media negotiation strategy repeatedly, if eligible, according to limitation matchmaker repeatedly
Body consulting tactical, the terminal device sends media negotiation response or terminates the media negotiation request transaction that other side initiates；If no
It is eligible, then processed according to standard agreement；The condition have sent after media negotiation request for terminal device, receive
Before the media negotiation response that other side sends, the media negotiation request that other side sends is received.
2. in limitation IMS network according to claim 1 media negotiation repeatedly method, it is characterised in that：The limitation
Media negotiation strategy is specific as follows repeatedly：
The mark for being capable of one user of unique mark is compared with character string mode, if local mark is big, is sent out immediately
Media negotiation response is sent, and terminates the local media negotiation request transaction initiated；Conversely, then waiting the media negotiation of other side to answer
Answer, while terminating the media negotiation request transaction of other side's initiation；
The mark for being capable of one user of unique mark includes the local tag and long-range tag, both sides of From header fields and To header field
P-Asserted-Identity header fields.
3. in limitation IMS network according to claim 2 media negotiation repeatedly method, it is characterised in that：The media
Consult the affairs that request transaction is the definition of SIP standard agreements；The media negotiation request refers to the offer of SDP agreements；The matchmaker
Body consults the answer that response refers to SDP agreements.
4. in limitation IMS network according to claim 3 media negotiation repeatedly method, it is characterised in that：The basis
Standard agreement carry out treatment refer to asked according to SIP, SDP and RFC 3264/answer model carries out relevant treatment.
5. in limitation IMS network according to claim 4 media negotiation repeatedly method, it is characterised in that：The terminal
Equipment refers to the equipment for possessing and accessing IMS network ability.
6. in limitation IMS network according to claim 5 media negotiation repeatedly method, it is characterised in that：The terminal
The listening mode that equipment monitors the network environment use between the user conversed in IMS network includes wide area network listening mode
With LAN listening mode.
7. in limitation IMS network according to claim 6 media negotiation repeatedly method, it is characterised in that：The call
Including：Voice, video, share desktop and the other information sent with multimedia mode.
8. in limitation IMS network according to claim 7 media negotiation repeatedly method, it is characterised in that：The user
Including people and intelligence system；The intelligence system refers to possess communication capacity, can make different according to the change of correlative factor
The system of decision-making, including：Intelligent light system, intelligent appliance, intelligent access control system and intelligent monitor system.
9. in limitation IMS network according to claim 8 media negotiation repeatedly method, it is characterised in that：The network
Environment includes：Average retardation, shake, packet loss and access frequency.
10. in limitation IMS network according to claim 9 media negotiation repeatedly method, it is characterised in that：The network
It refers to change of network environment to another media code encoding/decoding mode or the more applicable network environment of medium type that environment changes.
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| CN106161357B (en) * | 2015-04-02 | 2019-12-13 | 中兴通讯股份有限公司 | method, device and application server for realizing lawful interception in IMS network |
| CN110324874B (en) * | 2018-03-29 | 2020-10-23 | 华为技术有限公司 | Method, device and storage medium for processing media session |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101128023A (en) * | 2006-08-17 | 2008-02-20 | 华为技术有限公司 | A method for establishing switching carrier |
| WO2008138261A1 (en) * | 2007-05-11 | 2008-11-20 | Huawei Technologies Co., Ltd. | Ip multimedia subsystem, coding and decoding conversion control method and device thereof |
| CN101340428A (en) * | 2007-07-05 | 2009-01-07 | 华为技术有限公司 | Method and system for providing media stream in process of media server switching |
| CN101453402A (en) * | 2007-12-06 | 2009-06-10 | 华为技术有限公司 | Method, system and equipment for media flow control |
| CN101552952A (en) * | 2009-05-06 | 2009-10-07 | 中兴通讯股份有限公司 | A broadcast call implementation method and system |
| CN103138874A (en) * | 2011-11-23 | 2013-06-05 | 中国移动通信集团公司 | Dynamic negotiation method and device for coding and decoding |
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2014
- 2014-05-06 CN CN201410187555.1A patent/CN103929436B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101128023A (en) * | 2006-08-17 | 2008-02-20 | 华为技术有限公司 | A method for establishing switching carrier |
| WO2008138261A1 (en) * | 2007-05-11 | 2008-11-20 | Huawei Technologies Co., Ltd. | Ip multimedia subsystem, coding and decoding conversion control method and device thereof |
| CN101340428A (en) * | 2007-07-05 | 2009-01-07 | 华为技术有限公司 | Method and system for providing media stream in process of media server switching |
| CN101453402A (en) * | 2007-12-06 | 2009-06-10 | 华为技术有限公司 | Method, system and equipment for media flow control |
| CN101552952A (en) * | 2009-05-06 | 2009-10-07 | 中兴通讯股份有限公司 | A broadcast call implementation method and system |
| CN103138874A (en) * | 2011-11-23 | 2013-06-05 | 中国移动通信集团公司 | Dynamic negotiation method and device for coding and decoding |
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