CN1983982A - Method and system for down-link monitoring data - Google Patents
Method and system for down-link monitoring data Download PDFInfo
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Abstract
This invention discloses a kind of monitoring data issuing method and system, including: management functions entities(ADMF),monitoring data processing entities,consigned call control functions entities(P-CSCF) and service call session control function entities(S-CSCF). This method includes: set the monitoring data processing entities in the IP Multimedia Subsystem; the monitoring data processing entities send the data carried in the monitoring instruction from the ADMF to the monitoring control net element in the IP Multimedia Subsystem. In this invention, the ADMF in the administer side do not have to do the complex structure maintenance, no matter how the S-CSCF And / or the P-CSCF is added, deleted, or mended. As the result, the work of the ADMF in the administer side is reduced, as well as the difficult of the ADMF business.
Description
Technical field
The present invention relates to monitoring technique, particularly relate to a kind of in IP Multimedia System (IMS) method and system of down-link monitoring data.
Background technology
Lawful Interception is meant law enforcement agency (LEA) through corresponding authorities conducting the examination on the ministry's authorization approval, the law enforcement behavior of public correspondence Netcom communication service being monitored according to national relevant law and public correspondence net industry standard.
Fig. 1 is the Lawful Interception model schematic diagram of IMS network in the prior art.Referring to Fig. 1, in order in the IMS network, to realize Lawful Interception, 3GPP TS33.107 has defined the Lawful Interception model at the IMS network, and this model comprises: management function (ADMF) entity of judicial execution monitoring equipment (LEMF), Lawful Interception, handoff functions (DF) entity, service call conversation control function (S-CSCF) entity and Proxy Call Session Control Function (P-CSCF) entity.Wherein, LEMF entity, ADMF entity and DF entity all are positioned at law enforcement agency's side, and S-CSCF entity and P-CSCF entity are arranged in the IMS network as the control of the monitoring in IMS network network element.In concrete business realizing, when needs are carried out monitoring to the eavesdropping target in the IMS network, that is to say when needing down-link monitoring data, the ADMF entity can be carried at the various monitored datas of law enforcement agency's side each and monitor in the indication, activate indication, eavesdropping target's inquiry and the indication of eavesdropping target's attribute modification etc. such as the eavesdropping target, and the monitoring indication that will carry monitored data directly is sent to S-CSCF entity and/or P-CSCF entity in the IMS network, wherein, include eavesdropping target's sign in the monitored data.S-CSCF entity and/or P-CSCF entity are monitored the eavesdropping target according to the monitored data that carries in the monitoring indication that receives, and the eavesdropping target's that obtained relevant monitoring content are sent to the DF entity of law enforcement agency's side.
By above description as can be seen, in the prior art, when law enforcement agency's side need issue various monitored data, be that ADMF entity by law enforcement agency's side directly is carried at monitored data to monitor in the indication by the X1_1 interface and is sent to S-CSCF entity in the IMS network and/or P-CSCF entity.Like this, when a plurality of S-CSCF entities that have the ADMF entity management and/or a plurality of P-CSCF entity, in order monitored data to be sent to the S-CSCF entity and/or the P-CSCF entity of eavesdropping target's registration, then must dispose and safeguard the S-CSCF entity that all are relevant and the information of P-CSCF entity in the ADMF entity, and, when increasing or having deleted a S-CSCF entity and/or P-CSCF entity, or when having revised the address of a S-CSCF entity and/or P-CSCF entity, all need on the ADMF entity, upgrade processing synchronously accordingly, thereby greatly increase the management maintenance workload of the ADMF entity of law enforcement agency's side.And, when a plurality of S-CSCF entities that have the ADMF entity management and P-CSCF entity, in order monitored data to be sent to the S-CSCF entity and/or the P-CSCF entity of eavesdropping target's registration, the monitoring indication that the ADMF entity must adopt the mode of broadcasting will carry monitored data sends to all the P-CSCF entities and/or the S-CSCF entity of its configuration, thereby greatly reduces the data-handling efficiency as the ADMF entity of listening center.
In addition, in the prior art, only control network element as the monitoring in IMS territory by P-CSCF entity and S-CSCF entity, like this when the supplementary service incident that takes place corresponding to the eavesdropping target, because P-CSCF entity and S-CSCF entity all can't be known the generation of supplementary service incident, then can't give the DF entity with eavesdropping target's supplementary service reporting events, thereby make law enforcement agency's side can't listen to the supplementary service incident of eavesdropping target in the IMS network, thereby greatly reduce the QoS of legal monitoring business in the IMS network.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of method of down-link monitoring data, another object of the present invention is to provide a kind of system of down-link monitoring data, with the management maintenance workload of minimizing ADMF entity, and the data-handling efficiency of raising ADMF entity.
In order to achieve the above object, technical scheme of the present invention is achieved in that
A kind of method of down-link monitoring data, this method comprises:
A, monitored data processing capacity entity is set in IP Multimedia System;
The monitoring indication that B, management function ADMF entity will carry monitored data is sent to monitored data processing capacity entity;
The monitored data that C, monitored data processing capacity entity will carry in will monitoring and indicating is sent to the monitoring control network element in the IP Multimedia System.
Described monitored data processing capacity entity is a physical entity or be integrated in existing physical entity side in the IP Multimedia System independently in the IP Multimedia System.
This method further comprises: the sign that all monitoring control network elements of this monitored data processing capacity entity management are set in monitored data processing capacity entity;
In step C, the step of described transmission comprises: monitored data processing capacity entity will be monitored the monitored data that carries in the indication is sent to self-management in the mode of broadcast all monitoring control network elements according to the sign of the monitoring control network element that is provided with in self.
This method further comprises: user and the corresponding relation of monitoring the control network element are set, this set corresponding relation is kept in the monitored data processing capacity entity, and this set user is registered on the monitoring control network element corresponding with it;
In step C, the step of described transmission comprises: monitored data processing capacity entity is according to the eavesdropping target's sign that comprises in the monitored data and user who preserves in self and the corresponding relation of monitoring the control network element, obtain the pairing monitoring control of current eavesdropping target network element, will monitor the monitored data that carries in the indication then and be sent to the monitoring control network element that is obtained.
This method further comprises: monitor the control network element after obtaining user ID, be sent to monitored data processing capacity entity with carrying the monitoring query messages of monitoring control network element self identification and user ID; Monitored data processing capacity entity obtains the sign of the monitoring control network element of sending the monitoring query messages and user's sign from the monitoring query messages that receives, and preserves the sign of the monitoring control network element that is obtained and the corresponding relation of user ID;
In step C, the step of described transmission comprises: monitored data processing capacity entity is according to the eavesdropping target's who comprises in the monitored data that receives sign, and the sign of each monitoring control network element of being preserved in self and the corresponding relation of user ID, obtain the sign of the monitoring control network element corresponding, will monitor the monitored data that carries in the indication according to the obtain sign of monitoring the control network element then and be sent to corresponding monitoring control network element with current eavesdropping target.
When described eavesdropping target roams,
Described ADMF entity is the ADMF entity of eavesdropping target's ownership place correspondence;
The monitored data processing capacity entity that described monitored data processing capacity entity is eavesdropping target's ownership place;
Comprise in the described monitoring control network element: the service call conversation control function S-CSCF entity of the Proxy Call Session Control Function P-CSCF entity of eavesdropping target's ownership place and eavesdropping target's ownership place.
The application server AS that comprises eavesdropping target's ownership place in the described monitoring control network element.
When described eavesdropping target roams,
Described ADMF entity is the ADMF entity of eavesdropping target's ownership place correspondence;
The monitored data processing capacity entity that described monitored data processing capacity entity is eavesdropping target's ownership place;
The S-CSCF entity that comprises eavesdropping target's ownership place in the described monitoring control network element.
The application server AS that comprises eavesdropping target's ownership place in the described monitoring control network element.
The P-CSCF entity that comprises the eavesdropping target roaming place in the described monitoring control network element;
This method further comprises: the S-CSCF entity of eavesdropping target's ownership place obtains the P-CSCF entity identification of eavesdropping target roaming place when the eavesdropping target registers, and the P-CSCF entity identification of the eavesdropping target roaming place that obtained is sent to the monitored data processing capacity entity of eavesdropping target's ownership place, the monitored data processing capacity entity of eavesdropping target's ownership place is preserved the P-CSCF entity identification of this eavesdropping target roaming place;
In step C, described monitored data processing capacity entity comprises the step that monitored data is sent to the P-CSCF entity of eavesdropping target roaming place: the monitored data processing capacity entity of eavesdropping target's ownership place will be monitored the P-CSCF entity that the monitored data that carries in the indication is sent to the eavesdropping target roaming place according to the sign of the P-CSCF entity of the eavesdropping target roaming place of self preserving.
Comprise in the described monitoring control network element: P-CSCF entity and S-CSCF entity;
In step C, the step of described transmission comprises:
C11, monitored data processing capacity entity send the query requests of carrying this eavesdropping target's sign according to the eavesdropping target's sign that comprises in the monitored data to the attaching position register HSS of correspondence;
After C12, this HSS receive query requests, obtain the sign of the S-CSCF entity of the current registration of this eavesdropping target according to the eavesdropping target's who wherein carries sign from self, the sign with the S-CSCF entity that obtained is sent to monitored data processing capacity entity then;
The sign of the S-CSCF entity that C13, monitored data processing capacity entity basis receive will be monitored the monitored data that carries in the indication and be sent to corresponding S-CSCF entity; And, monitored data processing capacity entity is according to the sign of the S-CSCF entity that receives, send the query requests of carrying eavesdropping target's sign to the S-CSCF of correspondence entity, after the S-CSCF entity receives query requests, obtain the sign of the P-CSCF entity of the current registration of this eavesdropping target according to eavesdropping target's sign of wherein carrying, the S-CSCF entity is sent to monitored data processing capacity entity with the sign of the P-CSCF entity that obtained then, monitored data processing capacity entity is sent to corresponding P-CSCF entity according to the sign of the P-CSCF entity that receives with monitoring the monitored data that carries in the indication.
Comprise AS in the described monitoring control network element;
Described step C12 further comprises: HSS obtains the sign of the AS of the current registration of this eavesdropping target according to the eavesdropping target's who carries in the query requests sign from self, and the sign with the AS that obtained is sent to monitored data processing capacity entity then;
Described step C13 further comprises: monitored data processing capacity entity is sent to corresponding AS according to the sign of the AS that receives with monitoring the monitored data that carries in the indication.
Carry out reciprocal process by Diameter between described monitored data processing capacity entity and the HSS.
The corresponding a plurality of terminals of described eavesdropping target, and these a plurality of terminals insert from different P-CSCF entities;
In step C13, what described S-CSCF entity obtained and be sent to monitored data processing capacity entity is the sign of a plurality of P-CSCF entities;
In step C13, the described step that monitored data is sent to corresponding P-CSCF entity comprises: monitored data processing capacity entity is sent to this a plurality of P-CSCF entities according to the sign of a plurality of P-CSCF entities that receive respectively with monitoring the monitored data that carries in the indication.
When described eavesdropping target roamed, described ADMF entity was the ADMF entity of eavesdropping target's ownership place correspondence;
Described monitored data processing capacity entity, S-CSCF entity and P-CSCF entity are respectively monitored data processing capacity entity, S-CSCF entity and the P-CSCF entity of eavesdropping target's ownership place.
When described eavesdropping target roamed, described ADMF entity was the ADMF entity of eavesdropping target's ownership place correspondence;
Described monitored data processing capacity entity and S-CSCF entity are respectively the monitored data processing capacity entity and the S-CSCF entity of eavesdropping target's ownership place;
The P-CSCF entity that described P-CSCF entity is the eavesdropping target roaming place.
Described monitored data processing capacity entity comprises the step that monitored data is sent to the P-CSCF entity: the monitored data processing capacity entity of eavesdropping target's ownership place will be monitored the P-CSCF entity that the monitored data that carries in the indication directly is sent to the eavesdropping target roaming place according to the sign of the P-CSCF entity of the eavesdropping target roaming place of self preserving.
Described monitored data processing capacity entity comprises the step that monitored data is sent to the P-CSCF entity:
The monitored data processing capacity entity of C21, eavesdropping target's ownership place returns to the sign of eavesdropping target roaming place P-CSCF entity the ADMF entity of eavesdropping target's ownership place correspondence;
The ADMF entity of C22, this eavesdropping target's ownership place correspondence is according to the P-CSCF entity identification of the eavesdropping target roaming place that receives, with the P-CSCF entity identification of this eavesdropping target roaming place and monitor the monitored data processing capacity entity that the monitored data that carries in the indication is sent to the eavesdropping target roaming place;
The monitored data processing capacity entity of C23, eavesdropping target roaming place is sent to the monitored data that receives the P-CSCF entity of eavesdropping target roaming place according to the P-CSCF entity identification of the eavesdropping target roaming place that receives.
In step C22, the step of described transmission comprises: the ADMF entity of eavesdropping target's ownership place correspondence is directly with the P-CSCF entity identification of eavesdropping target roaming place and monitor the monitored data processing capacity entity that the monitored data that carries in the indication is sent to the eavesdropping target roaming place.
In step C22, the step of described transmission comprises: the ADMF entity of eavesdropping target's ownership place correspondence is with the P-CSCF entity identification of eavesdropping target roaming place and monitor the ADMF entity that the monitored data that carries in the indication is sent to eavesdropping target roaming place correspondence; The ADMF entity of eavesdropping target roaming place correspondence is sent to the P-CSCF entity identification of eavesdropping target roaming place and the monitored data that receives the monitored data processing capacity entity of eavesdropping target roaming place.
Described step C further comprises: monitored data processing capacity entity is according to the relevant information of the monitored data preservation of carrying in the monitoring indication corresponding to the eavesdropping target.
In step C, after receiving the monitoring indication, and before sending monitored data, further comprise: monitored data processing capacity entity judges that the current monitoring that receives indicates whether to inquire about indication for the eavesdropping target, if the eavesdropping target inquires about indication, then monitored data processing capacity entity is inquired about indication according to the eavesdropping target and is controlled the information that network element obtains the eavesdropping target from self and/or monitoring, and the eavesdropping target's that obtained information is sent to the ADMF entity, finish current flow process, inquire about indication if not the eavesdropping target, then continue to carry out and to monitor the step that the monitored data that carries in the indication is sent to the monitoring control network element in the IP Multimedia System.
A kind of system of down-link monitoring data, this system comprises: ADMF entity, monitored data processing capacity entity, S-CSCF entity and P-CSCF entity, wherein,
The ADMF entity, the monitoring indication that is used for carrying monitored data is sent to monitored data processing capacity entity;
Monitored data processing capacity entity is used to receive the monitoring indication of carrying monitored data that the ADMF entity is sent, and will monitor the monitored data that carries in indicating and be sent to S-CSCF entity and P-CSCF entity respectively;
S-CSCF entity and P-CSCF entity are respectively applied for and receive the monitored data that monitored data processing capacity entity is sent.
Link to each other by existing X1_1 interface between described ADMF entity and the monitored data processing capacity entity.
Described monitored data processing capacity entity directly links to each other with the S-CSCF entity with the P-CSCF entity respectively by existing interface or self-defining interface.
This system further comprises AS,
Described monitored data processing capacity entity, the monitored data that carries in the monitoring indication that is further used for receiving is sent to AS;
Described AS is used to receive the monitored data that monitored data processing capacity entity is sent, and after obtaining eavesdropping target's supplementary service incident, reports the eavesdropping target's of institute supplementary service incident according to the monitored data that receives.
Described monitored data processing capacity entity directly links to each other with AS by existing interface or self-defining interface.
Described interface protocol is a Diameter.
Described monitored data processing capacity entity is a physical entity or be integrated in the IP Multimedia System in the existing physical entity independently in the IP Multimedia System.
This shows that the present invention has the following advantages:
1, the present invention has increased a monitored data processing capacity entity in the IMS network, and by the monitored data processing capacity entity management of this network side and the control of the monitoring in maintaining IMS network network element, no matter whether increase, delete or revised a S-CSCF entity and/or P-CSCF entity in the IMS network, the ADMF entity of law enforcement agency's side all need not to carry out complicated configuring maintenance operation, thereby greatly reduced the management maintenance workload of the side ADMF of law enforcement agency entity, reduced the business realizing difficulty of ADMF entity.
2, because in the present invention, the ADMF entity only needs to carry out the mutual of data with a monitored data processing capacity entity of its management, and need not to carry out alternately, thereby improved data-handling efficiency greatly as the ADMF entity of listening center with numerous P-CSCF entity and S-CSCF entity.
3, in the present invention, AS is also as monitoring the snoop procedure that the control network element participates in the IMS network, the monitored data that carries in the monitoring indication that monitored data processing capacity entity is further sent the ADMF entity is sent to AS, thereby triggering AS monitors the eavesdropping target, like this when the supplementary service incident that takes place corresponding to the eavesdropping target, AS just can give eavesdropping target's supplementary service reporting events the DF entity of law enforcement agency's example according to the monitored data that receives, thereby make law enforcement agency's side can listen to the supplementary service incident of eavesdropping target in the IMS network, thereby improved the QoS of legal monitoring business in the IMS network greatly.
Description of drawings
Fig. 1 is the Lawful Interception model schematic diagram of IMS network in the prior art.
Fig. 2 is the basic structure schematic diagram of system of the present invention.
Fig. 3 is the preferred structure schematic diagram of system of the present invention.
Fig. 4 is a flow chart of realizing embodiments of the invention.
Embodiment
In the prior art, because the ADMF entity directly is handed down to monitored data P-CSCF entity and S-CSCF entity in the IMS network, therefore often cause the management maintenance workload increase of ADMF entity and the data-handling efficiency of ADMF entity to reduce.At this shortcoming, the present invention proposes a kind of method of down-link monitoring data, its core concept is: monitored data processing capacity entity is set in the IMS network in advance, and this monitored data processing capacity entity is directly linked to each other with ADMF entity, P-CSCF entity and S-CSCF entity respectively; When the needs down-link monitoring data, the monitoring indication that the ADMF entity will carry monitored data is sent to monitored data processing capacity entity; The monitored data that monitored data processing capacity entity will carry in will monitoring and indicating is sent to the monitoring control network element in the IP Multimedia System.
Wherein, described monitoring control network element is P-CSCF entity and S-CSCF entity, that is to say, after monitored data processing capacity entity receives the monitoring indication of carrying monitored data, the monitored data that carries in this monitoring indication is sent to P-CSCF entity and S-CSCF entity respectively.
Preferably, in order to make law enforcement agency's side can listen to the eavesdropping target's of institute supplementary service incident, in the present invention, can also further AS be controlled network element as monitoring, that is to say, after monitored data processing capacity entity receives the monitoring indication of carrying monitored data, can also further the monitored data that carries in this monitoring indication be sent to application server (AS).Like this, AS obtains the eavesdropping target's of institute supplementary service incident in subsequent process after, then can carry out the process of the eavesdropping target's of institute supplementary service reporting events being given the side DF of law enforcement agency entity according to the monitored data that receives.
In the present invention, monitored data processing capacity entity can adopt multiple mode will monitor that the monitored data that carries is sent to P-CSCF entity, S-CSCF entity and AS in the indication, and preferable send mode can be exemplified as: the mode with broadcasting sends, send, send and by inquiring about that attaching position register (HSS) sends etc. according to the monitoring query messages that receives according in advance configuration.
The invention allows for a kind of system of down-link monitoring data, referring to Fig. 2, this system comprises: ADMF entity, monitored data processing capacity entity, P-CSCF entity and S-CSCF entity, wherein,
The ADMF entity, the monitoring indication that is used for carrying monitored data is sent to monitored data processing capacity entity;
Monitored data processing capacity entity be used to receive the monitoring indication of carrying monitored data that the ADMF entity is sent, and the monitored data that carries in the monitoring that will the receive indication is sent to P-CSCF entity and S-CSCF entity respectively;
P-CSCF entity and S-CSCF entity are respectively applied for and receive the monitored data that monitored data processing capacity entity is sent.
Fig. 3 is the preferred structure schematic diagram of system of the present invention.Referring to Fig. 3, in order to make law enforcement agency's side can listen to the eavesdropping target's of institute supplementary service incident, preferably, further comprise AS in the system of the present invention, monitored data processing capacity entity, the monitored data that carries in the monitoring indication that is further used for receiving is sent to AS; AS is used to receive the monitored data that monitored data processing capacity entity is sent, and after obtaining eavesdropping target's supplementary service event information, reports eavesdropping target's supplementary service incident according to the monitored data that receives.
For making the purpose, technical solutions and advantages of the present invention clearer, the present invention is described in further detail below in conjunction with drawings and the specific embodiments.
In following embodiment, be that preferred structure shown in Figure 3 is that example illustrates specific implementation process of the present invention with system of the present invention.
Fig. 4 is a flow chart of realizing embodiments of the invention.Referring to Fig. 3 and Fig. 4, utilize system of the present invention, the inventive method realizes that the process of down-link monitoring data specifically may further comprise the steps:
Step 401: monitored data processing capacity entity is set in the IMS network in advance, and this monitored data processing capacity entity is directly linked to each other with AS with ADMF entity, P-CSCF entity, S-CSCF entity respectively.
Here, set monitored data processing capacity entity can be an independently physical entity in the IMS network, also can be integrated in the IMS network in the existing physical entity.
And set monitored data processing capacity entity directly is connected with the ADMF entity by existing X1_1 interface.Monitored data processing capacity entity directly links to each other with AS with P-CSCF entity, S-CSCF entity respectively by existing interface or the self-defining interface of the present invention, such as, monitored data processing capacity entity can directly link to each other with AS with P-CSCF entity, S-CSCF entity respectively with E3 by the self-defining interface E1 of the present invention, E2.
In addition, the interface protocol between monitored data processing capacity entity and P-CSCF entity, S-CSCF entity and the AS can be the self-defining agreement of the present invention, also can be prior protocols such as Diameter etc.
Step 402: when needs issued monitored data to the eavesdropping target, the monitoring indication that the ADMF entity will carry monitored data was sent to monitored data processing capacity entity.
Here, the ADMF entity is sent to the sign that carries ADMF entity self in the monitoring indication of monitored data processing capacity entity, monitor the sign that includes the eavesdropping target in the monitored data entrained in the indication, such as initial session protocol unified resource sign (SIP URI) and TEL URL, and the concrete parameter of monitoring requirement of indication etc.
In this step, described monitoring indication can be any one that the ADMF entity is issued in snoop procedure and monitor related news that such as being: eavesdropping target's activation command, eavesdropping target's monitoring attribute is revised indication, eavesdropping target's deexcitation indication and eavesdropping target and inquired about indication etc.
Step 403: after monitored data processing capacity entity receives the monitoring indication of carrying monitored data, preserve relevant information, and return success response message to the ADMF entity corresponding to the eavesdropping target according to the monitored data that wherein carries.
Here, if the monitoring that monitored data processing capacity entity receives is designated as eavesdropping target's activation command, then in this step, monitored data processing capacity entity can be when receiving this eavesdropping target's activation command, at first according to ADMF entity identification in eavesdropping target's activation command, current eavesdropping target's sign that comprises in the monitored data and each eavesdropping target's who preserves in self information, judge whether current eavesdropping target is monitored by law enforcement agency's side of current ADMF entity correspondence, if, then return failure response message to the ADMF entity, and need not to carry out subsequent process, promptly finish current flow process, otherwise, return success response message to the ADMF entity.
In this step, the relevant information that the monitored data that described monitored data processing capacity entity carries according to the monitoring indication is preserved corresponding to the eavesdropping target comprises: with each parameter relevant to eavesdropping target's monitoring, the step of going forward side by side is carried out relevant treatment such as setting of eavesdropping target's monitoring attribute and preservation in the monitored data processing capacity entity preservation monitored data.Such as, current monitored data is eavesdropping target's activation command, then monitored data processing capacity entity is preserved this eavesdropping target's the sign of sign, listening center and monitoring attribute such as for monitoring dialog context according to each parameter in eavesdropping target's activation command, and further this eavesdropping target's state is set to monitor state of activation, and preserves this eavesdropping target's monitoring state of activation.
Step 404: monitored data processing capacity entity judges that current received monitoring indicates whether for the eavesdropping target inquires about indication, if then execution in step 405, otherwise, execution in step 406.
Step 405: monitored data processing capacity entity is inquired about the relevant information that the eavesdropping target is obtained in indication according to the eavesdropping target, and eavesdropping target's relevant information of obtaining is sent to the ADMF entity, finishes current flow process.
Here, monitored data processing capacity entity can be inquired about indication according to the eavesdropping target, from self, any one or several relevant information of obtaining the eavesdropping target among P-CSCF entity, S-CSCF entity and the AS.
Step 406: the monitored data that carries in the monitoring indication that monitored data processing capacity entity will receive is sent to P-CSCF entity, S-CSCF entity and AS.
In this step, monitored data processing capacity entity can adopt propelling movement configuring request (PPR) message of Diameter or other has existed or self-defining message is come down-link monitoring data.
In this step, monitored data processing capacity entity can adopt multiple mode will monitor the indication in entrained monitored data be sent to P-CSCF entity, S-CSCF entity and AS, preferable send mode can be exemplified as: mode one, with broadcasting mode send; Mode two, basis configuration in advance send; The monitoring query messages that mode three, basis receive sends; Mode four, by the inquiry attaching position register (HSS) send.
When employing mode one, when promptly sending in the mode of broadcasting, the present invention carries out in advance: the address information that P-CSCF entity, S-CSCF entity and the AS of this monitored data processing capacity entity management are set in monitored data processing capacity entity.Like this, the specific implementation process of this step comprises: monitored data processing capacity entity self is managed the address information of P-CSCF entity, S-CSCF entity and AS according to what be provided with, and entrained monitored data was sent to all P-CSCF entities, S-CSCF entity and the AS of self-management during the monitoring that will receive with the form of broadcast was indicated.By the processing procedure of this step, can guarantee that then P-CSCF entity, S-CSCF entity and AS that the eavesdropping target registers can receive monitored data.
When employing mode two, i.e. when basis configuration in advance sent, the present invention carried out in advance: the corresponding relation of user and P-CSCF entity, S-CSCF entity and AS is set respectively, this set corresponding relation is kept in the monitored data processing capacity entity; When a user registers in network, system is registered to this user on the P-CSCF entity and S-CSCF entity corresponding with it, and use the AS of the AS corresponding as this user's signing service with this user, thereby realized the user of an appointment is made its P-CSCF entity that is registered to appointment and S-CSCF entity, and made the AS of the signing service use appointment of this designated user.Like this, the specific implementation process of this step comprises: monitored data processing capacity entity is according to the eavesdropping target's sign and user who preserves in self and the corresponding relation of P-CSCF entity, S-CSCF entity and AS that comprise in the monitored data, obtain the sign of the pairing P-CSCF entity of current eavesdropping target, S-CSCF entity and AS, entrained monitored data was sent to P-CSCF entity, S-CSCF entity and AS respectively during the monitoring that will receive according to the sign of being obtained was indicated then, and need not to be sent to all P-CSCF entities, S-CSCF entity and the AS of management.By the processing procedure of this step, can guarantee that then P-CSCF entity, S-CSCF entity and AS that the eavesdropping target registers receive monitored data.
When employing mode three, when promptly sending according to the monitoring query messages that receives, the present invention carries out in advance: when a P-CSCF entity, S-CSCF entity or AS received register requirement of carrying this user ID that a user sends or call request, the monitoring query messages that this P-CSCF entity, S-CSCF entity or AS initiatively will carry self identification and this user ID was sent to monitored data processing capacity entity; Monitored data processing capacity entity obtains the sign of the P-CSCF entity, S-CSCF entity or the AS that send the monitoring query messages and user's sign from the monitoring query messages that receives, and preserves the sign of the P-CSCF entity, S-CSCF entity or the AS that are obtained and the corresponding relation of user ID.Like this, the specific implementation process of this step comprises: monitored data processing capacity entity is according to the eavesdropping target's who comprises in the monitored data that receives sign, and the sign of the P-CSCF entity of being preserved in self, S-CSCF entity or AS and the corresponding relation of user ID, obtain the P-CSCF entity corresponding with the eavesdropping target, S-CSCF entity or AS, entrained monitored data is sent to the current P-CSCF entity that obtains, S-CSCF entity or AS in the monitoring that will receive the then indication.Owing to receive the P-CSCF entity of user's register requirement and P-CSCF entity and the S-CSCF entity that the S-CSCF entity is user's registration, and the AS that receives the customer call request is the AS that user's signing service is used, so the processing procedure by this step can guarantee that then P-CSCF entity, S-CSCF entity and AS that the eavesdropping target registers receive monitored data.
When employing mode four, when promptly sending by inquiry HSS, the specific implementation process of this step comprises: monitored data processing capacity entity sends the query requests of carrying this eavesdropping target's sign according to the eavesdropping target's who comprises in the monitored data that receives sign to the HSS of correspondence; After this HSS receives query requests, obtain the sign of the AS of the sign of S-CSCF entity of the current registration of this eavesdropping target and signing service that this eavesdropping target uses from self according to the eavesdropping target's who wherein carries sign, HSS is sent to monitored data processing capacity entity with the sign of the S-CSCF entity that obtained and the sign of AS then; Monitored data processing capacity entity is sent to entrained monitored data in the monitoring indication sign and the AS of corresponding S-CSCF entity according to the sign of the S-CSCF entity that receives and the sign of AS; And monitored data processing capacity entity sends the query requests of carrying eavesdropping target's sign according to the sign of the S-CSCF entity that receives to the S-CSCF of correspondence entity; After the S-CSCF entity receives query requests, obtain the sign of the P-CSCF entity of the current registration of this eavesdropping target according to the eavesdropping target that wherein carries sign, the S-CSCF entity is sent to monitored data processing capacity entity with the sign of the P-CSCF entity that obtained then; Monitored data processing capacity entity is according to the sign of the P-CSCF entity that receives, and entrained monitored data is sent to corresponding P-CSCF entity in the monitoring indication that the ADMF entity is sent.
Need to prove, when employing mode four, if the corresponding a plurality of terminals of eavesdropping target, and when these a plurality of terminals insert from different P-CSCF entities, in this step, what the S-CSCF entity obtained and be sent to monitored data processing capacity entity can be the sign of a plurality of P-CSCF entities, and entrained monitored data was sent to this a plurality of P-CSCF entities respectively during monitored data processing capacity entity will be monitored and indicate.
When employing mode four sends, can carry out reciprocal process by the message of Diameter or other agreement between monitored data processing capacity entity and the HSS.
In the present invention, when the eavesdropping target roamed, the ADMF entity was the ADMF entity of eavesdropping target's ownership place correspondence; Monitored data processing capacity entity, P-CSCF entity, S-CSCF entity and AS are respectively monitored data processing capacity entity, P-CSCF entity, S-CSCF entity and the AS of eavesdropping target's ownership place.When the eavesdropping target roamed, the ADMF entity that relates in the said process was the ADMF entity of eavesdropping target's ownership place correspondence; Monitored data processing capacity entity, S-CSCF entity and the AS that relates in the said process is respectively monitored data processing capacity entity, S-CSCF entity and the AS of eavesdropping target's ownership place, and the P-CSCF entity is the P-CSCF entity of eavesdropping target roaming place.
No matter whether the eavesdropping target roams, and the mode of the 4th kind of above-mentioned down-link monitoring data all is suitable for.The mode correspondence of above-mentioned preceding 3 kinds of down-link monitoring datas be the situation that the eavesdropping target roams, that is to say that each entity in the system of the present invention is the entity of eavesdropping target's ownership place, and the ADMF entity is the ADMF entity of eavesdropping target's ownership place correspondence.And no matter whether the eavesdropping target roams, and the mode that all can adopt above-mentioned preceding 3 kinds of down-link monitoring datas will be monitored S-CSCF entity and the AS that entrained monitored data in the indication is sent to eavesdropping target's ownership place by the monitored data processing capacity entity of eavesdropping target's ownership place.
When the eavesdropping target roams, entrained monitored data is sent to the specific implementation of the P-CSCF entity of eavesdropping target roaming place and is in adopting above-mentioned four kinds of modes to realize will being monitored by the monitored data processing capacity entity of eavesdropping target's ownership place to indicate: the S-CSCF entity of eavesdropping target's ownership place can further obtain the P-CSCF entity identification of eavesdropping target roaming place when this eavesdropping target registers, and the P-CSCF entity identification of eavesdropping target roaming place is sent to the monitored data processing capacity entity of eavesdropping target's ownership place, the monitored data processing capacity entity of eavesdropping target's ownership place is preserved the P-CSCF entity identification of the eavesdropping target roaming place of this eavesdropping target's correspondence.Like this, in this step,, can adopt 3 kinds of following modes to issue, comprise when issuing the P-CSCF entity of eavesdropping target roaming place when monitoring monitored data entrained in the indication:
1, the monitored data processing capacity entity of eavesdropping target's ownership place is in monitoring when indication of carrying monitored data that the ADMF entity that receives eavesdropping target's ownership place is sent, can be according to the P-CSCF entity identification of the eavesdropping target roaming place of preserving, directly will monitor the P-CSCF entity that entrained monitored data in indicating is sent to the eavesdropping target roaming place;
2, the monitored data processing capacity entity of eavesdropping target's ownership place returns to the P-CSCF entity identification of eavesdropping target roaming place the ADMF entity of eavesdropping target's ownership place, the ADMF entity of this eavesdropping target's ownership place is according to the P-CSCF entity identification of the roaming place that receives, with the P-CSCF entity identification of roaming place and monitor the ADMF entity that entrained monitored data in the indication is sent to the eavesdropping target roaming place, the monitored data processing capacity entity that the ADMF entity of eavesdropping target roaming place is sent to the eavesdropping target roaming place with the P-CSCF entity identification and the monitored data of roaming place, the monitored data processing capacity entity of eavesdropping target roaming place is sent to the monitored data that receives the P-CSCF entity of this eavesdropping target roaming place according to the P-CSCF entity identification of the eavesdropping target roaming place that receives;
3, the monitored data processing capacity entity of eavesdropping target's ownership place returns to the P-CSCF entity identification of eavesdropping target roaming place the ADMF entity of eavesdropping target's ownership place, the ADMF entity of this eavesdropping target's ownership place is according to the P-CSCF entity identification of the eavesdropping target roaming place that receives, the monitored data processing capacity entity that the P-CSCF entity identification and the monitored data of eavesdropping target roaming place is sent to the eavesdropping target roaming place, the monitored data processing capacity entity of eavesdropping target roaming place is sent to the monitored data that receives the P-CSCF entity of this eavesdropping target roaming place according to the P-CSCF entity identification of the eavesdropping target roaming place that receives.
Step 407: the P-CSCF entity, S-CSCF entity and the AS that receive monitored data return success response message to monitored data processing capacity entity.
In this step, P-CSCF entity, S-CSCF entity and AS can adopt the propelling movement configuration of Diameter to reply (PPA) message or other has existed or self-defining message is returned response message.
In the present invention, the ADMF entity is sent to monitored data processing capacity entity by the monitoring indication that the X1_1 interface will carry monitored data.Monitored data processing capacity entity is carried out reciprocal process by message and S-CSCF entity, P-CSCF entity and the AS of Diameter or other agreement.
In above embodiment, be to comprise in the system of the present invention that AS is that example illustrates concrete entity process of the present invention.When not comprising AS in the system of the present invention, concrete entity process of the present invention is identical with the principle of above-mentioned process shown in Figure 4, only needs to remove the process of monitored data processing capacity entity and the mutual various message of AS.
In a word, the above is preferred embodiment of the present invention only, is not to be used to limit protection scope of the present invention.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (29)
1, a kind of method of down-link monitoring data is characterized in that, this method comprises:
A, monitored data processing capacity entity is set in IP Multimedia System;
The monitoring indication that B, management function ADMF entity will carry monitored data is sent to monitored data processing capacity entity;
The monitored data that C, monitored data processing capacity entity will carry in will monitoring and indicating is sent to the monitoring control network element in the IP Multimedia System.
2, method according to claim 1 is characterized in that, described monitored data processing capacity entity is a physical entity or be integrated in existing physical entity side in the IP Multimedia System independently in the IP Multimedia System.
3, method according to claim 1 is characterized in that, this method further comprises: the sign that all monitoring control network elements of this monitored data processing capacity entity management are set in monitored data processing capacity entity;
In step C, the step of described transmission comprises: monitored data processing capacity entity will be monitored the monitored data that carries in the indication is sent to self-management in the mode of broadcast all monitoring control network elements according to the sign of the monitoring control network element that is provided with in self.
4, method according to claim 1, it is characterized in that, this method further comprises: user and the corresponding relation of monitoring the control network element are set, this set corresponding relation is kept in the monitored data processing capacity entity, and this set user is registered on the monitoring control network element corresponding with it;
In step C, the step of described transmission comprises: monitored data processing capacity entity is according to the eavesdropping target's sign that comprises in the monitored data and user who preserves in self and the corresponding relation of monitoring the control network element, obtain the pairing monitoring control of current eavesdropping target network element, will monitor the monitored data that carries in the indication then and be sent to the monitoring control network element that is obtained.
5, method according to claim 1, it is characterized in that, this method further comprises: monitor the control network element after obtaining user ID, be sent to monitored data processing capacity entity with carrying the monitoring query messages of monitoring control network element self identification and user ID; Monitored data processing capacity entity obtains the sign of the monitoring control network element of sending the monitoring query messages and user's sign from the monitoring query messages that receives, and preserves the sign of the monitoring control network element that is obtained and the corresponding relation of user ID;
In step C, the step of described transmission comprises: monitored data processing capacity entity is according to the eavesdropping target's who comprises in the monitored data that receives sign, and the sign of each monitoring control network element of being preserved in self and the corresponding relation of user ID, obtain the sign of the monitoring control network element corresponding, will monitor the monitored data that carries in the indication according to the obtain sign of monitoring the control network element then and be sent to corresponding monitoring control network element with current eavesdropping target.
6, according to claim 3,4 or 5 described methods, it is characterized in that, when described eavesdropping target roams,
Described ADMF entity is the ADMF entity of eavesdropping target's ownership place correspondence;
The monitored data processing capacity entity that described monitored data processing capacity entity is eavesdropping target's ownership place;
Comprise in the described monitoring control network element: the service call conversation control function S-CSCF entity of the Proxy Call Session Control Function P-CSCF entity of eavesdropping target's ownership place and eavesdropping target's ownership place.
7, method according to claim 6 is characterized in that, comprises the application server AS of eavesdropping target's ownership place in the described monitoring control network element.
8, according to claim 3,4 or 5 described methods, it is characterized in that, when described eavesdropping target roams,
Described ADMF entity is the ADMF entity of eavesdropping target's ownership place correspondence;
The monitored data processing capacity entity that described monitored data processing capacity entity is eavesdropping target's ownership place;
The S-CSCF entity that comprises eavesdropping target's ownership place in the described monitoring control network element.
9, method according to claim 8 is characterized in that, comprises the application server AS of eavesdropping target's ownership place in the described monitoring control network element.
10, method according to claim 8 is characterized in that, comprises the P-CSCF entity of eavesdropping target roaming place in the described monitoring control network element;
This method further comprises: the S-CSCF entity of eavesdropping target's ownership place obtains the P-CSCF entity identification of eavesdropping target roaming place when the eavesdropping target registers, and the P-CSCF entity identification of the eavesdropping target roaming place that obtained is sent to the monitored data processing capacity entity of eavesdropping target's ownership place, the monitored data processing capacity entity of eavesdropping target's ownership place is preserved the P-CSCF entity identification of this eavesdropping target roaming place;
In step C, described monitored data processing capacity entity comprises the step that monitored data is sent to the P-CSCF entity of eavesdropping target roaming place: the monitored data processing capacity entity of eavesdropping target's ownership place will be monitored the P-CSCF entity that the monitored data that carries in the indication is sent to the eavesdropping target roaming place according to the sign of the P-CSCF entity of the eavesdropping target roaming place of self preserving.
11, method according to claim 1 is characterized in that, comprises in the described monitoring control network element: P-CSCF entity and S-CSCF entity;
In step C, the step of described transmission comprises:
C11, monitored data processing capacity entity send the query requests of carrying this eavesdropping target's sign according to the eavesdropping target's sign that comprises in the monitored data to the attaching position register HSS of correspondence;
After C12, this HSS receive query requests, obtain the sign of the S-CSCF entity of the current registration of this eavesdropping target according to the eavesdropping target's who wherein carries sign from self, the sign with the S-CSCF entity that obtained is sent to monitored data processing capacity entity then;
The sign of the S-CSCF entity that C13, monitored data processing capacity entity basis receive will be monitored the monitored data that carries in the indication and be sent to corresponding S-CSCF entity; And, monitored data processing capacity entity is according to the sign of the S-CSCF entity that receives, send the query requests of carrying eavesdropping target's sign to the S-CSCF of correspondence entity, after the S-CSCF entity receives query requests, obtain the sign of the P-CSCF entity of the current registration of this eavesdropping target according to eavesdropping target's sign of wherein carrying, the S-CSCF entity is sent to monitored data processing capacity entity with the sign of the P-CSCF entity that obtained then, monitored data processing capacity entity is sent to corresponding P-CSCF entity according to the sign of the P-CSCF entity that receives with monitoring the monitored data that carries in the indication.
12, method according to claim 11 is characterized in that, comprises AS in the described monitoring control network element;
Described step C12 further comprises: HSS obtains the sign of the AS of the current registration of this eavesdropping target according to the eavesdropping target's who carries in the query requests sign from self, and the sign with the AS that obtained is sent to monitored data processing capacity entity then;
Described step C13 further comprises: monitored data processing capacity entity is sent to corresponding AS according to the sign of the AS that receives with monitoring the monitored data that carries in the indication.
13, method according to claim 11 is characterized in that, carries out reciprocal process by Diameter between described monitored data processing capacity entity and the HSS.
14, method according to claim 11 is characterized in that, the corresponding a plurality of terminals of described eavesdropping target, and these a plurality of terminals insert from different P-CSCF entities;
In step C13, what described S-CSCF entity obtained and be sent to monitored data processing capacity entity is the sign of a plurality of P-CSCF entities;
In step C13, the described step that monitored data is sent to corresponding P-CSCF entity comprises: monitored data processing capacity entity is sent to this a plurality of P-CSCF entities according to the sign of a plurality of P-CSCF entities that receive respectively with monitoring the monitored data that carries in the indication.
15, method according to claim 11 is characterized in that, when described eavesdropping target roamed, described ADMF entity was the ADMF entity of eavesdropping target's ownership place correspondence;
Described monitored data processing capacity entity, S-CSCF entity and P-CSCF entity are respectively monitored data processing capacity entity, S-CSCF entity and the P-CSCF entity of eavesdropping target's ownership place.
16, method according to claim 11 is characterized in that, when described eavesdropping target roamed, described ADMF entity was the ADMF entity of eavesdropping target's ownership place correspondence;
Described monitored data processing capacity entity and S-CSCF entity are respectively the monitored data processing capacity entity and the S-CSCF entity of eavesdropping target's ownership place;
The P-CSCF entity that described P-CSCF entity is the eavesdropping target roaming place.
17, according to claim 10 or 16 described methods, it is characterized in that, described monitored data processing capacity entity comprises the step that monitored data is sent to the P-CSCF entity: the monitored data processing capacity entity of eavesdropping target's ownership place will be monitored the P-CSCF entity that the monitored data that carries in the indication directly is sent to the eavesdropping target roaming place according to the sign of the P-CSCF entity of the eavesdropping target roaming place of self preserving.
According to claim 10 or 16 described methods, it is characterized in that 18, described monitored data processing capacity entity comprises the step that monitored data is sent to the P-CSCF entity:
The monitored data processing capacity entity of C21, eavesdropping target's ownership place returns to the sign of eavesdropping target roaming place P-CSCF entity the ADMF entity of eavesdropping target's ownership place correspondence;
The ADMF entity of C22, this eavesdropping target's ownership place correspondence is according to the P-CSCF entity identification of the eavesdropping target roaming place that receives, with the P-CSCF entity identification of this eavesdropping target roaming place and monitor the monitored data processing capacity entity that the monitored data that carries in the indication is sent to the eavesdropping target roaming place;
The monitored data processing capacity entity of C23, eavesdropping target roaming place is sent to the monitored data that receives the P-CSCF entity of eavesdropping target roaming place according to the P-CSCF entity identification of the eavesdropping target roaming place that receives.
19, method according to claim 18, it is characterized in that, in step C22, the step of described transmission comprises: the ADMF entity of eavesdropping target's ownership place correspondence is directly with the P-CSCF entity identification of eavesdropping target roaming place and monitor the monitored data processing capacity entity that the monitored data that carries in the indication is sent to the eavesdropping target roaming place.
20, method according to claim 18, it is characterized in that, in step C22, the step of described transmission comprises: the ADMF entity of eavesdropping target's ownership place correspondence is with the P-CSCF entity identification of eavesdropping target roaming place and monitor the ADMF entity that the monitored data that carries in the indication is sent to eavesdropping target roaming place correspondence; The ADMF entity of eavesdropping target roaming place correspondence is sent to the P-CSCF entity identification of eavesdropping target roaming place and the monitored data that receives the monitored data processing capacity entity of eavesdropping target roaming place.
21, method according to claim 1 is characterized in that, described step C further comprises: monitored data processing capacity entity is according to the relevant information of the monitored data preservation of carrying in the monitoring indication corresponding to the eavesdropping target.
22, method according to claim 21, it is characterized in that, in step C, after receiving the monitoring indication, and before sending monitored data, further comprise: monitored data processing capacity entity judges that the current monitoring that receives indicates whether to inquire about indication for the eavesdropping target, if the eavesdropping target inquires about indication, then monitored data processing capacity entity is inquired about indication according to the eavesdropping target and is controlled the information that network element obtains the eavesdropping target from self and/or monitoring, and the eavesdropping target's that obtained information is sent to the ADMF entity, finish current flow process, inquire about indication if not the eavesdropping target, then continue to carry out and to monitor the step that the monitored data that carries in the indication is sent to the monitoring control network element in the IP Multimedia System.
23, a kind of system of down-link monitoring data is characterized in that, this system comprises: ADMF entity, monitored data processing capacity entity, S-CSCF entity and P-CSCF entity, wherein,
The ADMF entity, the monitoring indication that is used for carrying monitored data is sent to monitored data processing capacity entity;
Monitored data processing capacity entity is used to receive the monitoring indication of carrying monitored data that the ADMF entity is sent, and will monitor the monitored data that carries in indicating and be sent to S-CSCF entity and P-CSCF entity respectively;
S-CSCF entity and P-CSCF entity are respectively applied for and receive the monitored data that monitored data processing capacity entity is sent.
24, system according to claim 23 is characterized in that, links to each other by existing X1_1 interface between described ADMF entity and the monitored data processing capacity entity.
25, system according to claim 23 is characterized in that, described monitored data processing capacity entity directly links to each other with the S-CSCF entity with the P-CSCF entity respectively by existing interface or self-defining interface.
26, system according to claim 23 is characterized in that, this system further comprises AS,
Described monitored data processing capacity entity, the monitored data that carries in the monitoring indication that is further used for receiving is sent to AS;
Described AS is used to receive the monitored data that monitored data processing capacity entity is sent, and after obtaining eavesdropping target's supplementary service incident, reports the eavesdropping target's of institute supplementary service incident according to the monitored data that receives.
27, system according to claim 26 is characterized in that, described monitored data processing capacity entity directly links to each other with AS by existing interface or self-defining interface.
According to claim 25 or 27 described systems, it is characterized in that 28, described interface protocol is a Diameter.
29, system according to claim 23 is characterized in that, described monitored data processing capacity entity is a physical entity or be integrated in the IP Multimedia System in the existing physical entity independently in the IP Multimedia System.
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| CNB200510134639XA CN100414896C (en) | 2005-12-13 | 2005-12-13 | Method and system for down-link monitoring data |
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| CNB200510134639XA CN100414896C (en) | 2005-12-13 | 2005-12-13 | Method and system for down-link monitoring data |
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| CN100414896C CN100414896C (en) | 2008-08-27 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101835132A (en) * | 2010-04-21 | 2010-09-15 | 中兴通讯股份有限公司 | Method and system for lawful monitoring and dispatching of IP multimedia subsystem domain |
| WO2011150869A1 (en) * | 2010-06-03 | 2011-12-08 | 中兴通讯股份有限公司 | Distributed control method and system for legally monitoring in ip multimedia core network subsystem (ims) network |
| WO2012022267A1 (en) * | 2010-08-20 | 2012-02-23 | 中兴通讯股份有限公司 | Method and system for audio broadcast in video surveillance |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7283489B2 (en) * | 2003-03-31 | 2007-10-16 | Lucent Technologies Inc. | Multimedia half-duplex sessions with individual floor controls |
| US20050152275A1 (en) * | 2004-01-14 | 2005-07-14 | Nokia Corporation | Method, system, and network element for monitoring of both session content and signalling information in networks |
| CN100397831C (en) * | 2004-01-16 | 2008-06-25 | 华为技术有限公司 | System and method for realizing IP multimedia business monitoring |
| US20050190772A1 (en) * | 2004-02-26 | 2005-09-01 | Shang-Chih Tsai | Method of triggering application service using filter criteria and IP multimedia subsystem using the same |
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2005
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101835132A (en) * | 2010-04-21 | 2010-09-15 | 中兴通讯股份有限公司 | Method and system for lawful monitoring and dispatching of IP multimedia subsystem domain |
| WO2011150869A1 (en) * | 2010-06-03 | 2011-12-08 | 中兴通讯股份有限公司 | Distributed control method and system for legally monitoring in ip multimedia core network subsystem (ims) network |
| WO2012022267A1 (en) * | 2010-08-20 | 2012-02-23 | 中兴通讯股份有限公司 | Method and system for audio broadcast in video surveillance |
| CN102377577A (en) * | 2010-08-20 | 2012-03-14 | 中兴通讯股份有限公司 | Method and system for realizing audio broadcasting in video monitoring |
| RU2557452C2 (en) * | 2010-08-20 | 2015-07-20 | ЗетТиИ Корпорейшн | Method and system for acoustic translation in video monitoring |
| CN102377577B (en) * | 2010-08-20 | 2015-10-21 | 中兴通讯股份有限公司 | Realize the method and system of audio broadcasting in video monitoring |
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| Publication number | Publication date |
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| CN100414896C (en) | 2008-08-27 |
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