CN105828351B - The method and system that a kind of pair of terminal or group are monitored - Google Patents
The method and system that a kind of pair of terminal or group are monitored Download PDFInfo
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Abstract
This application discloses the methods that a kind of pair of terminal or group are monitored, comprising: A, dispatching desk generate the setting information of intercepted user or group, and the core net that the setting information is sent to broadband cluster communication system is saved；B, when the core net finds that intercepted user or group have calling, core net sends out setup requests to dispatching desk, establishes an individually dialogue；C, in the dialogue, core net transmits the audio/video flow data of intercepted user or group to dispatching desk.Disclosed herein as well is the systems that a kind of pair of terminal or group are monitored.Application scheme can be adapted for broadband multimedia cluster system, and support the process for shifting to an earlier date preset monitoring users or group and being monitored.
Description
Technical field
This application involves mobile communication technology fields, in particular to broadband trunking communicating technology, more particularly to one kind is to end
The method and system that end or group are monitored.
Background technique
Trunked communication system is developed, is applied towards specific industry to meet the needs of industry user's command scheduling
Private wireless communication system.A large amount of wireless users share a small amount of wireless channel in system, are applied based on command scheduling business,
It is a kind of multipurpose, the high-effect wireless communication system using frequency resource.Trunked communication system in a government office, public peace
Entirely, the fields such as emergency communication, electric power, civil aviaton, petrochemical industry and army have a wide range of applications market.
Broadband cluster communication system based on TD-LTE technology is using fourth generation mobile communication technology TD-LTE as core skill
Art, by resource-sharing, fast call establishment, the command scheduling etc. in the high-speed of TD-LTE, big bandwidth and Digital Trunking Technologies
What feature was merged integrates the new generation broadband digital multimedia cluster system of voice, data, video.China in 2014
The communication standardization committee publication " broadband cluster communication (B-TrunC) system of YD/T 2689-2014 based on LTE technology is total
Body technique requires (first stage) " define a kind of broadband cluster communication system based on TD-LTE, system structure such as Fig. 1 institute
Show, by the broadband TD-LTE colony terminal, TD-LTE data terminal, the broadband TD-LTE trunked base station, the broadband TD-LTE cluster core
Net and dispatching desk composition.
While carrying out command scheduling using broadband cluster communication system, since business needs and secure context is examined
Consider, the dispatching desk for generally requiring system right of possession limit being capable of the call-information of monitoring users in systems: i.e. when dispatching desk is to logical
After letter system sends monitoring request, the call-information of monitored object can be sent to dispatching desk by broadband cluster communication system,
To realize monitoring service.In " the 2013-2448T-YD_B-TrunC system of the standardization committee, China's Telecommunication publication in 2014
Interfacing requires (first stage) cluster core net to dispatching desk interface " in, it can only support to carry out the calling conversed online
It monitors, does not support to monitor the terminal or group that pre-set.In actual use, once calling has been established in terminal
It is monitored again, a part of dialog context most started is often lost, reduces the using effect of monitoring service.
In the prior art, having some technical solutions may be implemented the function of being monitored trunked call, recorded.Such as
The terminal to setting may be implemented in the Chinese patent " digital cluster system is monitored and the way of recording " of Publication No. CN1585524A
It is monitored and is recorded, " a kind of digital cluster system dispatching desk is monitored and selected for the Chinese patent of Publication No. CN102065418A
The selecting property way of recording " it may be implemented to monitor online calling, but these monitor methods often have the disadvantage that:
1) trunked communication system of the communication system based on 3G or 2G, system architecture and TD-LTE broadband multimedia cluster system
The network architecture is different.To realize monitoring service, needs to be arranged special monitoring device, realize more complex.And monitoring device and
The system interface of trunked communication system is privately owned internal interface, is not opened externally.
2) can only monitor terminal audio call, do not support to monitor visual individual calling or visual group exhaled etc. based on the more of TD-LTE
Media trunked call service.
3) it only supports to monitor online established calling, do not support preset monitoring users or group in advance and is monitored
Process.
Summary of the invention
This application provides the method and system that a kind of pair of terminal or group are monitored, and are suitable for wideband multimedia cluster
System, and support the process for shifting to an earlier date preset monitoring users or group and being monitored.
The method that a kind of pair of terminal provided by the embodiments of the present application or group are monitored, comprising:
A, dispatching desk generates the setting information of intercepted user or group, and the setting information is sent to broadband cluster
The core net of communication system saves；
B, when the core net finds that intercepted user or group have calling, core net is asked to dispatching desk hair call setup
It asks, establishes the dialogue for monitoring service；
C, in the dialogue for monitoring service, core net transmits the sound view of intercepted user or group to dispatching desk
Frequency flow data.
Preferably, D interface of the session establishment for monitoring service between core net and dispatching desk.
Preferably, the step A includes:
A1, dispatching desk send the first sip message to core net, notify the monitoring setting information of user or group；
A2, core net send the second sip message to dispatching desk, and notice receives monitoring setting request；
Preferably, including the service identification of intercepted user or group in the header field of first sip message；Extend message
The number of intercepted user or the group number and effective monitoring duration of monitored group are carried in body.
Preferably, step B includes:
B1, intercepted user terminal or group establish calling；
B2, when core net finds that there are calling in monitored terminal or group, send third sip message to dispatching desk, wherein
Carry the media parameter information for calling relevant voice or video；
B3, dispatching desk return to the 4th sip message to core net, session establishment success of the confirmation for monitoring service；
B4, core net send the 5th sip message to dispatching desk, complete the session establishment for being used for monitoring service.
Preferably, carrying extension message header in the header field of the first message body, the extension message header is set for carrying
Set the task identifier of intercepted user or group.
Preferably, carrying following parameter in the extension message body of first sip message:
For describing the first parameter of eavesdropping target's list；
For describing the second parameter of the total number of member record；
For recording the third parameter of the call-information of eavesdropping target；
4th parameter of the action type for record；4th parameter includes at least two values, the first value table
Show increase, the second value indicates to delete；
For indicating the 5th parameter of user/group/dispatching desk mark；
The 6th parameter for the duration for showing to monitor.
Preferably, this method further comprises: after the session establishment of monitoring service, when monitored terminal or group-calling
When crying release or dispatching desk is when being not desired to monitor again, sends the 6th sip message by core net or dispatching desk and discharges established use
In the dialogue of monitoring service, terminate this monitoring service after dispatching desk or core net the 7th sip message of return.
The embodiment of the present application also provides the system that a kind of pair of terminal or group are monitored, which is based on broadband cluster
Communication system, including core net and dispatching desk；
The dispatching desk generates the setting information of intercepted user or group, and the setting information is sent to broadband collection
The core net of group communication system saves；Receive the audio/video flow data of intercepted user or group from core net；
The core net is used to receive and save the setting information of intercepted user or group, when discovery intercepted user or
When there is calling in group, core net sends out setup requests to dispatching desk, establishes the dialogue for monitoring service；By described
For the dialogue of monitoring service, core net transmits the audio/video flow data of intercepted user or group to dispatching desk.
Preferably, D interface of the session establishment for monitoring service between core net and dispatching desk.
Preferably, dispatching desk is used to send the first sip message to core net, the monitoring of user or group setting letter is notified
Breath；
The core net is used for after receiving the first sip message, sends the second sip message to dispatching desk, notice receives
Monitor setting request.
Preferably, including the service identification of intercepted user or group in the header field of first sip message；Extend message
The number of intercepted user or the group number and effective monitoring duration of monitored group are carried in body.
Preferably, the core net is used for when finding that monitored terminal or group have calling, third is sent to dispatching desk
Sip message, wherein carrying the media parameter information for calling relevant voice or video；And receiving from dispatching desk
After four sip messages, the 5th sip message is sent to dispatching desk, completes the session establishment for being used for monitoring service；
The dispatching desk is used for after receiving the third sip message from core net, is returned to the 4th SIP to core net and is disappeared
Breath, session establishment success of the confirmation for monitoring service.
Preferably, carrying extension message header in the header field of the first message body, the extension message header is set for carrying
Set the task identifier of intercepted user or group.
Preferably, carrying following parameter in the extension message body of first sip message:
For describing the first parameter of eavesdropping target's list；
For describing the second parameter of the total number of member record；
For recording the third parameter of the call-information of eavesdropping target；
4th parameter of the action type for record；4th parameter includes at least two values, the first value table
Show increase, the second value indicates to delete；
For indicating the 5th parameter of user/group/dispatching desk mark；
The 6th parameter for the duration for showing to monitor.
Preferably, the core net or dispatching desk be further used for when monitored terminal or group call release when or
When dispatching desk is not desired to monitor again, sends the 6th sip message and discharge the dialogue for monitoring service established, dispatching desk or core
Net terminates this monitoring service after returning to the 7th sip message.
As can be seen from the above technical solutions, by the interaction of dispatching desk and core net, realization presets or cancels quilt
The user of monitoring or group.When intercepted user or group initiate trunked call, cluster core net is synchronous to be sent out to dispatching desk
Setup requests are played, monitor dispatching desk immediately.Avoid intercepted user that dispatching desk may be omitted or group most
The call-information of beginning.The interaction of the dispatching desk and core net is based on existing interface extension and realizes, passes through expanded definition message
It supports setting or cancels monitored user terminal and group and the effective time persistently monitored.Extension is easy, realizes and is easy.
Dispatching desk directly carries out monitoring service simultaneously, not against other additional equipment, realizes simple.As intercepted user terminal or group
When group establishes multimedia cluster calling, synchronous the establishing of cluster core net carries a variety of media parameters in request and is sent to tune
Spend platform.After the completion of setup requests, the multi-medium datas such as audio-video synchronize after core net is handled and are sent to dispatching desk,
May be implemented dispatching desk directly carry out monitoring visual individual calling, visual group the multimedia clusters calling such as exhale.
Detailed description of the invention
Fig. 1 is the broadband cluster communication system schematic diagram of TD-LTE；
Fig. 2 is D interface chain of command agreement stack schematic diagram；
Fig. 3 is D interface user face protocol stack schematic diagram；
Fig. 4 is the method flow schematic diagram provided by the embodiments of the present application monitored terminal or group.
Specific embodiment
To keep the technical principle, feature and technical effect of technical scheme clearer, below in conjunction with specific reality
Example is applied technical scheme is described in detail.
Monitor terminal proposed by the present invention or the method for group are based on " 2013-2448T-YD_B-TrunC system interface skill
Art require (first stage) cluster core net arrive dispatching desk interface " defined in opening D interface.D interface is dispatching desk (DC)
Interface between cluster core net (T-CN), realizes the communication connection between dispatching desk and cluster core net, transmission signaling and
Business datum etc..D interface includes chain of command agreement stack and user face protocol stack.Control plane is passed using session initiation protocol (SIP)
Send the control signaling between dispatching desk and cluster core net, messaging protocol stack as shown in Fig. 2, be L1 layers respectively from bottom to top,
L2 layers, IP layers, UDP layer and SIP layers.The business datums such as voice, image, video are transmitted using Real-time Transport Protocol in D interface user face,
Messaging protocol stack is as shown in figure 3, be L1 layers respectively from bottom to top, L2 layers, IP layers, UDP layer and RTP layers.
The method flow provided by the embodiments of the present application monitored terminal or group, includes the following steps:
Step 401:DC sends the first sip message to core net (T-CN), and user or group is notified to monitor setting information.
Step 402: core net sends the second sip message to DC, and notice receives monitoring setting request.
Step 403: intercepted user terminal or group establish calling.
Step 404: when core net (T-CN) has found that monitored terminal or group have calling, sending the 3rd SIP to DC and disappear
Breath, wherein carrying the media parameter information for calling relevant voice or video.
Step 405:DC returns to the 4th sip message.
Step 406:T-CN sends the 5th sip message (ACK) to DC, completes the session establishment for being used for monitoring service.
Core net will communicate folk prescription later or the multi-party voice or media stream data of treated communication is sent to scheduling
Platform is realized and is monitored.
Step 407: after the session establishment for monitoring service between core net and dispatching desk, when monitored terminal or
When group call discharges or when dispatching desk is not desired to monitor again, sends the 6th sip message and built by core net or dispatching desk release
The vertical dialogue for monitoring service.
Step 408: terminating this monitoring service after dispatching desk or core net the 7th sip message of return.
According to another embodiment of the application, as shown in figure 4, first sip message is MESSAGE message；Described second
Sip message is 200OK message；The third sip message is to invite (INVITE) request；4th sip message is 200OK response；
5th sip message is ACK, and the 6th sip message is BYE, and the 7th sip message is 200OK.
According to another embodiment of the application, first sip message carries service identification pttDLconfig, extension message
The number of carrying monitor terminal or group number (one or more) and effective monitoring duration in body.Eventually for each monitoring
Hold number or group number, carry operation mark operate, if operation mark value is Add, instruction addition monitor terminal or
Group；If operation mark value is Delete, monitor terminal or group are deleted；
In the above process, the first sip message (MESSAGE) is the message of expanded definition of the present invention, the tool of the message body
Body is defined on explained later.Its corresponding second sip message (200OK) does not extend.Third sip message (INVTE) and the 4th
Sip message (200OK) is multiplexed " 2013-2448T-YD_B-TrunC system interface technical requirements (first stage) cluster core net
To dispatching desk interface " specification in " 7.6.1 call setup ", " 7.13.4 individual calling, group calling establish success response ".5th
Sip message (ACK), the 6th sip message (BYE) and the 7th sip message (200OK) do not extend.
First sip message (MESSAGE) is used to be arranged, cancel the message of intercepted user and group.
Sending direction are as follows: DC- > T-CN；
Function description: DC initiates user or setting request is monitored by group；
Whether extend: being, header field and message body extension.
Entire MESSAGE message package is as follows:
It is as shown in table 1 to extend message body parameter, wherein extension message header (Ptt-Extension): pttDLconfig；
PttDLconfig is the task identifier that intercepted user or group is arranged.Extend message body type are as follows: application/
pttDLconfig+xml.It is as follows to extend other each parameters in message body:
Records is pttDLconfig daughter element, for describing eavesdropping target's list；
Count is records element property, and meaning is the total number of member record；
Record is records daughter element, for recording the call-information of eavesdropping target；
Operate is record element property, for the action type of record, Add: is increased；Delete: it deletes, that is, takes
Disappear.
UDN can be the number UDN of terminal for indicating user/group/dispatching desk mark for record daughter element
The number GDN that can also make group, is distinguished by utype.Utype value 1 is terminal, and 2 be group, and 3 be dispatching desk, and 4 be to take the photograph
As head.
Duration is option, is record daughter element, shows the duration monitored, unit is minute.
Table 1
The embodiment of the present application also provides the system that a kind of pair of terminal or group are monitored, which is based on broadband cluster
Communication system, including core net and dispatching desk；
The dispatching desk generates the setting information of intercepted user or group, and the setting information is sent to broadband collection
The core net of group communication system saves；Receive the audio/video flow data of intercepted user or group from core net；
The core net is used to receive and save the setting information of intercepted user or group, when discovery intercepted user or
When there is calling in group, core net sends out setup requests to dispatching desk, establishes the dialogue for monitoring service；By described
For the dialogue of monitoring service, core net transmits the audio/video flow data of intercepted user or group to dispatching desk.
According to another embodiment of the application, the session establishment for monitoring service is between core net and dispatching desk
D interface on.
According to another embodiment of the application, dispatching desk is used to send the first sip message to core net, notifies user or group
The monitoring setting information of group；
The core net is used for after receiving the first sip message, sends the second sip message to dispatching desk, notice receives
Monitor setting request.
It include intercepted user or group according to another embodiment of the application, in the header field of first sip message
Service identification；When extending the group number and effective monitoring of the number or monitored group that carry intercepted user in message body
It is long.
According to another embodiment of the application, the core net is used for when finding that monitored terminal or group have calling,
Third sip message is sent to dispatching desk, wherein carrying the media parameter information for calling relevant voice or video；And it is receiving
After 4th sip message of arrival self scheduling platform, the 5th sip message is sent to dispatching desk, is completed in the session establishment of monitoring service；
The dispatching desk is used for after receiving the third sip message from core net, is returned to the 4th SIP to core net and is disappeared
Breath, session establishment success of the confirmation for monitoring service.
Extension message header, the extension are carried according to another embodiment of the application, in the header field of the first message body
Message header is used to carry the task identifier of setting intercepted user or group.
According to another embodiment of the application, following parameter is carried in the extension message body of first sip message:
For describing the first parameter of eavesdropping target's list；
For describing the second parameter of the total number of member record；
For recording the third parameter of the call-information of eavesdropping target；
4th parameter of the action type for record；4th parameter includes at least two values, the first value table
Show increase, the second value indicates to delete；
For indicating the 5th parameter of user/group/dispatching desk mark；
The 6th parameter for the duration for showing to monitor.
According to another embodiment of the application, the core net or dispatching desk are further used for when monitored terminal or group
When calling release or when dispatching desk is not desired to monitor again, what transmission the 6th sip message (BYE) release was established is used for monitoring service
Dialogue, dispatching desk or core net, which return to the 7th sip message (200OK), terminates this monitoring service.Sip message described herein
(BYE) it is not extended with sip message (200OK)
The invention proposes one kind for " broadband cluster communication (B-TrunC) system general technical based on LTE technology is wanted
Ask (first stage) " broadband cluster communication system that defines, pass through extension " 2013-2448T-YD_B-TrunC system interface skill
Art requires (first stage) cluster core net to arrive dispatching desk interface " interface message that defines, realization monitoring users or group, the party
The major advantage of method are as follows:
By extending existing interface message, realizes and preset or cancel monitored user or group.When monitored
When user or group initiate trunked call, what cluster core net synchronized initiates setup requests to dispatching desk, keeps dispatching desk vertical
Monitored.Avoid the intercepted user that dispatching desk may be omitted or the call-information that group most starts.
It extends message and is based on existing open interface and agreement, setting is supported by expanded definition message or cancel monitored
User terminal and group and the effective time persistently monitored.Extension is easy, realizes and is easy.Dispatching desk is directly supervised simultaneously
Business is listened, not against other additional equipment, is realized simple.
When intercepted user terminal or group establish multimedia cluster calling, synchronous the establishing of cluster core net is requested
The a variety of media parameter of middle carrying is sent to dispatching desk.After the completion of setup requests, the multi-medium datas such as audio-video pass through core
After the processing of heart net, synchronize and be sent to dispatching desk, may be implemented dispatching desk directly carry out monitoring visual individual calling, visual group more matchmakers such as exhale
Body trunked call.
The foregoing is merely the preferred embodiments of the application, not to limit the protection scope of the application, it is all
Within the spirit and principle of technical scheme, any modification, equivalent substitution, improvement and etc. done should be included in this Shen
Within the scope of please protecting.
Claims (16)
1. the method that a kind of pair of terminal or group are monitored characterized by comprising
A, dispatching desk generates the setting information of intercepted user or group, and the setting information is sent to broadband cluster communication
The core net of system saves；
B, when the core net finds that intercepted user or group have calling, core net sends out setup requests to dispatching desk,
Establish the dialogue for monitoring service；
C, in the dialogue for monitoring service, core net transmits the audio/video flow of intercepted user or group to dispatching desk
Data.
2. the method according to claim 1, wherein the session establishment for monitoring service core net with
On D interface between dispatching desk.
3. the method according to claim 1, wherein the step A includes:
A1, dispatching desk send the first sip message to core net, notify the monitoring setting information of user or group；
A2, core net send the second sip message to dispatching desk, and notice receives monitoring setting request.
4. according to the method described in claim 3, it is characterized in that, including monitored use in the header field of first sip message
The service identification of family or group；Extend the group number and prison of number or monitored group that intercepted user is carried in message body
Control effective time.
5. according to the method described in claim 3, it is characterized in that, step B includes:
B1, intercepted user terminal or group establish calling；
B2, when core net finds that there are calling in monitored terminal or group, third sip message is sent to dispatching desk, wherein carrying
Call the media parameter information of relevant voice or video；
B3, dispatching desk return to the 4th sip message, session establishment success of the confirmation for monitoring service to core net；
B4, core net send the 5th sip message to dispatching desk, complete the session establishment for being used for monitoring service.
6. according to the method described in claim 4, it is characterized in that, carrying extension message in the header field of first sip message
Head, the extension message header are used to carry the task identifier of setting intercepted user or group.
7. according to the method described in claim 6, it is characterized in that, being carried such as in the extension message body of first sip message
Lower parameter:
For describing the first parameter of eavesdropping target's list；
For describing the second parameter of the total number of member record；
For recording the third parameter of the call-information of eavesdropping target；
4th parameter of the action type for record；4th parameter includes at least two values, and the first value indicates to increase
Add, the second value indicates to delete；
For indicating the 5th parameter of user/group/dispatching desk mark；
The 6th parameter for the duration for showing to monitor.
8. method according to any one of claims 1 to 7, which is characterized in that this method further comprises: for monitoring industry
After the session establishment of business, when monitored terminal or group call discharge or when dispatching desk is not desired to monitor again, by core net or
Dispatching desk sends the 6th sip message and discharges the dialogue for monitoring service established, and dispatching desk or core net return to the 7th SIP
Terminate this monitoring service after message.
9. the system that a kind of pair of terminal or group are monitored, which is characterized in that the system is based on broadband cluster communication system, packet
Include core net and dispatching desk；
The dispatching desk generates the setting information of intercepted user or group, and the setting information is sent to broadband cluster and is led to
The core net of letter system saves；Receive the audio/video flow data of intercepted user or group from core net；
The core net is used to receive and save the setting information of intercepted user or group, when discovery intercepted user or group
When having calling, core net sends out setup requests to dispatching desk, establishes the dialogue for monitoring service；It is used for by described
The dialogue of monitoring service, core net transmit the audio/video flow data of intercepted user or group to dispatching desk.
10. system according to claim 9, which is characterized in that the session establishment for monitoring service is in core net
On D interface between dispatching desk.
11. system according to claim 9, which is characterized in that dispatching desk is used to send the first sip message to core net,
Notify the monitoring setting information of user or group；
The core net is used for after receiving the first sip message, sends the second sip message to dispatching desk, notice receives monitoring
Setting request.
12. system according to claim 11, which is characterized in that include monitored in the header field of first sip message
The service identification of user or group；Extend message body in carry intercepted user number or monitored group group number and
Effective monitoring duration.
13. system according to claim 11, which is characterized in that
The core net is used for when finding that monitored terminal or group have calling, sends third sip message to dispatching desk, wherein
Carry the media parameter information for calling relevant voice or video；And after receiving the 4th sip message from dispatching desk,
The 5th sip message is sent to dispatching desk, completes the session establishment for being used for monitoring service；
The dispatching desk is used for after receiving the third sip message from core net, returns to the 4th sip message to core net, really
Recognize the session establishment success for monitoring service.
14. system according to claim 13, which is characterized in that carry extension in the header field of first sip message and disappear
Head is ceased, the extension message header is used to carry the task identifier of setting intercepted user or group.
15. system according to claim 13, which is characterized in that carried in the extension message body of first sip message
Following parameter:
For describing the first parameter of eavesdropping target's list；
For describing the second parameter of the total number of member record；
For recording the third parameter of the call-information of eavesdropping target；
4th parameter of the action type for record；4th parameter includes at least two values, and the first value indicates to increase
Add, the second value indicates to delete；
For indicating the 5th parameter of user/group/dispatching desk mark；
The 6th parameter for the duration for showing to monitor.
16. according to the described in any item systems of claim 9 to 15, which is characterized in that the core net or dispatching desk are further
For sending the release of the 6th sip message when monitored terminal or group call release or when dispatching desk is not desired to monitor again
The dialogue for monitoring service established, dispatching desk or core net terminate this monitoring service after returning to the 7th sip message.
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| CN108259411B (en) * | 2016-12-28 | 2021-08-06 | 普天信息技术有限公司 | Communication optimization method of video push service, cluster control function body and dispatching desk |
| CN106851597A (en) * | 2017-03-21 | 2017-06-13 | 北京国交信通科技发展有限公司 | Cluster multi call call text messages transmission method |
| CN107948207A (en) * | 2018-01-05 | 2018-04-20 | 北京全路通信信号研究设计院集团有限公司 | A kind of track traffic broadband cluster system and communication means |
| CN111586734B (en) * | 2019-02-15 | 2023-03-31 | 成都鼎桥通信技术有限公司 | Meticulous monitoring method and meticulous monitoring system for group in LTE broadband cluster |
| CN112351145B (en) * | 2020-10-27 | 2021-12-28 | 山东亚华电子股份有限公司 | Monitoring control method and device based on P2P call |
| CN112769751B (en) * | 2020-12-11 | 2022-04-19 | 武汉虹信科技发展有限责任公司 | Recording method and device |
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