CN101800944A - Method and device for triggering trunk information updating by sending message through acceptance side - Google Patents

Method and device for triggering trunk information updating by sending message through acceptance side Download PDF

Info

Publication number
CN101800944A
CN101800944A CN201010129890A CN201010129890A CN101800944A CN 101800944 A CN101800944 A CN 101800944A CN 201010129890 A CN201010129890 A CN 201010129890A CN 201010129890 A CN201010129890 A CN 201010129890A CN 101800944 A CN101800944 A CN 101800944A
Authority
CN
China
Prior art keywords
group
management
notification message
information
dispatch server
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201010129890A
Other languages
Chinese (zh)
Other versions
CN101800944B (en
Inventor
李曦滨
陶恒
张晓霞
刘宓
张书良
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing ZTE Gundam Communication Technology Co.,Ltd.
Original Assignee
ZTE Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ZTE Corp filed Critical ZTE Corp
Priority to CN201010129890.8A priority Critical patent/CN101800944B/en
Publication of CN101800944A publication Critical patent/CN101800944A/en
Application granted granted Critical
Publication of CN101800944B publication Critical patent/CN101800944B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Abstract

The invention relates to the field of digital trunk communication, and provides a method for triggering trunk information updating through trunk management by an acceptance side in a digital trunked system. The method comprises a step that: after performing trunk management operation on a trunk, the acceptance side initiatively sends a notification message to a dispatch server, and starts up a terminal trunk information updating flow according to the sent notification message so as to trigger an influenced terminal to synchronously change trunk or trunk member information in real time. The method solves the problem that the conventional acceptance side cannot update the trunk information in real time, standardizes the trunk management flow and simultaneously improves the security of grouping calls and effectiveness of operation.

Description

The method of triggering trunk information updating by sending message through acceptance side and device
Technical field
In the digital cluster communication of the present invention field, particularly CDMA2000 digital cluster system, accept side initiatively to method that dispatch server sends a notification message, install and accept side group group management success after, the method for triggering terminal group information updating.
Background technology
Trunking communication is meant a kind of dispatching communication mode of special use, comprises special-purpose commander and dispatching communication, and in use cluster user can add calling simultaneously, and conversation is with half-duplex mode work.Comprise that in broad terms the various wireless communication systems with dispatching communication function of wireless intercom system all can include the category of trunked communication system in.
Trunking communication has been experienced simple intercom system (intercommunication form one to one) to single base station mini system (joining common-frequency simplex network construction form, alien frequencies list (two) worker network construction form, the single channel form of getting ready to go into action in hundreds, band selective call form, the multichannel form that dials automatically), arrive the development course of big capacity multizone system (the multichannel user shares form) again, after experienced again from the simulation cluster to the leap of Digital Clustering, this leap makes trunking communication at signalling coding, the multi-access mode that adopts, speech coding, modulation-demodulation technique, simultaneous techniques, aspect such as error-detection error-correction and diversity technique all can adopt more reliable digital processing mode.Two kinds of digital cluster systems of extensive use at present are based on the iDEN (integratedDigital Enhanced Network) and the TETRA (Terrestrial Trunked Radio) of TDMA multiple access technology.In order to promote the sizable application of digital cluster system, further boost the efficiency of frequency resources utilization simultaneously, trunked communication system a new application trend occurred on using, the unification that exactly a plurality of digital cluster systems combined is used and is managed, thereby be able to share channel and channel, share overlay area, communication service, carry on a shoulder pole the purpose of expense altogether, cluster application realizes the common network operation from developing into towards indivedual professional users towards a plurality of group users the most at last.
Accept that side refers to accept that digital cluster system group, user, group, group member open an account, the system of cancellation, account change, rights management.Accepting side can be system such as the tent that is independent of the digital cluster system independent operation; Also can be the handling desk of digital cluster system or database input/output interface (follow-up abbreviation DBIO) etc.The side of accepting of the present invention includes but not limited to tent, handling desk and DBIO.
Digital cluster system has terminal, dispatching desk client and accepts three kinds of approach of side and carry out management and group.For simplifying follow-up paging, the management and group of various approach all needs final group information is synchronized to terminal.When Chinese patent CN200710176180.9 has proposed the terminal wireless management and group, the optimization method of group information updating; Chinese patent CN200710138556.7 has proposed to be undertaken by the network side dispatching client method of management and group triggering terminal group information updating; Manage the change that causes group information and accept the side group group, at present can't real-time informing to dispatch server, do not have to make yet and accept side and initiatively inform that to the method that dispatch server sends a notification message the dispatch server group information changes, cause the terminal group information that can not upgrade in time.
Summary of the invention
One of purpose of the present invention is the defective at above-mentioned prior art, aims to provide a kind of side of accepting in the method to initiatively sending a notification message to dispatch server after the management and group success.
The present invention accepts the method that side initiatively sends a notification message to dispatch server and may further comprise the steps:
Judge whether successfully to accept side carries out the management and group operation to group;
According to group being managed the successful result of operation, identification is to the action type of management and group;
If above-mentioned management action type for revise, deletion group or newly-increased, revise, deletion group member information, then send a notification message to dispatch server; Otherwise, process ends.
Wherein, the described side of accepting comprises at least a among tent, handling desk and the DBIO.
Preferably, the described side of accepting manages operation to group and also comprises: inquiry, newly-increased group or inquiry group member information.
Preferably, the action type of described identification management and group may further comprise the steps:
Judge whether the operation of described management and group is newly-increased group, inquiry group or group member information, in this way, process ends then, otherwise enter next step.
Preferably, the described step that sends a notification message to dispatch server comprises:
When described management and group operation is modification or deletion groups operation, then in described notification message, add operated group information and action type;
When described management and group operation is when increasing, modifying or deleting the group member operation, then also to increase operated group member information except that adding operated group information and action type in described notification message.
Another object of the present invention is to provide a kind of the realization to accept the device that the side direction dispatch server initiatively sends a notification message, and comprising:
The management and group judge module is used for judging whether successful accept side operates to the group of dispatching home location register and the management and group of group member information;
The management and group identification module is used for after operating successfully to management and group, identification management and group action type and
Message transmission module after being used for management and group and operating successfully, initiatively sends a notification message to dispatch server.
Preferably, described message transmission module comprises the message taxon,
The management and group action type that is identified when described management and group identification module is to revise or during the deletion groups operation, described message taxon adds group information and action type information in notification message;
The management and group action type that is identified when described management and group identification module is that described message taxon adds group and group member information and action type information when increasing, modifying or deleting the group member operation in notification message.
Preferably, described action type comprises inquiry, increases, revises, deletes group or inquiry newly, increases, revises, deletes group member information newly.
Another purpose of the present invention is, improves with regard to the existing side group group management process of accepting, and a kind of method of accepting the information updating of side group group management trigger endpoint groups is provided, and this method may further comprise the steps:
Judge whether successfully to accept side carries out the management and group operation to group;
According to group being managed the successful result of operation, identification manages operation types to group;
If above-mentioned management action type for revise, deletion group or newly-increased, revise, deletion group member information, then send a notification message to dispatch server; Otherwise, process ends;
Dispatch server starts endpoint groups information updating flow process.
Preferably, accept side carries out management and group operation to group before, also comprise step described:
Accept the side direction dispatching home location register and initiate the management and group request, if request failure, then process ends; Otherwise, enter next step.
Preferably, after dispatch server sends a notification message, further comprising the steps of described:
Dispatch server is accepted to reply to accepting the change of side transmission group information; Reply as described and be refusal, process ends then, otherwise, enter next step.
Dispatch server accept described accept the notification message that side sends after, the endpoint groups information updating flow process of triggering following is in time carried out real-time update in terminal with amended group information.
Method of accepting side group group management trigger group information updating of the present invention has solved and can't realize in the prior art carrying out the defective of flip flop group group information updating after the management and group by accepting side.It is after management and group is operated successfully, accept side and initiatively send group information change notification message to dispatch server, by this Signalling exchange, realization accept side with the management and group operational notification to dispatch server, with triggering terminal real-time update group information, accept the drawback that the management of side group group can not update to terminal in the prior art thereby solved, improved the real-time and the accuracy of terminal access paging.
Description of drawings
Fig. 1 is the network topological diagram of digital cluster system of the present invention;
Fig. 2 is a flow chart of accepting side group group management trigger real time group group information updating in one embodiment of the present of invention;
Fig. 3 is a sequential schematic diagram of accepting the information updating of side group group management trigger endpoint groups in one embodiment of the present of invention;
Fig. 4 accepts the flow chart that the side direction dispatch server initiatively sends a notification message in one embodiment of the present of invention;
Fig. 5 realizes accepting the structure drawing of device that the side direction dispatch server initiatively sends a notification message in the one embodiment of the invention.
The realization of the object of the invention, functional characteristics and advantage will be in conjunction with the embodiments, are described further below with reference to Figure of description.
Embodiment
Below in conjunction with the drawings and the specific embodiments technical scheme of the present invention is described in further detail.
Fig. 1 is the network topological diagram of digital cluster system of the present invention, and it comprises following part:
MS: colony terminal, support storing subscriber information, group information, and respond the terminal equipment of group services such as paging.
BSS: base station sub-system, comprise the transceiver (BTS) of supporting trunked call, base station controller (BSC) and with the mutual dispatching desk client (PDC) of network side.
PDS: dispatch server, the functions such as calling control, right of speech management, user and cluster conversation condition managing of realization trunked call.
PHR: dispatching home location register, the information such as registration, position and group of preservation cluster user and group realize authentication, mandate and billing function to cluster user.
DBIO: database input/output module in the digital cluster system, accept the management service of group, user, group and group member.
Handling desk: the module of accepting group, user, group, group member management business in the digital cluster system.
Tent: be independent of digital cluster system, realize the management platform that group, user, group, group member are accepted operation in the digital cluster system.
DAS: the dispatching desk server, handle the service request that the dispatching desk client is sent, and the Signalling exchange between processing and dispatch server.
DAC: the dispatching desk client, comprise dispatching desk and turnkey console, the dispatching desk client is one of operating platform of management and group.
The group system that present embodiment is formed based on each part mentioned above by accepting side to management and group and triggering terminal device cluster group information updating is realized improving terminal equipment and inserted the real-time of paging and the purpose of accuracy, below will elaborate its method.
Fig. 2 is a flow chart of accepting side group group management trigger terminal real-time update group information in the present embodiment.
With reference to Fig. 2, described method of accepting side group group management trigger terminal real time group group information updating may further comprise the steps:
Step S1 accepts side direction dispatching home location register (PHR) and initiates the management and group request, if ask successfully, enters step S2; Otherwise, process ends then.
Step S2 accepts side group is carried out the management and group operation.
Step S3, if above-mentioned management action type for revise, deletion group or newly-increased, revise, deletion group member information, then send a notification message to dispatch server; Otherwise, process ends.
Step S4, dispatch server sends group information and changes and accept to reply to accepting side, and replying as this is refusal, process ends then, otherwise, enter step S5.
Step S5, dispatch server start endpoint groups information updating flow process.
Wherein, the described side of accepting comprises at least a among tent, handling desk and the DBIO; The operation of described management and group comprise inquiry, newly-increased, revise, deletion group or inquiry, newly-increased, revise, delete operation such as group member.
Behind step S2, also comprise step: if the management and group operation failure, then flow process finishes; Otherwise, enter step S3.
In step S3, also comprise step:
If what accept that side carries out is to revise or the deletion groups operation, then in described notification message, add operated group information and action type; If what carry out is to increase, modify or delete the group member operation, then also increasing except that adding operated group information in described notification message has operated group member information.
In step S5, the endpoint groups information updating flow process of dispatch server (PDS) triggering following is updated to terminal in time with amended group information.The sequential sequencing of each step of this method please refer to shown in Figure 3.
Because of the group information updating technology is a prior art, the present invention is not described in detail in this.
Accepting how initiatively side send a notification message to the dispatching desk server is an important component part of accepting the method for side group group management trigger real time group group information updating, also be key point of the present invention, below elaborate and accept method that side initiatively sends a notification message to dispatch server and the device of implementing this method.
Fig. 4 is a flow chart of accepting the method that side direction dispatch server (PDS) initiatively sends a notification message in the present embodiment, and it may further comprise the steps:
Step S10 judges and accepts side is carried out the management and group operation to group result;
Step S20 is if the action type that management and group is operated is then discerned in the success of described bookkeeping;
Step S30 according to the management and group action type of being discerned, sends different notification messages to dispatch server (PDS).
In execution in step S10, accept side and judge whether the group information in the dispatching home location register is operated successfully by management and group; In this way, execution in step S20 then, otherwise, process ends.
In step S20, discern the action type of management and group operation, described action type comprises inquiry, increases, revises, deletes group information or inquiry newly, increases, revises, deletes group member information newly;
In step S30, accept after side identifies management and group operation, initiatively send a notification message according to the management and group action type to dispatch server (PDS).
This method is further comprising the steps of before step S30:
When the operation of described management and group is newly-increased group, inquiry group or group member information, process ends then, otherwise enter next step, promptly send a notification message to dispatch server (PDS).
In the above-mentioned flow process, do not have group member during because of newly-increased group, do not relate to the change of group or group member information when inquiry group or group member, so these two operations do not need to carry out group information updating.Other bookkeeping, as: revise, deletion group and newly-increased, revise the deletion group member and operate successfully after, accepting side all needs initiatively to send group information change notification message to dispatch server, and notice group or group member information change, with the group information updating of triggering terminal.
In the present embodiment, the structure that the device that side 1 initiatively sends a notification message to dispatch server is accepted in described realization as shown in Figure 5, it belongs to a part (accept side 1 and also comprise group management module 11 etc.) of accepting side 1, comprises management and group judge module 12, management and group identification module 13 and message transmission module 14.
Management and group judge module 12 is used for judging whether successful the group management module of accepting side 1 operates to the group of dispatching home location register and the management and group of group member information.
Management and group identification module 13 is used to discern the action type of management and group, and described action type comprises inquiry, increases, revises, deletes group or inquiry newly, increases, revises, deletes group member information newly.
Message transmission module 14 is used for management and group operate successfully after, initiatively send a notification message to dispatch server, it further comprises message taxon 141:
The management and group action type that is identified when described management and group identification module 13 is to revise or during the deletion groups operation, then described message taxon 141 adds group information and action type information in described notification message;
The management and group action type that is identified when described management and group identification module 13 is that then described message taxon 141 adds group and group member information and action type information simultaneously when increasing, modifying or deleting the group member operation in described notification message.
After the present invention proposes in a kind of digital cluster system the management and group success, the mechanism of accepting the proactive notification of side direction dispatch server.Accept side group group management success, cause group or group member information to change after, accept the side direction dispatch server and send group information and change notification message, upgrade the method for group or group member information in real time synchronously to trigger influenced terminal.This improving one's methods solved and accepted side when group is managed, problem that can not the real-time update group information, standard the flow process of management and group, also improved the confidentiality of trunked call and the actual effect of operation simultaneously.
The above only is the preferred embodiments of the present invention; be not so limit its claim; every equivalent structure or equivalent flow process conversion that utilizes specification of the present invention and accompanying drawing content to be done; directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present invention.

Claims (11)

1. accept the method that side initiatively sends a notification message to dispatch server for one kind, it is characterized in that, may further comprise the steps:
Judge whether successfully to accept side manages operation to group;
According to group being managed the successful result of operation, identification manages operation types to group;
If above-mentioned management action type for revise, deletion group or newly-increased, revise, deletion group member information, then send a notification message to dispatch server; Otherwise, process ends.
2. the method that sends a notification message to dispatch server as claimed in claim 1 is characterized in that, describedly group is managed operation also comprises: inquiry, newly-increased group or inquiry group member information.
3. the method that sends a notification message to dispatch server as claimed in claim 2 is characterized in that, describedly comprises in the step that dispatch server sends a notification message:
When described management and group operation is modification or deletion groups operation, then in described notification message, add operated group information and action type;
When described management and group operation is when increasing, modifying or deleting the group member operation, then also to increase operated group member information except that adding operated group information and action type in described notification message.
4. the method that sends a notification message to dispatch server as claimed in claim 1 is characterized in that, the described side of accepting comprises at least a among tent, handling desk and the DBIO.
5. the device that the side direction dispatch server initiatively sends a notification message is accepted in a realization, it is characterized in that, comprising:
The management and group judge module judges whether successful accept side operates to the management and group of group in the dispatching home location register and group member information;
The management and group identification module, according to group being managed the successful result of operation, identification manages operation types to group; With
Message transmission module according to described bookkeeping type, sends a notification message to dispatch server.
6. device as claimed in claim 5 is characterized in that, described notification message sending module comprises the message taxon;
The management and group action type that is identified when described management and group identification module is to revise or the deletion groups operation, and then described message taxon adds group information and action type information in notification message;
The management and group action type that is identified when described management and group identification module is to increase, modify or delete the group member operation, and then described message taxon adds group, group member and action type information in notification message.
7. device as claimed in claim 5 is characterized in that, described action type comprises inquiry, increases, revises, deletes group or inquiry newly, increases, revises, deletes group member newly.
8. a method of accepting the information updating of side group group management trigger endpoint groups comprises that accepting side manages operation to group, it is characterized in that, is accepting after side manages operation to group, and is further comprising the steps of:
Judge whether successfully to accept side manages operation to group;
According to group being managed the successful result of operation, identification manages operation types to group;
If above-mentioned management action type for revise, deletion group or newly-increased, revise, deletion group member information, then send a notification message to dispatch server; Otherwise, process ends;
Dispatch server starts endpoint groups information updating flow process.
9. the method for group information updating as claimed in claim 8 is characterized in that, described bookkeeping type also comprises: inquiry, newly-increased group or inquiry group member information.
10. the method for group information updating as claimed in claim 8 is characterized in that, accepts before side manages operation to group described, also comprises step:
Accept the side direction dispatching home location register and initiate the management and group request, if request failure, then process ends; Otherwise, accept side group managed operation.
11. the method as claim 8,9 or 10 described group information updatings is characterized in that, and is after dispatch server sends a notification message, further comprising the steps of described:
Dispatch server is accepted to reply to accepting the change of side transmission group information; As reply and be refusal, process ends then, otherwise dispatch server starts endpoint groups information updating flow process.
CN201010129890.8A 2010-03-19 2010-03-19 The method of triggering trunk information updating by sending message through acceptance side and device Active CN101800944B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201010129890.8A CN101800944B (en) 2010-03-19 2010-03-19 The method of triggering trunk information updating by sending message through acceptance side and device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201010129890.8A CN101800944B (en) 2010-03-19 2010-03-19 The method of triggering trunk information updating by sending message through acceptance side and device

Publications (2)

Publication Number Publication Date
CN101800944A true CN101800944A (en) 2010-08-11
CN101800944B CN101800944B (en) 2016-03-02

Family

ID=42596384

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201010129890.8A Active CN101800944B (en) 2010-03-19 2010-03-19 The method of triggering trunk information updating by sending message through acceptance side and device

Country Status (1)

Country Link
CN (1) CN101800944B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101902770A (en) * 2010-08-20 2010-12-01 中兴通讯股份有限公司 Dispatching subsystem for digital trunking communication system and business acceptance method thereof
CN103874026A (en) * 2012-12-13 2014-06-18 中国电信股份有限公司 Method and system for realizing group calling in PTT system, and user terminal

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060250721A1 (en) * 2005-04-12 2006-11-09 Kazuya Suzuki Recording apparatus
CN101056432A (en) * 2006-04-14 2007-10-17 中兴通讯股份有限公司 Implementation method for the busy prompt service in the digital cluster communication system
CN101090531A (en) * 2007-08-01 2007-12-19 中兴通讯股份有限公司 Real-time trigger group information synchronous method for network side in trunking communication system
CN101106762A (en) * 2006-11-17 2008-01-16 中兴通讯股份有限公司 A method for periodical release of idle calls in digital cluster system
CN101137133A (en) * 2007-10-22 2008-03-05 中兴通讯股份有限公司 Method and apparatus for updating group information of cluster system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060250721A1 (en) * 2005-04-12 2006-11-09 Kazuya Suzuki Recording apparatus
CN101056432A (en) * 2006-04-14 2007-10-17 中兴通讯股份有限公司 Implementation method for the busy prompt service in the digital cluster communication system
CN101106762A (en) * 2006-11-17 2008-01-16 中兴通讯股份有限公司 A method for periodical release of idle calls in digital cluster system
CN101090531A (en) * 2007-08-01 2007-12-19 中兴通讯股份有限公司 Real-time trigger group information synchronous method for network side in trunking communication system
CN101137133A (en) * 2007-10-22 2008-03-05 中兴通讯股份有限公司 Method and apparatus for updating group information of cluster system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101902770A (en) * 2010-08-20 2010-12-01 中兴通讯股份有限公司 Dispatching subsystem for digital trunking communication system and business acceptance method thereof
CN101902770B (en) * 2010-08-20 2015-06-24 中兴通讯股份有限公司 Dispatching subsystem for digital trunking communication system and business acceptance method thereof
CN103874026A (en) * 2012-12-13 2014-06-18 中国电信股份有限公司 Method and system for realizing group calling in PTT system, and user terminal
CN103874026B (en) * 2012-12-13 2018-04-06 中国电信股份有限公司 Method, system and user terminal that group is exhaled are realized in PTT systems

Also Published As

Publication number Publication date
CN101800944B (en) 2016-03-02

Similar Documents

Publication Publication Date Title
CN100461897C (en) Trunking communication dynamic reconfiguration method
CN101374355B (en) Method and apparatus for implementing local exchange
CN101072390B (en) Dynamic group management method for digital trunking communication system
CN100455070C (en) Establishment and control for CDMA digital packet calling
CN109640274B (en) Short message sending method and device based on block chain and computer readable storage medium
CN100407819C (en) Method for monitoring cluster service process and cluster communication system
CN100488316C (en) Method for realizing service priority in CDMA cluster system
WO2009015526A1 (en) Method for triggering group information synchronization in real time on network side in cluster communication system
CN1332576C (en) Method and system for realizing concentration service to dynamic establish user group
CN102083008A (en) Method and system for dynamic management of colony terminal automatic grouping members
CN101707745B (en) Method, system and device for selecting call groups
CN101984682A (en) Method and system for realizing cluster conversation in single-station mode
CN100486374C (en) Control method for mobile station remote killing/reviving operation in CDMA digital group system
CN101521876B (en) System and method for remote-closing/ resurrection of value aggregate terminal
CN101119539B (en) Method to implement inhibition, revival function in digital cluster system
CN101370191B (en) Method and system for launching group call by user outside group
CN101083804A (en) Realizing method for packet member to perform temporary scheduling by digital cluster communication system
CN101141707B (en) Digital cluster system and cluster call establishment and release method
CN101090530A (en) Method for terminal in digital trunking communication system active late into group calling
CN101610454A (en) Wait for implementation method, terminal and the system of cluster user group in the group system
CN101800944B (en) The method of triggering trunk information updating by sending message through acceptance side and device
CN100384265C (en) A method for identifying different cluster groups
CN100461901C (en) Method for realizing CDMA traditional packet digital calling talk process
CN107197535A (en) A kind of cluster the whole network call control method and apparatus
CN107241706B (en) Method for implementing multi-dispatching desk forced-dismantling service in broadband cluster communication system

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20210304

Address after: 801-6, 8 / F, building 52, 2 Jingyuan North Street, Beijing Economic and Technological Development Zone, Daxing District, Beijing

Patentee after: Beijing ZTE Gundam Communication Technology Co.,Ltd.

Address before: 518057 Ministry of justice, Zhongxing building, South Science and technology road, Nanshan District hi tech Industrial Park, Shenzhen, Guangdong

Patentee before: ZTE Corp.