CN103874026B - Method, system and user terminal that group is exhaled are realized in PTT systems - Google Patents
Method, system and user terminal that group is exhaled are realized in PTT systems Download PDFInfo
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Abstract
A kind of this disclosure relates to method, system and user terminal that group is realized in PTT systems and is exhaled.This method includes obtaining the group information related to user, and group identification and the group priority information associated with group identification are comprised at least in group information；When user is in the first group call, in response to calling of other groups to user, ptt server is received to Client-initiated beep-page message, the identification information of other groups is comprised at least in beep-page message；According to the priority of other groups of the group information of acquisition He the identification information-enquiry of other groups, by the priority of other groups compared with the priority of the first group, if the priority of other groups is higher than the priority of the first group, then hang up the calling of the first group and connect the calling of other groups, otherwise, refuse the calling of other groups and continue to keep the calling of the first group.When the disclosure reduces group Huyan and ptt server live load.
Description
Technical Field
The present disclosure relates to the field of digital trunking communications, and in particular, to a method, a system, and a user terminal for implementing group call in a PTT system.
Background
PTT (Push to Talk)/digital trunking communication service is also called "Push to Talk" service, and refers to "point-to-point" and "point-to-multipoint" voice communication services. The PTT service adopts a half-duplex communication mode, namely only one person can talk at the same time so as to be convenient for group communication, a calling party can initiate a conversation to one person or a group of persons only by pressing a key, the telephone is immediately connected without dialing or waiting for the other party to be off-hook, and the conversation is quickly established.
The PTT/digital trunking communication system can be divided into a private network system and a shared network system in an operation manner.
The private network system is a wireless dispatching command communication system only used in a certain industry or a certain department, the investment, construction, operation maintenance and the like of the system are all born by the industry or the department, and early trunking systems mostly belong to the type.
The common network system is a trunking communication system in which a physical network is invested, built and operated and maintained by professional telecommunication operation enterprises and is commonly used by various industries, departments or units with requirements in the society, and has the advantages of high resource utilization rate, low unit cost, wide network coverage, good operation quality, strong sustainable development capability, self-management of user services and the like, and is the development direction of a trunking communication operation system.
At present, the storage and control of the system priority are realized by a PTT server, and the flow is more complex: when a group call arrives at a PTT server, a server side needs to inquire the state of each user in a group corresponding to the group call one by one, if the user is carrying out the group call, the priorities of a new call and an old call are compared, if the priority of the new call is higher, the server initiates the operation of hanging up the old call and then accessing the new call to each related user one by one, especially when the group call relates to more users, a larger burden is generated on the server, and meanwhile, the state of each user is judged on the server side, so that the time delay of the call is seriously increased, and the user experience is remarkably reduced.
Disclosure of Invention
The present disclosure proposes a new technical solution in view of at least one of the above problems.
The present disclosure provides, in one aspect thereof, a method for implementing group call in a PTT system, which reduces group call latency and workload of a PTT server.
The present disclosure provides a user terminal in another aspect thereof, which reduces group call delay and workload of a PTT server.
The present disclosure provides, in yet another aspect thereof, a system for implementing group calls in a PTT system, which reduces group call latency and workload of a PTT server.
According to the present disclosure, a method for implementing group calling in a PTT system is provided, including:
acquiring group information related to a user, storing the group information in a user terminal, wherein the user signs one or more groups, the group information at least comprises a group identifier and group priority information associated with the group identifier, and each group has different priorities;
when a user is in a first group call, responding to the calls of other groups to the user, and receiving a paging message initiated by a PTT server to the user, wherein the paging message at least comprises identification information of other groups;
and inquiring the priority of other groups according to the acquired group information and the identification information of the other groups, comparing the priority of the other groups with the priority of the first group, if the priority of the other groups is higher than the priority of the first group, hanging up the call of the first group and connecting the call of the other groups, and if not, rejecting the call of the other groups and continuing to maintain the call of the first group.
In some embodiments of the present disclosure, the step of obtaining group information related to the user comprises:
when the user terminal is started, the group information is actively requested to the PTT server through the packet domain.
In some embodiments of the present disclosure, the step of obtaining group information related to the user further comprises:
when the user terminal is in a standby state and the group information is changed, the changed group information is requested to the PTT server through the packet domain in response to a group information change notification transmitted from the PTT server.
In some embodiments of the present disclosure, the step of obtaining group information related to the user further comprises:
and when the user terminal is in a calling state and the group information is changed, receiving the changed group information actively pushed by the PTT server.
In some embodiments of the disclosure, the method further comprises:
when a plurality of groups call users in a first group call at the same time, the priority of each group in the plurality of groups is inquired according to the acquired group information and the identification information of the plurality of groups, the highest priority in the plurality of groups is compared with the priority of the first group, if the priority is higher than the priority of the first group, the call of the first group is hung up and the call of the group with the highest priority is connected, otherwise, the calls of the plurality of groups are rejected and the call of the first group is continuously kept.
According to the present disclosure, there is also provided a user terminal, including:
the group information acquisition unit is used for acquiring group information related to a user and storing the group information in a user terminal, the user signs a contract for one or more groups, the group information at least comprises a group identifier and group priority information related to the group identifier, and each group has different priorities;
a paging message receiving unit, configured to receive, when a user is in a first group call, a paging message initiated by a PTT server to the user in response to a call to the user from another group, where the paging message at least includes identification information of the other group;
and the priority processing unit is used for inquiring the priority of other groups according to the acquired group information and the identification information of other groups, comparing the priority of other groups with the priority of the first group, if the priority of other groups is higher than the priority of the first group, hanging up the call of the first group and connecting the call of other groups, and if not, rejecting the call of other groups and keeping the call of the first group.
In some embodiments of the present disclosure, the group information acquisition unit actively requests the group information from the PTT server through the packet domain.
In some embodiments of the present disclosure, when the user terminal is in a standby state and the group information is changed, the group information acquisition unit requests the changed group information to the PTT server through the packet domain in response to a group information change notification sent by the PTT server.
In some embodiments of the present disclosure, when the user terminal is in a call state and the group information changes, the group information acquisition unit receives the changed group information actively pushed by the PTT server.
In some embodiments of the present disclosure, when a plurality of groups simultaneously call a user in a first group call, the priority processing unit queries a priority of each of the plurality of groups according to the acquired group information and identification information of the plurality of groups, compares a highest priority of the plurality of groups with a priority of the first group, and if the highest priority is higher than the priority of the first group, drops the call of the first group and connects the call of the group with the highest priority, otherwise, rejects the call of the plurality of groups and continues to hold the call of the first group.
According to the present disclosure, there is also provided a system for implementing a group call in a PTT system, comprising a PTT server and a user terminal in the foregoing embodiments, wherein,
and the PTT server is used for providing the group information for the user terminal and initiating the paging message to the user terminal.
According to the technical scheme, the priority judgment of each group is transferred from the PTT server to each user terminal, and the judgment of the priority of each user involved in the new group calling is not required to be carried out by the PTT server, so that the situation that the priority of the new group calling is higher than that of the original group calling, the PTT server does not need to hang up each telephone in the original group one by one and then connect each telephone in the new group is avoided, the service flow of the PTT server in the prior art is simplified, meanwhile, when the number of users involved in the group calling is large, the large processing load of the PTT server is avoided, and meanwhile, the time delay for receiving the new group calling is reduced.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosure, are incorporated in and constitute a part of this application. In the drawings:
fig. 1 is a flowchart illustrating a method for implementing a group call in a PTT system according to an embodiment of the present disclosure.
Fig. 2 is a flowchart illustrating a method for implementing a group call in a PTT system according to another embodiment of the present disclosure.
Fig. 3 is a schematic structural diagram of a user terminal according to an embodiment of the present disclosure.
Fig. 4 is a schematic structural diagram of a system for implementing group calling in a PTT system according to an embodiment of the present disclosure.
Detailed Description
The present disclosure will be described below with reference to the accompanying drawings. It is to be noted that the following description is merely illustrative and exemplary in nature and is in no way intended to limit the disclosure, its application, or uses. Unless specifically stated otherwise, the relative arrangement of components and steps and numerical expressions and values set forth in the embodiments do not limit the scope of the present disclosure. Additionally, techniques, methods, and apparatus known to those skilled in the art may not be discussed in detail but are intended to be part of the specification where appropriate.
Fig. 1 is a flowchart illustrating a method for implementing a group call in a PTT system according to an embodiment of the present disclosure.
As shown in fig. 1, this embodiment may include the steps of:
s102, obtaining group information related to users, and storing the group information in a user terminal so as to judge and use when receiving a new group call, wherein the same user can sign one or more call groups, the group information at least comprises a group identification and group priority information related to the group identification, and each group has different priorities;
s104, when the user is in the first group call, responding to the call of other groups to the user, receiving the paging message initiated by the PTT server to the user, wherein the paging message at least comprises the identification information of the other groups initiating the group call, so that the user terminal can identify the priority of the other groups according to the identification information;
s106, according to the acquired group information and the identification information of the other groups, the priority of the other groups is inquired, the priority of the other groups is compared with the priority of the first group where the current user is located, if the priority of the other groups is higher than the priority of the first group, the call of the first group is cut off and the call from the other groups is connected, otherwise, the call from the other groups is rejected and the call of the first group where the current user is located is continuously kept.
In the embodiment, the priority judgment of each group is transferred from the PTT server to each user terminal, and the priority judgment of each user related to the new group calling is not required by the PTT server, so that the PTT server does not need to hang up each telephone in the original group one by one and then connect each telephone in the new group under the condition that the priority of the new group calling is higher than that of the original group calling, the service flow of the PTT server in the prior art is simplified, meanwhile, when the number of the users related to the group calling is more, the larger processing load can not be brought to the PTT server, and the time delay for receiving the new group calling is also reduced.
In step S102, the step of acquiring group information related to the user may include:
when the user terminal is in the on state, the user terminal actively requests the group information from the PTT server through the packet domain, so that the user terminal can be ensured to be capable of pre-storing the group information in the user terminal before receiving the group call so as to be used when the user terminal receives another group call while being in a certain group call and inquires the priority of the other group call.
Further, the step of acquiring the group information related to the user in step S102 may further include:
when the user terminal is in a standby state and the group information is changed, the changed group information is requested to the PTT server through the packet domain in response to a group information change notification transmitted from the PTT server. The PTT server can inform the user terminal to acquire new group information in a short message mode.
Specifically, if a new call group is established in the PTT server or the priority order of the existing call groups is adjusted, that is, the group information in the PTT server changes, and the user terminal is in a standby state at this time, indicating that no connection is established between the user terminal and the PTT server, the PTT server sends a group information change notification to the user terminals in each group whose group information changes, the user terminals request the PTT server for the changed group information through the packet domain after receiving the group information change notification, and the PTT server sends the changed group information related to the user terminal to the user terminals after receiving the request.
In step S102, the step of acquiring group information related to the user may further include:
and when the user terminal is in a calling state and the group information is changed, receiving the changed group information actively pushed by the PTT server.
Specifically, if a new call group is established in the PTT server or the priority order of the existing call groups is adjusted, that is, the group information in the PTT server changes, and the user terminal is in a call state at this time, indicating that a connection has been established between the user terminal and the PTT server, the PTT server may actively send the changed group information to the user terminals in each group whose group information changes at this time.
Further, in step S106, when multiple groups call users in the first group call at the same time, the priority of each group in the multiple groups is queried according to the acquired group information and the identification information of the multiple groups, the highest priority in the multiple groups is compared with the priority of the first group, if the priority is higher than the priority of the first group, the call of the first group is dropped and the call of the group with the highest priority is connected, otherwise, the call of the multiple groups is rejected and the call of the first group is kept.
It follows that while user a is in a first group call, there may be one or more other groups simultaneously calling user a in the first group.
For example, when only the second group calls the user a in the first group, the user a receives the paging message from the PTT server, the paging message at least includes the identification information of the second group, after receiving the paging message, the user a first extracts the group identification therein, queries the group priority corresponding to the group identification by using the group identification and the group information stored in the user terminal, and further obtains the priority information of the second group, compares the queried priority of the second group with the priority information of the first group, if the priority of the second group is higher than the priority of the first group, the user a hangs up the call of the first group and connects the call of the second group, otherwise, rejects the call of the second group and continues to maintain the call of the first group.
For another example, when the second group and the third group call the user a in the first group at the same time, the user a receives two paging messages from the PTT server at the same time, wherein one paging message at least includes the identification information of the second group, and the other paging message at least includes the identification information of the third group, after receiving the two paging messages, the user a extracts the group identifications thereof, respectively, queries the group priority corresponding to the extracted group identification by using the extracted group identification and the group information stored in the user terminal, and further obtains the priority information of the second group and the third group, if the priority of the second group is higher than that of the first group, compares the queried priority of the second group with the priority information of the first group, if the priority of the second group is higher than that of the first group, subscriber a drops the call of the first group while connecting the call of the second group, otherwise, rejects the call of the second group and continues to hold the call of the first group. In this process, there may be a case where the priority of the second group and the priority of the third group are both higher than the priority of the first group, and at this time, the group call with the highest priority in the second group and the third group is connected, and the call of the first group is suspended.
In various embodiments, the priority information may be identified by a number, for example, a larger number may represent a higher priority, and the number of priority levels may be specifically set as needed.
Fig. 2 is a flowchart illustrating a method for implementing a group call in a PTT system according to another embodiment of the present disclosure.
As shown in fig. 2, this embodiment may include the steps of:
s202, a certain user terminal M is already in group calling A, a new group calling B arrives at the user terminal M at the moment, a PTT server pages the user terminal M according to a normal flow, and the paging message comprises related information of a group, such as group name, group ID and the like;
s204, the user terminal M inquires the priority of the newly arrived group call B according to the pre-stored group information and the group mark corresponding to the group call B, and judges whether the priority of the group call B is larger than that of the group call A;
s206, if the priority of the group call B is not higher than that of the group call A, rejecting the call of the group call B and continuing to be in the group call A;
s208, if the priority of the group calling B is higher than that of the group calling A, the user terminal initiates a request for hanging up the group calling A to the PTT server;
s210, the user terminal responds to the group call B and joins the group call B.
It will be understood by those skilled in the art that all or part of the steps of implementing the above method embodiments may be implemented by hardware associated with program instructions, the program may be stored in a storage medium readable by a computing device, and the program may execute the steps of the above method embodiments when executed, and the storage medium may include various media capable of storing program codes, such as ROM, RAM, magnetic disk and optical disk.
Fig. 3 is a schematic structural diagram of a user terminal according to an embodiment of the present disclosure.
As shown in fig. 3, the user terminal 30 in this embodiment may include a group information acquiring unit 302, a paging message receiving unit 304, and a priority processing unit 306. Wherein,
a group information obtaining unit 302, configured to obtain group information related to a user, and store the group information in a user terminal, where the user signs up for one or more groups, the group information at least includes a group identifier and group priority information associated with the group identifier, and each group has a different priority;
a paging message receiving unit 304, configured to receive, when a user is in a first group call, a paging message initiated by a PTT server to the user in response to a call to the user from another group, where the paging message at least includes identification information of the other group;
the priority processing unit 306 is configured to query priorities of other groups according to the acquired group information and identification information of the other groups, compare the priorities of the other groups with the priority of the first group, disconnect the call of the first group and connect the call of the other groups if the priorities of the other groups are higher than the priority of the first group, otherwise reject the call of the other groups and continue to maintain the call of the first group.
In the embodiment, the priority judgment of each group is transferred from the PTT server to each user terminal, and the priority judgment of each user related to the new group calling is not required by the PTT server, so that the PTT server does not need to hang up each telephone in the original group one by one and then connect each telephone in the new group under the condition that the priority of the new group calling is higher than that of the original group calling, the service flow of the PTT server in the prior art is simplified, meanwhile, when the number of the users related to the group calling is more, the larger processing load can not be brought to the PTT server, and the time delay for receiving the new group calling is also reduced.
When the user terminal is in a power-on state, the group information acquisition unit actively requests the group information from the PTT server through the packet domain.
Further, when the user terminal is in a standby state and the group information is changed, the group information acquiring unit requests the changed group information to the PTT server through the packet domain in response to a group information change notification transmitted from the PTT server.
Further, when the user terminal is in a call state and the group information changes, the group information obtaining unit receives the changed group information actively pushed by the PTT server.
In addition, when a plurality of groups call users in a first group call at the same time, the priority processing unit inquires the priority of each group in the plurality of groups according to the acquired group information and the identification information of the plurality of groups, compares the highest priority in the plurality of groups with the priority of the first group, and if the priority is higher than the priority of the first group, hangs up the call of the first group and connects the call of the group with the highest priority, otherwise, rejects the call of the plurality of groups and continues to maintain the call of the first group.
Fig. 4 is a schematic structural diagram of a system for implementing group calling in a PTT system according to an embodiment of the present disclosure.
As shown in fig. 4, the system 40 in this embodiment may include a PTT server 402 and a user terminal 404. Wherein,
a PTT server 402 for providing group information to the user terminals and initiating paging messages to the user terminals.
The user terminal 404 may be implemented by the embodiment shown in fig. 3.
The embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments can be mutually referred to. For the apparatus embodiment, since it is substantially similar to the method embodiment, the description is relatively simple, and reference may be made to the description of the method embodiment section for the relevant points.
While the present disclosure has been described with reference to exemplary embodiments, it should be understood that the present disclosure is not limited to the exemplary embodiments described above. It will be apparent to those skilled in the art that the above-described exemplary embodiments may be modified without departing from the scope and spirit of the disclosure. The scope of the following claims is to be accorded the broadest interpretation so as to encompass all such modifications and equivalent structures and functions.
Claims (7)
1. A method for implementing a group call in a push-to-talk (PTT) system, comprising:
the method comprises the steps that a user terminal acquires group information related to a user and stores the group information in the user terminal, the user signs one or more groups, the group information at least comprises group identification and group priority information associated with the group identification, and each group has different priorities;
when the user is in a first group call, a user terminal responds to calls of other groups to the user, and receives a paging message initiated by a PTT server to the user, wherein the paging message at least comprises identification information of the other groups, so that the user terminal can identify the priority of the other groups according to the identification information;
the user terminal inquires the priority of the other group according to the acquired group information and the identification information of the other group, compares the priority of the other group with the priority of the first group, hangs up the call of the first group and connects the call of the other group if the priority of the other group is higher than the priority of the first group, and rejects the call of the other group and continues to keep the call of the first group if not;
the step of acquiring group information related to a user further comprises: when the user terminal is in a standby state and the group information is changed, responding to a group information change notice sent by the PTT server, and requesting the changed group information to the PTT server through a packet domain; and when the user terminal is in a calling state and the group information is changed, receiving the changed group information actively pushed by the PTT server.
2. The method of claim 1, wherein the step of obtaining group information related to users comprises:
and actively requesting the group information to the PTT server through a packet domain when the user terminal is in a power-on state.
3. The method of claim 1, wherein the method further comprises:
when a plurality of groups call users in a first group call at the same time, the priority of each group in the plurality of groups is inquired according to the acquired group information and the identification information of the plurality of groups, the highest priority in the plurality of groups is compared with the priority of the first group, if the priority is higher than the priority of the first group, the call of the first group is hung up and the call of the group with the highest priority is connected, otherwise, the call of the plurality of groups is rejected and the call of the first group is continuously kept.
4. A user terminal, comprising:
a group information obtaining unit, configured to obtain group information related to a user, and store the group information in a user terminal, where the user signs up for one or more groups, the group information at least includes a group identifier and group priority information associated with the group identifier, and each group has a different priority;
a paging message receiving unit, configured to receive, when the user is in a first group call, a paging message initiated by a PTT server to the user in response to a call to the user by another group, where the paging message at least includes identification information of the other group, so that a user terminal can identify a priority of the other group according to the identification information;
a priority processing unit, configured to query priorities of the other groups according to the acquired group information and the identification information of the other groups, compare the priorities of the other groups with the priority of the first group, and if the priorities of the other groups are higher than the priority of the first group, hang up the call of the first group and connect the call of the other groups, otherwise, reject the call of the other groups and continue to maintain the call of the first group;
when the user terminal is in a standby state and the group information changes, the group information acquisition unit responds to a group information change notification sent by the PTT server and requests the PTT server for the changed group information through a packet domain; when the user terminal is in a call state and the group information changes, the group information acquisition unit receives the changed group information actively pushed by the PTT server.
5. The UE of claim 4, wherein the group information obtaining unit actively requests the group information from the PTT server through a packet domain when the UE is in a power-on state.
6. The UE of claim 4, wherein when multiple groups call users in a first group call simultaneously, the priority processing unit queries the priority of each group in the multiple groups according to the obtained group information and the identification information of the multiple groups, compares the highest priority of the multiple groups with the priority of the first group, and if the priority of the first group is higher than the priority of the first group, drops the call of the first group and puts through the call of the group with the highest priority, otherwise, rejects the call of the multiple groups and continues to hold the call of the first group.
7. A system for implementing a group call in a PTT system, comprising a PTT server and a user terminal according to any one of claims 4 to 6,
the PTT server is used for providing group information for the user terminal and initiating a paging message to the user terminal.
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| CN201210538734.6A CN103874026B (en) | 2012-12-13 | 2012-12-13 | Method, system and user terminal that group is exhaled are realized in PTT systems |
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