CN113498030A - System and method for supporting MCPTT anonymous callback - Google Patents

System and method for supporting MCPTT anonymous callback Download PDF

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Publication number
CN113498030A
CN113498030A CN202010255422.9A CN202010255422A CN113498030A CN 113498030 A CN113498030 A CN 113498030A CN 202010255422 A CN202010255422 A CN 202010255422A CN 113498030 A CN113498030 A CN 113498030A
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mcptt
calling
terminal
callback
identifier
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CN113498030B (en
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李剑锋
周广铭
官俊
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Hytera Communications Corp Ltd
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Hytera Communications Corp Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
    • H04W4/08—User group management
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/02—Protecting privacy or anonymity, e.g. protecting personally identifiable information [PII]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/11—Allocation or use of connection identifiers

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Multimedia (AREA)
  • Telephonic Communication Services (AREA)

Abstract

The invention provides a system and a method for supporting MCPTT anonymous callback, wherein an MCPTT server can create a unique calling temporary MCPTT mark for a calling MCPTT terminal, and the MCPTT server can establish single callback between the calling MCPTT terminal and a called MCPTT terminal through the calling temporary MCPTT mark. The invention can realize anonymous calling and meet the privacy protection requirement of the public security field on important users.

Description

System and method for supporting MCPTT anonymous callback
Technical Field
The invention relates to the technical field of broadband trunking communication, in particular to a system and a method for supporting MCPTT anonymous callback.
Background
The single call back flow (private call-back) of MCPTT (Mission Critical Push To Talk, Mission Critical PTT service) is defined in the current 3GPP R14(TS 24.379) specification. However, anonymous calling cannot be realized in the process, and the requirement of privacy protection on important users in the public security field cannot be met.
Disclosure of Invention
In view of the above, the present invention provides a system and method for supporting anonymous callback of MCPTT. The technical scheme is as follows:
a system for supporting MCPTT anonymous callback, the system comprising: the system comprises an MCPTT server and a plurality of MCPTT terminals, wherein each MCPTT terminal in the MCPTT terminals is in communication connection with the MCPTT server;
the calling MCPTT terminal is used for responding to touch operation of a calling user and sending a callback request to the MCPTT server, wherein the callback request at least comprises a calling terminal identifier of the calling MCPTT terminal and a called terminal identifier of a called MCPTT terminal;
the MCPTT server is used for acquiring a calling temporary MCPTT identifier of the calling MCPTT terminal corresponding to the calling terminal identifier, wherein the calling temporary MCPTT identifier is a unique identifier which is created by the MCPTT server in advance according to the calling terminal identifier; sending a callback indication carrying the calling temporary MCPTT identifier to the called MCPTT terminal based on the called terminal identifier;
the called MCPTT terminal is used for responding to touch operation of a called user and sending a callback message to the MCPTT server side, wherein the callback message at least comprises the calling temporary MCPTT mark and callback data;
the MCPTT server is also used for sending the callback data to the calling MCPTT terminal based on the calling temporary MCPTT mark and the calling terminal mark.
Preferably, the MCPTT server is further configured to:
under the condition that the callback request also comprises an MCPTT mark of the calling MCPTT terminal, judging whether the calling MCPTT terminal has the callback service authority or not according to the MCPTT mark; and if the calling MCPTT terminal has the callback service authority, executing the step of acquiring the calling temporary MCPTT identifier of the calling MCPTT terminal corresponding to the calling terminal identifier.
Preferably, the MCPTT server is further configured to:
under the condition that the callback request also comprises a callback zone bit, judging whether the callback zone bit is a zone bit representing anonymous callback; and if the callback zone bit is a zone bit representing anonymous callback, executing the step of acquiring the calling temporary MCPTT identification of the calling MCPTT terminal corresponding to the calling terminal identification.
Preferably, the called MCPTT terminal is further configured to:
and under the condition that the received callback indication also carries a callback flag bit representing anonymous callback, not displaying any identification information of the calling MCPTT terminal to the called user.
Preferably, the MCPTT server is further configured to:
under the condition that the calling temporary MCPTT mark has an aging condition, judging whether the calling temporary MCPTT mark meets the aging condition; and if the calling temporary MCPTT mark meets the time effect condition, executing the call-back indication carrying the calling temporary MCPTT mark to be sent to the called MCPTT terminal based on the called terminal mark.
Preferably, the MCPTT server is configured to execute sending, based on the called terminal identifier, a callback indication carrying the calling temporary MCPTT identifier to the called MCPTT terminal, and specifically configured to:
under the condition that the callback request also comprises an emergency callback identifier, a callback indication carrying the calling temporary MCPTT identifier and the emergency callback identifier is sent to the called MCPTT terminal based on the called terminal identifier;
the called MCPTT terminal is also used for:
and informing the called user of calling back according to the emergency calling back identification.
A method for supporting MCPTT anonymous callback is applied to an MCPTT server and comprises the following steps:
receiving a callback request sent by a calling MCPTT terminal, wherein the callback request is obtained by the calling MCPTT terminal responding to touch operation of a calling user, and the callback request at least comprises a calling terminal identifier of the calling MCPTT terminal and a called terminal identifier of a called MCPTT terminal;
acquiring a calling temporary MCPTT identifier of the calling MCPTT terminal corresponding to the calling terminal identifier, wherein the calling temporary MCPTT identifier is a unique identifier which is created by the MCPTT server side according to the calling terminal identifier in advance;
sending a callback indication carrying the calling temporary MCPTT identifier to the called MCPTT terminal based on the called terminal identifier;
receiving a callback message sent by the called MCPTT terminal, wherein the callback message is obtained by the called MCPTT terminal responding to the touch operation of a called user and at least comprises the calling temporary MCPTT mark and callback data;
and sending the callback data to the calling MCPTT terminal based on the calling temporary MCPTT identifier and the calling terminal identifier.
Preferably, the method further comprises:
under the condition that the callback request also comprises an MCPTT mark of the calling MCPTT terminal, judging whether the calling MCPTT terminal has the callback service authority or not according to the MCPTT mark;
and if the calling MCPTT terminal has the callback service authority, executing the step of acquiring the calling temporary MCPTT identifier of the calling MCPTT terminal corresponding to the calling terminal identifier.
Preferably, the method further comprises:
under the condition that the callback request also comprises a callback zone bit, judging whether the callback zone bit is a zone bit representing anonymous callback;
and if the callback zone bit is a zone bit representing anonymous callback, executing the step of acquiring the calling temporary MCPTT identification of the calling MCPTT terminal corresponding to the calling terminal identification.
Preferably, the method further comprises:
under the condition that the calling temporary MCPTT mark has an aging condition, judging whether the calling temporary MCPTT mark meets the aging condition;
and if the calling temporary MCPTT mark meets the time effect condition, executing the call-back indication carrying the calling temporary MCPTT mark to be sent to the called MCPTT terminal based on the called terminal mark.
Preferably, the sending the callback indication carrying the calling temporary MCPTT identifier to the called MCPTT terminal based on the called terminal identifier includes:
and under the condition that the callback request also comprises an emergency callback identifier, sending a callback indication carrying the calling temporary MCPTT identifier and the emergency callback identifier to the called MCPTT terminal based on the called terminal identifier, wherein the emergency callback identifier is the basis or basis for informing the called party of callback by the called MCPTT terminal.
In the system for supporting the anonymous callback of the MCPTT, the MCPTT server can establish a unique calling temporary MCPTT mark for the calling MCPTT terminal, and the MCPTT server can establish the single callback between the calling MCPTT terminal and the called MCPTT terminal through the calling temporary MCPTT mark. The invention can realize anonymous calling and meet the privacy protection requirement of the public security field on important users.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a system architecture diagram of a system supporting MCPTT anonymous callback according to an embodiment of the present invention;
fig. 2 is a flowchart of a method for supporting anonymous callback of MCPTT according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment of the invention provides a system for supporting MCPTT anonymous callback, the system architecture diagram of which is shown in figure 1, and the system comprises: MCPTT service terminal 10 and a plurality of MCPTT terminals 20, each MCPTT terminal 20 of the plurality of MCPTT terminals 20 being communicatively connected to MCPTT service terminal 10.
In this embodiment, each MCPTT terminal 20 is successfully registered in the MCPTT server 10 in advance, and the MCPTT server 10 authorizes each MCPTT terminal 20 to have the MCPTT trunking service capability. In the 3GPP R14 specification, each MCPTT terminal 20 establishes a communication connection with the MCPTT server 10 by SIP (Session initiation protocol).
And the calling MCPTT terminal is used for responding to the touch operation of the calling user and sending a callback request to the MCPTT server 10, wherein the callback request at least comprises a calling terminal identifier of the calling MCPTT terminal and a called terminal identifier of the called MCPTT terminal.
In this embodiment, the calling MCPTT terminal is the MCPTT terminal 20 held by the calling user, and the called MCPTT terminal is the MCPTT terminal 20 held by the called user. Each MCPTT terminal 20 in the system can be a calling MCPTT terminal, and can also be a called MCPTT terminal.
The calling terminal identifier in the callback request may be a number of the calling MCPTT terminal, or an identifier that can uniquely mark the calling MCPTT terminal, such as a user name of the calling user, and the called terminal identifier may be a number of the called MCPTT terminal, or an identifier that can uniquely mark the called MCPTT terminal, such as a user name of the called user, and the embodiment does not limit this. It is understood that other calling terminal identifications and called terminal identifications which are not listed are within the protection scope of the present embodiment.
The MCPTT server 10 is used for acquiring a calling temporary MCPTT identifier of a calling MCPTT terminal corresponding to the calling terminal identifier, wherein the calling temporary MCPTT identifier is a unique identifier which is created by the MCPTT server 10 according to the calling terminal identifier in advance; and sending the callback indication carrying the calling temporary MCPTT identification to the called MCPTT terminal based on the called terminal identification.
In this embodiment, when receiving a callback request sent by a calling MCPTT terminal for the first time, the MCPTT server 10 creates a unique calling temporary MCPTT identifier for the calling MCPTT terminal. The calling party temporary MCPTT identification is in the same form as a calling party MCPTT identification (MCPTT ID1, namely ID of a calling party MCPTT terminal service) corresponding to the calling party terminal identification, and the form is as follows:
sip:tmpuserid@mcptt.domain.com。
specifically, a certain algorithm, for example, MD5, may be adopted to convert the "tmpuiserid" part in the calling MCPTT identifier to obtain the "tmpuiserid" part in the calling temporary MCPTT identifier, and the parts "sip:" and "@ MCPTT. Thus, the calling temporary MCPTT identification is obtained, and the one-to-one corresponding relation between the calling terminal identification and the calling temporary MCPTT identification is established.
It should be noted that, the corresponding relationship between the calling party MCPTT identifier and the calling party MCPTT identifier is predetermined, and the calling party MCPTT identifier is an identifier of the calling party MCPTT terminal on the terminal level and is used for representing the calling party MCPTT terminal.
And the called MCPTT terminal is used for responding to the touch operation of the called user and sending a call-back message to the MCPTT server 10, wherein the call-back message at least comprises a calling temporary MCPTT mark and call-back data.
In this embodiment, the called MCPTT terminal may prompt the called user when receiving the callback instruction, and the called MCPTT terminal is operated by the called user to return a callback message to the calling MCPTT terminal. The callback data in the callback message may be voice data of the called user, text data input by the called user, or video data of the called user, which is not limited in this embodiment.
The MCPTT server 10 is further configured to send callback data to the calling MCPTT terminal based on the calling temporary MCPTT identifier and the calling terminal identifier.
In this embodiment, the MCPTT server 10 may determine the calling terminal identifier corresponding to the calling temporary MCPTT identifier in the callback message according to the one-to-one correspondence relationship between the calling terminal identifier and the calling temporary MCPTT identifier, so as to send the callback data to the calling MCPTT terminal based on the calling terminal identifier.
In some other embodiments, to implement service capability control and provide different service experiences for different users, the MCPTT server 10 is further configured to:
under the condition that the callback request also comprises an MCPTT identifier of the calling MCPTT terminal, judging whether the calling MCPTT terminal has the callback service authority or not according to the MCPTT identifier; and if the calling MCPTT terminal has the callback service authority, executing to acquire the calling temporary MCPTT identifier of the calling MCPTT terminal corresponding to the calling terminal identifier.
In this embodiment, the MCPTT identifier is an identifier of the calling MCPTT terminal in a network control plane, and an SIPCORE component that represents data routing processing of the calling MCPTT terminal is applied. The mapping relationship between the MCPTT identifier and the calling MCPTT identifier is predetermined, and may be an IMPU identifier (IP Multimedia Identity, IP Multimedia Public identifier), that is, an IMS number (IP Multimedia subsystem number) of the calling subscriber, and the form is as follows:
sip:name@domain.com。
specifically, the MCPTT server 10 may obtain subscription data corresponding to the MCPTT identifier, and obtain the authority of the calling MCPTT terminal from the subscription data, such as a callback service authority, such as a call authority, such as a short message authority, such as a video authority, and the like. If the calling MCPTT terminal has the callback service authority, the MCPTT server 10 provides the callback service for the calling user. It should be noted that, if the calling MCPTT terminal has no callback service right, the MCPTT server 10 rejects providing the callback service for the calling subscriber, and at this time, a prompt message representing rejection response may be returned to the calling MCPTT terminal. Of course, if the calling MCPTT terminal has the callback service authority, the MCPTT server 10 may also return a prompt message indicating that a response is being made to the calling MCPTT terminal.
In some other embodiments, to implement the privacy policy specified by the calling party, the MCPTT server 10 is further configured to:
under the condition that the callback request also comprises a callback zone bit, judging whether the callback zone bit is a zone bit representing anonymous callback; and if the callback zone bit is a zone bit representing anonymous callback, executing to acquire the calling temporary MCPTT identification of the calling MCPTT terminal corresponding to the calling terminal identification.
In this embodiment, the callback flag may be an attribute value Privacy set in a To header field of the callback request, and the calling user may request whether To hide the calling terminal identifier by setting the attribute value Privacy, for example, when Privacy is equal To true, it indicates that an anonymous callback is required, and when Privacy is equal To false, it indicates that an anonymous callback is not required.
It should be noted that, if the callback flag is not a flag representing an anonymous callback, the called MCPTT terminal may be called according to the existing single-call callback flow, the MCPTT server 10 sends the calling terminal identifier of the calling MCPTT terminal to the called MCPTT terminal, and the called MCPTT terminal calls back to the calling MCPTT terminal through the calling terminal identifier.
In some other embodiments, to implement the calling user specified privacy policy, the called MCPTT terminal is further configured to:
and under the condition that the received callback indication also carries a callback flag bit representing anonymous callback, not displaying any identification information of the calling MCPTT terminal to the called user.
In this embodiment, if the callback flag is a flag representing an anonymous callback, the MCPTT server 10 may send a callback indication carrying the anonymous callback flag and the temporary calling MCPTT identifier to the called MCPTT terminal, and at this time, the called MCPTT terminal does not display any identifier information representing the calling MCPTT terminal, such as the temporary calling MCPTT identifier, the calling terminal identifier, and further, such as the name and number of the calling subscriber, to the called subscriber. The display content of the called MCPTT terminal is blank information which is empty.
Certainly, in other examples, if the callback flag is a flag representing an anonymous callback, the MCPTT server 10 may further send a callback indication carrying the callback flag to the called MCPTT terminal, and at this time, the called MCPTT terminal displays part of information in the information of the calling user, such as the name, the number, the calling temporary MCPTT identifier, and the like, according to the callback flag and according to the preset rule setting.
In some other embodiments, to implement service security, the MCPTT server 10 is further configured to:
judging whether the calling temporary MCPTT identification meets the aging condition or not under the condition that the calling temporary MCPTT identification has the aging condition; and if the calling temporary MCPTT identification accords with the time effect condition, sending a call-back indication carrying the calling temporary MCPTT identification to the called MCPTT terminal based on the called terminal identification.
In this embodiment, if the calling temporary MCPTT identifier is related to the timestamp of the creation time, the calling temporary MCPTT identifier has timeliness, and a corresponding timeliness condition may be set correspondingly, for example, validity within a certain time duration after creation, validity within a certain number of calls after creation, and the like.
If the calling temporary MCPTT identification meets the time effect condition, the calling temporary MCPTT identification is effective, and the MCPTT server 10 can continue to provide the call-back service for the calling user. If the calling temporary MCPTT mark does not meet the time effect condition, the calling temporary MCPTT mark is effective, at the moment, the MCPTT server 10 creates a new calling temporary MCPTT mark according to the calling terminal mark, and continues to execute the step of sending the callback indication carrying the calling temporary MCPTT mark to the called MCPTT terminal based on the called terminal mark.
In other embodiments, to improve the user experience, the callback request may further include an emergency callback identifier, which may characterize the urgency of the callback, such as may be classified into three levels, i.e., low, normal, and high.
The MCPTT server 10 configured to send a callback indication carrying the temporary calling MCPTT identifier to the called MCPTT terminal based on the called terminal identifier, and specifically configured to:
under the condition that the callback request also comprises an emergency callback identifier, a callback indication carrying a calling temporary MCPTT identifier and the emergency callback identifier is sent to a called MCPTT terminal based on a called terminal identifier;
a called MCPTT terminal, further used for:
and informing the called user of the call back according to the emergency call back identification.
In this embodiment, the called party can be notified in a hierarchical manner according to the emergency degree represented by the emergency callback identifier. For example, when the urgency level is low, the notification can be made by mail; when the emergency degree is normal, the system can be notified by short messages; when the emergency degree is high, the user can be informed by coloring ring back tone and/or vibration.
It should be noted that the above is an example of the notification form, and it is understood that other notification forms not listed are also within the protection scope of the present embodiment.
In the system supporting the anonymous callback of MCPTT according to this embodiment, the MCPTT service end may create a unique calling temporary MCPTT identifier for the calling MCPTT terminal, and the MCPTT service end may establish a single callback between the calling MCPTT terminal and the called MCPTT terminal through the calling temporary MCPTT identifier. According to the embodiment, anonymous calling can be realized, and the privacy protection requirement of the public security field on important users is met.
Based on the system for supporting the anonymous callback of MCPTT provided by the above embodiment, the embodiment of the present invention provides a method for supporting the anonymous callback of MCPTT, which is applied to the MCPTT server in the system for supporting the anonymous callback of MCPTT, and the flow chart of the method is shown in fig. 2, and includes the following steps:
s101, receiving a call back request sent by a calling MCPTT terminal, wherein the call back request is obtained by the calling MCPTT terminal responding to touch operation of a calling user, and the call back request at least comprises a calling terminal identification of the calling MCPTT terminal and a called terminal identification of a called MCPTT terminal.
S102, a calling temporary MCPTT identifier of the calling MCPTT terminal corresponding to the calling terminal identifier is obtained, and the calling temporary MCPTT identifier is a unique identifier which is created by the MCPTT server side according to the calling terminal identifier in advance.
S103, based on the called terminal identification, the callback indication carrying the calling temporary MCPTT identification is sent to the called MCPTT terminal.
And S104, receiving a callback message sent by the called MCPTT terminal, wherein the callback message is obtained by the called MCPTT terminal responding to the touch operation of the called user, and the callback message at least comprises a calling temporary MCPTT mark and callback data.
And S105, sending the callback data to the calling MCPTT terminal based on the calling temporary MCPTT identifier and the calling terminal identifier.
In some other embodiments, to implement service capability control and provide different service experiences for different users, the method further includes:
under the condition that the callback request also comprises an MCPTT identifier of the calling MCPTT terminal, judging whether the calling MCPTT terminal has the callback service authority or not according to the MCPTT identifier;
if the calling MCPTT terminal has the callback service authority, the step S102 is executed.
In some other embodiments, to implement the calling user specified privacy policy, the method further includes:
under the condition that the callback request also comprises a callback zone bit, judging whether the callback zone bit is a zone bit representing anonymous callback;
if the callback flag is a flag indicating anonymous callback, step S102 is executed.
In some other embodiments, to implement service security, the method further includes:
judging whether the calling temporary MCPTT identification meets the aging condition or not under the condition that the calling temporary MCPTT identification has the aging condition;
if the calling temporary MCPTT identification meets the time-efficiency condition, the step S103 is executed.
In some other embodiments, to improve the user experience, step S103 "sending a callback indication carrying the calling temporary MCPTT identifier to the called MCPTT terminal based on the called terminal identifier" includes:
and under the condition that the callback request also comprises an emergency callback identifier, transmitting a callback indication carrying the calling temporary MCPTT identifier and the emergency callback identifier to the called MCPTT terminal based on the called terminal identifier, wherein the emergency callback identifier is the basis or basis for the called MCPTT terminal to inform the called user of callback.
In the method for supporting the anonymous callback of MCPTT according to this embodiment, the MCPTT service end may create a unique calling temporary MCPTT identifier for the calling MCPTT terminal, and the MCPTT service end may establish a single callback between the calling MCPTT terminal and the called MCPTT terminal through the calling temporary MCPTT identifier. According to the embodiment, anonymous calling can be realized, and the privacy protection requirement of the public security field on important users is met.
The system and method for supporting anonymous callback of MCPTT provided by the present invention are introduced in detail above, and the principle and the implementation of the present invention are explained in detail herein by applying specific examples, and the description of the above examples is only used to help understanding the method of the present invention and the core idea thereof; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
It should be noted that, in the present specification, the embodiments are all described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments may be referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
It is further noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include or include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (11)

1. A system for supporting anonymous callback of MCPTT, said system comprising: the system comprises an MCPTT server and a plurality of MCPTT terminals, wherein each MCPTT terminal in the MCPTT terminals is in communication connection with the MCPTT server;
the calling MCPTT terminal is used for responding to touch operation of a calling user and sending a callback request to the MCPTT server, wherein the callback request at least comprises a calling terminal identifier of the calling MCPTT terminal and a called terminal identifier of a called MCPTT terminal;
the MCPTT server is used for acquiring a calling temporary MCPTT identifier of the calling MCPTT terminal corresponding to the calling terminal identifier, wherein the calling temporary MCPTT identifier is a unique identifier which is created by the MCPTT server in advance according to the calling terminal identifier; sending a callback indication carrying the calling temporary MCPTT identifier to the called MCPTT terminal based on the called terminal identifier;
the called MCPTT terminal is used for responding to touch operation of a called user and sending a callback message to the MCPTT server side, wherein the callback message at least comprises the calling temporary MCPTT mark and callback data;
the MCPTT server is also used for sending the callback data to the calling MCPTT terminal based on the calling temporary MCPTT mark and the calling terminal mark.
2. The system of claim 1, wherein the MCPTT server is further configured to:
under the condition that the callback request also comprises an MCPTT mark of the calling MCPTT terminal, judging whether the calling MCPTT terminal has the callback service authority or not according to the MCPTT mark; and if the calling MCPTT terminal has the callback service authority, executing the step of acquiring the calling temporary MCPTT identifier of the calling MCPTT terminal corresponding to the calling terminal identifier.
3. The system of claim 1, wherein the MCPTT server is further configured to:
under the condition that the callback request also comprises a callback zone bit, judging whether the callback zone bit is a zone bit representing anonymous callback; and if the callback zone bit is a zone bit representing anonymous callback, executing the step of acquiring the calling temporary MCPTT identification of the calling MCPTT terminal corresponding to the calling terminal identification.
4. The system of claim 1, wherein the called MCPTT terminal is further configured to:
and under the condition that the received callback indication also carries a callback flag bit representing anonymous callback, not displaying any identification information of the calling MCPTT terminal to the called user.
5. The system of claim 1, wherein the MCPTT server is further configured to:
under the condition that the calling temporary MCPTT mark has an aging condition, judging whether the calling temporary MCPTT mark meets the aging condition; and if the calling temporary MCPTT mark meets the time effect condition, executing the call-back indication carrying the calling temporary MCPTT mark to be sent to the called MCPTT terminal based on the called terminal mark.
6. The system according to claim 1, wherein said MCPTT serving peer configured to perform said sending of the callback indication carrying the calling temporary MCPTT identifier to the called MCPTT terminal based on the called terminal identifier is specifically configured to:
under the condition that the callback request also comprises an emergency callback identifier, a callback indication carrying the calling temporary MCPTT identifier and the emergency callback identifier is sent to the called MCPTT terminal based on the called terminal identifier;
the called MCPTT terminal is also used for:
and informing the called user of calling back according to the emergency calling back identification.
7. A method for supporting the anonymous callback of MCPTT is applied to an MCPTT server and comprises the following steps:
receiving a callback request sent by a calling MCPTT terminal, wherein the callback request is obtained by the calling MCPTT terminal responding to touch operation of a calling user, and the callback request at least comprises a calling terminal identifier of the calling MCPTT terminal and a called terminal identifier of a called MCPTT terminal;
acquiring a calling temporary MCPTT identifier of the calling MCPTT terminal corresponding to the calling terminal identifier, wherein the calling temporary MCPTT identifier is a unique identifier which is created by the MCPTT server side according to the calling terminal identifier in advance;
sending a callback indication carrying the calling temporary MCPTT identifier to the called MCPTT terminal based on the called terminal identifier;
receiving a callback message sent by the called MCPTT terminal, wherein the callback message is obtained by the called MCPTT terminal responding to the touch operation of a called user and at least comprises the calling temporary MCPTT mark and callback data;
and sending the callback data to the calling MCPTT terminal based on the calling temporary MCPTT identifier and the calling terminal identifier.
8. The method of claim 7, further comprising:
under the condition that the callback request also comprises an MCPTT mark of the calling MCPTT terminal, judging whether the calling MCPTT terminal has the callback service authority or not according to the MCPTT mark;
and if the calling MCPTT terminal has the callback service authority, executing the step of acquiring the calling temporary MCPTT identifier of the calling MCPTT terminal corresponding to the calling terminal identifier.
9. The method of claim 7, further comprising:
under the condition that the callback request also comprises a callback zone bit, judging whether the callback zone bit is a zone bit representing anonymous callback;
and if the callback zone bit is a zone bit representing anonymous callback, executing the step of acquiring the calling temporary MCPTT identification of the calling MCPTT terminal corresponding to the calling terminal identification.
10. The method of claim 7, further comprising:
under the condition that the calling temporary MCPTT mark has an aging condition, judging whether the calling temporary MCPTT mark meets the aging condition;
and if the calling temporary MCPTT mark meets the time effect condition, executing the call-back indication carrying the calling temporary MCPTT mark to be sent to the called MCPTT terminal based on the called terminal mark.
11. The method of claim 7, wherein sending a callback indication carrying the calling temporary MCPTT identifier to the called MCPTT terminal based on the called terminal identifier comprises:
and under the condition that the callback request also comprises an emergency callback identifier, sending a callback indication carrying the calling temporary MCPTT identifier and the emergency callback identifier to the called MCPTT terminal based on the called terminal identifier, wherein the emergency callback identifier is the basis or basis for informing the called party of callback by the called MCPTT terminal.
CN202010255422.9A 2020-04-02 2020-04-02 System and method for supporting MCPTT anonymous callback Active CN113498030B (en)

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