CN106604238B - Private communication method and device for group call service - Google Patents

Private communication method and device for group call service Download PDF

Info

Publication number
CN106604238B
CN106604238B CN201510685362.3A CN201510685362A CN106604238B CN 106604238 B CN106604238 B CN 106604238B CN 201510685362 A CN201510685362 A CN 201510685362A CN 106604238 B CN106604238 B CN 106604238B
Authority
CN
China
Prior art keywords
group
calling
target
voice stream
group call
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.)
Active
Application number
CN201510685362.3A
Other languages
Chinese (zh)
Other versions
CN106604238A (en
Inventor
赵琮
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.)
Datang Mobile Communications Equipment Co Ltd
Original Assignee
Datang Mobile Communications Equipment Co Ltd
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 Datang Mobile Communications Equipment Co Ltd filed Critical Datang Mobile Communications Equipment Co Ltd
Priority to CN201510685362.3A priority Critical patent/CN106604238B/en
Publication of CN106604238A publication Critical patent/CN106604238A/en
Application granted granted Critical
Publication of CN106604238B publication Critical patent/CN106604238B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/04—Large scale networks; Deep hierarchical networks
    • H04W84/08—Trunked mobile radio systems

Abstract

The invention discloses a private communication method and a private communication device for a group call service, which are used for realizing private communication among group members in the group call service. The invention provides a private communication method of group calling service, comprising: the group call server receives speaking right application messages sent by at least one calling UE which needs to carry out private conversation with target UE in a group of User Equipment (UE), wherein each speaking right application message carries member identification of the target UE in the group to which the calling UE sending the speaking right application message corresponds; and after receiving the voice stream sent by the calling UE capable of communicating, the group call server encrypts and sends the voice stream according to the member identification of the target UE corresponding to the calling UE capable of communicating in the group to which the target UE belongs.

Description

Private communication method and device for group call service
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a private communication method and apparatus for a group call service.
Background
The group call service developed in the current market is mainly based on an IMS (IP Multimedia Subsystem) service system architecture, and realizes a PTT (Push-To-Talk over Cellular) function.
The PTT business concept comes from the interphone, the user use mode is simple and quick, and the interphone is similar to the interphone and adopts a half-duplex mode to talk. The call process adopts a half-duplex mode, that is, when one member in the group speaks, other members can only listen and cannot speak, which is similar to a broadcast service. Even if there is a group call service that the dispatcher participates in, other members in the group can only answer when the dispatcher speaks. Current PTT mechanisms are not possible if the dispatcher wants to talk to a member within the group individually and does not want others within the group to hear the conversation between them. Generally, two parties needing to communicate separately exit the group call service and then initiate a single call, so the operation flow is complicated and the user is inconvenient to use.
In summary, in the group call service, if one member in a group wants to perform a private call with another member in the group, the conventional PTT mechanism cannot be implemented.
Disclosure of Invention
The embodiment of the invention provides a private communication method and a private communication device for a group call service, which are used for realizing the private communication among group members in the group call service.
The private communication method for the group call service provided by the embodiment of the invention comprises the following steps:
the method comprises the steps that a group call server receives a speaking right application message sent by at least one calling UE which needs to carry out private conversation with a target UE in a group of User Equipment (UE), wherein each speaking right application message carries member identification of the target UE in a group to which the calling UE sending the speaking right application message corresponds;
and after receiving the voice stream sent by the calling UE capable of communicating, the group call server encrypts and sends the voice stream according to the member identification of the target UE corresponding to the calling UE capable of communicating in the group to which the target UE belongs.
In the embodiment of the invention, the calling UE which needs to carry out private conversation with the target UE in a group of user equipment carries the member identification of the target UE corresponding to the calling UE in the group to which the calling UE belongs when sending the speaking right application message, and indicates the group calling server to carry out encryption according to the member identification of which group member. Therefore, only the target UE corresponding to the calling UE in the UE receiving the encrypted voice stream can decrypt the encrypted voice stream, so that private communication between the calling UE and the target UE corresponding to the calling UE is realized, the flexibility of common group calling service is increased, and the application requirements of some special communication fields are met.
Preferably, before the group call server receives a right application message sent by at least one calling UE that needs to perform a private call with a target UE in a group of user equipments, the method further includes:
the group call server receives Session Initiation Protocol (SIP) registration information sent by each UE in the group, where the SIP registration information sent by each UE in the group carries public key information corresponding to the UE.
Therefore, the group call server can store the received public key information of each UE, so that when the voice stream needs to be encrypted according to the member identification of the UE in the group to which the UE belongs, the corresponding public key information is searched according to the member identification of the UE in the group to which the UE belongs, and the voice stream is encrypted by utilizing the public key information.
Preferably, the encrypting the voice stream according to the member identifier of the target UE in the group to which the target UE corresponding to the calling UE capable of talking belongs and then sending the encrypted voice stream includes:
determining public key information of the target UE corresponding to the calling UE capable of communicating according to member identification of the target UE corresponding to the calling UE capable of communicating in the group to which the target UE belongs;
and encrypting the voice stream by using the public key information of the target UE corresponding to the calling UE capable of talking and then sending the voice stream.
The private communication method for the group call service provided by the embodiment of the invention comprises the following steps:
when a calling User Equipment (UE) needs to carry out private conversation with a target UE in a group of user equipment, sending a speaking right application message to a group calling server, wherein the message carries member identification of the target UE in a group to which the target UE belongs;
and after receiving the notification which is sent by the group call server and can send the voice stream, the calling UE sends the voice stream to the group call server.
Preferably, when the calling UE is any UE in the group, the method further comprises:
before the calling UE sends a speaking right application message to a group call server, the calling UE sends Session Initiation Protocol (SIP) registration information to the group call server, wherein the SIP registration information carries public key information corresponding to the calling UE respectively.
Preferably, when the calling UE is the called UE, the method further includes:
and the called UE receives the voice stream which is sent by the group call server and encrypted by the group call server, and decrypts the voice stream by using the private key of the called UE.
The private communication device of the group call service provided by the embodiment of the invention comprises:
a receiving unit, configured to receive a speaking right application message sent by at least one calling UE that needs to perform a private call with a target UE in a group of user equipment, where each speaking right application message carries a member identifier of the target UE in the group to which the target UE corresponding to the calling UE that sends the speaking right application message belongs;
a determining unit, configured to determine a calling UE capable of talking from the at least one calling UE, and notify the calling UE capable of talking to send a voice stream;
and the encryption unit is used for encrypting the voice stream and then transmitting the encrypted voice stream according to the member identification of the target UE in the group to which the target UE corresponding to the calling UE capable of communicating belongs after receiving the voice stream transmitted by the calling UE capable of communicating.
Therefore, the device provided by the embodiment of the invention realizes the private communication between the calling UE and the corresponding target UE, increases the flexibility of the common group calling service, and meets the application requirements of some special communication fields.
Preferably, before receiving the right application message sent by at least one calling UE that needs to perform a private call with a target UE in a group of user equipments, the receiving unit is further configured to:
and receiving Session Initiation Protocol (SIP) registration information sent by each UE in the group, wherein the SIP registration information sent by each UE in the group carries public key information corresponding to the UE.
Preferably, the encryption unit is specifically configured to:
determining public key information of the target UE corresponding to the calling UE capable of communicating according to member identification of the target UE corresponding to the calling UE capable of communicating in the group to which the target UE belongs;
and encrypting the voice stream by using the public key information of the target UE corresponding to the calling UE capable of talking and then sending the voice stream.
The private communication device of the group call service provided by the embodiment of the invention comprises:
a first sending unit, configured to send a speaking right application message to a group call server when a private call needs to be performed with a target UE in a group of user equipment, where the message carries a member identifier of the target UE in a group to which the target UE belongs;
and the second sending unit is used for sending the voice stream to the group call server after receiving the notification which is sent by the group call server and can send the voice stream.
Preferably, before the first sending unit sends the talk burst application message to the group call server, the first sending unit is further configured to:
and sending Session Initiation Protocol (SIP) registration information to the group call server, wherein the SIP registration information carries public key information corresponding to each calling User Equipment (UE) respectively.
Preferably, the private communication apparatus for group call service provided in the embodiment of the present invention further includes:
and the decryption unit is used for receiving the voice stream which is sent by the group call server and encrypted by the group call server and decrypting the voice stream by using a private key of the called UE.
Drawings
Fig. 1 is a flowchart illustrating a private communication method of a group call service according to an embodiment of the present invention;
fig. 2 is a flowchart illustrating another private communication method of a group call service according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a PTT session flow of a group call service according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a private communication apparatus of a group call service according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a private communication apparatus of another group call service according to an embodiment of the present invention.
Detailed Description
The embodiment of the invention provides a private communication method and a private communication device for a group call service, which are used for realizing the private communication among group members in the group call service.
In the embodiment of the invention, each UE in the cluster group carries the public key information corresponding to the UE when sending the SIP registration information to the group call server, and the group call server stores the public key information of the UE in a local file according to the member identification of the UE sending the SIP registration information in the group to which the UE belongs. When a calling UE needs to carry out private conversation with a target UE in a group of user equipment, sending a speaking right application message to a group calling server, carrying member identification of the target UE corresponding to the calling UE in a group to which the target UE belongs in the speaking right application message, and indicating the group calling server to encrypt a subsequently sent voice stream by using public key information of the target UE corresponding to the calling UE. The group calling server determines the public key information of the target UE corresponding to the calling UE according to the member identification of the target UE in the group to which the target UE corresponding to the calling UE belongs, and encrypts and transmits the voice stream transmitted by the calling UE by using the public key information. And when the target UE corresponding to the calling UE receives the encrypted voice stream, decrypting the encrypted voice stream by using the private key of the target UE, and further answering the voice sent by the calling UE. By the method, private communication among members in the cluster group is realized, the flexibility of common group calling service is added, and the application requirements of some special communication fields are met.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, on the group call server side, a private communication method of a group call service provided in an embodiment of the present invention includes:
s101, a group call server receives speaking right application messages sent by at least one calling UE which needs to carry out private conversation with a target UE in a group of User Equipment (UE), wherein each speaking right application message carries member identification of the target UE in a group to which the calling UE sending the speaking right application message corresponds.
Here, the group call server receives the right application message sent by at least one calling UE that needs to perform a private call with a target UE in a group of UEs, that is, at the same time, there may be one calling UE that needs to perform a private call with a target UE in a group of UEs, or there may be multiple calling UEs that need to perform a private call with a target UE in a group of UEs. When a plurality of calling UEs need to perform private call with a target UE in a group of UEs, the target UEs corresponding to the plurality of calling UEs may be the same target UE or different target UEs.
The speaking right application message is a PTT speaking right application message, and specifically, may be an Info message, for example.
It should be noted that, when any calling UE in a group needs to perform a private call with a target UE in the group, and when a right application message is sent, the premise that a member identifier of the target UE corresponding to the calling UE in the group to which the target UE belongs can be carried is as follows: the calling UE can know the member identification of the target UE in the group in advance. How the calling UE knows the member identifier of the target UE corresponding to the calling UE in the group to which the calling UE belongs may be implemented in various ways, for example, a member list in the group to which the calling UE belongs may be seen from a display module of the calling UE, so that the member identifier of the target UE in the group to which the target UE belongs may be known.
The group call server may correspond to only one group, or may correspond to a plurality of groups, which is not limited in the present invention. The member identifier of the target UE corresponding to the calling UE in the group to which the target UE belongs may specifically be: when the group call server only corresponds to one group, the member identification of the target UE in the group to which the target UE belongs can be the number or the user name of the target UE, and the like; when the group call server corresponds to multiple groups, the member identifier of the group to which the target UE belongs may include a group identifier of the group to which the target UE belongs, a member identifier of the group to which the target UE belongs, and the like.
S102, the group call server determines calling UE capable of communicating from the at least one calling UE, informs the calling UE capable of communicating to send a voice stream, and after receiving the voice stream sent by the calling UE capable of communicating, encrypts and sends the voice stream according to member identification of target UE corresponding to the calling UE capable of communicating in a group to which the target UE belongs.
Here, the group call server determining a calling UE capable of talking from the at least one calling UE and notifying the calling UE capable of talking to send a voice stream may include the following two cases:
the first case is: when one calling UE in the group sends a speaking right application message to the group calling server, the group calling server directly sends a speaking right confirmation message after receiving the speaking right application message so as to inform the calling UE to send a voice stream.
The second case is: when a plurality of calling UE in the group send speaking right application information to the group calling server, the group calling server confirms the calling UE which can be currently communicated by utilizing the priority of each UE and sends speaking right confirmation information to the calling UE which can be currently communicated so as to inform the calling UE to send voice stream. The priorities of the UEs may be preset as required.
In addition, when the group call server only corresponds to one group, the group call server encrypts the voice stream and sends the voice stream to members in the group; when the group call server corresponds to a plurality of groups, the group call server can encrypt the voice stream and send the encrypted voice stream to the members in the group corresponding to the target UE according to the member identification (including the group identification) of the group to which the target UE corresponding to the calling UE sending the speaking right application message belongs.
Of course, the private communication method of the group call service provided by the embodiment of the present invention can also be used to realize the non-private communication of the group call service, that is, one member in the group speaks, and other members in the group can hear the talk. Only when the calling UE sends the speaking right application message, the member identification of any UE in the group to which the calling UE belongs is not carried.
Preferably, before the group call server receives a talk burst application message sent by at least one calling UE that needs to talk with a target UE in a group of user equipments, the method further includes:
and the group call server receives SIP registration information sent by each UE in the group, wherein the SIP registration information sent by each UE in the group carries public key information corresponding to the UE.
Preferably, the encrypting the voice stream according to the member identifier of the target UE in the group to which the target UE corresponding to the calling UE capable of talking belongs and then sending the encrypted voice stream includes:
determining public key information of the target UE corresponding to the calling UE capable of communicating according to member identification of the target UE corresponding to the calling UE capable of communicating in the group to which the target UE belongs;
and encrypting the voice stream by using the public key information of the target UE corresponding to the calling UE capable of talking and then sending the voice stream.
That is, according to the member identifier of the target UE in the group to which the target UE corresponding to the calling UE capable of communicating belongs, the public key of the target UE stored in the local file in advance is found out, and then the public key of the target UE is used to encrypt the voice stream and send the voice stream.
Correspondingly, on the UE side, referring to fig. 2, another private communication method for group call service provided in the embodiment of the present invention includes:
s201, when a calling user equipment UE needs to carry out private conversation with a target UE in a group of user equipment, sending a speaking right application message to a group calling server, wherein the message carries member identification of the target UE in a group to which the target UE belongs.
The speaking right application message is a PTT speaking right application message, and specifically, may be an Info message, for example.
S202, after receiving the notification which is sent by the group call server and can send the voice stream, the calling UE sends the voice stream to the group call server.
Here, after receiving the notification that the group call server can send the voice stream, the calling UE sends the voice stream to the group call server, and then the group call server encrypts and sends the voice stream according to the member identifier of the target UE in the group to which the target UE corresponding to the calling UE belongs, which is carried in the talk right application message sent by the calling UE in advance.
Preferably, when the calling UE is any UE in the group, the method further includes:
before the calling UE sends a speaking right application message to a group call server, the calling UE sends Session Initiation Protocol (SIP) registration information to the group call server, wherein the SIP registration information carries public key information corresponding to the calling UE respectively.
Therefore, after receiving the SIP registration information sent by each UE in the group, the group call server stores the public key information corresponding to each UE according to the identification corresponding to each UE.
Preferably, when the calling UE is the called UE, the method further includes:
and the called UE receives the voice stream which is sent by the group call server and encrypted by the group call server, and decrypts the voice stream by using the private key of the called UE.
That is, only the called UE corresponding to the calling UE can decrypt the received voice stream encrypted by the group call server, and then listen to the voice stream sent by the calling UE. Even if the other members in the group receive the encrypted voice stream, the voice stream cannot be decrypted, and therefore, the voice information cannot be received.
The technical solution of the present invention is explained below with reference to a specific embodiment.
Fig. 3 is a schematic diagram illustrating a PTT session flow of a group call service according to an embodiment of the present invention.
In the talkback group, there are UE1, UE2, UE3, group call server, and scheduling stations. The dispatching desk as a user device can actively join or quit any talkback group, and can see the member list in the group and preempt the call right, so the dispatching desk is suitable for initiating a private call aiming at a certain member in the group.
First, the dispatcher, UE1, UE2, and UE3 send SIP register messages to the group call server, and the dispatcher, UE1, UE2, and UE3 carry their public key information in their respective SIP register messages. After receiving the SIP registration message, the group call server stores the public key information corresponding to the dispatching desk, the UE1, the UE2 and the UE3 respectively according to the identifications of the dispatching desk, the UE1, the UE2 and the UE 3.
When the dispatching station needs to perform private talkback with a member in the group (assuming that private talkback with the UE2 is needed), the dispatching station sends a PTT talk right application Info message to the group call server, and the Info message carries the member identification of the UE2 in the group to which the dispatching station belongs. If other members in the group also send the speech right application Info message to the group call server at the current moment, the group call server will arbitrate the speech right, here, the priority of the dispatching station can be set to be the highest in advance, and the dispatching station can preferentially talk with the UE 2.
After receiving the talk burst confirm message sent by the group call server, the dispatcher station may send a voice stream to the group call server that the UE2 needs to hear. After receiving the voice stream, the group call server finds the public key information of the corresponding UE2 according to the member identification of the UE2 in the group to which the group call server belongs, and encrypts and transmits the voice stream by using the public key of the UE 2.
Each member of the group, UE1, UE2, and UE3, can receive the encrypted voice stream, but only UE2 can decrypt the voice stream with its private key to listen to the voice information sent by the dispatch station.
In addition, if the UE2 needs to reply voice to the dispatching station, it only needs to send the talk right confirmation message with the identifier of the dispatching station. Thus, the group call server can encrypt the voice stream replied by the UE2 by using the public key of the dispatching desk, and accordingly, the dispatching desk can listen to the voice information replied by the UE2 after decrypting the voice stream replied by the UE2 by using its private key.
Therefore, the private communication method of the group call service provided by the embodiment of the invention is an important value-added function for the dispatching desk. Certainly, when the dispatching desk does not need to carry out private conversation with a member in the group, but needs to make each member in the group capable of hearing the conversation, the dispatching desk only needs to send a PTT speaking right application Info message to the group calling server without carrying member identification of any member in the group to which the member belongs. Thus, after receiving the voice stream sent by the dispatching station, the group calling server directly sends the voice stream to each member in the group without encrypting the voice stream, so that each member in the group can receive and hear the voice sent by the dispatching station.
Of course, by using the method provided by the embodiment of the present invention, besides the dispatching desk, other members in the group can also initiate a private call for a certain member in the group.
The following describes an apparatus corresponding to the private communication method of the group call service.
Referring to fig. 4, on the group call server side, a private communication device for group call service according to an embodiment of the present invention includes:
a receiving unit 11, configured to receive a speaking right application message sent by at least one calling UE that needs to perform a private call with a target UE in a group of user equipments, where each speaking right application message carries a member identifier of the target UE in the group to which the target UE corresponding to the calling UE that sends the speaking right application message belongs.
The speaking right application message is a PTT speaking right application message, and specifically, may be an Info message, for example.
A determining unit 12, configured to determine a calling UE capable of talking from the at least one calling UE, and notify the calling UE capable of talking to send a voice stream.
Here, the determination unit 12 may determine which calling UE is first capable of talking according to the priority of each calling UE.
And an encrypting unit 13, configured to encrypt the voice stream according to a member identifier of a group to which the target UE corresponding to the calling UE capable of talking belongs, after receiving the voice stream sent by the calling UE capable of talking, and send the encrypted voice stream.
Preferably, the receiving unit 11, before receiving the floor application message sent by at least one calling UE that needs to perform a private call with a target UE in a group of user equipments, is further configured to:
and receiving Session Initiation Protocol (SIP) registration information sent by each UE in the group, wherein the SIP registration information sent by each UE in the group carries public key information corresponding to the UE.
Preferably, the encryption unit 13 is specifically configured to:
determining public key information of the target UE corresponding to the calling UE capable of communicating according to member identification of the target UE corresponding to the calling UE capable of communicating in the group to which the target UE belongs;
and encrypting the voice stream by using the public key information of the target UE corresponding to the calling UE capable of talking and then sending the voice stream.
On the UE side, referring to fig. 5, another private communication apparatus for group call service provided in the embodiment of the present invention includes:
a first sending unit 21, configured to send a speaking right application message to the group call server when a private call needs to be performed with a target UE in a group of user equipment, where the message carries a member identifier of the target UE in a group to which the target UE belongs.
The speaking right application message is a PTT speaking right application message, and specifically, may be an Info message, for example.
A second sending unit 22, configured to send a voice stream to the group call server after receiving a notification that the group call server can send the voice stream.
Preferably, before the first sending unit 21 sends the talk burst request message to the group call server, it is further configured to:
and sending Session Initiation Protocol (SIP) registration information to the group call server, wherein the SIP registration information carries public key information corresponding to each calling User Equipment (UE) respectively.
Preferably, the private communication device of the group call service further includes:
and the decryption unit 23 is configured to receive the voice stream sent by the group call server and encrypted by the group call server, and decrypt the voice stream by using the private key of the called UE.
In this embodiment of the present invention, the related functional modules may be implemented by a hardware processor (hardware processor), for example, the decryption unit may be implemented by a user equipment UE.
The private communication device provided by the embodiment of the invention can be a group call server, for example.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, optical storage, and the like) having computer-usable program code embodied therein.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (12)

1. A private communication method for a group call service, the method comprising:
the group call server receives speaking right application messages sent by at least one calling UE which needs to carry out private conversation with target UE in a group of User Equipment (UE), wherein each speaking right application message carries member identification of the target UE in the group to which the calling UE sending the speaking right application message corresponds;
and after receiving the voice stream sent by the calling UE capable of communicating, the group call server encrypts and sends the voice stream according to the member identification of the target UE corresponding to the calling UE capable of communicating in the group to which the target UE belongs.
2. The method of claim 1, wherein before the group call server receives the floor request message sent by at least one calling UE that requires a private call with a target UE in a group of UEs, the method further comprises:
and the group call server receives Session Initiation Protocol (SIP) registration information sent by each UE in the group, wherein the SIP registration information sent by each UE in the group carries public key information corresponding to the UE.
3. The method according to claim 2, wherein the encrypting the voice stream according to the member identifier of the target UE in the group to which the calling UE capable of talking belongs includes:
determining public key information of the target UE corresponding to the calling UE capable of communicating according to member identification of the target UE corresponding to the calling UE capable of communicating in the group to which the target UE belongs;
and encrypting the voice stream by using the public key information of the target UE corresponding to the calling UE capable of talking and then sending the voice stream.
4. A private communication method for a group call service, the method comprising:
when a calling User Equipment (UE) needs to carry out private conversation with a target UE in a group of user equipment, sending a speaking right application message to a group calling server, wherein the message carries member identification of the target UE in a group to which the target UE belongs;
and after receiving the notification which is sent by the group call server and can send the voice stream, the calling UE sends the voice stream to the group call server, so that the group call server encrypts the voice stream according to the member identification and sends the encrypted voice stream.
5. The method of claim 4, wherein when the calling UE is any UE in the group, the method further comprises:
before the calling UE sends a speaking right application message to a group call server, the calling UE sends Session Initiation Protocol (SIP) registration information to the group call server, wherein the SIP registration information carries public key information corresponding to the calling UE respectively.
6. The method of claim 4, wherein when the calling UE is the called UE, the method further comprises:
and the called UE receives the voice stream which is sent by the group call server and encrypted by the group call server, and decrypts the voice stream by using the private key of the called UE.
7. A private communications apparatus for a group call service, the apparatus comprising:
a receiving unit, configured to receive a speaking right application message sent by at least one calling UE that needs to perform a private call with a target UE in a group of user equipments UEs, where each speaking right application message carries a member identifier of the target UE in the group to which the target UE corresponding to the calling UE that sends the speaking right application message belongs;
a determining unit, configured to determine a calling UE capable of talking from the at least one calling UE, and notify the calling UE capable of talking to send a voice stream;
and the encryption unit is used for encrypting the voice stream and then transmitting the encrypted voice stream according to the member identification of the target UE in the group to which the target UE corresponding to the calling UE capable of communicating belongs after receiving the voice stream transmitted by the calling UE capable of communicating.
8. The apparatus of claim 7, wherein the receiving unit, before receiving the floor application message sent by at least one calling UE that needs to perform a private call with a target UE in a group of UEs, is further configured to:
and receiving Session Initiation Protocol (SIP) registration information sent by each UE in the group, wherein the SIP registration information sent by each UE in the group carries public key information corresponding to the UE.
9. The apparatus according to claim 8, wherein the encryption unit is specifically configured to:
determining public key information of the target UE corresponding to the calling UE capable of communicating according to member identification of the target UE corresponding to the calling UE capable of communicating in the group to which the target UE belongs;
and encrypting the voice stream by using the public key information of the target UE corresponding to the calling UE capable of talking and then sending the voice stream.
10. A private communications apparatus for a group call service, the apparatus comprising:
a first sending unit, configured to send a speaking right application message to a group call server when a private call needs to be performed with a target UE in a group of user equipment UEs, where the message carries a member identifier of the target UE in a group to which the target UE belongs;
and a second sending unit, configured to send a voice stream to the group call server after receiving a notification that the group call server can send the voice stream, so that the group call server encrypts the voice stream according to the member identifier and sends the encrypted voice stream.
11. The apparatus of claim 10, wherein before the first sending unit sends the floor application message to the group call server, the first sending unit is further configured to:
and sending Session Initiation Protocol (SIP) registration information to the group call server, wherein the SIP registration information carries public key information corresponding to each calling User Equipment (UE) respectively.
12. The apparatus of claim 10, further comprising:
and the decryption unit is used for receiving the voice stream which is sent by the group call server and encrypted by the group call server and decrypting the voice stream by using a private key of the called UE.
CN201510685362.3A 2015-10-20 2015-10-20 Private communication method and device for group call service Active CN106604238B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510685362.3A CN106604238B (en) 2015-10-20 2015-10-20 Private communication method and device for group call service

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510685362.3A CN106604238B (en) 2015-10-20 2015-10-20 Private communication method and device for group call service

Publications (2)

Publication Number Publication Date
CN106604238A CN106604238A (en) 2017-04-26
CN106604238B true CN106604238B (en) 2020-04-03

Family

ID=58555254

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510685362.3A Active CN106604238B (en) 2015-10-20 2015-10-20 Private communication method and device for group call service

Country Status (1)

Country Link
CN (1) CN106604238B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109257189A (en) * 2017-07-14 2019-01-22 极效控股有限公司 Content distribution method, equipment and computer readable storage medium

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8169983B2 (en) * 2006-08-07 2012-05-01 Pine Valley Investments, Inc. Transcoder architecture for land mobile radio systems
CN101459880B (en) * 2008-12-18 2010-12-01 中兴通讯股份有限公司 Session request method and system for establishing temporary group call
KR101332713B1 (en) * 2009-05-04 2013-11-26 블랙베리 리미티드 System and method for implementing media and media transfer between devices
CN104967601A (en) * 2015-02-12 2015-10-07 腾讯科技（深圳）有限公司 Data processing method and apparatus

Also Published As

Publication number Publication date
CN106604238A (en) 2017-04-26

Similar Documents

Publication Publication Date Title
CN107950010B (en) Merging active group calls
JP4700064B2 (en) Efficient push-to-talk (PTT) communication system and method
KR101184847B1 (en) Method for distributing media in an infrastructure based communication system
CA2870670C (en) Enabling interoperability between a broadband network and a narrowband network
US10129712B2 (en) Floor control method and apparatus
CA2754821C (en) Method and device for enabling selective privacy in a push to talk (ptt) wireless group communication session
US10142808B2 (en) Floor control method and apparatus
EP3187020B1 (en) User device and method thereof
EP3300399B1 (en) Floor control method, apparatus and system for multiple mcptt systems
WO2016148864A1 (en) Method and apparatus for presenting user personalities for interoperable ptt across separate ptt networks
WO2013016014A2 (en) Using a push to talk over cellular infrastructure for radio communications
KR20180021846A (en) Merge Active Groups
CN102273257A (en) Secondary data transmission in a group communication transmission data stream
CN102843675A (en) Cluster call voice encryption method, terminal and system
WO2018126980A1 (en) Role addressing service implementation method and system
CN111050424B (en) Multi-group call establishment method and equipment
CN106604238B (en) Private communication method and device for group call service
KR100713444B1 (en) Call setup method in mobile communication network supporting push to talk service and system therefor
WO2016112496A1 (en) Method and apparatus for processing group service
KR20090117576A (en) Management method of secure keys in a session-based telecommunication service and terminal supporting the management method
EP2208371B1 (en) Secure communication system comprising terminals with different security capability levels
US8989791B1 (en) Systems and methods of talk group communication
CN101938707B (en) Method and device for optimizing push to talk time delay
KR101094466B1 (en) Procedure for updating group sessions in a session-based telecommunication service
CN116847296A (en) Strong insertion processing method, device, equipment, system and medium of dispatching desk

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant