Disclosure of Invention
Aiming at the problems in the prior art, the embodiment of the invention provides a group call service establishing method, a base station, an eMMC and a system.
In a first aspect, an embodiment of the present invention provides a method for establishing a group call service, where the method includes:
receiving a first group call context establishment request message sent by eGME;
according to the first group call context establishment request message, when establishing a first group call context, if judging that the group call resources are limited, sending a response message of failure in establishing the first group call context to the eMM; wherein the response message includes: the first group call context is established with failure reason value, the reason value is that group call resource is limited;
receiving a second group call context establishment request message sent by the eNME; wherein the second group call context setup request message is sent when the eMM detects that the speaking right changes;
and establishing a second group calling context according to the second group calling context establishing request message.
In a second aspect, an embodiment of the present invention provides a method for establishing a group call service, where the method includes:
sending a first group call context setup request message to the base station;
receiving a response message of failed establishment of a first group call context sent by the base station; wherein, the response message is sent when the base station establishes the first group call context according to the first group call context establishment request message and the group call resource is known to be limited by judgment, and the response message comprises: the first group call context is established with failure reason value, the reason value is that group call resource is limited;
and if the speaking right is detected to be changed, sending a second group calling context establishment request message to the base station so that the base station establishes a second group calling context according to the second group calling context establishment request message.
In a third aspect, an embodiment of the present invention provides a base station, where the base station includes:
a first receiving module, configured to receive a first group call context setup request message sent by an eMME;
a judging module, configured to send a response message indicating that establishment of the first group call context fails to the eMME if it is judged that the group call resource is limited when the first group call context is established according to the first group call context establishment request message; wherein the response message includes: the first group call context is established with failure reason value, the reason value is that group call resource is limited;
a second receiving module, configured to receive a second group call context setup request message sent by the eMME; wherein the second group call context setup request message is sent when the eMM detects that the speaking right changes;
and the context establishing module is used for establishing a second group calling context according to the second group calling context establishing request message.
In a fourth aspect, an embodiment of the present invention provides an eMME, where the eMME includes:
a second sending module, configured to send a first group call context setup request message to the base station;
a fourth receiving module, configured to receive a response message sent by the base station that the first group call context is failed to be established; wherein, the response message is sent when the base station establishes the first group call context according to the first group call context establishment request message and the group call resource is known to be limited by judgment, and the response message comprises: the first group call context is established with failure reason value, the reason value is that group call resource is limited;
and the third sending module is used for sending a second group call context establishment request message to the base station if the speaking right is detected to be changed, so that the base station establishes a second group call context according to the second group call context establishment request message.
In a fifth aspect, an embodiment of the present invention provides a system for establishing a group call service, where the system includes at least one base station and the eMME.
In a sixth aspect, an embodiment of the present invention provides an electronic device, where the device includes a memory and a processor, where the processor and the memory complete communication with each other through a bus; the memory stores program instructions executable by the processor, and the processor calls the program instructions to execute the group call service establishing method.
In a seventh aspect, an embodiment of the present invention provides a computer-readable storage medium, where a computer program is stored, and when the computer program is executed by a processor, the group call service establishing method is implemented.
According to the group call service establishing method, the base station, the eMMC and the system, when the base station establishes a first group call context according to a first group call context establishing request message sent by the eMMC, if judging that group call resources are limited, sending a response message of failure in establishing the first group call context to the eMMC; wherein the response message includes: the first group call context is established with failure reason value, the reason value is that group call resource is limited; when the eMMC detects that the speaking right changes, a second group calling context establishment request message is sent to the base station; the base station establishes the second group calling context according to the second group calling context establishing request message, so that when the group calling resource is limited, the cluster terminal in the service range of the base station can also receive the group calling service, and the use experience of the user is obviously improved.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments, but not all embodiments, of the present invention. 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.
Fig. 1 is a flowchart of a group call service establishment method provided in an embodiment of the present invention, and as shown in fig. 1, the method includes:
step 10, receiving a first group call context establishment request message sent by eGME;
step 11, according to the first group call context establishment request message, when establishing a first group call context, if judging that the group call resources are limited, sending a response message of failure in establishing the first group call context to the eMM; wherein the response message includes: the first group call context is established with failure reason value, the reason value is that group call resource is limited;
step 12, receiving a second group call context establishment request message sent by the eNME; wherein the second group call context setup request message is sent when the eMM detects that the speaking right changes;
step 13, establishing a second group calling context according to the second group calling context establishing request message.
Specifically, when the eMME learns that a user equipment within a service range of the base station REQUESTs to join a GROUP CALL service, the eMME may send a GROUP CALL CONTEXT SETUP REQUEST message to the base station to REQUEST the base station to SETUP a GROUP CALL CONTEXT, and if the GROUP CALL CONTEXT is successfully SETUP, the base station may return a RESPONSE message indicating that the GROUP CALL CONTEXT is successfully SETUP to the eMME, for example, the base station may send a GROUP CALL CONTEXT SETUP RESPONSE message to the eMME; if the GROUP CALL CONTEXT is failed to be established, the base station may return a response message indicating that the GROUP CALL CONTEXT is failed to be established to the eMME, for example, the base station may send a GROUP CALL CONTEXT SETUP FAILURE message to the eMME.
After receiving a first group call context establishment request message sent by an eME, if judging that group call resources are limited, a base station returns a response message of failure in establishing the first group call context to the eME, wherein the response message comprises a reason value of failure in establishing the first group call context, and the reason value is that the group call resources are limited. For example, the group call resource of the base station I may carry two calls, and is already occupied by the call M and the call N, if at this time, the base station I receives a group call context setup request message sent by the eMME and requests to setup the call P, the base station I knows, by judgment, that the context setup fails due to resource limitation, and the base station I may return a response message of the group call context setup failure to the eMME, where the response message includes a cause value of the group call context setup failure, and the cause value is resource limitation.
The base station may receive a second group call context setup request message sent by the eMME, and set up a second group call context according to the second group call context setup request message. Wherein the second group call context setup request message is sent by the eMM when detecting that the speaking right changes. For example, after receiving a response message of failed establishment of the first group call context returned by the base station I, the eMME detects that the speaking right changes, the eMME sends a second group call context establishment request message to the base station I to request to establish the call P, and if the call M and/or the call N is released at this time, the base station I may establish the call P according to the second group call context establishment request message. If the call P is successfully established, the base station I may return a response message that the second group call context is successfully established to the eMME.
In the group call service establishing method provided in the embodiment of the present invention, when a first group call context is established according to a first group call context establishment request message sent by an eMME through a base station, if it is determined that group call resources are limited, a response message indicating that the first group call context establishment fails is sent to the eMME, where the response message includes: the eMMC sends a second group call context establishment request message to the base station when detecting that the speaking right changes, and the base station establishes the second group call context according to the second group call context establishment request message, so that a trunking terminal in the service range of the base station can also receive the group call service when the group call resources are limited, and the use experience of a user is remarkably improved.
Optionally, on the basis of the foregoing embodiment, the establishing a second group call context according to the second group call context establishment request message includes:
establishing a request message according to the second group call context, and sending cluster paging messages and group call configuration information to the UE; wherein the group paging message comprises: group identification and group priority, the group call configuration information includes: call ID, call type, call attributes, call video description, and call voice description;
and establishing a group calling service with the UE according to the trunking paging message and the group calling configuration information.
Specifically, after receiving the second group call context setup request message sent by the eMME, the base station may send a trunking paging message and group call configuration information to the UE (user end), and establish a group call service with the UE. For example, the base station I in the above embodiment receives the second group call context setup request message sent by the eMME, and requests to setup the call C. The base station I may send a trunking paging message and group call configuration information to the UE, where the trunking paging message includes a group identifier and a group priority, and the group call configuration information includes: call ID, call type, call attributes, call video description, and call voice description.
The group call service establishing method provided by the embodiment of the invention sends cluster paging messages and group call configuration information to UE (user equipment) by establishing request messages according to a second group call context, and establishes a group call service with the UE; wherein the group paging message comprises: group identification and group priority, the group call configuration information includes: the method for establishing the group call service is more scientific due to the call ID, the call type, the call attribute, the call video description and the call voice description.
Optionally, on the basis of the foregoing embodiment, after the establishing a second group call context according to the second group call context establishment request message, the method further includes:
receiving a downlink NAS transmission message sent by the eMMC, wherein the downlink NAS transmission message comprises a talk right notification message; wherein the downlink NAS transmission message is sent when the eMMC detects that the call right changes;
and sending the current speaking right state to the UE according to the speaking right notification message.
Specifically, after the base station establishes the group call context according to the second group call context establishment request message sent by the eMME, if the eMME detects that the talk right of the group call group changes, for example, the eMME detects that the UE x is changed from the talk state to the listen state, and the UE y is changed from the listen state to the talk state, the base station may send a downlink NAS transmission message to the base station, where the downlink NAS transmission message includes a talk right notification message, and the base station sends the current talk right state to the UE in the group call group according to the talk right notification message, that is, notifies the user side in the group call group that the UE y is in the talk state.
The group call service establishing method provided by the embodiment of the invention comprises the steps that after a base station establishes a second group call context according to a second group call context establishing request message sent by an eMM, a downlink NAS transmission message sent by the eMM is received, wherein the downlink NAS transmission message comprises a speaking right notification message; wherein the downlink NAS transmission message is sent when the eMMC detects that the call right changes; and sending the current speaking right state to the UE according to the speaking right notification message, so that the group calling service establishment method is more scientific.
Next, the technical solutions provided by the embodiments of the present invention are described in detail with a specific embodiment. Fig. 3 is a schematic diagram of a group call service establishment method provided in an embodiment of the present invention, as shown in fig. 3: the group call service establishing method provided by the embodiment of the invention comprises the following steps:
eMM sends GROUP DOWNLINK NAS TRANSPORT message to cluster base station A which successfully establishes GROUP call context, and carries NAS message FLOOR INFORM;
2. after receiving the message, the cluster base station A transmits Floor Inform to the UE through a DLTrunkingInformationTransfer message, and informs the monitoring UE of the current speaking right state of the group;
3. for the base station with limited GROUP calling resources and failed CONTEXT establishment, the eMMC re-establishes the GROUP calling CONTEXT, and sends a GROUP CALL CONTEXT REQUEST message to the base station;
4. the base station replies a GROUP CALL CONTEXT SETUP RESPONSE message to the eMM;
5. a base station sends a sounding Paging message to UE, wherein the message carries a group identifier and group priority information;
6. a base station sends a GROUP CALL configuration message on a TCCH channel, wherein the GROUP CALL configuration message comprises an NAS message GROUP CALL SETUP INDICATION message, and the message carries information of Call ID, CallType, CallAttribute, Audio Description and Video Description;
eMMC sends GROUP DOWNLINK NAS TRANSPORT message to the base station, and carries NAS message FLOOR INFORM;
8. after receiving the message, the base station transmits Floor Inform to the UE through a DLTrunkingInformationTransfer message, and informs the monitoring UE of the current talk right state of the group.
Fig. 2 is a flowchart of a group call service establishment method according to another embodiment of the present invention, and as shown in fig. 2, the method includes:
step 20, sending a first group call context establishment request message to the base station;
step 21, receiving a response message of failed establishment of a first group call context sent by the base station; wherein, the response message is sent when the base station establishes the first group call context according to the first group call context establishment request message and the group call resource is known to be limited by judgment, and the response message comprises: the first group call context is established with failure reason value, the reason value is that group call resource is limited;
step 22, if it is detected that the speaking right changes, sending a second group calling context establishment request message to the base station, so that the base station establishes a second group calling context according to the second group calling context establishment request message.
Specifically, when it is known that a user equipment within the service range of a base station requests to join a group call service, the eMME may send a first group call context setup request message to the base station, so that the base station may set up a first group call context according to the first group call context setup request message.
The eMMC may receive a response message indicating that the first group call context is failed to be established, where the response message is sent when the base station acquires that group call resources are limited by judgment when establishing the first group call context according to the first group call context establishment request message, and the response message includes a cause value indicating that the group call context is failed to be established, where the cause value indicates that the group call resources are limited. For example, the group call resource of the base station I may carry two calls, and is already occupied by the call M and the call N, if at this time, the eMME sends a first group call context establishment request message to the base station I, and requires to establish the call P, the base station I knows, through judgment, that the group call resource is limited, which causes a failure in establishing the first group call context, and the base station I may return a response message that the establishment of the first group call context fails to the eMME, where the response message includes a cause value of the failure in establishing the first group call context, and the cause value is resource limitation.
And the eMMC receives the response message of the first group calling context failed to establish, and sends a second group calling context establishing request message to the base station when detecting that the speaking right is changed, so that the base station establishes a second group calling context according to the second group calling context establishing request message. If the second group call context is successfully established, the base station may return a response message that the second group call context is successfully established to the eMME. For example, after receiving a response message of failed establishment of the first group call context returned by the base station I, and detecting that the speaking right changes, the eMME sends a second group call context establishment request message to the base station I to request to establish the call P, and if the call M and/or the call N is released at this time, the base station I may establish the call P according to the second group call context establishment request message at this time. If the call P is successfully established, the base station I may return a response message that the second group call context is successfully established to the eMME.
In the group call service establishing method provided by the embodiment of the invention, the eMMC receives the response message of failure in establishing the first group call context sent by the base station, and if the change of the speaking right is detected, the eMMC sends the second group call context establishing request message to the base station so that the base station establishes the second group call context according to the second group call context establishing request message.
Fig. 4 is a schematic structural diagram of a base station according to an embodiment of the present invention, and as shown in fig. 4, the base station includes: a first receiving module 40, a determining module 41, a second receiving module 42, and acontext establishing module 43, wherein:
the first receiving module 40 is configured to receive a first group call context setup request message sent by the eMME; the judging module 41 is configured to, when establishing the first group call context according to the first group call context establishment request message, send a response message indicating that establishment of the first group call context fails to the eMME if it is judged that the group call resource is limited; wherein the response message includes: the first group call context is established with failure reason value, the reason value is that group call resource is limited; the second receiving module 42 is configured to receive a second group call context setup request message sent by the eMME; wherein the second group call context setup request message is sent when the eMM detects that the speaking right changes; thecontext establishing module 43 is configured to establish a second group call context according to the second group call context establishing request message.
Specifically, the first receiving module 40 may receive a first group call context setup request message sent by the eMME, and when the determining module 41 establishes the first group call context according to the first group call context setup request message, if it is determined that the group call resource is limited, a response message indicating that the first group call context setup fails is returned to the eMME, where the response message includes a cause value of the first group call context setup failure, and the cause value is that the group call resource is limited. For example, the group call resource of the base station I may carry two calls, and is already occupied by the call M and the call N, if at this time, the first receiving module 40 receives a first group call context setup request message sent by the eMME, and requests to setup the call P, when the determining module 41 establishes the first group call context according to the first group call context setup request message, it is known through determination that the group call resource is limited, which results in a failure to setup the first group call context, the determining module 41 may return a response message of the failure to setup the first group call context to the eMME, where the response message includes: and the first group call context is established with failure reason value, and the reason value is that group call resources are limited.
After receiving the response message indicating that the first group call context is failed to be established, if it is detected that the speaking right changes, the eMME sends a second group call context establishment request message to the second receiving module 42, and requests to establish a second group call context. The second receiving module 42 may receive the second group call context setup request message, and thecontext setup module 43 may set up a second group call context according to the second group call context setup request message. For example, after receiving the response message of the first group call context setup failure returned by the determining module 41 and detecting that the speaking right changes, the eMME sends a second group call context setup request message to the second receiving module 42 to request to setup the call P, and if the call M and/or the call N is released at this time, thecontext setup module 43 may set up the call P according to the second group call context setup request. If the call P is successfully established, thecontext establishment module 43 may return a response message to the eMME that the second group call context is successfully established.
For the functions of the base station provided in the embodiment of the present invention, reference is specifically made to the foregoing method embodiment, and details are not described here.
In the base station provided in the embodiment of the present invention, when a first group call context is established according to a first group call context establishment request message sent by an eMME, if it is determined that group call resources are limited, a response message indicating that establishment of the first group call context fails is sent to the eMME, where the response message includes: the eMMC sends a second group call context establishment request message to the base station when detecting that the speaking right changes, and the base station establishes the second group call context according to the second group call context establishment request message, so that a trunking terminal in the service range of the base station can also receive the group call service when the group call resources are limited, and the use experience of a user is remarkably improved.
Optionally, on the basis of the foregoing embodiment, the context establishing module includes: a sending submodule and a building submodule, wherein:
the sending submodule is used for establishing a request message according to the second group calling context and sending a cluster paging message and group calling configuration information to the UE; wherein the group paging message comprises: group identification and group priority, the group call configuration information includes: call ID, call type, call attributes, call video description, and call voice description; and the establishing submodule is used for establishing the group calling service with the UE according to the trunking paging message and the group calling configuration information.
Specifically, after the second receiving module mentioned in the above embodiment receives the second group call context setup request message sent by the eMME, the sending submodule in the context setup module may send the trunking paging message and the group call configuration information to the UE (user side), and the setup submodule in the context setup module may set up the group call service with the UE according to the trunking paging message and the group call configuration information. The trunking paging message includes a group identifier and a group priority, and the group call configuration information includes: call ID, call type, call attributes, call video description, and call voice description.
The base station provided by the embodiment of the invention sends the trunking paging message and the group calling configuration information to the UE by establishing the request message according to the second group calling context, and establishes the group calling service with the UE according to the trunking paging message and the group calling configuration information; wherein the group paging message comprises: group identification and group priority, the group call configuration information includes: call ID, call type, call attributes, call video description, and call voice description, making the base station more scientific.
Fig. 5 is a schematic structural diagram of an eMME according to an embodiment of the present invention, and as shown in fig. 5, the eMME includes: asecond sending module 50, afourth receiving module 51 and athird sending module 52, wherein:
thesecond sending module 50 is configured to send a first group call context setup request message to the base station; thefourth receiving module 51 is configured to receive a response message sent by the base station that the first group call context setup fails; wherein, the response message is sent when the base station establishes the first group call context according to the first group call context establishment request message and the group call resource is known to be limited by judgment, and the response message comprises: the first group call context is established with failure reason value, the reason value is that group call resource is limited; thethird sending module 52 is configured to send a second group call context setup request message to the base station if it is detected that the speaking right changes, so that the base station sets up a second group call context according to the second group call context setup request message.
Specifically, thesecond sending module 50 may send a first group call context establishment request message to the base station when knowing that the user terminal in the service range of the base station requests to join the group call service, so that the base station establishes the first group call context according to the first group call context establishment request message.
Thefourth receiving module 51 may receive a response message sent by the base station when the first group call context is established by the base station and the response message is sent when the base station determines that the group call resource is limited, where the response message includes a cause value of the failure in establishing the first group call context, and the cause value is that the group call resource is limited. For example, the group call resource of the base station I may carry two calls, and is already occupied by the call M and the call N, if at this time, thesecond sending module 50 sends a first group call context setup request message to the base station I to request to setup the call P, the base station I knows, through judgment, that the group call resource is limited, which results in a failure to setup the first group call context, and then the base station I may return a response message of the failure to setup the first group call context to thefourth receiving module 51, where the response message includes a cause value of the failure to setup the first group call context, and the cause value is resource limited.
After thefourth receiving module 51 receives the response message indicating that the first group call context is failed to be established, if thethird sending module 52 detects that the speaking right changes, the third sending module sends a second group call context establishing request message to the base station, so that the base station establishes a second group call context according to the second group call context establishing request message. If the second group call context is successfully established, the base station returns a response message that the second group call context is successfully established to thefourth receiving module 51. For example, after thefourth receiving module 51 receives the response message of the first group call context setup failure returned by the base station I, and thethird sending module 52 detects that the speaking right changes, sends a second group call context setup request message to the base station I to request to setup the call P, and if the call M and/or the call N is released at this time, the base station I may set up the call P according to the second group call context setup request message at this time. If the call P is successfully established, the base station I may return a response message that the second group call context is successfully established to thefourth receiving module 51.
The functions of the eMME provided in the embodiment of the present invention specifically refer to the foregoing method embodiment, and are not described herein again.
The eMMC provided by the embodiment of the invention analyzes the cause value of the failure of establishing the first group calling context through the response message of the failure of establishing the first group calling context, which is sent from the base station, and sends a second group calling context establishing request message to the base station if the change of the speaking right is detected; the base station establishes a second group calling context according to the second group calling context establishing request message; the response message of the first group call context establishment failure is sent by the base station according to the first group call context establishment request message sent by the eMM when the first group call context is established, if the reason that the group call resource is limited is judged to be known, the response message includes the reason value of the first group call context establishment failure, and the reason value is that the group call resource is limited. The eMMC provided by the embodiment of the invention can realize that when the group call resource is limited, the cluster terminal in the service range of the base station can also receive the group call service, thereby obviously improving the use experience of users.
Fig. 6 is a schematic structural diagram of a group call service establishment system provided in an embodiment of the present invention, and as shown in fig. 6, the system includes: at least one of thebase station 60 described in the above embodiments and the eMME61 described in the above embodiments. Specifically, the embodiment of the present invention provides a group call service establishment system, which includes at least onebase station 60 and aneMME 61. When knowing that a user equipment within the service range of thebase station 60 requests to join the group call service, the eMME61 may send a first group call context setup request message to thebase station 60, and after receiving the first group call context setup request message, thebase station 60 sets up a first group call context according to the first group call context setup request message. If thebase station 60 knows that the group call resources are limited by judgment when establishing the first group call context, it returns a response message indicating that the establishment of the first group call context fails to theeMM 61, where the response message includes a cause value indicating that the establishment of the first group call context fails, and the cause value indicates that the group call resources are limited. TheeMM 61 receives the response message that the first group call context is failed to establish, if the change of the speaking right is detected, a second group call context establishing request message is sent to thebase station 60, and thebase station 60 establishes a second group call context according to the second group call context establishing request message. If the second group call context is successfully established, thebase station 60 returns a response message that the second group call context is successfully established to theeMM 61.
In the group call service establishment system provided in the embodiment of the present invention, when a first group call context is established according to a first group call context establishment request message sent by an eMME through a base station, if it is determined that group call resources are limited, a response message indicating that the first group call context establishment fails is sent to the eMME, where the response message includes: the eMMC sends a second group call context establishment request message to the base station if detecting that the speaking right changes, and the base station establishes a second group call context according to the second group call context establishment request message, so that a trunking terminal in the service range of the base station can also receive the group call service when the group call resources are limited, and the use experience of a user is remarkably improved.
Fig. 7 is a schematic structural diagram of an electronic device according to an embodiment of the present invention, and as shown in fig. 7, the electronic device includes: a processor (processor)71, a memory (memory)72, and abus 73, wherein: the processor 71 and the memory 72 are communicated with each other through thebus 73; the processor 71 is configured to call program instructions in the memory 72 to perform the methods provided by the above-mentioned method embodiments, including: receiving a first group call context establishment request message sent by eGME; when a first group call context is established according to the first group call context establishment request message, if judging that the group call resources are limited, sending a response message of failure in establishing the first group call context to the eMM; wherein the response message includes: the first group call context is established with failure reason value, the reason value is that group call resource is limited; receiving a second group call context establishment request message sent by the eNME; wherein the second group call context setup request message is sent when the eMM detects that the speaking right changes; and establishing a second group calling context according to the second group calling context establishing request message.
An embodiment of the present invention discloses a computer program product, which includes a computer program stored on a non-transitory computer readable storage medium, the computer program including program instructions, when the program instructions are executed by a computer, the computer can execute the methods provided by the above method embodiments, for example, the method includes: receiving a first group call context establishment request message sent by eGME; when a first group call context is established according to the first group call context establishment request message, if judging that the group call resources are limited, sending a response message of failure in establishing the first group call context to the eMM; wherein the response message includes: the first group call context is established with failure reason value, the reason value is that group call resource is limited; receiving a second group call context establishment request message sent by the eNME; wherein the second group call context setup request message is sent when the eMM detects that the speaking right changes; and establishing a second group calling context according to the second group calling context establishing request message.
Embodiments of the present invention provide a non-transitory computer-readable storage medium, which stores computer instructions, where the computer instructions cause the computer to perform the methods provided by the above method embodiments, for example, the methods include: receiving a first group call context establishment request message sent by eGME; when a first group call context is established according to the first group call context establishment request message, if judging that the group call resources are limited, sending a response message of failure in establishing the first group call context to the eMM; wherein the response message includes: the first group call context is established with failure reason value, the reason value is that group call resource is limited; receiving a second group call context establishment request message sent by the eNME; wherein the second group call context setup request message is sent when the eMM detects that the speaking right changes; and establishing a second group calling context according to the second group calling context establishing request message.
The above-described embodiments of the electronic device and the like are merely illustrative, where the units described as separate parts may or may not be physically separate, and the parts displayed as units may or may not be physical units, may be located in one place, or may also be distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
Through the above description of the embodiments, those skilled in the art will clearly understand that each embodiment can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware. With this understanding in mind, the above-described technical solutions may be embodied in the form of a software product, which can be stored in a computer-readable storage medium such as ROM/RAM, magnetic disk, optical disk, etc., and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the methods described in the embodiments or some parts of the embodiments.
Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the embodiments of the present invention, and are not limited thereto; although embodiments of the present invention have been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.