CN107786953B - VoLTE encryption call processing method, application server and terminal - Google Patents
VoLTE encryption call processing method, application server and terminal Download PDFInfo
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- CN107786953B CN107786953B CN201610753942.6A CN201610753942A CN107786953B CN 107786953 B CN107786953 B CN 107786953B CN 201610753942 A CN201610753942 A CN 201610753942A CN 107786953 B CN107786953 B CN 107786953B
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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
- H04W4/16—Communication-related supplementary services, e.g. call-transfer or call-hold
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/1066—Session management
- H04L65/1096—Supplementary features, e.g. call forwarding or call holding
Abstract
The embodiment of the invention provides a VoLTE encryption call processing method of a voice telephone carried by long-term evolution, which comprises the following steps: initiating a VoLTE encrypted call to a second terminal; receiving a call forwarding response message sent by a network side; wherein, the call forwarding response message is sent when the VoLTE encrypted call meets the call forwarding condition; and terminating the VoLTE encrypted call according to the call forwarding response message. In the embodiment of the invention, when the VoLTE encrypted call meets the call forwarding condition, the call forwarding response message is sent to the first terminal, so that the first terminal serving as the terminal A end is triggered to automatically stop the call, the call failure phenomenon caused by the fact that the third terminal cannot support the VoLTE encrypted communication after the call forwarding is avoided, the call success rate of the VoLTE is improved, and the compatibility with the flow of the existing VoLTE encrypted communication is high.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a Voice over long Term Evolution (VoLTE) encrypted call processing method, an application server, and a terminal.
Background
VoLTE encrypted communication is voice communication in which encrypted speech is performed using an LTE network. During communication, the voice data packets are encrypted. The VoLTE encrypted call is an encrypted call invitation initiated from a terminal a to a called terminal.
In the VoLTE encryption communication process, the terminal A end and the called end are both required to be encryption terminals, and encryption communication can be carried out. In the prior art there is a service called call forwarding or call forwarding. The call forwarding is a process that a terminal A calls a called terminal, and then both sides enter a conversation, but due to various reasons, if the called terminal cannot converse, a network can transfer the conversation initiated by the terminal A to another terminal.
After the VoLTE encrypted call is initiated, the phenomenon of call forwarding may also exist, and if the call forwarding is directly performed, the phenomenon of high VoLTE encrypted call failure rate may occur, resulting in the problems of low communication quality, high customer complaints, low satisfaction and the like.
Disclosure of Invention
In view of the above, embodiments of the present invention are directed to a VoLTE encrypted call processing method, an application server and a terminal, which at least solve one of the above problems.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
the first aspect of the embodiments of the present invention provides a method for processing a VoLTE encrypted call for a voice telephone carried by long term evolution, including:
a first terminal initiates a VoLTE encrypted call to a second terminal;
receiving a call forwarding response message sent by a network side; wherein, the call forwarding response message is sent when the VoLTE encrypted call meets the call forwarding condition;
and terminating the VoLTE encrypted call according to the call forwarding response message.
Based on the above scheme, the terminating the VoLTE encrypted call according to the call forwarding response message includes:
and terminating the VoLTE encrypted call after receiving the call forwarding response message.
Based on the scheme, the call forwarding response message comprises a preset field; the predetermined field is generated by the network side based on the judgment result of whether the third terminal supports VoLTE encrypted communication; the third terminal replaces the second terminal to communicate with the first terminal when the call forwarding is carried out;
the terminating the VoLTE encrypted call according to the call forwarding response message comprises the following steps:
terminating the VoLTE encrypted call when the predetermined field indicates that the third terminal does not support VoLTE encrypted communications.
Based on the above scheme, the method further comprises:
when the predetermined field indicates that the third terminal supports VoLTE encrypted communication, conducting the VoLTE encrypted communication with the third terminal.
Based on the above scheme, the call forwarding response message includes the capability parameter of the third terminal; the third terminal replaces the second terminal to communicate with the first terminal when the call forwarding is carried out;
the terminating the VoLTE encrypted call according to the call forwarding response message comprises the following steps:
terminating the VoLTE encrypted call when the capability parameter indicates that the third terminal does not support VoLTE encrypted communication.
Based on the above scheme, the method further comprises:
performing the VoLTE encrypted communication with the third terminal when the capability parameter indicates that the third terminal supports the VoLTE encrypted communication.
Based on the above scheme, the VoLTE encrypted call conforms to the call forwarding condition, including at least one of the following:
the second terminal opens the unconditional call forwarding; wherein, the unconditional call forwarding is used for forwarding all calls of the second terminal to a third terminal;
the second terminal activates busy call forwarding and is in a preset communication state, wherein the busy call forwarding is that the call forwarding is forwarded to a third terminal when the second terminal is in the preset communication state;
the second terminal opens the forwarding of the call without answer and the waiting time of the VoLTE encrypted call reaches the preset time; the call forwarding without answer is that when the second terminal does not answer for more than the preset time, the call is forwarded to the third terminal;
the second terminal opens the call forwarding which is not reachable and the second terminal is not reachable; wherein, the unreachable call forwarding is that when the second terminal can not be connected, the call is forwarded to the third terminal;
when the second terminal opens the enhanced call forwarding and the call attribute of the VoLTE encrypted call meets the preset attribute condition; and the enhanced call forwarding refers to calling the third terminal to realize call forwarding of a specific call attribute when the call attribute of the VoLTE encrypted call meets a preset attribute condition.
A second aspect of the embodiments of the present invention provides a method for processing a VoLTE encrypted call of a voice telephone carried by long term evolution, including:
receiving a VoLTE encrypted call initiated by a first terminal to a second terminal;
judging whether the VoLTE encrypted call meets a call forwarding condition or not;
when the VoLTE encrypted call meets the call forwarding condition, sending a call forwarding response message to the first terminal;
wherein the call forwarding response message is at least used for triggering the first terminal to terminate the VoLTE encrypted call.
Based on the scheme, the call forwarding is used for replacing the second terminal with a third terminal to carry out VoLTE encrypted communication initiated based on the VoLTE encrypted call with the first terminal;
the method further comprises the following steps:
judging whether the third terminal supports VoLTE encrypted communication or not to form a judgment result; the third terminal replaces the second terminal to communicate with the first terminal when the call forwarding is carried out;
determining a preset field according to the judgment result; wherein the call forwarding response message includes the predetermined field.
Based on the above scheme, the method further comprises:
acquiring a capability parameter of a third terminal; wherein the capability parameter is at least used for indicating whether the third terminal supports VoLTE encrypted communication; the call forwarding response message includes the capability parameter.
Based on the above scheme, the determining whether the VoLTE encrypted call meets the call forwarding condition includes at least one of the following:
judging whether the second terminal opens unconditional call forwarding or not; the unconditional call forwarding is used for triggering all calls of the second terminal to be forwarded to a third terminal;
judging whether the second terminal activates call forwarding in busy; the busy call forwarding device is used for triggering call forwarding to the third terminal when the second terminal is in a communication state of a preset communication type;
judging whether the second terminal activates call forwarding without answer; the call forwarding without answer is that when the second terminal is not answered for a preset time, the call is forwarded to the third terminal;
when the second terminal is not timely, judging whether the second terminal activates unreachable call forwarding; the unreachable call forwarding is used for triggering call forwarding to the third terminal when the second terminal cannot be connected;
judging whether the second terminal activates enhanced call forwarding; and the enhanced call forwarding is to trigger the call of the third terminal to realize the call forwarding of a specific call attribute when the call attribute of the VoLTE encrypted call meets a preset attribute condition.
And when the second terminal is in the preset communication state, the call is forwarded to the third terminal.
A third aspect of the embodiments of the present invention provides a terminal, where the terminal is a first terminal, and the terminal includes:
the calling unit is used for initiating a VoLTE encryption call to the second terminal;
a first receiving unit, configured to receive a call forwarding response message sent by a network side; wherein, the call forwarding response message is sent when the VoLTE encrypted call meets the call forwarding condition;
and the execution unit is used for terminating the VoLTE encrypted call according to the call forwarding response message.
Based on the above scheme, the execution unit is specifically configured to terminate the VoLTE encrypted call if the call forwarding response message is received.
Based on the scheme, the call forwarding response message comprises a preset field; the predetermined field is generated by the network side based on the judgment result of whether the third terminal supports VoLTE encrypted communication; the third terminal replaces the second terminal to communicate with the first terminal when the call forwarding is carried out;
the execution unit is specifically configured to terminate the VoLTE encrypted call when the predetermined field indicates that the third terminal does not support VoLTE encrypted communication.
Based on the above scheme, the execution unit is further configured to perform VoLTE encrypted communication with the third terminal when the predetermined field indicates that the third terminal supports VoLTE encrypted communication.
Based on the above scheme, the call forwarding response message includes the capability parameter of the third terminal; the third terminal replaces the second terminal to communicate with the first terminal when the call forwarding is carried out;
the execution unit is specifically configured to terminate the VoLTE encrypted call when the capability parameter indicates that the third terminal does not support VoLTE encrypted communication.
Based on the above scheme, the execution unit is specifically configured to perform the VoLTE encrypted communication with the third terminal when the capability parameter indicates that the third terminal supports VoLTE encrypted communication.
Based on the above scheme, the VoLTE encrypted call conforms to the call forwarding condition, including at least one of the following:
the second terminal opens the unconditional call forwarding; wherein, the unconditional call forwarding is used for forwarding all calls of the second terminal to a third terminal;
the second terminal activates busy call forwarding and is in a preset communication state, wherein the busy call forwarding is that the call forwarding is forwarded to a third terminal when the second terminal is in the preset communication state;
the second terminal opens the forwarding of the call without answer and the waiting time of the VoLTE encrypted call reaches the preset time; the call forwarding without answer is that when the second terminal does not answer for more than the preset time, the call is forwarded to the third terminal;
the second terminal opens the call forwarding which is not reachable and the second terminal is not reachable; wherein, the unreachable call forwarding is that when the second terminal can not be connected, the call is forwarded to the third terminal;
when the second terminal opens the enhanced call forwarding and the call attribute of the VoLTE encrypted call meets the preset attribute condition; and the enhanced call forwarding refers to calling the third terminal to realize call forwarding of a specific call attribute when the call attribute of the VoLTE encrypted call meets a preset attribute condition.
A fourth aspect of the embodiments of the present invention provides an application server, including:
the second receiving unit is used for receiving a VoLTE encrypted call initiated from the first terminal to the second terminal;
the judging unit is used for judging whether the VoLTE encrypted call meets a call forwarding condition or not;
a sending unit, configured to send a call forwarding response message to the first terminal when the VoLTE encrypted call meets the call forwarding condition;
wherein the call forwarding response message is at least used for triggering the first terminal to terminate the VoLTE encrypted call.
Based on the scheme, the call forwarding is used for replacing the second terminal with a third terminal to carry out VoLTE encrypted communication initiated based on the VoLTE encrypted call with the first terminal;
the judging unit is further configured to judge whether the third terminal supports VoLTE encrypted communication, and form a judgment result; the third terminal replaces the terminal of the second terminal communicating with the first terminal when the call forwarding is carried out, and determines the predetermined field according to the judgment result; wherein the call forwarding response message includes the predetermined field.
Based on the above scheme, the application server further includes:
an obtaining unit, configured to obtain a capability parameter of the third terminal; wherein the capability parameter is at least used for indicating whether the third terminal supports VoLTE encrypted communication; the call forwarding response message includes the capability parameter.
Based on the above scheme, the determining unit is at least configured to perform at least one of the following:
judging whether the second terminal opens unconditional call forwarding or not; the unconditional call forwarding is used for triggering all calls of the second terminal to be forwarded to a third terminal;
judging whether the second terminal activates call forwarding in busy; the busy call forwarding device is used for triggering call forwarding to the third terminal when the second terminal is in the communication state of the preset communication type;
judging whether the second terminal activates call forwarding without answer; the call forwarding without answer is that when the second terminal is not answered for a preset time, the call is forwarded to the third terminal;
when the second terminal is not timely, judging whether the second terminal activates unreachable call forwarding; the unreachable call forwarding is used for triggering call forwarding to the third terminal when the second terminal cannot be connected;
judging whether the second terminal activates enhanced call forwarding; and the enhanced call forwarding is to trigger the call of the third terminal to realize the call forwarding of a specific call attribute when the call attribute of the VoLTE encrypted call meets a preset attribute condition.
And when the second terminal is in the preset communication state, the call is forwarded to the third terminal.
According to the VoLTE encryption call processing method, the application server and the terminal provided by the embodiment of the invention, when call forwarding of the VoLTE encryption call is required, the call response message is sent to the first terminal serving as the terminal A end, so that the terminal A end is triggered to initiate and terminate the VoLTE encryption call, the VoLTE encryption call failure phenomenon caused by call forwarding is avoided, and the success rate of the VoLTE call is improved.
Drawings
Fig. 1 is a schematic flowchart of a first method for processing a VoLTE encrypted call of a voice telephone carried by long term evolution according to an embodiment of the present invention;
fig. 2 is a schematic flowchart of a second VoLTE encrypted call processing method for a voice telephone carried by long term evolution according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a first terminal according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of an application server according to an embodiment of the present invention;
fig. 5 to 9 are schematic flow diagrams of a VoLTE encrypted call processing method according to an example of the present invention.
Detailed Description
The technical solution of the present invention is further described in detail with reference to the drawings and the specific embodiments of the specification.
The first embodiment is as follows:
as shown in fig. 1, the present embodiment provides a method for processing a VoLTE encrypted call of a voice telephone carried by long term evolution, including:
step S110: a first terminal initiates a VoLTE encrypted call to a second terminal;
step S120: receiving a call forwarding response message sent by a network side; wherein, the call forwarding response message is sent when the VoLTE encrypted call meets the call forwarding condition;
step S130: and terminating the VoLTE encrypted call according to the call forwarding response message.
The method described in this embodiment may be a method applied to the first terminal.
In this embodiment, the first terminal is the terminal a of the VoLTE encrypted communication, and is an originating terminal for performing VoLTE encrypted communication, and may initiate a VoLTE encrypted call and start VoLTE encrypted call communication. The second terminal is a called terminal, is an opposite terminal for communicating with the first terminal, and is a terminal capable of answering the VoLTE encrypted call.
The first terminal and the second terminal can both be the encryption terminal, the encryption terminal is a terminal supporting VoLTE encryption communication, and data generated in the VoLTE communication process can be encrypted and decrypted in the VoLTE communication process.
The call forwarding response message in this embodiment may be one of Session Initiation Protocols (SIP), for example, a SIP message with a SIP message number of 181. After receiving the message, the first terminal automatically sends a message for canceling the VoLTE encrypted call, so that the network side starts a termination process after receiving the message; obviously, the phenomenon that the call failure rate is high due to the fact that the call is authorized does not occur.
The step S130 may include: and determining whether to terminate the VoLTE encrypted call according to whether the call forwarding response message is received or not or the message content of the call forwarding response message.
In this embodiment, when the first terminal and the second terminal cannot communicate, the network element on the network side does not directly point to call forwarding, but sends the call forwarding response message to the first terminal, and in this embodiment, when the first terminal receives the call forwarding response message, unlike the prior art, the first terminal performs VoLTE communication with the second terminal and converts the VoLTE communication into VoLTE communication with the third terminal, but may terminate the VoLTE encrypted call. In this embodiment, the terminating the VoLTE encrypted call may include sending a cancellation message to cancel the VoLTE encrypted call to a network side. In this way, the failure of VoLTE encrypted call caused by the third terminal not supporting VoLTE encryption can be reduced.
There are various implementations of the step S130, and several alternatives are provided as follows:
the first alternative is as follows:
in this embodiment, the step S130 may include: and terminating the VoLTE encrypted call after receiving the call forwarding response message. Since the third terminal may or may not support VoLTE encrypted communication, for the sake of simple processing, the first terminal may directly terminate VoLTE encrypted call after receiving the call forwarding response message.
The second option is:
the call forwarding response message comprises a preset field; the predetermined field is generated by the network side based on the judgment result of whether the third terminal supports VoLTE encrypted communication; and the third terminal replaces the second terminal to communicate with the first terminal when the call forwarding is carried out. For example, an Application Server (AS) on the network side may directly determine whether the third terminal supports VoLTE encrypted communication according to a capability parameter of the third terminal.
The step S130 may include:
terminating the VoLTE encrypted call when the predetermined field indicates that the third terminal does not support VoLTE encrypted communication; and the third terminal replaces the second terminal to communicate with the first terminal when the call forwarding is carried out.
As a further improvement of this mode, the method further includes: when the predetermined field indicates that a third terminal supports VoLTE encrypted communication, conducting the VoLTE encrypted communication with the third terminal; wherein the third terminal is a terminal to which the call is transferred before.
Obviously, in this manner, the network side determines whether the third terminal supports VoLTE encrypted communication, and the determined result may be represented by the field of the predetermined field, so that the first terminal can determine whether to terminate the VoLTE encrypted call or continue the VoLTE encrypted call according to the received call forwarding response message.
The third method comprises the following steps:
the call forwarding response message comprises the capability parameter of the third terminal; the third terminal replaces the second terminal to communicate with the first terminal when the call forwarding is carried out;
the step S130 may include:
terminating the VoLTE encrypted call when the capability parameter indicates that the third terminal does not support VoLTE encrypted communication. In this embodiment, the first terminal determines whether the third terminal supports VoLTE encrypted communication according to the capability parameter in the call forwarding response message. And if the call is not supported, terminating the call, and avoiding the VoLTE encrypted call failure.
Of course, as a further improvement of this embodiment, the method further includes: and when the capability parameter indicates that the third terminal supports VoLTE encrypted communication, performing the VoLTE encrypted communication with the third terminal.
In the second optional mode and the third optional mode, if the third terminal supports VoLTE encrypted communication, the first terminal and the third terminal perform VoLTE encrypted communication, so that the success rate of call forwarding and the success rate of VoLTE encrypted communication are improved at the same time.
In this embodiment, the AS determines whether the VoLTE encrypted call meets the call forwarding condition, and if the call forwarding condition is met, the call forwarding may occur, and the third terminal to which the call is forwarded supports VoLTE encrypted communication or unsupported VoLTE encrypted communication. In order to avoid transferring to a terminal not supporting VoLTE encrypted communication and further causing a VoLTE encrypted call failure, in this embodiment, the AS may directly send the call forwarding response message to the first terminal AS long AS it determines that call forwarding is required, so AS to trigger the first terminal AS the terminal a to automatically terminate the current VoLTE encrypted call, so AS to reduce the VoLTE encrypted call failure. In a specific implementation process, the call forwarding response message may further include output information, where the output information is used for the first terminal to output, so as to inform the first terminal of the reason for automatically cancelling the VoLTE encrypted call, so as to prevent a user from misunderstanding that the VoLTE encrypted call is automatically terminated without the reason of the terminal, better utilize software and hardware resources of the first terminal, and improve intelligence of the terminal and user satisfaction.
Further, the call forwarding is used for replacing the second terminal with a third terminal to perform VoLTE encrypted communication initiated based on the VoLTE encrypted call with the first terminal. After the call is transferred to the third terminal, if the VoLTE encrypted call is answered, both parties of the VoLTE encrypted communication are the first terminal and the third terminal, and the third terminal replaces the second terminal as the called terminal. Specifically, the method further comprises: when the VoLTE encrypted call meets the call forwarding condition and the third terminal supports the VoLTE encrypted communication, sending a call second forwarding response message to the first terminal; and the second forwarding response message is used for informing the first terminal that the VoLTE encrypted call is forwarded to the third terminal. In this embodiment, the call forwarding response message is different from the second forwarding response message. For example, the call forwarding response message and the second forwarding response message are two sub-messages of the forwarding response message, for example, two sub-messages of the SIP message with the number of 181. The call forwarding response message is provided with a field for distinguishing the forwarding response message or the second forwarding response message, and the first terminal can determine the type of the forwarding response message according to the field and then determine whether to terminate the VoLTE call or continue the VoLTE call according to the type of the forwarding response message.
Whether the VoLTE encrypted call meets the call forwarding condition may include a variety of ways, and several realizations are provided as follows:
the first method comprises the following steps:
the second terminal opens the unconditional call forwarding; and the unconditional call forwarding is used for forwarding all calls of the second terminal to a third terminal.
The second method comprises the following steps:
the second terminal opens the call forwarding on busy and is in a preset communication state, wherein the call forwarding on busy is to forward the call to a third terminal when the second terminal is in the preset communication state. For example, the second terminal is communicating with the fourth terminal, the VoLTE encrypted call is accessed at this time, and if the second terminal configures the call forwarding on busy, the third terminal is called. The communication state of the predetermined communication type may include a designated service type or a designated type of communication mode. For example, when the second terminal is in a communication state, there are various types of current communication services. Some service types have high priority and some service types have low priority, in this embodiment, the call is forwarded only when the second terminal is in the service type with the predetermined priority, otherwise, the communication of the current service type can be directly suspended, and the call response and communication of the first terminal and the second terminal are performed. For example, when the priority of the current service type is lower than the VoLTE encrypted communication, the communication of the current service type of the second terminal is suspended. And when the priority of the current service type is not lower than the VoLTE encrypted communication, the call is forwarded.
The third method comprises the following steps:
the second terminal opens the forwarding of the call without answer and the waiting time of the VoLTE encrypted call reaches the preset time; and the call forwarding without answer is that when the second terminal does not answer for more than the preset time, the call is forwarded to the third terminal. For example, after the second terminal is connected, the ringing time is not answered after exceeding the preset time, and the call is automatically transferred to a third terminal, so that the delay of important conversation is avoided.
The method is as follows:
the second terminal opens the call forwarding which is not reachable and the second terminal is not reachable; and the unreachable call forwarding is that when the second terminal cannot be connected, the call is forwarded to the third terminal. The disabling of the second terminal in this embodiment may include: the second terminal is not registered; the second terminal cannot currently connect to the network, etc.
The fifth mode is as follows:
when the second terminal opens the enhanced call forwarding and the call attribute of the VoLTE encrypted call meets the preset attribute condition; and the enhanced call forwarding refers to calling the third terminal to realize call forwarding of a specific call attribute when the call attribute of the VoLTE encrypted call meets a preset attribute condition. The call attributes may include parameters such as time of call, type of service or data media type of call. For example, the calling time is within a predetermined time period, and the call is forwarded as long as the calling time is within the predetermined time period, regardless of whether the second terminal is reachable or whether the second terminal is busy.
The enhanced call forwarding may include call forwarding for encrypted communications; namely, if the current call is the call of encrypted communication, the call is forwarded to the third terminal. For example, if the second terminal is a non-encrypted terminal, the first terminal may actively terminate the VoLTE encrypted communication during the normal processing; if the encrypted call forwarding condition exists in the embodiment, the VoLTE encrypted call initiated by the first terminal may be forwarded to a third terminal supporting VoLTE encrypted communication. The encrypted call forwarding condition may be understood as that when the second terminal does not support VoLTE encrypted communication, the second terminal is transferred to a third terminal supporting the VoLTE encrypted communication.
In summary, the embodiment provides a method for selecting whether to continue VoLTE encrypted communication or terminate VoLTE encrypted communication to terminate VoLTE encrypted communication when a call forwarding situation is met after a terminal a initiates a VoLTE encrypted call, which can improve a success rate of the VoLTE encrypted call and ensure a call rate of the VoLTE encrypted communication.
Example two:
as shown in fig. 2, a method for processing a VoLTE encrypted call of a voice telephone carried by long term evolution includes:
step S210: receiving a VoLTE encrypted call initiated by a first terminal to a second terminal;
step S220: judging whether the VoLTE encrypted call meets a call forwarding condition or not;
step S230: when the VoLTE encrypted call meets the call forwarding condition, sending a call forwarding response message to the first terminal;
wherein the call forwarding response message is at least used for triggering the first terminal to terminate the VoLTE encrypted call.
The VoLTE encrypted call processing method described in this embodiment may be a method applied to an Application Server (AS) on a network side. In this embodiment, the call forwarding response message sent by the AS in step S230 may trigger the first terminal AS the terminal a to terminate the VoLTE encrypted call, so AS to reduce failure of the VoLTE encrypted call caused by call forwarding.
For example, the VoLTE encrypted call may be terminated directly by the successful transmission of the call forwarding response message or the successful reception of the call forwarding response message by the first terminal. Certainly, in a specific implementation, whether to terminate the VoLTE encrypted call or trigger the first terminal to perform VoLTE encrypted communication with the third terminal may be determined according to the message content of the call forwarding response message.
In some embodiments, the call forwarding is configured to perform VoLTE encrypted communication with the first terminal using a third terminal instead of the second terminal, the VoLTE encrypted communication being initiated based on the VoLTE encrypted call.
The method further comprises the following steps:
judging whether the third terminal supports VoLTE encrypted communication or not to form a judgment result; the third terminal replaces the second terminal to communicate with the first terminal when the call forwarding is carried out;
determining a preset field according to the judgment result; wherein the call forwarding response message includes the predetermined field.
In this way, whether the third terminal supports VoLTE encrypted communication is judged by network side network elements such AS an AS; subsequently, the first terminal directly knows whether the third terminal supports VoLTE encrypted communication or not according to the predetermined field. For example, the predetermined field may correspond to 1 or more bits; these bits may carry a boolean value or the like indicating whether the third terminal supports VoLTE encrypted communication. Therefore, the first terminal does not need to judge whether the third terminal supports the VoLTE encrypted communication, the operation of the first terminal is simplified, and the data volume of the call forwarding response message is reduced.
In other embodiments, the method further comprises:
acquiring a capability parameter of the third terminal; wherein the capability parameter is at least used for indicating whether the third terminal supports VoLTE encrypted communication; the call forwarding response message includes the capability parameter. The capability parameter may be used for the first terminal to determine, by itself, whether the third terminal supports the VoLTE encrypted communication, so that a load amount of a network side may be reduced, for example, a load amount of an AS may be reduced. The capability parameter may be obtained from call forwarding configuration information. The call forwarding configuration information is formed when the first terminal configures call forwarding. The capability parameter of the third terminal can be directly stored in the call forwarding configuration information. The call forwarding configuration information can be stored in a local database of a network element such as an application server, and the like, or can be stored in a non-local database. The non-local database may be a database provided in another network element connected to the network element.
As a further improvement of this embodiment, the determining whether the VoLTE encrypted call meets the call forwarding condition includes at least one of the following.
The first method comprises the following steps:
the step S220 may include: judging whether the second terminal opens unconditional call forwarding or not; and the unconditional call forwarding is used for triggering all calls of the second terminal to be forwarded to a third terminal.
And the second method comprises the following steps:
the step S220 may include: judging whether the second terminal activates call forwarding in busy; and the busy call forwarding is used for triggering call forwarding to the third terminal when the second terminal is in the communication state of the preset communication type.
And the third is that:
the step S220 may include: judging whether the second terminal activates call forwarding without answer; and the call forwarding without answer is that when the second terminal is not answered for a preset time, the call is forwarded to the third terminal.
And fourthly:
the step S220 may include: when the second terminal is not timely, judging whether the second terminal activates unreachable call forwarding; and the unreachable call forwarding is used for triggering call forwarding to the third terminal when the second terminal cannot be connected.
And a fifth mode:
the step S220 may include: judging whether the second terminal activates enhanced call forwarding; and the enhanced call forwarding is to trigger the call of the third terminal to realize the call forwarding of a specific call attribute when the call attribute of the VoLTE encrypted call meets a preset attribute condition.
In this embodiment, the detailed descriptions of these call forwarding manners can be referred to the corresponding parts in the first embodiment, and are not repeated here.
In summary, the present embodiment provides a VoLTE call processing method, which solves the problem of call failure caused by call forwarding in the prior art under the condition of small process flow change in the prior art.
Example three:
as shown in fig. 3, the present embodiment provides a terminal, which is a first terminal, where the first terminal is a terminal a. The first terminal includes:
a calling unit 110, configured to initiate a VoLTE encrypted call to a second terminal;
a first receiving unit 120, configured to receive a call forwarding response message sent by a network side; wherein, the call forwarding response message is sent when the VoLTE encrypted call meets the call forwarding condition;
and the executing unit 130 is configured to terminate the VoLTE encrypted call according to the call forwarding response message.
In this embodiment, the first terminal, which is the terminal a, will terminate the VoLTE encrypted call according to the call forwarding response message, so that the failure of the VoLTE encrypted call caused by call forwarding can be reduced.
In this embodiment, the calling unit 110 may include a communication interface, and the communication interface may be capable of communicating with the second terminal and/or the third terminal through a network element on the network side.
The first receiving unit 120 may correspond to a communication interface that receives information. The execution unit 130 may correspond to an information processing structure and a communication interface. The information processing structure may comprise a processor or processing circuitry. The processor may include a central processing unit, microprocessor, digital signal processor, programmable array, or the like. The processing circuit may comprise an application specific integrated circuit. The processor may complete the corresponding functions of the calling unit 110 and the executing unit 130 by executing a preset instruction.
In some embodiments, the executing unit 130 is specifically configured to terminate the VoLTE encrypted call when receiving the call forwarding response message.
In some embodiments, the call forwarding response message includes a predetermined field; the predetermined field is generated by the network side based on the judgment result of whether the third terminal supports VoLTE encrypted communication; the third terminal replaces the second terminal to communicate with the first terminal when the call forwarding is carried out; the executing unit 130 is specifically configured to terminate the VoLTE encrypted call when the predetermined field indicates that the third terminal does not support VoLTE encrypted communication. At this time, the executing unit 130 is further configured to perform VoLTE encrypted communication with the third terminal when the predetermined field indicates that the third terminal supports VoLTE encrypted communication. By adopting the mode, the success rate of the VoLTE encrypted calling can be ensured, and the VoLTE call rate can be ensured.
In other embodiments. The call forwarding response message comprises the capability parameter of the third terminal; and the third terminal replaces the second terminal to communicate with the first terminal when the call forwarding is carried out. The executing unit 130 is specifically configured to terminate the VoLTE encrypted call when the capability parameter indicates that the third terminal does not support VoLTE encrypted communication. At this time, the executing unit 130 is specifically configured to perform VoLTE encrypted communication with the third terminal when the capability parameter indicates that the third terminal supports VoLTE encrypted communication.
Of course, as can be seen from the foregoing embodiments, the VoLTE encrypted call conforms to the call forwarding condition, and includes at least one of the following:
the second terminal opens the unconditional call forwarding; wherein, the unconditional call forwarding is used for forwarding all calls of the second terminal to a third terminal;
the second terminal activates busy call forwarding and is in a preset communication state, wherein the busy call forwarding is that the call forwarding is forwarded to a third terminal when the second terminal is in the preset communication state;
the second terminal opens the forwarding of the call without answer and the waiting time of the VoLTE encrypted call reaches the preset time; the call forwarding without answer is that when the second terminal does not answer for more than the preset time, the call is forwarded to the third terminal;
the second terminal opens the call forwarding which is not reachable and the second terminal is not reachable; wherein, the unreachable call forwarding is that when the second terminal can not be connected, the call is forwarded to the third terminal;
when the second terminal opens the enhanced call forwarding and the call attribute of the VoLTE encrypted call meets the preset attribute condition; and the enhanced call forwarding refers to calling the third terminal to realize call forwarding of a specific call attribute when the call attribute of the VoLTE encrypted call meets a preset attribute condition.
In summary, the present embodiment provides a terminal a, which can automatically terminate a VoLTE encrypted call, and avoid failure of the VoLTE encrypted call caused by call forwarding, and may be implementation hardware for implementing the VoLTE encrypted call forwarding method according to the first embodiment.
Example four:
as shown in fig. 4, the present embodiment provides an application server, including:
a second receiving unit 210, configured to receive a VoLTE encrypted call initiated by a first terminal to a second terminal;
a determining unit 220, configured to determine whether the VoLTE encrypted call meets a call forwarding condition;
a sending unit 230, configured to send a call forwarding response message to the first terminal when the VoLTE encrypted call meets the call forwarding condition;
wherein the call forwarding response message is at least used for triggering the first terminal to terminate the VoLTE encrypted call.
In this embodiment, the second receiving unit 210 and the sending unit 220 may correspond to a communication interface of an application server, and may perform information interaction with the first terminal through a network. The communication interface may be a wired interface or a wireless interface in embodiments of the present invention. The wired interface may be a cable interface or a fiber optic cable interface. The wireless interface may be a transceiver antenna, or the like.
The determining unit 220 may correspond to the processor or the processing circuit. The type of processor referred to herein may refer to the previous embodiment and is not repeated here.
In short, the embodiment provides an application server, which can assist the terminal a to automatically terminate the VoLTE encrypted call, and avoid the phenomenon of VoLTE encrypted call failure caused by forwarding the call to a terminal that does not support VoLTE encrypted communication.
In some embodiments, the call forwarding is configured to perform VoLTE encrypted communication with the first terminal using a third terminal instead of the second terminal, the VoLTE encrypted communication being initiated based on the VoLTE encrypted call. The determining unit 220 is further configured to determine whether the third terminal supports VoLTE encrypted communication, so as to form a determination result; the third terminal replaces the second terminal to communicate with the first terminal when the call forwarding is carried out; determining a preset field according to the judgment result; wherein the call forwarding response message includes the predetermined field.
In other embodiments, the application server further comprises: an obtaining unit, configured to obtain a capability parameter of the third terminal; wherein the capability parameter is at least used for indicating whether the third terminal supports VoLTE encrypted communication; the call forwarding response message includes the capability parameter. The obtaining unit in this embodiment may also correspond to a processor or a processing circuit, and may be capable of reading the capability parameter of the third terminal.
Specifically, the determining unit 220 is configured to perform at least one of the following:
judging whether the second terminal opens unconditional call forwarding or not; the unconditional call forwarding is used for triggering all calls of the second terminal to be forwarded to a third terminal;
judging whether the second terminal activates call forwarding in busy; the busy call forwarding device is used for triggering call forwarding to the third terminal when the second terminal is in the communication state of the preset communication type;
judging whether the second terminal activates call forwarding without answer; the call forwarding without answer is that when the second terminal is not answered for a preset time, the call is forwarded to the third terminal;
when the second terminal is not timely, judging whether the second terminal activates unreachable call forwarding; the unreachable call forwarding is used for triggering call forwarding to the third terminal when the second terminal cannot be connected;
judging whether the second terminal activates enhanced call forwarding; and the enhanced call forwarding is to trigger the call of the third terminal to realize the call forwarding of a specific call attribute when the call attribute of the VoLTE encrypted call meets a preset attribute condition.
And when the second terminal is in the preset communication state, the call is forwarded to the third terminal.
In summary, the present embodiment provides an application server, which can assist a terminal a to automatically terminate a VoLTE encrypted call, and avoid failure of the VoLTE encrypted call caused by call forwarding, and may be implementation hardware for implementing the VoLTE encrypted call forwarding method according to the second embodiment.
Several specific examples are provided below in conjunction with the technical solutions provided by any of the above embodiments:
example one:
as shown in fig. 5, the VoLTE encrypted call processing method in this example includes:
step S11: and the terminal A dials a VoLTE encrypted telephone to the terminal B, and the terminal A VoLTE encrypted terminal sends a call request message. The call request message may be referred to simply as INVITE.
Step S12: after receiving INVITE, if terminal B opens unconditional call forwarding service, then as (B) (i.e. as (B)) triggers unconditional call forwarding. As (b) sends 181 a SIP message to terminal a, while forwarding the INVITE message to the destination terminal C. The network starts the call processing between terminal a and terminal C according to the existing standard call connection procedure.
Step S13: after receiving 181 the SIP message, the terminal a performs call forwarding judgment, which may specifically include: and the terminal A judges whether the VoLTE encryption is forwarded by the network or not, and if so, sends a cancel message to terminate the encryption call. The network processes the message according to the existing standard cancellation processing flow. This encrypted call is terminated. The terminal C in fig. 5 is the third terminal. Cn (a) shown in fig. 5 is the core network where terminal a is located; cn (B) shown in fig. 5 is the core network where terminal B is located.
Example two:
as shown in fig. 6, the VoLTE encrypted call processing method in this example includes:
step S21: and the terminal A dials an encrypted phone to the terminal B, and the VoLTE encrypted terminal of the terminal A sends an INVITE call request message. The network starts the call processing between the terminal A and the terminal B according to the existing standard VoLTE call connection process.
Step S22: if the terminal B opens the call forwarding service in busy and the current terminal B is busy, the terminal B returns a 486 busy response message to the AS. The AS returns an acknowledgement message ACK to the core network and the terminal B.
Step S23: the call forwarding judgment can include: as (b) triggers cranked call forwarding. AS (B) sends 181call waiting forwarder response message to terminal A, and forwards INVITE message to terminal C corresponding to destination terminal. The network starts the call processing between terminal a and terminal C according to the existing standard call connection procedure.
Step S23: after receiving 181 the SIP message, the method performs call forwarding judgment, which may specifically include: and the terminal A judges whether the VoLTE encrypted call is forwarded by the network or not, and if so, sends a cancellation message to terminate the encrypted call.
The network processes the message according to the existing standard cancellation processing flow. This encrypted call is terminated.
Cn (C) shown in fig. 6 is the core network where terminal C is located.
Example three:
as shown in fig. 7, the VoLTE encrypted call processing method in this example includes:
step S31: and the terminal A dials a VoLTE encrypted telephone to the terminal B, and the terminal A sends an INVITE call request message. The network starts the call processing between the terminal A and the terminal B according to the existing standard VoLTE call connection process.
Step S32: the terminal B opens the call forwarding service without answer, and the terminal B rings but no one answers.
Step S33: and (B) the answering waiting timer is overtime, and a cancellation message is sent to the terminal B to terminate the call ringing. Terminal B returns a 200OK message acknowledgement.
Step S34: AS (B) triggers the call forwarding without answer, AS (B) sends 181call forwarding response message to the terminal A, and forwards INVITE message to the destination terminal C. The network starts the call processing between terminal a and terminal C according to the existing standard call connection procedure.
Step S35: the call forwarding judgment specifically may include that after receiving 181 the SIP message, the terminal a performs call forwarding judgment, and specifically may include: and the terminal A judges whether the VoLTE encrypted call is forwarded by the network or not, and sends a cancel message to terminate the encrypted call.
The network processes the message according to the existing standard cancellation processing flow. This encrypted call is terminated.
Example four:
as shown in fig. 8, the VoLTE encrypted call processing method in this example includes:
step S41: and the terminal A dials a VoLTE encrypted telephone to the terminal B, and the terminal A sends an INVITE call request message.
Step S42: after AS (B) receives the INVITE request message, AS (B) finds that the terminal B opens the unreachable call forwarding service and the terminal B is not registered, and inquires a Home Subscriber Server (HSS) about the CSRN of the terminal B in the CS domain. The AS (B) is an application server of the terminal B. Terminal B is also not registered in the CS domain and HSS returns a failure to as (B). The HSS is a network element of a core network.
Step S43: AS (B) triggers unreachable call forwarding, AS (B) sends 181call before ware response message to terminal A, and forwards INVITE message to destination terminal C. The network starts the call processing between terminal a and terminal C according to the existing standard call connection procedure.
Step S44: the method for judging call forwarding by the terminal A specifically comprises the following steps: after receiving 181 the SIP message, the terminal a determines that the encrypted call is forwarded by the network, and sends a cancel message to terminate the encrypted call.
The network processes the message according to the existing standard cancellation processing flow. This encrypted call is terminated.
Example five:
as shown in fig. 9, the VoLTE encrypted call processing method according to this example includes:
step S51: and the terminal A dials a VoLTE encrypted telephone to the terminal B, and the terminal A sends an INVITE call request message.
Step S52: AS (B) after receiving the INVITE request message, AS (B) triggers enhanced call forwarding according to the user configuration condition, and returns 181SIP message to the terminal A through a core network CN (B) and a CN (A).
Step S53: the method for judging call forwarding by the terminal A specifically comprises the following steps: after receiving 181 the SIP message, the terminal a determines that the VoLTE encrypted call is forwarded by the network, and sends a cancel message to terminate the encrypted call.
The network processes the message according to the existing standard cancellation processing flow. This encrypted call is terminated.
In the several embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. The above-described device embodiments are merely illustrative, for example, the division of the unit is only a logical functional division, and there may be other division ways in actual implementation, such as: multiple units or components may be combined, or may be integrated into another system, or some features may be omitted, or not implemented. In addition, the coupling, direct coupling or communication connection between the components shown or discussed may be through some interfaces, and the indirect coupling or communication connection between the devices or units may be electrical, mechanical or other forms.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed on a plurality of network units; some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, all the functional units in the embodiments of the present invention may be integrated into one processing module, or each unit may be separately used as one unit, or two or more units may be integrated into one unit; the integrated unit can be realized in a form of hardware, or in a form of hardware plus a software functional unit.
Those of ordinary skill in the art will understand that: all or part of the steps for implementing the method embodiments may be implemented by hardware related to program instructions, and the program may be stored in a computer readable storage medium, and when executed, the program performs the steps including the method embodiments; and the aforementioned storage medium includes: a mobile storage device, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (22)
1. A VoLTE encryption call processing method for voice telephone loaded by long-term evolution is characterized by comprising the following steps:
a first terminal initiates a VoLTE encrypted call to a second terminal;
receiving a call forwarding response message sent by a network side; wherein, the call forwarding response message is sent when the VoLTE encrypted call meets the call forwarding condition;
and terminating the VoLTE encrypted call according to the call forwarding response message.
2. The method of claim 1,
the terminating the VoLTE encrypted call according to the call forwarding response message comprises the following steps:
and terminating the VoLTE encrypted call after receiving the call forwarding response message.
3. The method of claim 1,
the call forwarding response message comprises a preset field; the predetermined field is generated by the network side based on the judgment result of whether the third terminal supports VoLTE encrypted communication; the third terminal replaces the second terminal to communicate with the first terminal when the call forwarding is carried out;
the terminating the VoLTE encrypted call according to the call forwarding response message comprises the following steps:
terminating the VoLTE encrypted call when the predetermined field indicates that the third terminal does not support VoLTE encrypted communications.
4. The method of claim 3,
the method further comprises the following steps:
when the predetermined field indicates that the third terminal supports VoLTE encrypted communication, conducting the VoLTE encrypted communication with the third terminal.
5. The method of claim 1,
the call forwarding response message comprises the capability parameter of the third terminal; the third terminal replaces the second terminal to communicate with the first terminal when the call forwarding is carried out;
the terminating the VoLTE encrypted call according to the call forwarding response message comprises the following steps:
terminating the VoLTE encrypted call when the capability parameter indicates that the third terminal does not support VoLTE encrypted communication.
6. The method of claim 5,
the method further comprises the following steps:
performing the VoLTE encrypted communication with the third terminal when the capability parameter indicates that the third terminal supports the VoLTE encrypted communication.
7. The method according to any one of claims 1 to 6,
the VoLTE encrypted call conforms to call forwarding conditions, and the call forwarding conditions comprise at least one of the following conditions:
the second terminal opens the unconditional call forwarding; wherein, the unconditional call forwarding is used for forwarding all calls of the second terminal to a third terminal;
the second terminal activates busy call forwarding and is in a preset communication state, wherein the busy call forwarding is that the call forwarding is forwarded to a third terminal when the second terminal is in the preset communication state;
the second terminal opens the forwarding of the call without answer and the waiting time of the VoLTE encrypted call reaches the preset time; the call forwarding without answer is that when the second terminal does not answer for more than the preset time, the call is forwarded to the third terminal;
the second terminal opens the call forwarding which is not reachable and the second terminal is not reachable; wherein, the unreachable call forwarding is that when the second terminal can not be connected, the call is forwarded to the third terminal;
when the second terminal opens the enhanced call forwarding and the call attribute of the VoLTE encrypted call meets the preset attribute condition; and the enhanced call forwarding refers to calling the third terminal to realize call forwarding of a specific call attribute when the call attribute of the VoLTE encrypted call meets a preset attribute condition.
8. A VoLTE encryption call processing method for voice telephone loaded by long-term evolution is characterized by comprising the following steps:
receiving a VoLTE encrypted call initiated by a first terminal to a second terminal;
judging whether the VoLTE encrypted call meets a call forwarding condition or not;
when the VoLTE encrypted call meets the call forwarding condition, sending a call forwarding response message to the first terminal;
wherein the call forwarding response message is at least used for triggering the first terminal to terminate the VoLTE encrypted call.
9. The method of claim 8,
the call forwarding is used for replacing the second terminal with a third terminal to carry out VoLTE encrypted communication initiated based on the VoLTE encrypted call with the first terminal;
the method further comprises the following steps:
judging whether the third terminal supports VoLTE encrypted communication or not to form a judgment result; the third terminal replaces the second terminal to communicate with the first terminal when the call forwarding is carried out;
determining a preset field according to the judgment result; wherein the call forwarding response message includes the predetermined field.
10. The method of claim 8,
the method further comprises the following steps:
acquiring a capability parameter of a third terminal; wherein the capability parameter is at least used for indicating whether the third terminal supports VoLTE encrypted communication; the call forwarding response message includes the capability parameter.
11. The method according to any one of claims 8 to 10,
the judging whether the VoLTE encrypted call meets the call forwarding condition or not comprises at least one of the following steps:
judging whether the second terminal opens unconditional call forwarding or not; the unconditional call forwarding is used for triggering all calls of the second terminal to be forwarded to a third terminal;
judging whether the second terminal activates call forwarding in busy; the busy call forwarding device is used for triggering call forwarding to the third terminal when the second terminal is in a communication state of a preset communication type;
judging whether the second terminal activates call forwarding without answer; the call forwarding without answer is that when the second terminal is not answered for a preset time, the call is forwarded to the third terminal;
when the second terminal is not timely, judging whether the second terminal activates unreachable call forwarding; the unreachable call forwarding is used for triggering call forwarding to the third terminal when the second terminal cannot be connected;
judging whether the second terminal activates enhanced call forwarding; and the enhanced call forwarding is to trigger the call of the third terminal to realize the call forwarding of a specific call attribute when the call attribute of the VoLTE encrypted call meets a preset attribute condition.
12. A terminal, wherein the terminal is a first terminal, comprising:
the calling unit is used for initiating a VoLTE encryption call to the second terminal;
a first receiving unit, configured to receive a call forwarding response message sent by a network side; wherein, the call forwarding response message is sent when the VoLTE encrypted call meets the call forwarding condition;
and the execution unit is used for terminating the VoLTE encrypted call according to the call forwarding response message.
13. The terminal of claim 12,
the execution unit is specifically configured to terminate the VoLTE encrypted call if the call forwarding response message is received.
14. The terminal of claim 12,
the call forwarding response message comprises a preset field; the predetermined field is generated by the network side based on the judgment result of whether the third terminal supports VoLTE encrypted communication; the third terminal replaces the second terminal to communicate with the first terminal when the call forwarding is carried out;
the execution unit is specifically configured to terminate the VoLTE encrypted call when the predetermined field indicates that the third terminal does not support VoLTE encrypted communication.
15. The terminal of claim 14,
the execution unit is further configured to perform VoLTE encrypted communication with a third terminal when the predetermined field indicates that the third terminal supports VoLTE encrypted communication.
16. The terminal of claim 12,
the call forwarding response message comprises the capability parameter of the third terminal; the third terminal replaces the second terminal to communicate with the first terminal when the call forwarding is carried out;
the execution unit is specifically configured to terminate the VoLTE encrypted call when the capability parameter indicates that the third terminal does not support VoLTE encrypted communication.
17. The terminal of claim 16,
the execution unit is specifically configured to perform VoLTE encrypted communication with the third terminal when the capability parameter indicates that the third terminal supports VoLTE encrypted communication.
18. The terminal according to any of claims 12 to 17,
the VoLTE encrypted call conforms to call forwarding conditions, and the call forwarding conditions comprise at least one of the following conditions:
the second terminal opens the unconditional call forwarding; wherein, the unconditional call forwarding is used for forwarding all calls of the second terminal to a third terminal;
the second terminal activates busy call forwarding and is in a preset communication state, wherein the busy call forwarding is that the call forwarding is forwarded to a third terminal when the second terminal is in the preset communication state;
the second terminal opens the forwarding of the call without answer and the waiting time of the VoLTE encrypted call reaches the preset time; the call forwarding without answer is that when the second terminal does not answer for more than the preset time, the call is forwarded to the third terminal;
the second terminal opens the call forwarding which is not reachable and the second terminal is not reachable; wherein, the unreachable call forwarding is that when the second terminal can not be connected, the call is forwarded to the third terminal;
when the second terminal opens the enhanced call forwarding and the call attribute of the VoLTE encrypted call meets the preset attribute condition; and the enhanced call forwarding refers to calling the third terminal to realize call forwarding of a specific call attribute when the call attribute of the VoLTE encrypted call meets a preset attribute condition.
19. An application server, comprising:
the second receiving unit is used for receiving a VoLTE encrypted call initiated from the first terminal to the second terminal;
the judging unit is used for judging whether the VoLTE encrypted call meets a call forwarding condition or not;
a sending unit, configured to send a call forwarding response message to the first terminal when the VoLTE encrypted call meets the call forwarding condition;
wherein the call forwarding response message is at least used for triggering the first terminal to terminate the VoLTE encrypted call.
20. The application server of claim 19,
call forwarding, configured to perform VoLTE encrypted communication initiated based on the VoLTE encrypted call with the first terminal by using a third terminal instead of the second terminal;
the judging unit is further configured to judge whether the third terminal supports VoLTE encrypted communication, and form a judgment result; the third terminal replaces the terminal of the second terminal communicating with the first terminal when the call forwarding is carried out, and determines the predetermined field according to the judgment result; wherein the call forwarding response message includes the predetermined field.
21. The application server of claim 19,
the application server further comprises:
the acquiring unit is specifically used for acquiring the capability parameter of the third terminal; wherein the capability parameter is at least used for indicating whether the third terminal supports VoLTE encrypted communication; the call forwarding response message includes the capability parameter.
22. The application server according to any of the claims 19 to 21,
the judging unit is at least used for executing at least one of the following:
judging whether the second terminal opens unconditional call forwarding or not; the unconditional call forwarding is used for triggering all calls of the second terminal to be forwarded to a third terminal;
judging whether the second terminal activates call forwarding in busy; the busy call forwarding device is used for triggering call forwarding to the third terminal when the second terminal is in a communication state of a preset communication type;
judging whether the second terminal activates call forwarding without answer; the call forwarding without answer is that when the second terminal is not answered for a preset time, the call is forwarded to the third terminal;
when the second terminal is not timely, judging whether the second terminal activates unreachable call forwarding; the unreachable call forwarding is used for triggering call forwarding to the third terminal when the second terminal cannot be connected;
judging whether the second terminal activates enhanced call forwarding; and the enhanced call forwarding is to trigger the call of the third terminal to realize the call forwarding of a specific call attribute when the call attribute of the VoLTE encrypted call meets a preset attribute condition.
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| CN114071492B (en) * | 2020-07-31 | 2023-07-25 | 中国联合网络通信集团有限公司 | Voice call quality optimization method, terminal and base station |
| CN116801205A (en) * | 2022-03-18 | 2023-09-22 | 中国移动通信有限公司研究院 | Communication processing method, device, equipment and computer readable storage medium |
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