CN110418340A - Audio call end-to-end processing method, device and system - Google Patents
Audio call end-to-end processing method, device and system Download PDFInfo
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- CN110418340A CN110418340A CN201810395804.4A CN201810395804A CN110418340A CN 110418340 A CN110418340 A CN 110418340A CN 201810395804 A CN201810395804 A CN 201810395804A CN 110418340 A CN110418340 A CN 110418340A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/02—Protecting privacy or anonymity, e.g. protecting personally identifiable information [PII]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/04—Key management, e.g. using generic bootstrapping architecture [GBA]
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Abstract
The present invention provides a kind of audio call end-to-end processing method, device and system.This method, comprising: the first equipment sends the first speech frame to the second equipment, wherein including: key information in the first speech frame；First equipment is received in the second equipment after key information, the second speech frame is sent to the second equipment, wherein the second speech frame includes: the first encryption voice flow, so that the second equipment is decrypted to obtain first object voice flow according to key information to the first encrypted speech stream；And/or the third speech frame that the second equipment is sent is received, wherein third speech frame includes: the second encryption voice flow, and the second encryption voice flow is decrypted according to key information, obtains the second target voice stream.The present invention realizes the end-to-end encryption and decryption of audio call between not homologous ray, completes the transmission process between not homologous ray to voice flow by the way that key information is carried out prioritised transmission in data surface.
Description
Technical field
The present invention relates to field of communication technology more particularly to a kind of audio call end-to-end processing methods, device and system.
Background technique
Police Digital Clustering PDT system uses the cluster communication standard with Chinese independent intellectual property right, and the standard is abundant
Consider China's actual conditions, to international ripeness standard technology (such as Tetra, P25, DMR, MPT1327) carried out use for reference and
Innovative design, it then follows high performance-price ratio, safe and secret, great Qu system, expansible and back compatible five big principle, effective solution
The problem of various emergency communication network converged communication, has the direction of future digital intercommunication technology development in mind, and it is logical can to meet most clusters
Believe the demand of industry user.
Long Term Evolution (Long Term Evolution, LTE) system is used by third generation partner program (The
3rd Generation Partnership Project, 3GPP) Universal Mobile Communication System (Universal that organizes to set up
Mobile Telecommunications System, UMTS) technical standard long term evolution, and the network architecture of LTE system
More flattening is simplified, and reduces network node and system complexity, to reduce Time Delay of Systems, also reduces Network Dept.
Administration and maintenance cost.
Due to that all can realize audio call end by the encryption and decryption to voice flow inside PDT internal system and LTE system
It is handled to end, therefore, when the two systems interconnect, PDT system and LTE system can only carry out half to voice flow respectively
Journey encryption and decryption is docked again, but butted part can only use inscription, and safety is unable to get guarantee.Therefore, one kind is now needed
It being capable of audio call end-to-end processing method between application solutions PDT system and LTE system.
Summary of the invention
The present invention provides a kind of audio call end-to-end processing method, device and system, to solve existing audio call
The safety problem of voice transfer in end-to-end processing method.
In a first aspect, the present invention provides a kind of audio call end-to-end processing method, comprising:
First equipment sends the first speech frame to the second equipment, wherein including: key information in first speech frame；
For first equipment after second equipment receives the key information, the second equipment of Xiang Suoshu sends the
Two speech frames, wherein second speech frame includes: the first encryption voice flow, the first encryption voice flow sets for described first
For what is encrypted according to the key information to first object voice flow, so that second equipment is according to the key
Information is decrypted the first encrypted speech stream to obtain the first object voice flow；And/or
The third speech frame that second equipment is sent is received, wherein the third speech frame includes: the second encryption voice
Stream, the second encryption voice flow are that second equipment encrypt to the second target voice stream according to the key information
It arrives, and the second encryption voice flow is decrypted according to the key information, obtain the second target voice stream.
Optionally, in first speech frame further include: the first encryption voice flow, and where the first encryption voice flow
Position be located at after the position where the key information.
Optionally, first equipment is the base station PDT, and second equipment is LTE terminal.
Optionally, first equipment sends the first speech frame to the second equipment, comprising:
It eats dishes without rice or wine to receive the control extension frame and third target voice stream of the transmission of PDT terminal by PDT in the base station PDT；
The base station PDT parses the control extension frame, obtains the key information, and believe according to the key
Breath encrypts the third target voice stream, obtains third encryption voice flow；
The base station PDT sends first speech frame via PDT equipment of the core network, Xiang Suoshu LTE terminal, wherein described
It include: the key information and third encryption voice flow, the position where the third encryption voice flow in first speech frame
After the position where the key information.
Optionally, after second equipment receives the key information, Xiang Suoshu second is set first equipment
Preparation send the second speech frame, comprising:
It eats dishes without rice or wine to receive the first object voice flow of PDT terminal transmission by PDT in the base station PDT；
The base station PDT encrypts the first object voice flow according to the key information, obtains described first
Encrypt voice flow；
The base station PDT sends second speech frame via PDT equipment of the core network, Xiang Suoshu LTE terminal, wherein described
It include: the first encryption voice flow in second speech frame.
Optionally, first equipment receives described second after second equipment receives the key information
The third speech frame that equipment is sent, and the second encryption voice flow is decrypted according to the key information, it obtains described
Second target voice stream, comprising:
The base station PDT receives the third speech frame that the LTE terminal is sent, the third via PDT equipment of the core network
It include: the second encryption voice flow in speech frame；
The base station PDT is decrypted the second encryption voice flow according to the key information, obtains second target
Voice flow；
The base station PDT is eated dishes without rice or wine by PDT, sends the second target voice stream to PDT terminal.
Optionally, first equipment is LTE terminal, and second equipment is the base station PDT.
Optionally, first equipment sends the first speech frame to the second equipment, comprising:
The LTE terminal encrypts third target voice stream according to the key information, obtains third encryption voice
Stream；
The LTE terminal sends first voice via LTE base station and LTE core network equipment, the base station Xiang Suoshu PDT
Frame, wherein including: the key information and the first encryption voice flow, the first encryption voice in the first language frame
Position where stream is located at after the position where the key information.
Optionally, after second equipment receives the key information, Xiang Suoshu second is set first equipment
Preparation send the second speech frame, comprising:
The LTE terminal encrypts the first object voice flow according to the key information, obtains described first
Encrypt voice flow；
The LTE terminal sends second speech frame via LTE base station and LTE core network, the base station Xiang Suoshu PDT,
Described in include: the first encrypted speech stream in second language frame.
Optionally, first equipment receives described second after second equipment receives the key information
The third speech frame that equipment is sent, and the second encryption voice flow is decrypted according to the key information, it obtains described
Second target voice stream, comprising:
The LTE terminal receives the third language that the base station PDT is sent via LTE base station and LTE core network equipment
Sound frame, wherein including: the second encryption voice flow in the third speech frame；
The LTE terminal is decrypted the second encryption voice flow according to the key information, obtains described second
Target voice stream.
Second aspect, the present invention provide a kind of end-to-end processing unit of audio call, when the end-to-end processing dress of audio call
When setting as the first equipment, the end-to-end processing unit of audio call includes:
Key sending module, for sending the first speech frame to the second equipment, wherein including: close in first speech frame
Key information；
Speech processing module, for first equipment after second equipment receives the key information, to
Second equipment sends the second speech frame, wherein second speech frame includes: the first encryption voice flow, first encryption
Voice flow first equipment is encrypted to obtain according to the key information to first object voice flow, so that described
Two equipment are decrypted the first encrypted speech stream according to the key information to obtain the first object voice flow；With/
Or
The third speech frame that second equipment is sent is received, wherein the third speech frame includes: the second encryption voice
Stream, the second encryption voice flow are that second equipment encrypt to the second target voice stream according to the key information
It arrives, and the second encryption voice flow is decrypted according to the key information, obtain the second target voice stream.
Optionally, in first speech frame further include: the first encryption voice flow, and where the first encryption voice flow
Position be located at after the position where the key information.
Optionally, first equipment is the base station PDT, and second equipment is LTE terminal.
Optionally, the key sending module, specifically for eating dishes without rice or wine to receive the control extension of PDT terminal transmission by PDT
Frame and third target voice stream；The control extension frame is parsed, the key information is obtained；According to the key information
The third target voice stream is encrypted, third encryption voice flow is obtained；Via PDT equipment of the core network, Xiang Suoshu LTE is whole
End sends first speech frame, wherein including: the key information and third encryption voice in first speech frame
Stream, the position where third encryption voice flow are located at after the position where the key information.
Optionally, the speech processing module receives described the first of the transmission of PDT terminal specifically for eating dishes without rice or wine by PDT
Target voice stream；The first object voice flow is encrypted according to the key information, obtains the first encryption voice
Stream；Via PDT equipment of the core network, Xiang Suoshu LTE terminal sends second speech frame, wherein wrapping in second speech frame
It includes: the first encryption voice flow.
Optionally, the speech processing module is specifically used for receiving the LTE terminal hair via PDT equipment of the core network
The third speech frame sent includes: the second encryption voice flow in the third speech frame；According to the key information to second
Encryption voice flow is decrypted, and obtains the second target voice stream；It is eated dishes without rice or wine by PDT, sends second mesh to PDT terminal
Mark voice flow.
Optionally, first equipment is LTE terminal, and second equipment is the base station PDT.
Optionally, the key sending module is specifically used for carrying out third target voice stream according to the key information
Encryption obtains third encryption voice flow；Via LTE base station and LTE core network equipment, the base station Xiang Suoshu PDT sends described first
Speech frame, wherein including: the key information and the first encryption voice flow, first encryption in the first language frame
Position where voice flow is located at after the position where the key information.
Optionally, the speech processing module is specifically used for according to the key information to the first object voice flow
It is encrypted, obtains the first encryption voice flow；Via LTE base station and LTE core network, described in the base station Xiang Suoshu PDT is sent
Second speech frame, wherein including: the first encrypted speech stream in the second language frame.
Optionally, the speech processing module is specifically used for via LTE base station and LTE core network equipment, described in reception
The third speech frame that PDT system is sent, wherein including: the second encryption voice flow in the third speech frame；According to
The second encryption voice flow is decrypted in the key information, obtains the second target voice stream.
The third aspect, the present invention provide a kind of PDT system, comprising: PDT terminal, PDT equipment of the core network and such as second aspect
First equipment, first equipment are the base station PDT.
Fourth aspect, the present invention provide a kind of LTE system, comprising: the base station PDT, PDT equipment of the core network and such as second aspect
First equipment, first equipment are LTE terminal.
5th aspect, the present invention provide a kind of computer readable storage medium, are stored thereon with computer program, the meter
Audio call end-to-end processing method described in first aspect is realized when calculation machine program is executed by processor.
5th aspect, the present invention provide a kind of communication equipment, comprising:
Processor；And
Memory, for storing the executable instruction of the processor；
Wherein, the processor is configured to exhale via the execution executable instruction to execute voice described in first aspect
It is end-to-end processing method.
Audio call end-to-end processing method provided by the invention, device and system, by the first equipment to the second equipment
The first speech frame is transmitted, and includes key information in the first speech frame, enables the second equipment to obtain key information, and then make
The first equipment and the second equipment can complete the process that voice flow mutually transmits, realize the first system comprising the first equipment with
The end-to-end processing of audio call between second system comprising the second equipment.Using key information as voice flow in the present invention
Channel associated signalling has unified not homologous ray and has carried out encryption and decryption to voice flow by being transmitted on data surface preferentially in systems
Used key information realizes the voice between not homologous ray so that can not complete the transmission of voice flow between homologous ray
End-to-end processing is called, solves the safety problem of voice transfer in existing audio call end-to-end processing method.
Detailed description of the invention
It, below will be to embodiment or existing in order to clearly demonstrate the embodiment of the present invention or technical solution in the prior art
Attached drawing needed in technical description is briefly described, it should be apparent that, the accompanying drawings in the following description is the present invention
Some embodiments of embodiment, for those of ordinary skill in the art, without any creative labor, also
Other drawings may be obtained according to these drawings without any creative labor.
Fig. 1 is the flow chart of audio call end-to-end processing method provided by the invention；
Fig. 2 is the signaling process figure of audio call end-to-end processing method provided by the invention；
Fig. 3 is the signaling process figure of audio call end-to-end processing method provided by the invention；
Fig. 4 is the structural schematic diagram of the end-to-end processing system of audio call provided by the invention；
Fig. 5 is the structural schematic diagram of PDT system provided by the invention；
Fig. 6 is the structural schematic diagram of LTE system provided by the invention；
Fig. 7 is the hardware structural diagram of communication equipment provided by the invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the embodiment of the present invention, instead of all the embodiments.Based on the embodiment in the embodiment of the present invention, this field
Those of ordinary skill's every other embodiment obtained without making creative work, belongs to implementation of the present invention
The range of example protection.
Currently, since key information can not be transmitted between PDT system and LTE system on signaling plane, cause PDT system and
It cannot achieve the end-to-end processing of audio call between LTE system.It is exhaled in this way, carrying out voice between PDT system and LTE system
When crying end-to-end processing, encryption and decryption first can only be carried out to voice flow in respective inside and docked again, and butted part can only be used
In plain text, the safety of butted part can not be ensured.Based on above-mentioned problem, to be arranged in the first system in the present embodiment
The first equipment be executing subject, and the first system can be PDT system, the first equipment is the base station PDT or the first system is
LTE system, the first equipment are LTE equipment, can be under the basis for not changing PDT system and LTE system framework, by key information
It as the channel associated signalling of voice flow, is transmitted by the data surface of PDT system or LTE system, so that PDT system and LTE system
It can be realized the end-to-end processing of audio call between system.In the following, by specific embodiment, to audio call end-to-end processing method
Specific implementation be described in detail.
Fig. 1 is the flow chart of audio call end-to-end processing method provided by the invention, as shown in Figure 1, the present embodiment
Audio call end-to-end processing method may include:
S101, the first equipment send the first speech frame to the second equipment, wherein including: key information in the first speech frame.
Specifically, since the first equipment and the second equipment are belonging respectively to the first system and second system, and the first system and
Second is two different systems, therefore, between the first system and second system is that key information can not be carried out on signaling plane
Transmitting.To solve the above-mentioned problems, the first equipment can pass through data surface using key information as the channel associated signalling of voice flow
It is transmitted to the second equipment.
Further, when the second equipment knows that the first equipment carries out key information used by encryption and decryption to voice flow,
The mutual transmission of voice flow can be carried out between first equipment and the second equipment, realize that the voice between affiliated two systems is exhaled
Cry end-to-end processing.When the first equipment sends first object voice flow to the second equipment, S102 is executed；When the second equipment is to
When one equipment sends the second target voice stream, S103 is executed.
S102, the first equipment send the second speech frame after the second equipment receives key information, to the second equipment,
In the second speech frame include: the first encryption voice flow, the first encryption voice flow be the first equipment according to key information to the first mesh
Poster sound stream is encrypted, so that the second equipment is decrypted the first encrypted speech stream according to key information to obtain
One target voice stream.
Specifically, the second equipment can send to other equipment after receiving key information and receive key information
Instruction, which can be sent to the first equipment by other equipment, so as to know that the second equipment has been received close for the first equipment
Key information.
Further, the letter of key used by encryption and decryption is carried out to target voice stream since the second equipment obtains the first equipment
Breath, therefore, the first equipment can send first object voice flow to the second equipment, since the format of first object voice flow is a variety of
Multiplicity, therefore, in order to guarantee that the uniformity and safety of first object voice flow, the first equipment can be according to key informations to
One target voice stream is encrypted, and the first encryption voice flow is obtained, and has unified the format of voice flow, and be convenient for safe transmission.This
Sample, the first equipment can send the second speech frame to the second equipment, and the first encryption voice flow is only carried in the second speech frame.
Wherein, the format of the first speech frame and the second speech frame is the first pre-set transformat of equipment, and first adds
The data volume size of close voice flow can be determined according to the format of the second speech frame, and therefore, the first equipment can be according to
The size of size selection the first encryption voice flow of two speech frames, until transferring the voice flow of all encryptions.And this
Embodiment neither limits particular content, size and the type of first object voice flow, key information and the first encryption voice flow
It is fixed.
S103, the first equipment receive the third voice that the second equipment is sent after the second equipment receives key information
Frame, wherein third speech frame includes: the second encryption voice flow, and the second encryption voice flow is the second equipment according to key information to the
What two target voice streams were encrypted, and the second encryption voice flow is decrypted according to key information, obtain the second mesh
Mark voice flow.
Specifically, the second equipment can send to other equipment after receiving key information and receive key information
Instruction, which can be sent to the first equipment by other equipment, so as to know that the second equipment has been received close for the first equipment
Key information.
Further, the letter of key used by encryption and decryption is carried out to target voice stream since the second equipment obtains the first equipment
Breath, therefore, the first equipment can receive the second equipment and send the second target voice stream, since the format of the second target voice stream is more
Kind multiplicity, therefore, in order to guarantee that the uniformity and safety of the second target voice stream, the second equipment can be according to key informations pair
Second target voice stream is encrypted, and the second encryption voice flow is obtained, and has unified the format of voice flow, and be convenient for safe transmission.
In this way, the first equipment can receive the third speech frame of the second equipment transmission, and second is only carried in third speech frame and is added
Close voice flow.
Wherein, the format of third speech frame is the pre-set transformat of the second equipment, the number of the second encryption voice flow
It can be determined according to the format of third speech frame according to amount size, therefore, the second equipment can be according to the big of third speech frame
The size of small the second encryption of selection voice flow, until transferring the voice flow of all encryptions.And the present embodiment is to second
Particular content, size and the type of target voice stream, key information and the second encryption voice flow are all without limitation.
Audio call end-to-end processing method provided in this embodiment transmits the first language to the second equipment by the first equipment
Sound frame, and include key information in the first speech frame, enable the second equipment to obtain key information, so that the first equipment
The process that voice flow mutually transmits can be completed with the second equipment, realizes that the first system comprising the first equipment is set with comprising second
The end-to-end processing of audio call between standby second system.Believing with road using key information as voice flow in the present embodiment
It enables, by being transmitted on data surface preferentially in systems, has unified not homologous ray and voice flow progress encryption and decryption is used
Key information realize the audio call end between not homologous ray so that the transmission of voice flow can not completed between homologous ray
It is handled to end, solves the safety problem of voice transfer in existing audio call end-to-end processing method.
On the basis of the above embodiments, the first equipment can determine that the first speech frame only includes key information, convenient for the
Two equipment can quickly obtain key information.Wherein, the position of key information can be the frame head of the first speech frame, be also possible to
Other positions, the present embodiment do not limit this.
Further, when the first equipment needs to transmit third voice flow to the second equipment, optionally, in the first speech frame
Further include: the first encryption voice flow, and the position where the first encryption voice flow is located at after the position where key information.
Specifically, third can be encrypted voice flow and taken by the first equipment while to the second equipment transmission key information
Band is transmitted together in the first speech frame, not only key information is transmitted, but also also as save transmission money
Source can encrypt speech frame to third by the key information received and carry out when the second equipment receives the first speech frame
Decryption, obtains third target voice stream, accelerates the speed of voice flow transmission.Wherein, the first equipment can root in the present embodiment
It chooses whether for third encryption voice flow to be carried in the first speech frame according to specific actual demand, the present embodiment does not limit this
It is fixed.
Further, for ease of description, the first speech frame uses the side comprising key information and third encryption voice flow
For formula, below with reference to Fig. 2 and Fig. 3, the specific implementation of audio call end-to-end processing method is described in detail.
Embodiment one
On the basis of above-mentioned Fig. 1 embodiment, when the first equipment is the base station PDT, and the second equipment is LTE terminal, include
The first system of first equipment is PDT system, wherein PDT system further include: when PDT terminal and PDT equipment of the core network, in conjunction with
The specific implementation of the audio call end-to-end processing method of the present embodiment is described in detail in Fig. 2.
Fig. 2 is the signaling process figure of audio call end-to-end processing method provided by the invention, as shown in Fig. 2, this implementation
Example audio call end-to-end processing method may include:
S201, PDT terminal send end-to-end process instruction to LTE terminal, wherein end-to-end process instruction is used to indicate
End-to-end encryption and decryption is executed according to key information when handling voice flow.
Specifically, when PDT system initiates audio call to LTE system, PDT terminal can be first passed through and sent out to LTE terminal
Send end-to-end process instruction so that LTE terminal carry out receive key information preparation, and between PDT system and LTE system into
When row voice flow transmits, need to carry out encryption and decryption using identical key information.Wherein, the present embodiment is to end-to-end process instruction
Concrete type without limitation.
S202, PDT terminal eat dishes without rice or wine to send control extension frame and third target voice stream to the base station PDT by PDT.
Specifically, available key information after being parsed due to control extension frame, third target voice stream are the base station PDT
Need to LTE terminal transmit voice, therefore, PDT terminal can be eated dishes without rice or wine by PDT to the base station PDT send control extension frame and
Third target voice stream.
The base station S203, PDT parses control extension frame, obtains key information, and according to key information to third mesh
Poster sound stream is encrypted, and third encryption voice flow is obtained.
Specifically, it is received in the first speech frame in the base station PDT and not only includes key information but also include the first encryption voice flow
When, the base station PDT not only needs to parse control extension frame, obtains key information, it is also necessary to flow into third target voice
Row encryption obtains third encryption voice flow.
The base station S204, PDT to PDT core net send the first speech frame, wherein include: in the first speech frame key information and
Third encrypts voice flow, and the position where third encryption voice flow is located at after the position where key information.
S205, PDT core net send the first speech frame to LTE terminal by interconnecting interface.
Specifically, the first speech frame received is sent to PDT core net by the base station PDT, and PDT core net passes through interconnection again
Intercommunication interface sends the first speech frame to LTE terminal.Position as where third encrypts voice flow is located at where key information
Position after, therefore, LTE terminal can preferentially obtain key information by the first speech frame.LTE terminal can pass through
Third encryption voice flow is decrypted, third target voice stream is obtained.Wherein, the present embodiment is to the specific of the interface that interconnects
Type is without limitation.
Further, when key information used by knowing that the base station PDT encrypts voice flow in LTE terminal, LTE is whole
Control extension frame used by the base station PDT is just known at end, therefore, voice flow can be carried out between PDT system and LTE system
Mutual transmission, realize the end-to-end processing of audio call between PDT system and LTE system.When PDT system is needed to LTE system
When system transmission voice flow, S206 is executed；When LTE system needs to transmit voice flow to PDT system, S210 is executed.
S206, PDT terminal eat dishes without rice or wine to send first object voice flow to the base station PDT by PDT.
The base station S207, PDT encrypts first object voice flow according to key information, obtains the first encryption voice flow.
The base station S208, PDT sends the second speech frame to PDT core net, wherein including: the first encryption language in the second speech frame
Sound stream.
S209, PDT core net send the second speech frame to LTE terminal by interconnecting interface.
Specifically, PDT terminal can eat dishes without rice or wine to send first object voice flow to the base station PDT by PDT, wherein the first mesh
Mark voice flow is the voice flow that PDT terminal currently needs to transmit.In this way, since the base station PDT has learned that LTE terminal is used
Key information, therefore, the base station PDT can encrypt first object voice flow according to key information, obtain the first encryption
Voice flow.Wherein, the format of the first encryption voice flow is the pre-set transformat in the base station PDT, and the present embodiment does not do this
It limits.
Further, the base station PDT can send the second speech frame to PDT equipment of the core network, and PDT equipment of the core network can
The second speech frame is sent to LTE terminal by interconnecting interface.The key information and PDT base received due to LTE terminal
The key information used of standing is identical, therefore, in the second speech frame only carries the first encryption voice flow, does not include key information,
Transfer resource can be saved, efficiency of transmission is improved.In turn, LTE terminal can be according to key information in the second speech frame
First encryption voice flow is decrypted, and obtains first object voice flow, completes the mistake that PDT system sends voice flow to LTE system
Journey realizes the end-to-end processing of audio call between PDT system and LTE system.Wherein, first object voice flow can be third
The part that target voice stream is not transmitted, or other need the voice flow transmitted, and the present embodiment does not limit this.
S210, LTE terminal encrypt the second target voice stream according to key information, obtain the second encryption voice flow.
S211, LTE terminal send third speech frame to PDT equipment of the core network by interconnecting interface, wherein third language
It include: the second encryption voice flow in sound frame.
S212, PDT equipment of the core network send third speech frame to the base station PDT.
The base station S213, PDT is decrypted the second encryption voice flow according to key information, obtains the second target voice stream.
It eats dishes without rice or wine to send the second target voice stream to PDT terminal by PDT in the base station S214, PDT.
Specifically, when receiving the key information of the base station PDT transmission, LTE system can be sent out LTE terminal to PDT system
Audio call is played, realizes the transmission of voice flow.LTE terminal can be first according to the key information received to the second target voice stream
It being encrypted, obtains the second encryption voice flow, wherein the second target voice stream is the voice flow that LTE terminal currently needs to transmit,
And second the format of encrypted speech stream be the pre-set transformat of LTE terminal, the present embodiment do not limit this.
Further, LTE terminal can only carry the second encryption voice flow in third speech frame, reduce transfer resource
Waste, and improve efficiency of transmission, and by interconnect interface to PDT core net send third speech frame, PDT core net is again
Third speech frame is sent to the base station PDT.
Further, the key information as used by the base station PDT is identical as the key information that LTE terminal receives, because
This, the base station PDT can be decrypted the second encryption voice flow in third speech frame according to key information, obtain the second target
Voice flow.Then, the base station PDT eats dishes without rice or wine to send the second target voice stream to PDT terminal by PDT, completes LTE system to PDT system
System sends the process of voice flow, realizes the end-to-end processing of audio call between LTE system and PDT system.
Audio call end-to-end processing method provided in this embodiment transmits the first voice to LTE terminal by the base station PDT
Frame, includes key information and voice flow in the first speech frame, and after the position of key information is arranged in the position of voice flow,
Enable LTE terminal to be preferentially received key information, and then completes the biography of PDT system and the mutual voice flow of LTE system
Defeated process realizes the end-to-end processing of audio call between PDT system and LTE system.In the present embodiment using key information as
The channel associated signalling of voice flow has unified PDT system and LTE system pair by being transmitted on data surface preferentially in systems
Voice flow carries out key information used by encryption and decryption, so that can complete the biography of voice flow between PDT system and LTE system
It is defeated, it realizes the end-to-end processing of audio call between PDT system and LTE system, solves the end-to-end place of existing audio call
The safety problem of voice transfer in reason method.
Embodiment two
On the basis of above-mentioned Fig. 1 embodiment, when the first equipment is LTE terminal, and the second equipment is the base station PDT, include
The first system of first equipment is LTE system, wherein LTE system further include: when the base station LTE and LTE core network equipment, in conjunction with
The specific implementation of the audio call end-to-end processing method of the present embodiment is described in detail in Fig. 3.
Fig. 3 is the signaling process figure of audio call end-to-end processing method provided by the invention, as shown in figure 3, this implementation
Example audio call end-to-end processing method may include:
The PDT terminal of S301, LTE terminal into PDT system sends end-to-end process instruction, wherein end-to-end process instruction
It is used to indicate and end-to-end encryption and decryption is executed according to key information when handling voice flow.
Specifically, when LTE system initiates audio call to PDT system, LTE terminal can be first passed through and sent out to PDT terminal
End-to-end process instruction is sent, PDT terminal sends end-to-end process instruction to the base station PDT again, so that reception key is carried out in the base station PDT
The preparation of information, and between LTE system and PDT system when carrying out voice flow transmission, need using identical key information into
Row encryption and decryption.Wherein, the present embodiment to the concrete mode of end-to-end process instruction without limitation.
S302, LTE terminal encrypt third target voice stream according to key information, obtain third encryption voice flow.
S303, LTE terminal send the first speech frame to LTE base station, wherein including: key information and the in the first speech frame
Three encryption voice flows, the position where third encryption voice flow are located at after the position where key information.
S304, LTE base station send the first speech frame to LTE core network.
S305, LTE core network send the first speech frame to the base station PDT by interconnecting interface.
Specifically, since key information has been received in LTE terminal, LTE terminal can be according to key information to
Three target voice streams are encrypted, and third encryption voice flow is obtained.First speech frame is sent to LTE base station again by LTE terminal,
LTE base station sends the first speech frame to LTE core network, and then LTE core network sends the to the base station PDT by interconnecting interface
One speech frame.After the position where the position where third encryption voice flow is located at key information, the base station PDT
Key information can be preferentially obtained by the first speech frame.The base station PDT can add third according to the key information received
Cipher sound stream is decrypted, and obtains third target voice stream.Wherein, the present embodiment to the concrete type of the interface that interconnects neither
It limits.
Further, when key information used by knowing that LTE terminal encrypts voice flow in the base station PDT, PDT base
Control extension frame used by LTE terminal can be known by standing, and therefore, language stream can be carried out between LTE terminal and the base station PDT
The end-to-end processing of audio call between LTE system and PDT system is realized in mutually transmission.When LTE system is needed to PDT system
When transmitting voice flow, S306 is executed；When PDT system needs to transmit voice flow to LTE system, S310 is executed.
S306, LTE terminal encrypt first object voice flow according to key information, obtain the first encryption voice flow.
S307, LTE terminal send the second speech frame to LTE base station, wherein including: the first encryption voice in the second speech frame
Stream.
S308, LTE base station send the second speech frame to LTE core network.
S309, LTE core network send the second speech frame to the base station PDT by interconnecting interface.
Specifically, since LTE terminal has learned that key information used by the base station PDT, LTE terminal can root
First object voice flow is encrypted according to key information, obtains the first encryption voice flow, wherein first object voice flow is
The format of the voice flow that LTE terminal currently needs to transmit, the first encryption voice flow is the pre-set transformat of LTE terminal,
The present embodiment does not limit this.
Further, LTE terminal can only carry the first encryption voice flow in the second speech frame, reduce transfer resource
Waste, and improve efficiency of transmission, then send the second speech frame to LTE base station, in turn, LTE base station is to LTE core network equipment
The second speech frame is sent, the second speech frame is sent to the base station PDT by interconnecting interface again by LTE core network equipment.Due to
The key information that the base station PDT receives is identical as the key information that LTE terminal uses, and therefore, the base station PDT can be according to close
The first encryption voice flow in the second speech frame is decrypted in key information, obtains first object voice flow, complete LTE system to
PDT system sends the process of voice flow, realizes the end-to-end processing of audio call between LTE system and PDT system.Wherein,
One target voice stream can be the part that third target voice stream is not transmitted, or other need the voice transmitted
Stream, the present embodiment do not limit this.
The base station S310, PDT encrypts the second target voice stream according to key information, obtains the second encryption voice flow.
The base station S311, PDT sends third speech frame to LTE core network equipment by interconnecting interface, wherein third language
It include: the second encryption voice flow in sound frame.
S312, LTE core network equipment send third speech frame to LTE base station.
S313, LTE base station send third speech frame to LTE terminal.
S314, LTE terminal are decrypted the second encryption voice flow according to key information, obtain third target voice stream.
Specifically, when receiving the key information of LTE terminal transmission, PDT system can be sent out to LTE system for the base station PDT
Audio call is played, realizes the transmission of language stream.It the base station PDT can be first according to the key information received to the second target voice stream
It being encrypted, obtains the second encryption voice flow, wherein the second target voice stream is the voice flow that the base station PDT currently needs to transmit,
And second the format of encrypted speech stream be the pre-set transformat in the base station PDT, the present embodiment do not limit this.
Further, the base station PDT can only carry the second encryption voice flow in third speech frame, reduce transfer resource
Waste, and improve efficiency of transmission, and by interconnect interface to LTE core network send third speech frame, LTE core network is again
Third speech frame is sent to LTE base station, then, LTE base station sends third speech frame to LTE terminal.
Further, the key information as used by LTE terminal is identical as the key information that the base station PDT receives, because
This, LTE terminal can be decrypted the second encryption voice flow in third speech frame according to key information, obtain the second target
Voice flow completes the process that PDT system sends voice flow to LTE system, realizes that the voice between PDT system and LTE system is exhaled
Cry end-to-end processing.
Audio call end-to-end processing method provided in this embodiment transmits the first voice to the base station PDT by LTE terminal
Frame, includes key information and voice flow in the first speech frame, and after the position of key information is arranged in the position of voice flow,
Enable the base station PDT to be preferentially received key information, and then completes the biography of LTE system and the mutual voice flow of PDT system
Defeated process realizes the end-to-end processing of audio call between LTE system and PDT system.In the present embodiment using key information as
The channel associated signalling of voice flow has unified LTE system and PDT system pair by being transmitted on data surface preferentially in systems
Voice flow carries out key information used by encryption and decryption, so that can complete the biography of voice flow between LTE system and PDT system
It is defeated, it realizes the end-to-end processing of audio call between LTE system and PDT system, solves the end-to-end place of existing audio call
The safety problem of voice transfer in reason method.
Fig. 4 is the structural schematic diagram of the end-to-end processing system of audio call provided by the invention, as shown in figure 4, working as voice
When calling end-to-end processing system 40 as the first system, the end-to-end processing system 40 of the audio call of the present embodiment includes:
Key sending module 41, for sending the first speech frame to the second equipment, wherein including: in first speech frame
Key information；
Speech processing module 42, for first equipment after second equipment receives the key information,
The second speech frame is sent to second equipment, wherein second speech frame includes: the first encryption voice flow, described first adds
Close voice flow first equipment is encrypted to obtain according to the key information to first object voice flow, so that described
Second equipment is decrypted the first encrypted speech stream according to the key information to obtain the first object voice flow；
And/or
The third speech frame that second equipment is sent is received, wherein the third speech frame includes: the second encryption voice
Stream, the second encryption voice flow are that second equipment encrypt to the second target voice stream according to the key information
It arrives, and the second encryption voice flow is decrypted according to the key information, obtain the second target voice stream.
Optionally, in first speech frame further include: the first encryption voice flow, and where the first encryption voice flow
Position be located at after the position where the key information.
Optionally, first equipment is the base station PDT, the second equipment LTE terminal.
Optionally, the key sending module 41, specifically for eating dishes without rice or wine to receive the encryption control of PDT terminal transmission by PDT
Frame processed and third target voice stream；The control extension frame is parsed, the key information is obtained；Believed according to the key
Breath encrypts the third target voice stream, obtains third encryption voice flow；Via PDT equipment of the core network, Xiang Suoshu LTE
Terminal sends first speech frame, wherein including: the key information and third encryption language in first speech frame
Sound stream, the position where third encryption voice flow are located at after the position where the key information.
Optionally, the speech processing module 42, specifically for eating dishes without rice or wine to receive described the of the transmission of PDT terminal by PDT
One target voice stream；The first object voice flow is encrypted according to the key information, obtains the first encryption language
Sound stream；Via PDT equipment of the core network, Xiang Suoshu LTE terminal sends second speech frame, wherein wrapping in second speech frame
It includes: the first encryption voice flow.
Optionally, the speech processing module 42 is specifically used for receiving the LTE terminal hair via PDT equipment of the core network
The third speech frame sent includes: the second encryption voice flow in the third speech frame；According to the key information to second
Encryption voice flow is decrypted, and obtains the second target voice stream；It is eated dishes without rice or wine by PDT, sends second mesh to PDT terminal
Mark voice flow.
Optionally, first equipment is LTE terminal, and second equipment is the base station PDT.
Optionally, the key sending module 41, specifically for being flowed into according to the key information to third target voice
Row encryption obtains third encryption voice flow；Via LTE base station and LTE core network equipment, the base station Xiang Suoshu PDT sends described the
One speech frame, wherein including: the key information and the first encryption voice flow in the first language frame, described first adds
Position where close voice flow is located at after the position where the key information.
Optionally, the speech processing module 42 is specifically used for according to the key information to the first object voice
Stream is encrypted, and the first encryption voice flow is obtained；Via LTE base station and LTE core network, the base station Xiang Suoshu PDT sends institute
The second speech frame is stated, wherein including: the first encrypted speech stream in the second language frame.
Optionally, the speech processing module 42 is specifically used for via LTE base station and LTE core network equipment, described in reception
The third speech frame that the base station PDT is sent, wherein including: the second encryption voice flow in the third speech frame；According to
The second encryption voice flow is decrypted in the key information, obtains the second target voice stream.
Above method embodiment can be performed in the end-to-end processing system of audio call provided in an embodiment of the present invention, specific
Implementing principle and technical effect, reference can be made to above method embodiment, details are not described herein again for the present embodiment.
Functional module can be carried out to the end-to-end processing system of audio call according to above method example in the present invention to draw
Point, for example, each functional module of each function division can be corresponded to, two or more functions can also be integrated in one
In a processing module.Above-mentioned integrated module both can take the form of hardware realization, can also be using software function module
Form is realized.It should be noted that being schematical, only a kind of logic function to the division of module in various embodiments of the present invention
It can divide, there may be another division manner in actual implementation.
Fig. 5 is the structural schematic diagram of PDT system provided by the invention.As shown in figure 5, the PDT system 50 includes: PDT end
End 51, PDT equipment of the core network 52 and the first equipment as described above, first equipment are the base station PDT 53.
PDT system provided in an embodiment of the present invention includes the base station PDT as described above, and above-described embodiment can be performed,
Principle and technical effect are implemented, reference can be made to above method embodiment, details are not described herein again for the present embodiment.
Fig. 6 is the structural schematic diagram of LTE system provided by the invention.As shown in fig. 6, the LTE system 60 includes: PDT base
It stands 61, PDT equipment of the core network 62 and the first equipment as described above, the first equipment, first equipment is LTE terminal 63.
LTE system provided in an embodiment of the present invention includes LTE terminal as described above, and above-described embodiment can be performed,
Principle and technical effect are implemented, reference can be made to above method embodiment, details are not described herein again for the present embodiment.
Fig. 7 is the hardware structural diagram of communication equipment provided by the invention.As shown in fig. 7, the communication equipment 70 includes:
Memory 71 and processor 72；
Memory 71, for storing computer program；
Processor 72, for executing the computer program of memory storage, to realize the robot mark in above-described embodiment
Determine method.It specifically may refer to the associated description in preceding method embodiment.
Optionally, memory 71 can also be integrated with processor 72 either independent.
When the memory 71 is independently of the device except processor 72, the communication equipment 70 can also include:
Bus 73, for connecting the memory 71 and processor 72.
Communication equipment provided in this embodiment can be used for executing above-mentioned audio call end-to-end processing method, realization side
Formula is similar with technical effect, and details are not described herein again for the present embodiment.
The present invention also provides a kind of computer readable storage medium, the computer readable storage medium includes computer journey
Sequence, the computer program is for realizing the audio call end-to-end processing method in embodiment as above.
In several embodiments provided by the present invention, it should be understood that disclosed device and method can pass through it
Its mode is realized.For example, apparatus embodiments described above are merely indicative, for example, the division of the module, only
Only a kind of logical function partition, there may be another division manner in actual implementation, for example, multiple modules can combine or
It is desirably integrated into another system, or some features can be ignored or not executed.Another point, it is shown or discussed it is mutual it
Between coupling, direct-coupling or communication connection can be through some interfaces, the INDIRECT COUPLING or communication link of device or module
It connects, can be electrical property, mechanical or other forms.
The module as illustrated by the separation member may or may not be physically separated, aobvious as module
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.Some or all of the modules therein can be selected to realize the mesh of this embodiment scheme according to the actual needs
's.
It, can also be in addition, each functional module in each embodiment of the present invention can integrate in one processing unit
It is that modules physically exist alone, can also be integrated in one unit with two or more modules.Above-mentioned module at
Unit both can take the form of hardware realization, can also realize in the form of hardware adds SFU software functional unit.
The above-mentioned integrated module realized in the form of software function module, can store and computer-readable deposit at one
In storage media.Above-mentioned software function module is stored in a storage medium, including some instructions are used so that a computer
Equipment (can be personal computer, server or the network equipment etc.) or processor (English: processor) execute this Shen
Please each embodiment the method part steps.
It should be understood that above-mentioned processor can be central processing unit (English: Central Processing Unit, letter
Claim: CPU), can also be other general processors, digital signal processor (English: Digital Signal Processor,
Referred to as: DSP), specific integrated circuit (English: Application Specific Integrated Circuit, referred to as:
ASIC) etc..General processor can be microprocessor or the processor is also possible to any conventional processor etc..In conjunction with hair
The step of bright disclosed method, can be embodied directly in hardware processor and execute completion, or with hardware in processor and soft
Part block combiner executes completion.
Memory may include high speed RAM memory, it is also possible to and it further include non-volatile memories NVM, for example, at least one
Magnetic disk storage can also be USB flash disk, mobile hard disk, read-only memory, disk or CD etc..
Bus can be industry standard architecture (Industry Standard Architecture, ISA) bus, outer
Portion's apparatus interconnection (Peripheral Component, PCI) bus or extended industry-standard architecture (Extended
Industry Standard Architecture, EISA) bus etc..Bus can be divided into address bus, data/address bus, control
Bus etc..For convenient for indicating, the bus in illustrations does not limit only a bus or a type of bus.
Above-mentioned computer readable storage medium can be by any kind of volatibility or non-volatile memory device or
Their combination realizes that, such as static random access memory (SRAM), electrically erasable programmable read-only memory (EEPROM) can
Erasable programmable read-only memory (EPROM) (EPROM), programmable read only memory (PROM), read-only memory (ROM), magnetic memory,
Flash memory, disk or CD.Storage medium can be any usable medium that general or specialized computer can access.
Those of ordinary skill in the art will appreciate that: realize that all or part of the steps of above-mentioned each method embodiment can lead to
The relevant hardware of program instruction is crossed to complete.Program above-mentioned can be stored in a computer readable storage medium.The journey
When being executed, execution includes the steps that above-mentioned each method embodiment to sequence；And storage medium above-mentioned include: ROM, RAM, magnetic disk or
The various media that can store program code such as person's CD.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (24)
1. a kind of voice call end-to-end processing method characterized by comprising
First equipment sends the first speech frame to the second equipment, wherein including: key information in first speech frame；
For first equipment after second equipment receives the key information, the second equipment of Xiang Suoshu sends the second language
Sound frame, wherein second speech frame includes: the first encryption voice flow, the first encryption voice flow is the first equipment root
First object voice flow is encrypted according to the key information, so that second equipment is according to the key information
The first encrypted speech stream is decrypted to obtain the first object voice flow；And/or
The third speech frame that second equipment is sent is received, wherein the third speech frame includes: the second encryption voice flow, institute
It states the second encryption voice flow second equipment and the second target voice stream is encrypted to obtain according to the key information,
And the second encryption voice flow is decrypted according to the key information, obtain the second target voice stream.
2. the method according to claim 1, wherein in first speech frame further include: the first encryption voice
Stream, and the position where the first encryption voice flow is located at after the position where the key information.
3. according to the method described in claim 2, it is characterized in that, first equipment is the base station police Digital Clustering PDT, institute
Stating the second equipment is LTE terminal.
4. according to the method described in claim 3, it is characterized in that, first equipment sends the first voice to the second equipment
Frame, comprising:
It eats dishes without rice or wine to receive the control extension frame and third target voice stream of the transmission of PDT terminal by PDT in the base station PDT；
The base station PDT parses the control extension frame, obtains the key information, and according to the key information pair
The third target voice stream is encrypted, and third encryption voice flow is obtained；
The base station PDT is via PDT equipment of the core network, and Xiang Suoshu LTE terminal sends first speech frame, wherein described first
It include: the key information and third encryption voice flow, the position position where the third encryption voice flow in speech frame
After the position where the key information.
5. according to the method described in claim 3, it is characterized in that, first equipment received in second equipment it is described
After key information, the second equipment of Xiang Suoshu sends the second speech frame, comprising:
It eats dishes without rice or wine to receive the first object voice flow of PDT terminal transmission by PDT in the base station PDT；
The base station PDT encrypts the first object voice flow according to the key information, obtains first encryption
Voice flow；
The base station PDT is via PDT equipment of the core network, and Xiang Suoshu LTE terminal sends second speech frame, wherein described second
It include: the first encryption voice flow in speech frame.
6. according to the method described in claim 3, it is characterized in that, first equipment received in second equipment it is described
After key information, the third speech frame that second equipment is sent is received, and add to described second according to the key information
Cipher sound stream is decrypted, and obtains the second target voice stream, comprising:
The base station PDT receives the third speech frame that the LTE terminal is sent, the third voice via PDT equipment of the core network
It include: the second encryption voice flow in frame；
The base station PDT is decrypted the second encryption voice flow according to the key information, obtains second target voice
Stream；
The base station PDT is eated dishes without rice or wine by PDT, sends the second target voice stream to PDT terminal.
7. according to the method described in claim 2, second equipment is it is characterized in that, first equipment is LTE terminal
The base station PDT.
8. the method according to the description of claim 7 is characterized in that first equipment sends the first voice to the second equipment
Frame, comprising:
The LTE terminal encrypts third target voice stream according to the key information, obtains third encryption voice flow；
The LTE terminal sends first speech frame via LTE base station and LTE core network equipment, the base station Xiang Suoshu PDT,
Described in include: the key information and the first encryption voice flow, first encryption voice flow institute in first language frame
Position be located at the position where the key information after.
9. the method according to the description of claim 7 is characterized in that first equipment received in second equipment it is described
After key information, the second equipment of Xiang Suoshu sends the second speech frame, comprising:
The LTE terminal encrypts the first object voice flow according to the key information, obtains first encryption
Voice flow；
The LTE terminal sends second speech frame via LTE base station and LTE core network, the base station Xiang Suoshu PDT, wherein institute
Stating in second language frame includes: the first encrypted speech stream.
10. the method according to the description of claim 7 is characterized in that first equipment receives institute in second equipment
After stating key information, the third speech frame that second equipment is sent is received, and according to the key information to described second
Encryption voice flow is decrypted, and obtains the second target voice stream, comprising:
The LTE terminal receives the third voice that the base station PDT is sent via LTE base station and LTE core network equipment
Frame, wherein including: the second encryption voice flow in the third speech frame；
The LTE terminal is decrypted the second encryption voice flow according to the key information, obtains second target
Voice flow.
11. a kind of end-to-end processing unit of audio call, which is characterized in that when the end-to-end processing unit of the audio call is the
When one equipment, the end-to-end processing unit of audio call includes:
Key sending module, for sending the first speech frame to the second equipment, wherein including: key letter in first speech frame
Breath；
Speech processing module, for first equipment after second equipment receives the key information, Xiang Suoshu
Second equipment sends the second speech frame, wherein second speech frame includes: the first encryption voice flow, the first encryption voice
It flows first equipment first object voice flow is encrypted to obtain according to the key information, so that described second sets
It is standby that the first encrypted speech stream is decrypted according to the key information to obtain the first object voice flow；And/or
The third speech frame that second equipment is sent is received, wherein the third speech frame includes: the second encryption voice flow, institute
It states the second encryption voice flow second equipment and the second target voice stream is encrypted to obtain according to the key information,
And the second encryption voice flow is decrypted according to the key information, obtain the second target voice stream.
12. device according to claim 11, which is characterized in that in first speech frame further include: the first encryption language
Sound stream, and the position where the first encryption voice flow is located at after the position where the key information.
13. device according to claim 12, which is characterized in that first equipment is the base station PDT, second equipment
For LTE terminal.
14. device according to claim 13, which is characterized in that the key sending module is specifically used for through PDT sky
Mouth receives the control extension frame and third target voice stream that PDT terminal is sent；The control extension frame is parsed, institute is obtained
State key information；The third target voice stream is encrypted according to the key information, obtains third encryption voice flow；Through
By PDT equipment of the core network, Xiang Suoshu LTE terminal sends first speech frame, wherein including: described in first speech frame
Key information and the third encrypt voice flow, and the position where the third encryption voice flow is located at where the key information
Position after.
15. device according to claim 13, which is characterized in that the speech processing module is specifically used for through PDT sky
Mouth receives the first object voice flow that PDT terminal is sent；The first object voice is flowed into according to the key information
Row encryption obtains the first encryption voice flow；Via PDT equipment of the core network, Xiang Suoshu LTE terminal sends second voice
Frame, wherein including: the first encryption voice flow in second speech frame.
16. device according to claim 13, which is characterized in that the speech processing module is specifically used for via PDT core
Heart net equipment, receives the third speech frame that the LTE terminal is sent, and includes: the second encryption language in the third speech frame
Sound stream；The second encryption voice flow is decrypted according to the key information, obtains the second target voice stream；Pass through PDT
It eats dishes without rice or wine, sends the second target voice stream to PDT terminal.
17. device according to claim 12, which is characterized in that first equipment is LTE terminal, second equipment
For the base station PDT.
18. device according to claim 17, which is characterized in that the key sending module is specifically used for according to
Key information encrypts third target voice stream, obtains third encryption voice flow；It is set via LTE base station and LTE core network
Standby, the base station Xiang Suoshu PDT sends first speech frame, wherein including: the key information and institute in the first language frame
State the first encryption voice flow, the position where the first encryption voice flow is located at after the position where the key information.
19. device according to claim 17, which is characterized in that the speech processing module is specifically used for according to
Key information encrypts the first object voice flow, obtains the first encryption voice flow；Via LTE base station and LTE
Core net, the base station Xiang Suoshu PDT send second speech frame, wherein including: first encryption in the second language frame
Language stream.
20. device according to claim 17, which is characterized in that the speech processing module is specifically used for via LTE base
It stands and LTE core network equipment, the third speech frame that the base station PDT is sent is received, wherein wrapping in the third speech frame
It includes: the second encryption voice flow；The second encryption voice flow is decrypted according to the key information, obtains described the
Two target voice streams.
21. a kind of PDT system characterized by comprising PDT terminal, PDT equipment of the core network and such as claim 13-16 are any
The first equipment described in, first equipment are the base station PDT.
22. a kind of LTE system characterized by comprising the base station PDT, PDT equipment of the core network and such as claim 17-20 are any
The first equipment described in, first equipment are LTE terminal.
23. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the computer program
Claim 1-10 described in any item audio call end-to-end processing methods are realized when being executed by processor.
24. a kind of communication equipment characterized by comprising
Processor；And
Memory, for storing the executable instruction of the processor；
Wherein, the processor is configured to require 1-10 described in any item via executing the executable instruction and carry out perform claim
Audio call end-to-end processing method.
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| Application Number | Priority Date | Filing Date | Title |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150180663A1 (en) * | 2013-12-19 | 2015-06-25 | Samsung Electronics Co., Ltd. | Method and apparatus for performing secure voice call |
| CN107733833A (en) * | 2016-08-10 | 2018-02-23 | 中国电信股份有限公司 | A kind of CDMA and the voice intercommunication method and system of VoLTE terminals |
-
2018
- 2018-04-27 CN CN201810395804.4A patent/CN110418340B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150180663A1 (en) * | 2013-12-19 | 2015-06-25 | Samsung Electronics Co., Ltd. | Method and apparatus for performing secure voice call |
| CN107733833A (en) * | 2016-08-10 | 2018-02-23 | 中国电信股份有限公司 | A kind of CDMA and the voice intercommunication method and system of VoLTE terminals |
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