CN107426185A - A kind of communication means and system - Google Patents
A kind of communication means and system Download PDFInfo
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- CN107426185A CN107426185A CN201710479497.3A CN201710479497A CN107426185A CN 107426185 A CN107426185 A CN 107426185A CN 201710479497 A CN201710479497 A CN 201710479497A CN 107426185 A CN107426185 A CN 107426185A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
- H04L63/0869—Network architectures or network communication protocols for network security for authentication of entities for achieving mutual authentication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/185—Space-based or airborne stations; Stations for satellite systems
- H04B7/1851—Systems using a satellite or space-based relay
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/12—Applying verification of the received information
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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
- H04L65/1101—Session protocols
- H04L65/1104—Session initiation protocol [SIP]
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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
- H04L65/60—Network streaming of media packets
- H04L65/65—Network streaming protocols, e.g. real-time transport protocol [RTP] or real-time control protocol [RTCP]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/06—Authentication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/06—Optimizing the usage of the radio link, e.g. header compression, information sizing, discarding information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/56—Allocation or scheduling criteria for wireless resources based on priority criteria
- H04W72/566—Allocation or scheduling criteria for wireless resources based on priority criteria of the information or information source or recipient
- H04W72/569—Allocation or scheduling criteria for wireless resources based on priority criteria of the information or information source or recipient of the traffic information
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Abstract
The embodiments of the invention provide a kind of communication means and system.Communication means provided in an embodiment of the present invention is applied in communication system, and the communication system includes：LTE network system, satellite backhaul system and transit gateway and public network telephone system, this method include：The packet for the carrying communication request that LTE network system is sent by LTE network receiving terminal, and deliver a packet to satellite backhaul system, then, after satellite backhaul system receives packet, packet is transmitted to transit gateway and public network telephone system, then, transit gateway and public network telephone system are addressed according to packet, obtain destination address, finally, packet is transferred to destination address by transit gateway and public network telephone system, to establish the communication between terminal and destination address.Therefore, technical scheme provided in an embodiment of the present invention can improve prior art to a certain extent based on Wi Fi VOIP communications securities and flexibility.
Description
【Technical field】
The present invention relates to communication technical field, more particularly to a kind of communication means and system.
【Background technology】
With making constant progress for wireless communication technology, long range wireless communication can be with Wireless Fidelity
The networking telephone (Voice over Internet Protocol, VOIP) of (Wireless Fidelity, Wi-Fi) is realized.
VOIP can digitize analog signal (Voice), in IP network (IP in the form of data packet (Data Packet)
Network real-time delivery is done on), so as to realize end-to-end communication.In the prior art, the VOIP based on Wi-Fi passes through Wi-Fi
Real-time performance, communication system receive the communication request of calling terminal by Wi-Fi network router, and in Wi-Fi network
Packet is passed into terminal called.
In process of the present invention is realized, inventor has found that at least there are the following problems in the prior art：
In the prior art, the VOIP based on Wi-Fi is the transmission that packet is realized in Wi-Fi network, Wi-Fi network
Security it is relatively low, also, in the remote districts that some Wi-Fi networks are not covered with, can not realize that VOIP communicates, have higher
Limitation, flexibility is relatively low.
【The content of the invention】
In view of this, the embodiments of the invention provide a kind of communication means and system, existing skill is improved to a certain extent
VOIP communications security and flexibility of the art based on Wi-Fi.
On the one hand, the embodiments of the invention provide a kind of communication means, methods described to be applied in communication system, described logical
Letter system includes：Long Term Evolution LTE network system, satellite backhaul system and transit gateway and public network telephone system, methods described
Including：
The packet for the carrying communication request that the LTE network system is sent by LTE network receiving terminal；
The packet is sent to the satellite backhaul system by the LTE network system；
After the satellite backhaul system receives the packet, the packet is transmitted to the transit gateway and public affairs
Net telephone system；
The transit gateway and public network telephone system are addressed according to the packet, obtain destination address；
The packet is transferred to the destination address by the transit gateway and public network telephone system, to establish the end
Communication between end and the destination address.
Aspect as described above and any possible implementation, it is further provided a kind of implementation, the communication system
System also includes：Compress softwares system, the Compress softwares system include：First Compress softwares unit；
The packet is sent to the satellite backhaul system by the LTE network system, including：
The packet is sent to the first Compress softwares unit by the LTE network system；
The first Compress softwares unit is compressed processing to the packet；
Packet after compression is sent to the satellite backhaul system by the first Compress softwares unit.
Aspect as described above and any possible implementation, it is further provided a kind of implementation, the compression solution
Pressure system includes：Second Compress softwares unit；
After the satellite backhaul system receives the packet, the packet is transmitted to the transit gateway and public affairs
Net telephone system, including：
After the satellite backhaul system receives the packet after the compression, the packet after the compression is sent to
The second Compress softwares unit；
The second Compress softwares unit carries out decompression to the packet after the compression, and by after decompression
Packet is transmitted to the transit gateway and public network telephone system.
Aspect as described above and any possible implementation, it is further provided a kind of implementation,
Before packet after compression is sent to the satellite backhaul system by the first Compress softwares unit, the side
Method also includes：
The first Compress softwares unit is that the packet adds check information；
Packet after decompression is transmitted to the transit gateway and public network phone system by the second Compress softwares unit
Before system, methods described also includes：
The second Compress softwares unit extracts the check information；
The second Compress softwares unit verifies to the check information, obtains check results；
It is to be performed by verification, the second Compress softwares unit by the data after decompression in response to the check results
The step of bag is transmitted to the transit gateway and public network telephone system.
Aspect as described above and any possible implementation, it is further provided a kind of implementation, the LTE network
Before the packet is sent to the satellite backhaul system by system, methods described also includes：
The type of packet described in the LTE network system identification；
Priority-level corresponding to the type of packet described in the LTE network system identification, to be used as the packet
Priority-level；
Priority-level in response to the packet is limit priority, and the LTE network system is performed the number
The step of satellite backhaul system being sent to according to bag；
Priority-level in response to the packet is not limit priority, and the LTE network system detectio is currently
It is no exist send or priority-level to be sent be higher than the packet packet；And currently deposited when detecting
When sending or priority-level to be sent is higher than the packet of the packet, the LTE network system is by described in
After priority-level is sent completely higher than the packet of the packet, then performs and the packet is sent to the satellite time
The step of biography system.
Aspect as described above and any possible implementation, it is further provided a kind of implementation, the LTE network
Before the packet for the carrying communication request that system is sent by LTE network receiving terminal, methods described includes：
The LTE network system receives the access request of the terminal initiation by the LTE network；
The LTE network system obtains the first checking information according to the access request, and by first checking information
It is sent to the terminal；
The first the result obtained in response to the terminal according to first checking information is by checking and basis
First the result obtains the second checking information, and second checking information is sent to the LTE by the terminal
Network system, the LTE network system receive second checking information；
The LTE network system is verified to second checking information according to first checking information, obtains
Two the results；
It is that the terminal is accessed by the LTE by checking, the LTE network system in response to second the result
Network.
Aspect as described above and any possible implementation, it is further provided a kind of implementation, when the communication
Ask for network call request when,
The transit gateway and public network telephone system are addressed according to the packet, obtain destination address, including：
The number translated of the terminal is public network number by the transit gateway and public network telephone system；
The transit gateway and public network telephone system are carried out according to the packet after the public network number and the decompression
Addressing, obtains the number of terminal called, to be used as the destination address.
On the other hand, the embodiments of the invention provide a kind of communication system, the communication system to include：Long Term Evolution LTE
Network system, satellite backhaul system and transit gateway and public network telephone system；
The LTE network system, for the packet of the carrying communication request sent by LTE network receiving terminal；
The LTE network system, it is additionally operable to the packet being sent to the satellite backhaul system；
The satellite backhaul system, after receiving the packet, the packet is transmitted to the transit network
Pass and public network telephone system；
The transit gateway and public network telephone system, for being addressed according to the packet, obtain destination address；
The transit gateway and public network telephone system, it is additionally operable to the packet being transferred to the destination address, to build
Vertical communication between the terminal and the destination address.
Aspect as described above and any possible implementation, it is further provided a kind of implementation, the communication system
System also includes：Compress softwares system, the Compress softwares system include：First Compress softwares unit；
The LTE network system, it is additionally operable to the packet being sent to the first Compress softwares unit；
The first Compress softwares unit, for being compressed processing to the packet；
The first Compress softwares unit, it is additionally operable to the packet after compression being sent to the satellite backhaul system.
Aspect as described above and any possible implementation, it is further provided a kind of implementation, the compression solution
Pressure system includes：Second Compress softwares unit；
The satellite backhaul system, after being additionally operable to receive the packet after the compression, by the data after the compression
Bag is sent to the second Compress softwares unit；
The second Compress softwares unit, for carrying out decompression to the packet after the compression, and will decompression
Packet after contracting is transmitted to the transit gateway and public network telephone system.
Aspect as described above and any possible implementation, it is further provided a kind of implementation,
The first Compress softwares unit, be additionally operable to by the packet after compression be sent to the satellite backhaul system it
Before, add check information for the packet；
The second Compress softwares unit, it is additionally operable to extract the check information；And for being carried out to the check information
Verification, obtains check results；And for being by verification in response to the check results, perform the data after decompression
The step of bag is transmitted to the transit gateway and public network telephone system.
Aspect as described above and any possible implementation, it is further provided a kind of implementation,
The LTE network system, it is additionally operable to identify the type of the packet；
The LTE network system, it is additionally operable to identify priority-level corresponding to the type of the packet, using as described
The priority-level of packet；
Priority-level in response to the packet is limit priority, and the LTE network system is specifically used for performing
The step of packet is sent to the satellite backhaul system；
Priority-level in response to the packet is not limit priority, and the LTE network system is specifically used for inspection
Survey currently with the presence or absence of send or priority-level to be sent be higher than the packet packet；And work as detection
To there is currently send or priority-level to be sent be higher than the packet packet when, the LTE network system
After the priority-level is sent completely by system higher than the packet of the packet, then performs and the packet is sent to institute
The step of stating satellite backhaul system.
Aspect as described above and any possible implementation, it is further provided a kind of implementation, the LTE network
System, it is additionally operable to：
The access request of the terminal initiation is received by the LTE network；
According to the access request, the first checking information is obtained, and first checking information is sent to the terminal；
The first the result obtained in response to the terminal according to first checking information is by checking and basis
First the result obtains the second checking information, and second checking information is sent to the LTE by the terminal
Network system, receive second checking information；
According to first checking information, second checking information is verified, obtains the second the result；
It is by checking in response to second the result, the terminal is accessed into the LTE network.
Aspect as described above and any possible implementation, it is further provided a kind of implementation, when the communication
Ask for network call request when,
The transit gateway and public network telephone system, specifically for being public network number by the number translated of the terminal；
The transit gateway and public network telephone system, after according to the public network number and the decompression
Packet is addressed, obtains the number of terminal called, to be used as the destination address.
A technical scheme in above-mentioned technical proposal has the advantages that：
Include LTE network system in the embodiment of the present invention, in communication system, therefore, communication system can pass through LTE nets
The packet for the carrying communication request that network receiving terminal is sent, and the transmission to packet is realized based on LTE network, due to terminal
Need to carry out two-way authentication when accessing LTE network, ensured network security, that is to say, that during compared to access Wi-Fi network
Unilateral authentication, LTE network has a higher level of security, and LTE network have compared to Wi-Fi network it is higher flexible
Property, even in the remote districts that some Wi-Fi networks are not covered with, VOIP can also be realized by LTE network, so as to meet
Letter demand, it compensate for the deficiency in the prior art based on Wi-Fi VOIP in terms of security and flexibility；Also, the present invention
In embodiment, transit gateway and public network telephone system are forwarded to by satellite backhaul system progress packet, and and then by turning
Connect gateway and public network telephone system and establish communication, ensure that data transfer has higher speed so that communication have it is higher
Promptness.Therefore, technical scheme provided in an embodiment of the present invention can improve prior art to a certain extent based on Wi-Fi's
VOIP communications securities and flexibility.
【Brief description of the drawings】
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below by embodiment it is required use it is attached
Figure is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for this area
For those of ordinary skill, without having to pay creative labor, it can also be obtained according to these accompanying drawings other attached
Figure.
Fig. 1 is the information exchange schematic diagram for the communication means that the embodiment of the present invention is provided；
Fig. 2 is the information exchange signal of the bi-directional verification process between LTE network system and terminal in the embodiment of the present invention
Figure；
Fig. 3 is the information exchange schematic flow sheet in Compress softwares system in the embodiment of the present invention；
Fig. 4 is the flow that the communication means that is provided of the embodiment of the present invention is applied under the application scenarios that dial network telephone
Schematic diagram；
Fig. 5 is that the flow that the communication means that the embodiment of the present invention is provided is applied to browse under the application scenarios of webpage is illustrated
Figure；
Fig. 6 is the functional block diagram for the communication system that the embodiment of the present invention is provided；
Fig. 7 is the entity apparatus configuration diagram of communication system provided in an embodiment of the present invention.
【Embodiment】
In order to be better understood from technical scheme, the embodiment of the present invention is retouched in detail below in conjunction with the accompanying drawings
State.
It will be appreciated that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art obtained under the premise of creative work is not made it is all its
Its embodiment, belongs to the scope of protection of the invention.
The term used in embodiments of the present invention is only merely for the purpose of description specific embodiment, and is not intended to be limiting
The present invention." one kind ", " described " and "the" of singulative used in the embodiment of the present invention and appended claims
It is also intended to including most forms, unless context clearly shows that other implications.
It should be appreciated that term "and/or" used herein is only a kind of incidence relation for describing affiliated partner, represent
There may be three kinds of relations, for example, A and/or B, can be represented：Individualism A, while A and B be present, individualism B these three
Situation.In addition, character "/" herein, it is a kind of relation of "or" to typically represent forward-backward correlation object.
It will be appreciated that though checking letter may be described using term first, second, third, etc. in embodiments of the present invention
Breath etc., but these checking informations should not necessarily be limited by these terms.These terms are only used for checking information being distinguished from each other out.For example,
In the case where not departing from range of embodiment of the invention, the first checking information can also be referred to as the second checking information, similarly,
Second checking information can also be referred to as the first checking information.
Depending on linguistic context, word as used in this " if " can be construed to " ... when " or " when ...
When " or " in response to determining " or " in response to detection ".Similarly, depending on linguistic context, phrase " if it is determined that " or " if detection
(condition or event of statement) " can be construed to " when it is determined that when " or " in response to determine " or " when the detection (condition of statement
Or event) when " or " in response to detecting (condition or event of statement) ".
The problem of for the VOIP communications securities in the presence of prior art based on Wi-Fi and relatively low flexibility, this
Inventive embodiments provide following resolving ideas：Compared to Wi-Fi network, Long Term Evolution (Long Term Evolution,
LTE) network has higher security and Geng Gao flexibility, therefore, uses LTE network to realize VOIP to make up prior art
In deficiency based on Wi-Fi VOIP in terms of security and flexibility.
Under the guiding of the thinking, this programme embodiment provides following feasible embodiment.
The embodiment of the present invention provides a kind of communication means, and this method is implemented in communication system, and the communication system includes：
LTE network system, satellite backhaul system and transit gateway and public network telephone system.
Wherein, LTE network system mainly includes base station, core net and SIP/RTP servers.Terminal can with access base station,
The data forwarding that terminal is sent to core net, SIP/RTP servers is transmitted to after carrying out data processing by core net by base station,
In SIP/RTP servers, sip server is that SIP (Session Initiation Protocol) provides the clothes such as registration, phone
Business, RTP servers are then mainly responsible for RTP (Real-time Transport Protocol, RTP) packet
Forwarding.During a concrete implementation, base station can be eNodeB, and core net can be 4G core networks (Evolved
Packet Core, EPC).
Satellite backhaul system includes satellite and two paired satellite receivers.Between satellite and LTE network system, with
And between satellite and transit gateway and public network telephone system, all communicated by satellite receiver.The embodiment of the present invention
In, satellite backhaul system can provide link and support for the long-distance transmissions of packet and communication.
Transit gateway and public network telephone system include transit gateway and public network phone.Wherein, transit gateway is used to complete SIP
Terminal is to the mapping of public network number and the forwarding of packet.During a concrete implementation, transit gateway can be FOX nets
Close.
Fig. 1 is refer to, the information exchange schematic diagram of its communication means provided by the embodiment of the present invention, as shown in figure 1,
This method comprises the following steps：
S101, the packet for the carrying communication request that LTE network system is sent by LTE network receiving terminal.Specifically,
Base station in LTE network system is used to perform the step.
Wherein, communication request can include：Network call request, network browsing request or login network request etc., this
Inventive embodiments are to this without being particularly limited to.It is understood that according to the difference of communication request, with sending communication request
The destination address that terminal is communicated is different.
Specifically, different according to the classification of communication request, the type for carrying the packet of communication request is different.If for example,
The packet for carrying network call request is received, the packet can be A class packets, be asked if receiving and carrying network entry
The packet asked, the packet can be B class packets.
The information carried in communication request can include but is not limited to：Called number, purpose IP address and data signal etc.
In it is at least one, the embodiment of the present invention is to this without being particularly limited to.
S102, LTE network system deliver a packet to satellite backhaul system.Specifically, the SIP/ in LTE network system
RTP servers are used to perform the step.
S103, after satellite backhaul system receives packet, packet is transmitted to transit gateway and public network telephone system.
Wherein, a satellite reception end in satellite backhaul system is used for the packet for receiving the transmission of LTE network system, and satellite is used for will
The packet that satellite reception termination receives is transmitted to another satellite reception end, and another satellite reception end is used to turn on satellite
The packet of hair is transmitted to transit gateway and public network telephone system.
S104, transit gateway and public network telephone system are addressed according to packet, obtain destination address.
It should be noted that different according to the type of communication request, destination address can include but is not limited to：Terminal called
Number, the IP address of called base station, the IP address of public network network etc., the embodiment of the present invention is to this without being particularly limited to.
Packet is transferred to destination address by S105, transit gateway and public network telephone system, to establish terminal with target
Communication between location.
It should be noted that in the embodiment of the present invention, the transmission to packet is realized using LTE network, also, in order to protect
The security of communication is demonstrate,proved, before S101 is performed, terminal needs to access LTE network, now, LTE network system LTE network system
Bi-directional verification can be carried out with terminal, when the two the result to other side is all to pass through checking, the terminal can just be accessed
LTE network, so as to which S101 steps could be performed；Otherwise, do not perform.It is in this way, double by the terminal progress with accessing LTE network
To checking, communications security in LTE network is improved.
Fig. 2 is may be referred to during a concrete implementation, the step of the bi-directional verification, it is in the embodiment of the present invention
The information exchange schematic diagram of bi-directional verification process between LTE network system and terminal.As shown in Fig. 2 this method includes：
S201, terminal initiate access request by LTE network.
S202, the access request that LTE network system is initiated by LTE network receiving terminal.
S203, LTE network system obtain the first checking information according to access request.
First checking information is sent to terminal by S204, LTE network system.
S205, terminal is according to the first checking information, the first obtained the result.
S206, when the first the result for when passing through checking, terminal obtains the second checking information according to the first the result.
Second checking information is sent to LTE network system by S207, terminal.
S208, LTE network system are verified to the second checking information according to the first checking information, obtain the second checking
As a result.
S209, it is by checking in response to the second the result, terminal is accessed into LTE network system.In order in terminal
When initiating communication request by LTE network, LTE network system performs the carrying sent in S101 by LTE network receiving terminal
The step of packet of communication request.
It should be noted that the embodiment of the present invention is for the concrete form of the first checking information and the second checking information and interior
Hold without being particularly limited to, in actual implementation process, can be preset according to being actually needed.
In the embodiment of the present invention, it is contemplated that the type for the communication request that LTE system receives is different, is transmitting different type
Packet during, priority scheduling strategy can be used.For example, it is different excellent to be that different types of packet is set
First level rank, in order to perform S103 repeating data bags step when, the higher number of priority scheduling processing priority rank
According to bag.
During concrete implementation, satellite backhaul system is delivered a packet in LTE network system performs S103
Before, can also comprise the following steps：The type of LTE network system identification data bag, and identify that the type of the packet is corresponding
Priority-level, using the priority-level as the packet；Based on this, the priority-level in response to the packet is most
High priority, LTE network system perform the step of sending the packet to satellite backhaul system.Or in response to the data
Packet priority rank is not limit priority, and LTE network system can detect current with the presence or absence of sending or to be sent
Priority-level is higher than the packet of the packet, now, is sent or priority to be sent when detecting there is currently
When being superior to the packet of the packet, LTE network system has sent packet of the priority-level higher than the packet
Cheng Hou, then perform the step of satellite backhaul system is delivered a packet in S103；Or if detect currently without sending out
Give or priority-level to be sent be higher than the packet packet, then LTE network system directly perform data in S103
The step of bag is sent to satellite backhaul system.
Specifically, in order to be further ensured that the stability of network call request in VOIP communication process, calling network is carried
The type of the packet of request could be arranged to SIP data bag or RTP packets, also, set SIP data bag or RTP data
The priority of bag is limit priority, so as to which LTE network system can transmit the packet priority, ensure Internet phone-calling
During voice signal promptness and real-time, improve the stability of communication.
Also, in the embodiment of the present invention, it is contemplated that the data volume of satellite forwarding is larger, moreover, identical data service
The structure of packet is identical, and the header packet information of packet takes most of transmission bandwidth, and valid data load is relatively fewer, because
This, can also add Compress softwares system in the communication system.
Specifically, the Compress softwares system includes the first Compress softwares unit.LTE network system will in S103 is performed
When packet is sent to satellite backhaul system step, the first Compress softwares unit is sent to through packet by LTE network system, from
And the first Compress softwares unit can be compressed processing to packet, afterwards, by the first Compress softwares unit by after compression
Packet is sent to satellite backhaul system.
Also, also include in the Compress softwares system：Second Compress softwares unit.Number based on satellite backhaul system forwards
Compression processing is have passed through according to bag, therefore, after performing S104 Satellite return systems and receiving packet, packet is transmitted to
During the step of transit gateway and public network telephone system, it can be accomplished by the following way：Satellite backhaul system receives the compression
After packet afterwards, the packet after compression is sent to the second Compress softwares unit, by the second Compress softwares unit to compression
Packet afterwards carries out decompression, and the packet after decompression is transmitted into transit gateway and public network telephone system.
It should be noted that the first Compress softwares unit and the second Compress softwares unit need to be organized in pairs use, pressing
Before contracting decompression system is operated, it is also necessary to complete the pairing between the first Compress softwares unit and the second Compress softwares unit
Identification and the distribution of IP address.Specifically, also need to set the IP book types of Compress softwares.
Also, in the embodiment of the present invention, typically the first Compress softwares unit and the second Compress softwares unit are set respectively
In the both sides of satellite backhaul system, the first Compress softwares unit and the second Compress softwares unit can be carried out compression processing and conciliate
Compression is handled.So, as long as from the packet that satellite backhaul system is received from side is compressed by Compress softwares unit
Reason, then the inevitable other end in satellite backhaul system is by the progress decompression processing of another Compress softwares unit.
In the embodiment of the present invention, packet is compressed before satellite is delivered to by above-mentioned steps, can be effective
The load of data is reduced, improves the efficiency of transmission of data in the unit interval, improves the real-time of network packet.Effectively reduce
Burden of the data service in transmission network；If, can be with by the compression to data, caching process in the case where bandwidth is fixed
The valid data quantity of single transmission is improved, so as to improve the service bearer ability of network.
Also, in order to further ensure that the security of packet is transmitted in LTE network, the first Compress softwares unit may be used also
Before being sent to satellite backhaul system with the packet after by compression, for the packet add check information, based on this, first
Packet after compression after addition check information can be sent to satellite backhaul system by Compress softwares unit.On the other hand,
After second Compress softwares unit receives the packet of satellite backhaul system forwards, it is possible to the check information is extracted, and to school
Test information to be verified, obtain check results.It is the second Compress softwares list when passing through verification in response to check results based on this
Member can just perform the step of packet after decompression is transmitted into the transit gateway and public network telephone system.Or if school
Test result for it is not validated when, the second Compress softwares unit does not perform above-mentioned forwarding step.
In the embodiment of the present invention, unlimited level pressure contracting decompression units are compressed the execution with addition check information to packet
Sequentially.
During a concrete implementation, if packet is first compressed by the first Compress softwares unit, it is again afterwards
Packet addition check information after compression, afterwards, the packet after the compression after addition check information is sent to satellite and returned
Biography system；So, the second Compress softwares unit can directly extract check information therein, and check information is verified,
Check results are obtained, are to be performed by verification, the second Compress softwares unit to the data after compression in response to check results now
The step of wrapping and carry out decompression, and the packet after decompression is transmitted to transit gateway and public network telephone system.
Or during another concrete implementation, if the first Compress softwares unit is just first number before being compressed
Check information is added according to bag, and then the packet for including check information is compressed；So, the second Compress softwares list
Member needs that the packet after compressing first is carried out into decompression, in order to extract check information therein, and verification is believed
Breath verified, be verified result, now, in response to check results be by verification, the second Compress softwares unit perform general
Packet after decompression is transmitted to the step of transit gateway and public network telephone system.
It should be noted that when a Compress softwares unit in Compress softwares system is that packet adds check information
When, need to configure corresponding verification mode in another Compress softwares unit being organized in pairs with it.Obtained based on check information
The verification mode of check results can have a variety of implementations, and the embodiment of the present invention is to this without being particularly limited to.For example, can be with
Assignment algorithm is stored in two in the Compress softwares system Compress softwares units being organized in pairs, so, when one of those
When Compress softwares unit carries check information in the packet for receiving the transmission of satellite backhaul system, this compression solution
Pressure unit can will utilize assignment algorithm processing check information and obtain result, and then, school is obtained according to result
Test result.
Based on this, in a concrete implementation mode, the information exchange in the embodiment of the present invention in Compress softwares system
Schematic flow sheet may be referred to Fig. 3, as shown in figure 3, this method includes：
S301, the first Compress softwares unit receive the packet of LTE network system transmission.
S302, the first Compress softwares unit are compressed processing to the packet, the packet after being compressed.
S303, the first Compress softwares unit add check information for the packet after compression.
S304, the first Compress softwares unit by add check information after compression after packet, pass through satellite backhaul system
System is sent to the second Compress softwares unit.
S305, the second Compress softwares unit verify to check information, obtain check results.
S306, when check results for when passing through verification, the second Compress softwares unit decompresses to the packet after compression
Contracting is handled, and the packet after decompression is transmitted into transit gateway and public network telephone system.
It is understood that information flow schematic diagram as shown in Figure 3 is the transmitting procedure of upstream data bag, its lower line number
It is similar in this according to transmitting procedure, no longer repeated herein.
Can also be the higher packet configuration of priority it should be noted that during the application is implemented
The two Compress softwares units individually handled.For example, during a concrete implementation, Compress softwares system can include four
Individual Compress softwares unit, wherein, Compress softwares unit A and Compress softwares unit B are used for the highest-ranking SIP numbers of processing priority
According to bag or the compression processing of RTP packets and decompression, the quantity of transmitted per unit time RTP packets is added, is carried
The high handling capacity of RTP packets, reduces propagation delay time；And Compress softwares unit C and Compress softwares cells D are used to handle preferentially
Level rank is not compression processing and the decompression of other packets of limit priority.So, by by priority-level
Highest packet makes a distinction processing with other packets, can further speed up to priority-level highest packet
Processing speed, further improve the promptness of data transfer.
In the embodiment of the present invention, pass through the above method so that the transmittance process of packet is carried out by satellite backhaul system
In, processing is compressed to packet in transmitting terminal, decompression processing is carried out to the packet after compression in receiving terminal, can be effective
The burden of transmission network is reduced, also, if in the case where bandwidth is fixed, can be improved by the compression processing to packet
The valid data quantity of single transmission, so as to improve the service bearer ability of network.
For clearer explanation this programme, the embodiment of the present invention gives the communication under following two different application scenes
Process.
The first, the communication means under the application scenarios to dial network telephone.
During a concrete implementation, when the communication request received in S101 is network call request, switching
, it is necessary to be public network number by the number translated of the terminal when gateway and public network telephone system only carry out S104, so as to transit gateway
And public network telephone system can be addressed according to the public network number and the packet after decompression, obtain number of terminal called
Code, to be used as destination address.
Specifically, refer to Fig. 4, it is applied to what is dialed network telephone by the communication means that the embodiment of the present invention provides
Schematic flow sheet under application scenarios.As shown in figure 4, the communication system of this method application includes：LTE network, Compress softwares system
System, satellite backhaul system and transit gateway and public network telephone system；Wherein, Compress softwares system includes：The compression being organized in pairs
Decompression units A and Compress softwares unit B；Satellite backhaul system includes FXO gateways and net with transit gateway and public network telephone system
Network phone (Public Switched Telephone Network, PSTN) system.As shown in figure 4, this method includes：
S401, mobile phone terminal A send the packet for carrying call request by LTE network.
S402, the type of the LTE network system identification packet is RTP packets, and identifies the excellent of the RTP packets
First level rank is the superlative degree.
The RTP packets are sent to Compress softwares unit A by S403, LTE network system.
S404, Compress softwares unit A are compressed processing to the RTP packets, the RTP packets after being compressed.
RTP packets after compression are transmitted to satellite backhaul system by S405, Compress softwares unit A.
RTP packets after compression are transmitted to Compress softwares unit B by S406, satellite backhaul system.
S407, Compress softwares unit B carry out decompression, the number after being decompressed to the RTP packets after compression
According to bag.
Packet after decompression is transmitted to FXO gateways by S408, Compress softwares unit B.
Mobile phone terminal A number translated is public network number by S409, FXO gateway, and by after the public network number and decompression
Data forward a packet to the PSTN systems of public network.
S410, PSTN system are addressed according to the packet after decompression, obtain public network phone C.
Packet after decompression is passed to public network phone C by S411, PSTN system.
Second, browse the communication means under the application scenarios of webpage.Fig. 5 is refer to, it is carried by the embodiment of the present invention
The communication means of confession is applied to browse the schematic flow sheet under the application scenarios of webpage.As shown in figure 5, the communication of this method application
System includes：LTE network, Compress softwares system, satellite backhaul system and transit gateway and public network telephone system.Wherein, compress
Decompression system includes：The Compress softwares unit A and Compress softwares unit B being organized in pairs, and, the Compress softwares list being organized in pairs
First C and Compress softwares cells D, wherein, the Compress softwares unit A and Compress softwares unit B being organized in pairs are used for processing priority
Highest-ranking packet, the Compress softwares unit C being organized in pairs and Compress softwares cells D are used for process other packets.Such as
Shown in Fig. 5, this method includes：
S501, wireless access end B send the packet for carrying the network communication requests such as HTTP or FTP by LTE network.
S502, the type of the LTE network system identification packet, the packet is gone out according to the type identification of the packet
Priority-level is not highest.
S503, LTE network system determine whether that other packets of the priority-level higher than the packet are sent out
Send or to be sent.
S504, it is excellent when other packets that the priority-level higher than the packet be present are sending or be to be sent
Other packets of the priority-level higher than the packet are first sent, until the transmission of the priority-level higher than the packet
Finish, send the packet to Compress softwares unit C.
S505, Compress softwares unit C are compressed processing to the packet, the packet after being compressed.
Packet after compression is transmitted to satellite backhaul system by S506, Compress softwares unit C.
Packet after compression is transmitted to Compress softwares cells D by S507, satellite backhaul system.
S508, Compress softwares cells D carry out decompression, the data after being decompressed to the packet after compression
Bag.
Packet after decompression is transmitted to transit gateway and public network telephone system by S509, Compress softwares cells D.
S510, transit gateway and public network telephone system are addressed according to the packet after decompression, obtain destination address.
Packet after decompression is sent to destination address by S511, transit gateway and public network telephone system, to establish nothing
Network service between line incoming end B and the destination address.
It should be noted that terminal involved in the embodiment of the present invention can include but is not limited to personal computer
(Personal Computer, PC), personal digital assistant (Personal Digital Assistant, PDA), wireless handheld
Equipment, tablet personal computer (Tablet Computer), mobile phone, MP3 player, MP4 players etc..
The technical scheme of the embodiment of the present invention has the advantages that：
Include LTE network system in the embodiment of the present invention, in communication system, therefore, communication system can pass through LTE nets
The packet for the carrying communication request that network receiving terminal is sent, and the transmission to packet is realized based on LTE network, due to terminal
Need to carry out two-way authentication when accessing LTE network, ensured network security, that is to say, that during compared to access Wi-Fi network
Unilateral authentication, LTE network has a higher level of security, and LTE network have compared to Wi-Fi network it is higher flexible
Property, even in the remote districts that some Wi-Fi networks are not covered with, VOIP can also be realized by LTE network, so as to meet
Letter demand, it compensate for the deficiency in the prior art based on Wi-Fi VOIP in terms of security and flexibility；Also, the present invention
In embodiment, transit gateway and public network telephone system are forwarded to by satellite backhaul system progress packet, and and then by turning
Connect gateway and public network telephone system and establish communication, ensure that data transfer has higher speed so that communication have it is higher
Promptness.Therefore, technical scheme provided in an embodiment of the present invention can improve prior art to a certain extent based on Wi-Fi's
VOIP communications securities and flexibility.
Embodiment two
The communication means provided based on above-described embodiment one, the embodiment of the present invention, which further provides, realizes above method reality
Apply the device embodiment of each step and method in example.
Fig. 6 is refer to, the functional block diagram of its communication system provided by the embodiment of the present invention.As shown in fig. 6, this is logical
Letter system includes：Long Term Evolution LTE network system 61, satellite backhaul system 62 and transit gateway and public network telephone system 63；
LTE network system 61, for the packet of the carrying communication request sent by LTE network receiving terminal；
LTE network system 61, it is additionally operable to deliver a packet to satellite backhaul system 62；
Satellite backhaul system 62, after receiving packet, packet is transmitted to transit gateway and public network phone system
System 63；
Transit gateway and public network telephone system 63, for being addressed according to packet, obtain destination address；
Transit gateway and public network telephone system 63, are additionally operable to packet being transferred to destination address, to establish terminal and mesh
Mark the communication between address.
During a concrete implementation, the communication system also includes：Compress softwares system 64, Compress softwares system 64
Including：First Compress softwares unit 641；
LTE network system 61, it is additionally operable to deliver a packet to the first Compress softwares unit 641；
First Compress softwares unit 641, for being compressed processing to packet；
First Compress softwares unit 641, it is additionally operable to the packet after compression being sent to satellite backhaul system 62.
Now, the Compress softwares system 64 includes：Second Compress softwares unit 642；
Satellite backhaul system 62, after being additionally operable to receive the packet after compression, the packet after compression is sent to the
Two Compress softwares units 642；
Second Compress softwares unit 642, for carrying out decompression to the packet after compression, and by after decompression
Packet is transmitted to transit gateway and public network telephone system 63.
During another concrete implementation, the first Compress softwares unit 641, it is additionally operable to send out the packet after compression
Before giving satellite backhaul system 62, check information is added for packet；
Second Compress softwares unit 642, it is additionally operable to extract check information；And for being verified to check information, obtain
Check results；And for being by verification in response to check results, perform and the packet after decompression is transmitted to transit network
The step of pass and public network telephone system 63.
In the embodiment of the present invention, LTE network system 61, it is additionally operable to identify the type of the packet；
LTE network system 61, it is additionally operable to identify priority-level corresponding to the type of the packet, to be used as packet
Priority-level；
Priority-level in response to packet is limit priority, and LTE network system 61 is specifically used for performing data
The step of bag is sent to satellite backhaul system 62；
Priority-level in response to packet is not limit priority, and it is current that LTE network system 61 is specifically used for detection
With the presence or absence of send or priority-level to be sent be higher than packet packet；And it there is currently when detecting
Sending or when priority-level to be sent is higher than the packet of packet, LTE network system 61 is by priority-level height
After the packet of packet is sent completely, then perform the step of delivering a packet to satellite backhaul system 62.
In the embodiment of the present invention, LTE network system 61, it is additionally operable to：
The access request initiated by LTE network receiving terminal；
According to access request, the first checking information is obtained, and the first checking information is sent to terminal；
The first the result obtained in response to terminal according to the first checking information is by checking and according to the first checking
As a result the second checking information is obtained, and the second checking information is sent to LTE network system 61 by the terminal, is received second and is tested
Demonstrate,prove information；
According to the first checking information, the second checking information is verified, obtains the second the result；
It is by checking in response to the second the result, terminal is accessed into LTE network.
During a concrete implementation, when communication request is network call request,
Transit gateway and public network telephone system 63, specifically for being public network number by the number translated of terminal；
Transit gateway and public network telephone system 63, carried out also particularly useful for according to public network number and the packet after decompression
Addressing, obtains the number of terminal called, to be used as destination address.
Specifically, refer to Fig. 7, it is the entity apparatus configuration diagram of communication system provided in an embodiment of the present invention.
As shown in fig. 7, the communication system includes：LTE network system 61, satellite backhaul system 62, Compress softwares system 64 and transit network
Pass and public network telephone system 63.
Wherein, as shown in fig. 7, LTE network system 61 includes：Base station 611, core net 612 and SIP/RTP servers 613.
The data forwarding that terminal is sent to core net 612, can be entered line number by terminal with access base station 611, base station 611 by core net 612
According to SIP/RTP servers 613 are transmitted to after processing, in SIP/RTP servers 613, sip server is SIP (Session
Initiation Protocol) service such as registration, phone is provided, RTP servers are then mainly responsible for RTP (Real-
Time Transport Protocol, RTP) packet forwarding.During a concrete implementation, base station can be
ENodeB, core net can be 4G core networks (Evolved Packet Core, EPC).
As shown in fig. 7, satellite backhaul system 62 includes：First satellite receiver 621, the satellite reception of satellite 622 and second
Device 623, satellite backhaul system 62 are used to provide link for the long-distance transmissions of packet and communication and support.Wherein, such as Fig. 7 institutes
Show, communicated between satellite 622 and LTE network system 61 by the first satellite receiver 621, and satellite 622 and transit network
Communicated between pass and public network telephone system 63 by the second satellite receiver 623.
As shown in fig. 7, transit gateway and public network telephone system 63 include：Transit gateway 631 and public network telephone system 632.
Wherein, transit gateway 631 is used to complete sip terminal to the mapping of public network number and the forwarding of packet.It is specific real at one
During existing, transit gateway can be FOX gateways.
As shown in fig. 7, Compress softwares system 64 includes：SIP/RTP data packet compressing decompression units A, SIP/RTP packets
Compress softwares unit B, non-SIP/RTP data packet compressings decompression units C and non-SIP/RTP data packet compressings decompression units D.Its
In, IP/RTP data packet compressing decompression units A and SIP/RTP data packet compressing decompression units B is mainly used in SIP/RTP data
The compression of bag；Non- SIP/RTP data packet compressings decompression units C and non-SIP/RTP data packet compressings decompression units D is used for non-
SIP/RTP packet is compressed processing.
Because each unit in the present embodiment is able to carry out the method shown in Fig. 1, the part that the present embodiment is not described in detail,
Refer to the related description to Fig. 1.
The technical scheme of the embodiment of the present invention has the advantages that：
Include LTE network system in the embodiment of the present invention, in communication system, therefore, communication system can pass through LTE nets
The packet for the carrying communication request that network receiving terminal is sent, and the transmission to packet is realized based on LTE network, due to terminal
Need to carry out two-way authentication when accessing LTE network, ensured network security, that is to say, that during compared to access Wi-Fi network
Unilateral authentication, LTE network has a higher level of security, and LTE network have compared to Wi-Fi network it is higher flexible
Property, even in the remote districts that some Wi-Fi networks are not covered with, VOIP can also be realized by LTE network, so as to meet
Letter demand, it compensate for the deficiency in the prior art based on Wi-Fi VOIP in terms of security and flexibility；Also, the present invention
In embodiment, transit gateway and public network telephone system are forwarded to by satellite backhaul system progress packet, and and then by turning
Connect gateway and public network telephone system and establish communication, ensure that data transfer has higher speed so that communication have it is higher
Promptness.Therefore, technical scheme provided in an embodiment of the present invention can improve prior art to a certain extent based on Wi-Fi's
VOIP communications securities and flexibility.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, the corresponding process in preceding method embodiment is may be referred to, will not be repeated here.
In several embodiments provided by the present invention, it should be understood that disclosed system, apparatus and method can be with
Realize by another way.For example, device embodiment described above is only schematical, for example, the unit
Division, only a kind of division of logic function, can there is other dividing mode, for example, multiple units or group when actually realizing
Part can combine or be desirably integrated into another system, or some features can be ignored, or not perform.It is another, it is shown
Or the mutual coupling discussed or direct-coupling or communication connection can be by some interfaces, device or unit it is indirect
Coupling or communication connection, can be electrical, mechanical or other forms.
The unit illustrated as separating component can be or may not be physically separate, show as unit
The part shown can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple
On NE.Some or all of unit therein can be selected to realize the mesh of this embodiment scheme according to the actual needs
's.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, can also
That unit is individually physically present, can also two or more units it is integrated in a unit.Above-mentioned integrated list
Member can both be realized in the form of hardware, can also be realized in the form of hardware adds SFU software functional unit.
The above-mentioned integrated unit realized in the form of SFU software functional unit, can be stored in one and computer-readable deposit
In storage media.Above-mentioned SFU software functional unit is stored in a storage medium, including some instructions are causing a computer
It is each that device (can be personal computer, server, or network equipment etc.) or processor (Processor) perform the present invention
The part steps of embodiment methods described.And foregoing storage medium includes：USB flash disk, mobile hard disk, read-only storage (Read-
Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disc or CD etc. it is various
Can be with the medium of store program codes.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
God any modification, equivalent substitution and improvements done etc., should be included within the scope of protection of the invention with principle.
Claims (10)
1. a kind of communication means, it is characterised in that methods described is applied in communication system, and the communication system includes：For a long time
Evolution LTE network system, satellite backhaul system and transit gateway and public network telephone system, methods described include：
The packet for the carrying communication request that the LTE network system is sent by LTE network receiving terminal；
The packet is sent to the satellite backhaul system by the LTE network system；
After the satellite backhaul system receives the packet, the packet is transmitted to the transit gateway and public network electricity
Telephone system；
The transit gateway and public network telephone system are addressed according to the packet, obtain destination address；
The packet is transferred to the destination address by the transit gateway and public network telephone system, with establish the terminal with
Communication between the destination address.
2. according to the method for claim 1, it is characterised in that the communication system also includes：Compress softwares system, it is described
Compress softwares system includes：First Compress softwares unit；
The packet is sent to the satellite backhaul system by the LTE network system, including：
The packet is sent to the first Compress softwares unit by the LTE network system；
The first Compress softwares unit is compressed processing to the packet；
Packet after compression is sent to the satellite backhaul system by the first Compress softwares unit.
3. according to the method for claim 2, it is characterised in that the Compress softwares system includes：Second Compress softwares list
Member；
After the satellite backhaul system receives the packet, the packet is transmitted to the transit gateway and public network electricity
Telephone system, including：
After the satellite backhaul system receives the packet after the compression, the packet after the compression is sent to described
Second Compress softwares unit；
The second Compress softwares unit carries out decompression to the packet after the compression, and by the data after decompression
Bag is transmitted to the transit gateway and public network telephone system.
4. according to the method for claim 3, it is characterised in that
Before packet after compression is sent to the satellite backhaul system by the first Compress softwares unit, methods described is also
Including：
The first Compress softwares unit is that the packet adds check information；
The second Compress softwares unit by the packet after decompression be transmitted to the transit gateway and public network telephone system it
Before, methods described also includes：
The second Compress softwares unit extracts the check information；
The second Compress softwares unit verifies to the check information, obtains check results；
It is that the second Compress softwares unit performs by verification in response to the check results to turn the packet after decompression
The step of issuing the transit gateway and public network telephone system.
5. according to the method for claim 1, it is characterised in that the packet is sent to institute by the LTE network system
Before stating satellite backhaul system, methods described also includes：
The type of packet described in the LTE network system identification；
Priority-level corresponding to the type of packet described in the LTE network system identification, to be used as the excellent of the packet
First level rank；
Priority-level in response to the packet is limit priority, and the LTE network system is performed the packet
The step of being sent to the satellite backhaul system；
Priority-level in response to the packet is not limit priority, and whether the LTE network system detectio currently deposits
Send or priority-level to be sent be higher than the packet packet；And it there is currently just when detecting
When sending or priority-level to be sent is higher than the packet of the packet, the LTE network system will be described preferential
Level be superior to the packet packet be sent completely after, then perform and the packet be sent to the satellite backhaul system
The step of system.
6. according to the method for claim 1, it is characterised in that the LTE network system is sent out by LTE network receiving terminal
Before the packet for the carrying communication request sent, methods described includes：
The LTE network system receives the access request of the terminal initiation by the LTE network；
The LTE network system obtains the first checking information, and first checking information is sent according to the access request
To the terminal；
The first the result obtained in response to the terminal according to first checking information is by checking and according to described
First the result obtains the second checking information, and second checking information is sent to the LTE network by the terminal
System, the LTE network system receive second checking information；
The LTE network system is verified to second checking information according to first checking information, obtains second and test
Demonstrate,prove result；
It is that the terminal is accessed by the LTE nets by checking, the LTE network system in response to second the result
Network.
7. according to the method for claim 1, it is characterised in that when the communication request is network call request,
The transit gateway and public network telephone system are addressed according to the packet, obtain destination address, including：
The number translated of the terminal is public network number by the transit gateway and public network telephone system；
The transit gateway and public network telephone system be addressed according to the public network number with the packet after the decompression,
The number of terminal called is obtained, to be used as the destination address.
8. a kind of communication system, it is characterised in that the communication system includes：Long Term Evolution LTE network system, satellite backhaul system
System and transit gateway and public network telephone system；
The LTE network system, for the packet of the carrying communication request sent by LTE network receiving terminal；
The LTE network system, it is additionally operable to the packet being sent to the satellite backhaul system；
The satellite backhaul system, after receiving the packet, by the packet be transmitted to the transit gateway and
Public network telephone system；
The transit gateway and public network telephone system, for being addressed according to the packet, obtain destination address；
The transit gateway and public network telephone system, it is additionally operable to the packet being transferred to the destination address, to establish
State the communication between terminal and the destination address.
9. communication system according to claim 8, it is characterised in that the communication system also includes：Compress softwares system,
The Compress softwares system includes：First Compress softwares unit；
The LTE network system, it is additionally operable to the packet being sent to the first Compress softwares unit；
The first Compress softwares unit, for being compressed processing to the packet；
The first Compress softwares unit, it is additionally operable to the packet after compression being sent to the satellite backhaul system.
10. communication system according to claim 9, it is characterised in that the Compress softwares system includes：Second compression solution
Press unit；
The satellite backhaul system, after being additionally operable to receive the packet after the compression, the packet after the compression is sent out
Give the second Compress softwares unit；
The second Compress softwares unit, for carrying out decompression to the packet after the compression, and by after decompression
Packet be transmitted to the transit gateway and public network telephone system.
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