CN102065076B - Implementation method of SIP (Session Initiation Protocol)-based regional ground-to-air radio station voice networking system - Google Patents
Implementation method of SIP (Session Initiation Protocol)-based regional ground-to-air radio station voice networking system Download PDFInfo
- Publication number
- CN102065076B CN102065076B CN2010105203339A CN201010520333A CN102065076B CN 102065076 B CN102065076 B CN 102065076B CN 2010105203339 A CN2010105203339 A CN 2010105203339A CN 201010520333 A CN201010520333 A CN 201010520333A CN 102065076 B CN102065076 B CN 102065076B
- Authority
- CN
- China
- Prior art keywords
- radio station
- sip
- ground
- empty
- communication terminal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses an SIP (Session Initiation Protocol)-based regional ground-to-air radio station voice networking system which comprises a plurality of ground-to-air radio stations and also comprises a tandem scheduling server, an SIP (Session Initiation Protocol) radio station voice communication terminal and a networking node network element device, wherein the networking node network element device is connected between the tandem scheduling server and the SIP (Session Initiation Protocol) radio station voice communication terminal and connected with the ground-to-air radio stations. The SIP (Session Initiation Protocol)-based regional ground-to-air radio station voice networking system can realizes integration with a ground-to-air data link system and can realize goal-oriented ground-to-air voice command which is compatible and coordinated with ground-to-air data link system; and a commander can synchronously obtain the voice command control capacity when seeing a target. Moreover, a communication link for directly implementing the voice command control on first-line task aircrafts is provided for a remote high-level command center within shorter setup time and in more flexible setup mode so that commands of chief executives can reach the first-line aircrafts immediately and the effect that a link can be uses as long as set up is achieved.
Description
Technical field
The present invention relates to IP network voice communication technical field, particularly relate in the command automation field a kind of based on SIP(Session Initiation Protocol, session initiation protocol) the speech group network system of empty radio station regionally.
Background technology
Ground empty radio station voice communication system refer to the command centre various places in the face of set up between empty radio station and the aircraft station and be used for transmitting airborne control operation order, report flight dynamically, the radio communication of exchange flight information.This system provides ground empty verbiage sound traffic guidance means by wireless device and transmission line for command centre; Ground control person uses and carries out the voice radio contact between itself and the pilot, implements sky is commanded.
Ground empty radio station speech commander also is that commander's control automation system is implemented empty command and guide aircraft one of the main mode of task that carries out.On the one hand various information, the instruction with ground control person is sent to the pilot, on the other hand the real time status of aircraft, task performance etc. directly delivered to ground command center by wireless voice.It is mainly used to realize that the speech information between effective, reliable aerospace plane and the terrestrial user exchanges, necessary airflight commander, guiding function and ground service and support is provided, totally monitors, handle accident for command centre carries out state of flight, implement application such as effective decision-making required information exchange means are provided.
Empty radio station, traditional ground voice communication system mainly contains following several form.(1) commander commands the speech of pilot on the aircraft by the beep box realization that empty radio station, ground manufacturer provides in command post, controls it and finishes set task.Empty radio station, ground speech commander is in relatively loose state with the hinge of command automation system, and the beep box of a general given model only can be implemented control to the radio station of a corresponding model.(2) realize empty radio station, ground speech commander by command centre's inner voice scheduling communication system (telephone system in being called for short).In the multi-section radio station is connected in the telephone system, the commander finishes control to the radio station by work seat equipment, implements the Speech Communication to aircraft.This kind mode has realized the switch type in local multi-section radio station is used, and empty radio station, ground speech commander is in more closely couple state with the charge system.(3) use the means that are referred to as the empty remote control equipment in ground to realize empty radio station, ground speech commander, the reduced form of telephone system in these similar equipment or system can regard as, ground in being about in the telephone system-ground telephone communication is removed, and makes it to be used for specially finishing ground empty verbiage sound communication.
There is following subject matter in empty radio station voice communication system traditionally.(1) though in certain zone, be furnished with empty radio station a considerable amount ofly, the use in these radio station be isolate, dispersion.Cluster effect has not been given play in these radio station, can't form enough ground empty verbiage sounds and cover in the large span geographic range.(2) empty radio station speech commander's flattening degree deficiency can not realize that still the command centre of commander optional position in the zone uses required any radio station that aircraft is implemented the speech commander; Or select optimal path that aircraft is carried out speech according to information and control; Or can't set up voice link in the radio station that this command post connects the time, use the radio station of other suitable position to form necessary Speech Communication ability.(3) empty radio station speech commander's integrated degree is not enough.Each command centre generally only can control and use some local radio station, and the mode in control radio station, employed equipment is different because of producer, lack empty radio station, composition ground, the radio station speech net that otherwise effective technique and equipment will dispose at present, the ability in single portion radio station can not be carried out polymerization can be in farther distance to form, wider, possess more empty radio station, the ground speech command ability of strong efficiency, survivability.
The prior art requirement that improves constantly of empty radio station Speech Communication over the ground, as ground empty verbiage tone signal can not interruption, the high communication quality, communication coverage is big, communication system is more reliable and more stable etc.Existing technology proposes to adopt the circuit exchange mode of time division multiplexing, and with a large amount of special line forms, the empty radio station of telephone system and ground underwater acoustic remote control system realizes that the place remote remote control networking in empty radio station is used over the ground in cooperating.But its framework of this kind mode is closed, use a large amount of special line resources, the system configuration complexity, use, configuration is dumb, resource utilization is low, is unfavorable for forming unified infrastructure, can't use and exist the network management of multiple different technologies system with novel charge system integration design, common network, be difficult to safeguard, can not reconstruct, be not easy to scalable, upgrading trouble, user's the total cost of ownership is huge, the resource-sharing that can't realize empty radio station, ground speech with ask for as required.
Session initiation protocol (SIP) to be Internet engineering duty group (IETF) in 1999 propose and formulate one in IP-based network, be used for setting up, change and stop the application layer control protocol of Multimedia session.Its application target is based on the Internet environment, realizes data, audio frequency and video real time communication.For H.323, Session Initiation Protocol is simple, and message is encoded based on text, and system realizes that cost is low easily, and extendibility is good, and call set-up time is short, and distributed control is easy to develop multimedia service.
Session Initiation Protocol has been used for reference ripe simple message transfer protocol (SMTP) (SMTP) and HTTP(HyperText Transfer Protocol in a large number, HTML (Hypertext Markup Language)) agreement, even utilized the Web architecture, thereby make the communication based on SIP have higher extensibility.SIP has followed the design principle of Internet, can realize the seamless communication between various (fixing or mobile, intelligence or non intelligent) terminal.Session Initiation Protocol has protocol format clearly based on the ASCII character text formatting, and is readable strong, is easy to safeguard, is easy to business integration.SIP is totally independent of transport layer, will be independent of the underlying basis facility user flexibility couple together, thereby maximally utilise existing network.SIP supports the third party call controlling mechanism, has very strong compatibility.The method for designing of Session Initiation Protocol and design feature make it become important technology in the next generation network framework, no matter be the IMS(Internet Protocol Multimedia Subsystem that soft switch or 3GPP propose, IP Multimedia System) all with SIP as core protocol.Along with the development of next generation network technology, the speech group network system of setting up based on Session Initiation Protocol of empty radio station regionally will have wide application space.
Though there have been many voice communication systems based on SIP in the commercial market at present, but these technology, system are primarily aimed at next generation network (NGN), 3G radio communication etc., and they mainly are that equipment, system to original employing digital time-division switching technology system substitutes upgrading.Characteristics such as the while is simple owing to the intrinsic realization of SIP, cost is low, extendibility is good, it combines with fixed network and produces soft switch; Combine with 3G (Third Generation) Moblie 3GPP and to produce the IMS(IP IP multimedia subsystem, IMS).As narrating, although SIP has been applied to occasions such as NGN, 3G, it so far all also not with empty radio station, ground Speech Communication close-coupled, fully-integrated.Another makes the empty radio station networkization in ground, solve " funnel-shaped " separately independently the technology of empty radio station Speech Communication be to adopt software-defined radio platform technology, networking on wireless waveform.But, this scheme exists investment too big, problems such as the construction period is long, and this emerging radio communication technology is comprehensively entered various existing ground empty verbiage sound communication systems the inside will be a great challenge, the actual conditions of this and China's economy, technical development are also incompatible.Therefore, how to utilize sip technique to make existing, traditional ground empty verbiage sound radio station networkization, can be organized into a network of IP system, the resource-sharing that forms a kind of radio station speech with ask for as required, have very wide significance.
Summary of the invention
Goal of the invention: technical problem to be solved by this invention is at the deficiencies in the prior art, a kind of speech group network system of empty radio station regionally of dialogue-based initiation protocol is provided, this system is in certain zone, take full advantage of existing ground empty verbiage sound signal equipment and IP packet exchange communication network, make up the ground empty verbiage sound commander control network of SIP system, realize that ground control person can uninterruptedly use empty radio station, ground, arbitrary geographic position to implement speech commander control whenever and wherever possible, realize the comprehensive unified scheduling of empty radio station, ground speech resources, share to reach and ask for as required, it is integrated to realize that ground empty verbiage sound communication and Ground-to-Air Data Link are commanded.
In order to solve the problems of the technologies described above, the invention discloses a kind of speech group network system of empty radio station regionally based on SIP, comprise empty radio station, many tablelands, the tandem dispatch server, SIP radio station voice communication terminal and be connected the tandem dispatch server and SIP radio station voice communication terminal between networking node network element device, described networking node network element device connects empty radio station, ground;
Described networking node network element device is SIP speech switching system, comprises the empty radio station network access device of SIP swap server and ground;
Described tandem dispatch server is used for connecting different networking node network element devices, thereby forms the radio station voice network; Adopt sip message to carry out communication between described tandem dispatch server and the described SIP swap server; Adopt sip message to carry out communication, transporting speech Media Stream between described tandem dispatch server and the described SIP radio station voice communication terminal between described tandem dispatch server and the described SIP radio station voice communication terminal; Transporting speech Media Stream between the empty radio station network access device of described tandem dispatch server and described ground;
Described SIP radio station voice communication terminal adopts the standard Session Initiation Protocol, when local station inserts networking node network element device, uses the interior empty radio station locally of networking; SIP radio station voice communication terminal is as sip user agent, is responsible for making a call, call accepted and making a response; SIP radio station voice communication terminal adopts the interface based on Transmission Control Protocol, and empty radio station network access device transmits the PTT keying signal of giving orders or instructions to ground; Employing is set up the speech media circulation road based on the interface of Real-time Transport Protocol;
Adopt the sip message communication between described SIP swap server and the described SIP radio station voice communication terminal, adopt the sip message communication between the empty radio station network access device of described SIP swap server and described ground;
Empty radio station network access device links to each other with empty radio station, ground by audio interface, control/state interface describedly, with speech and the control information transmission in empty radio station enter system describedly; Empty radio station network access device is connected with the SIP swap server by network interface describedly, supports the standard Session Initiation Protocol, is used for speech, state and the control information input system in empty radio station locally.
Among the present invention, described networking node network element device comprises the IP Trunk Media Gateway; The radio station of telephone system was connected in the net in described IP Trunk Media Gateway will insert, adopted IP-based switching's technology; Described IP Trunk Media Gateway adopts the standard Session Initiation Protocol to be connected with described SIP swap server by the IP network interface; Described IP Trunk Media Gateway links to each other with interior telephone system with data-interface by speech; Transmitted in both directions audio medium stream between described IP Trunk Media Gateway and the described tandem dispatch server.
The invention also discloses a kind of direct networking method in empty radio station, ground of the speech group network system of empty radio station regionally based on SIP, comprise empty radio station, many tablelands, tandem dispatch server, SIP radio station voice communication terminal and be connected the tandem dispatch server and SIP radio station voice communication terminal between networking node network element device, described networking node network element device connects empty radio station, ground; Described networking node network element device comprises the IP Trunk Media Gateway; Directly network and may further comprise the steps in empty radio station describedly:
Empty radio station network access device sends SIP end of calling message to ground for step 712, SIP radio station voice communication terminal;
The empty radio station, ground that the invention also discloses a kind of speech group network system of empty radio station regionally based on SIP is the method for the call answering of networking indirectly, comprise empty radio station, many tablelands, tandem dispatch server, SIP radio station voice communication terminal and be connected the tandem dispatch server and SIP radio station voice communication terminal between networking node network element device, described networking node network element device connects empty radio station, ground; Described networking node network element device comprises the IP Trunk Media Gateway, and the radio station of telephone system was connected in the net in described IP Trunk Media Gateway will insert, adopted IP-based switching's technology; The method of the call answering of the indirect networking in empty radio station may further comprise the steps describedly:
The signaling format of telephone system identification in step 807, called end IP Trunk Media Gateway are converted to invitation message, and send the radio station occupied signaling;
The empty radio station, ground that the invention also discloses a kind of speech group network system of empty radio station regionally based on SIP is the method for the call answering of networking indirectly, comprise empty radio station, many tablelands, tandem dispatch server, SIP radio station voice communication terminal and be connected the tandem dispatch server and SIP radio station voice communication terminal between networking node network element device, described networking node network element device connects empty radio station, ground; Described networking node network element device comprises the IP Trunk Media Gateway, and the radio station of telephone system was connected in the net in described IP Trunk Media Gateway will insert, adopted IP-based switching's technology; The method of the call answering of the indirect networking in empty radio station may further comprise the steps describedly:
Telephone system radio station in step 902, far-end SIP radio station voice communication terminal are selected in the network, and send message request;
Step 903, tandem dispatch server are obtained address, called radio station;
The signaling format of telephone system identification in step 904, called end IP Trunk Media Gateway are converted to invitation message, and send the radio station and take order;
Step 907 is set up the SIP link between far-end SIP radio station voice communication terminal and the called end IP Trunk Media Gateway;
Voice, the state information that called end IP Trunk Media Gateway provides interior telephone system is converted to the IP data and delivers to far-end SIP radio station voice communication terminal;
The invention also discloses a kind of uninterrupted call answering method that keeps automatically of ground empty verbiage sound of the speech group network system of empty radio station regionally based on SIP, comprise empty radio station, many tablelands, tandem dispatch server, SIP radio station voice communication terminal and be connected the tandem dispatch server and SIP radio station voice communication terminal between the group network system that constitutes of networking node network element device, described networking node network element device connects empty radio station, ground; Described networking node network element device comprises the IP Trunk Media Gateway, and the radio station of telephone system was connected in the net in described IP Trunk Media Gateway will insert, adopted IP-based switching's technology; Automatically the uninterrupted method of call answering that keeps of described ground empty verbiage sound may further comprise the steps:
The present invention does not change the wireless wave character in empty radio station originally, namely do not adopt the networking of novel radio link waveform, but with IP insert, the network modes of SIP control becomes to a kind of Internet resources empty radio station, existing ground and used by the user, system adopts the packet switching network based on the SIP/IP agreement to constitute, and uses the C/S framework.
Among the present invention, the SIP swap server in tandem dispatch server, the networking node network element device can adopt the universal PC server platform, use the Session Initiation Protocol, the utilization web administration technology that meet RFC3261; SIP radio station voice communication terminal can adopt universal PC platform or embedded system technology, use to meet the Session Initiation Protocol of RFC3261 according to actual needs; The empty radio station network access device in ground in the networking node network element device and IP Trunk Media Gateway can adopt embedded system technology according to actual needs, or adopt universal PC to add the voice plate card mode, use the Session Initiation Protocol that meets RFC3261.
Group network system of the present invention is implemented on the IP network, adopts the IP-based switching's technical system based on Session Initiation Protocol.System is not subjected to the restriction in geographical position, can distributed deployment, and the main building block of system can also can be distributed in the different LANs in same LAN.Adopt the design philosophy of unification of three nets, ground empty verbiage sound network foundation platform both can independently make up, and can share with the command automation computer network again, took full advantage of existing various IP network resources.
Beneficial effect: remarkable advantage of the present invention is:
(1) can realize integrated with the Ground-to-Air Data Link system, that realizes adapting with it is harmonious, the ground empty verbiage sound commander of goal-orientation.Make the commander when seeing target, can synchronization gain carry out the ability of speech commander control to it.
(2) can be with shorter settling time, set up mode more flexibly, the communication link of one line task aircraft directly being implemented speech commander control is provided for remote senior command centre, make chief executive's order arrive a line aircraft in the very first time, accomplish that link setup is used at any time at any time.
(3) can realize empty radio station, ground speech commander's flattening, integrated, thereby with different manufacturers, the ground empty verbiage sound commander equipment of different model is connected in the net, makes the commanding in the command centre of arbitrary geographic position can use the empty radio station, ground in any required geographical position that set target is carried out speech commander control.Make ground empty radio station speech become a kind of Internet resources and be shared and ask for as required.
(4) take full advantage of existing equipment, empty radio station, the ground on the diverse geographic location is organized in one " network ", " polymerization ", " multiplication " usefulness of performance network, thus realized empty radio station, the ground speech commander that the large scale universe covers.
(5) provide that survivability is strong, empty radio station, the ground of high reliability speech command ability.
(6) provide the regional interior continual intelligent voice command ability of ground empty radio station speech that keeps automatically.
(7) to the network resource utilization height, simple and effective, the suitable convenient multiple business that increases of interconnecting.
(8) unification of infrastructure, can with other command automation grid integrated design, common network uses.Thereby make system's maintenance easily, reconstruct, scalable, strengthen the stupid sustainability of system, realize smooth upgrade etc.
(9) reduction user's the total cost of ownership is economized on the use of funds.
(10) single network management.
Description of drawings
Below in conjunction with the drawings and specific embodiments the present invention is done further to specify, above-mentioned and/or otherwise advantage of the present invention will become apparent.
Fig. 1 is based on the speech group network system system assumption diagram of empty radio station regionally of SIP.
Fig. 2 is based on the implementation pattern one theory of constitution figure of the speech group network system of empty radio station regionally of SIP.
Fig. 3 is based on the implementation pattern two theory of constitution figure of the speech group network system of empty radio station regionally of SIP.
Fig. 4 is based on the implementation pattern three theory of constitution figure of the speech group network system of empty radio station regionally of SIP.
Fig. 5 is networking node network element device theory of constitution figure.
Fig. 6 is based on the empty radio station speech group network system information relationship figure regionally of SIP.
Fig. 7 is empty radio station, the ground call answering communication flow diagram of directly networking.
Fig. 8 is empty radio station, the ground call answering communication flow diagram (use in radio station, telephone system seat control appliance) of networking indirectly.
Fig. 9 is empty radio station, the ground call answering communication flow diagram (use SIP radio station voice communication terminal) of networking indirectly.
Figure 10 is the ground empty verbiage sound uninterrupted call answering communication flow diagram that keeps automatically.
Embodiment:
The architecture of group network system as shown in Figure 1, layering, the standard-sized sheet of following next generation network (NGN) are put architecture, are an opening, complete, standardized soft exchanging system structure.System is divided into four layers: medium/Access Layer, IP network transport layer, information exchange processing controls layer, service application layer.The basic network platform is selected IP network for use, and radio station speech and radio station control information are all by this IP network carrying.
Interior telephone system is the inner voice communication control system of a kind of command centre (institute), be prior art, comprise a plurality of local stations and radio station, seat control appliance, it is comprehensive voice, exchanges data control system, integrally be in communication on the control desk sky and ground, possess multiple interfaces, can be the user multiple Speech Communication mode is provided.Telephone system generally is exchanged for core with digital time-division in the main flow, and prime can connect the network of local radio transceiver, all kinds of phone and various protocols, and the back level is used for the commanding; Its composition generally comprises central authorities exchange processing section, interface section, seat part and system monitoring part.Interior telephone system is usually based on wire communication, and radio communication is auxilliary; Mainly finish voice communication contact and commander's control between (institute) inner all departments of command centre and each position, voice communication between commanding and the aircraft is provided, satisfy command centre (institute) in the demand that routine work, administration and life are communicated by letter, guarantee command centre (institute) each position and interdepartmental information opened and communication for coordination.
For there not being interior telephone system to realize the occasion of earth-space communication, by the empty radio station network access device in ground the radio station is connected networking, use SIP radio station voice communication terminal as the man-machine interface in radio station in commander's operation net simultaneously; Realize the occasion of earth-space communication for telephone system in existing, by the IP Trunk Media Gateway with in the control Access Network of interior telephone system to the radio station.Information exchange processing controls layer adopts the framework based on the SIP agreement, and local SIP Exchange Service and transregional tandem dispatch service are provided.After the networking of radio station, empty radio station, all ground commander's speech changes the SIP speech intercommunication on the IP network into; Obtain the aircraft target Handoff Control command information that the command automation system provides by IP network, keep providing the input source for realizing the uninterrupted automatically of ground empty verbiage sound.
What the present invention adopted is to be based upon the technical Softswitch technology based on Session Initiation Protocol of IP, its basic principle is: be converted to SIP speech and IP packet by voip technology with the radio station speech with to the control information in radio station, under the exchange control of SIP swap server and tandem dispatch server, through IP network SIP speech and data packet transmission are arrived the destination, again these speeches, control data packet recovery are become original speech and to the control signal in radio station, thereby reach the purpose that is transmitted the radio station speech by IP network, realize the networking of empty radio station speech interiorly of certain zone.After system starts, the empty radio station network access device in ground in each geographical set of locations net node network element device, SIP radio station voice communication terminal, IP Trunk Media Gateway elder generation register to the SIP swap server in the local network element device, each SIP swap server is registered to the tandem dispatch server, forms the group network system logical construction.
The present invention is core with networking node network element device, constitute calling control and exchange of speech plane with the SIP swap server in tandem dispatch server and the networking node network element device, the IP that is the radio station medium with the empty radio station network access device in the ground in the networking node network element device inserts stage process handling equipment, be that interior telephone system medium insert stage process handling equipment with the IP Trunk Media Gateway, with SIP radio station voice communication terminal for the user agent device of user radio station Speech Communication is provided, on IP network, adopted based on IP-based switching's technique construction of Session Initiation Protocol a kind of fully based on the speech group network system of empty radio station regionally of SIP.
As Fig. 2, shown in Figure 3, system comprises tandem dispatch server 1, networking node network element device 2, SIP radio station voice communication terminal 5, and networking node network element device 2 by SIP swap server 3, empty radio station network access device 4 and IP Trunk Media Gateway 6 form.
Tandem dispatch server 1: adopt the standard Session Initiation Protocol, link to each other with each networking node network element device by IP network, be responsible for work such as inter-zone call processing, Media Stream agency, resource management; Obtain the aircraft target Handoff Control command information that the command automation system provides by the interface based on TCP.Realize the networking node network element device interconnection of diverse geographic location by it, thereby form the radio station voice network.
Networking node network element device 2: be a cover SIP speech switching system, by SIP swap server 3, empty radio station network access device 4 and IP Trunk Media Gateway 6 in a local area network (LAN), be formed by connecting.SIP swap server 3 uses the standard Session Initiation Protocol with the empty radio station network access device 4 in ground, IP Trunk Media Gateway 6.
The empty radio station network access device 4 in ground: link to each other with empty radio station, ground by audio interface, control/state interface.Be connected with SIP swap server 3 by network interface, realize that speech, state and the control information in empty radio station network locally, its actual quantity is decided according to concrete application deployment environment.
IP Trunk Media Gateway 6: realization will insert in the radio station Access Network of interior telephone system.By the IP network interface, adopt the standard Session Initiation Protocol to be connected with SIP swap server 3 on the one hand; By speech and data-interface, as signalling system No.7 or Ethernet interface, link to each other with interior telephone system on the other hand; Make the commander still can use radio station, the seat control appliance of former interior telephone system to use radio station in the net, and radio station that interior telephone system is controlled can also be used by interior other users of net.Its actual quantity is decided according to concrete application deployment environment.
SIP radio station voice communication terminal 5: by IP network, employing standard Session Initiation Protocol is connected with networking node network element device 2, tandem dispatch server 1 connects.When local station inserted networking node network element device, it provided the people's machine equipment that uses radio station in the net.As sip user agent, be responsible for making a call, call accepted and make response.Employing is based on the interface of Transmission Control Protocol, and empty radio station network access device 4 and IP Trunk Media Gateway 6 transmit PTT(Push To Talk, PTT push to talk to ground) the keying signal of giving orders or instructions; Employing is based on RTP(Real-time Transport Protocol, RTP) interface of agreement sets up the speech media circulation road.Its actual quantity is decided according to concrete application deployment environment.
Specific implementation pattern of the present invention can have following three kinds:
(1) the specific implementation pattern one
As shown in Figure 2, this kind implementation pattern is mainly by the tandem dispatch server 1, the SIP radio station voice communication terminal 5 that are positioned at empty verbiage sound networking center, ground, and the networking node network element device 2 that is arranged in the empty station in ground is formed.Networking node network element device configuration SIP swap server 3 and the empty radio station network access device 4 in ground, the empty radio station network access device 4 in ground connects the radio station and networks.
(2) specific implementation two
As shown in Figure 3, this kind implementation pattern mainly is made up of the tandem dispatch server 1 that is positioned at empty verbiage sound networking center, ground and the networking node network element device 2, the SIP radio station voice communication terminal 5 that are positioned at command centre (institute).Telephone system control radio station in command centre (institute), being provided with, networking this moment node network element device 2 configuration SIP swap server 3 and IP Trunk Media Gateways 6, IP Trunk Media Gateway 6 is connected with interior telephone system by the voice/data interface, and it is included in the net.Second kind of embodiment of this pattern is the situation of telephone system in not transforming, at this moment radio station that interior telephone system is controlled is changed into and connect the empty radio station network access device 4 in ground, interior telephone system still uses original mode to operate local station, these radio station can be connected in the net simultaneously, join other radio station in the SIP radio station Speech Communication control terminal 5 use nets by increasing again.
(3) specific implementation three
As shown in Figure 4, this kind implementation pattern is mainly by the tandem dispatch server 1 that is positioned at empty verbiage sound networking center, ground, the networking node network element device 2 that is positioned at networking node network element device 2, the SIP radio station voice communication terminal 5 of command centre (institute) and is arranged in the empty station in ground is formed.Networking node network element device 2 configuration SIP swap server 3 and IP Trunk Media Gateways 6 by command centre's (station), the networking node network element device configuration SIP swap server of the empty station in ground and the empty radio station network access device 4 in ground respectively with interior telephone system, empty radio station (the empty station) be connected networking, formation empty verbiage sound net.Second kind of embodiment of this pattern is the situation of telephone system in not transforming, at this moment radio station that interior telephone system is controlled is changed into and connect the empty radio station network access device 4 in ground, interior telephone system still uses original mode to operate local station, these radio station can be connected in the net simultaneously, use other radio station in the net by SIP radio station Speech Communication control terminal.
The concise and to the point operation principle of the present invention is: be converted to SIP speech and IP packet by IP telephony technology with the radio station speech with to the control information in radio station, under the exchange control of SIP swap server 3 and tandem dispatch server 1, through IP network SIP speech and data packet transmission are arrived the destination, again these speeches, control data packet recovery are become original speech and to the control signal in radio station, thereby reach the purpose that is transmitted the radio station speech by IP network, realize certain zone networking of empty phone speech interiorly.
After the present invention starts, the empty radio station network access device 4 in ground in each geographical set of locations net node network element device 2, IP Trunk Media Gateway 6 elder generations register to the SIP swap server 3 in the local networking node network element device 2, each SIP swap server 3 is registered to tandem dispatch server 1, SIP radio station voice communication terminal 5 both can be to affiliated SIP swap server 3 according to its actual deployed position, also can register to tandem dispatch server 1, form the group network system logical construction.
(1) directly network in empty radio station
In conjunction with Fig. 2, Fig. 3, Fig. 4 and Fig. 6, directly networking is the multi-section local station that is under the jurisdiction of the empty station of a command centre (institute) or ground and directly links to each other with the empty radio station network access device 4 in ground in the networking node network element device 2, thereby links in the speech net of radio station.Ground in SIP radio station voice communication terminal 5, the networking node network element device 2 empty radio station network access device 4 network sides are equivalent to sip user agent.
SIP radio station voice communication terminal 5 provides radio station selected control and operation display interface for the user, initiate INVITE(invitation according to the radio station that the user selects to SIP swap server 3, this method is used for inviting user or service to participate in a session) request, after this request message is received by SIP swap server 3, if radio station, strange land then this request is transferred into tandem dispatch server 1, IP address and the port numbers of the empty radio station network access device 4 in ground of networking node network element device 2 under inquiry obtains called radio station.Another kind of situation is that SIP radio station voice communication terminal 5 directly sends the INVITE request to tandem dispatch server 1, IP address and the port numbers of the empty radio station network access device 4 in ground of networking node network element device 2 under inquiry obtains called radio station.Through after a series of the replying, between calling and called, set up and call out.SIP radio station voice communication terminal 5 is converted to the SIP digital voice with user's simulated voice, and the control signaling that the PTT signal that the transmitting-receiving of control semi duplex radio station is switched reaches the radio station is converted to IP data empty radio station network access device 4 with sending to the opposite end.
The empty radio station network access device 4 in ground in the networking node network element device 2 directly is connected with the radio station by radio station audio frequency, control/state interface circuit, finishes processing and the format conversion of signaling and speech.After succeeding in registration, namely be in the Call Waiting state, when receiving that carrying out SIP after SIP swap server 3 is transmitted next SIP radio station voice communication terminal 5 messages related to calls replys, set up with the caller communication terminal between the SIP link, user SIP speech, PTT and the radio station that will come from SIP radio station voice communication terminal 5 on the one hand control the IP data be converted to company the radio station speech, PTT and the control signal that are complementary send into the radio station and send; The speech that the radio station is received and the radio station state information is converted to the SIP digital voice and the SIP link of state I P packet through having set up delivered to SIP radio station voice communication terminal 5 is finished medium and state information conversion by the latter on the other hand.
Finishing using in the radio station, sends SIP end of calling message by SIP radio station voice communication terminal 5, sends empty radio station network access device 4 accordingly to by network, and the latter carries out corresponding radio station and discharges (hanging up) processing, thereby finishes this calling.The empty radio station network access device 4 in ground returns the Call Waiting state, prepares to accept new calling.
Particularly, the direct networking in empty radio station may further comprise the steps describedly:
Step 707 is carried out the SIP call answering between the radio station of SIP radio station voice communication terminal use corresponding address and the ground air net network access device;
Step 708 is set up the SIP link between SIP radio station voice communication terminal and the ground air net network access device;
Empty radio station network access device sends SIP end of calling message to ground for step 712, SIP radio station voice communication terminal;
(2) network indirectly in empty radio station
In conjunction with Fig. 3, Fig. 4 and Fig. 6, indirect networking is the multi-section local station that is under the jurisdiction of a command centre (institute) and links to each other with interior telephone system, controlled by it, be connected on the networking node network element device 2 by IP Trunk Media Gateway 6, thereby the radio station of former interior telephone system control is linked in the speech net.
IP Trunk Media Gateway 6 is IP phone gateway based on SIP in function, mainly finishes processing and the format conversion of signaling and speech.IP Trunk Media Gateway 6 links to each other with interior telephone system with data-interface by speech, the information that local interior telephone system connects the radio station is sent into IP Trunk Media Gateway 6 by this data link, submit in the sip server database by IP Trunk Media Gateway 6, the ability according to interior telephone system is distributed to interior telephone system with station information available in the network simultaneously.
Behind the radio station, strange land in former in radio station, the seat control appliance selection network of telephone system, interior telephone system sends speech, PTT, radio station control signaling to IP Trunk Media Gateway 6.This equipment by and interior telephone system between signaling protocol receive called radio station number, be the SIP address with the radio station number translated, start the calling procedure of SIP side.Namely initiate the INVITE request to SIP swap server 3, after this request message is received by SIP swap server 3, if radio station, strange land then this request is transferred into tandem dispatch server 1, obtain IP address and the port numbers of the IP Trunk Media Gateway 6 of the affiliated networking node network element device 2 in called radio station.Through a series of replying, behind the 200/OK that receives the opposite end sip user agent, send and connect signaling to interior telephone system, call out thereby between calling and called, set up.IP Trunk Media Gateway 6 is the SIP digital voice with the voice conversion of interior telephone system side, the PTT signal that control semi duplex radio station transmitting-receiving is switched and the control signaling in radio station is converted to the IP data sends in the voice network of soft switch radio station.Simultaneously, will come from radio station, strange land IP speech in the network and state information is converted to suitable medium and the data message of interior telephone system and sends into interior telephone system.
Talk-through sends the signaling request that discharges the radio station by interior telephone system and gives IP Trunk Media Gateway 6, it carries out corresponding on-hook and handles, the request of will discharging is converted to SIP conversation end message, sends the radio station, strange land to by network, through a series of releases (hanging up) thus operation finishes this calling.
When far-end SIP radio station voice communication terminal 5 makes a call, the radio station under the local networking node network element device 2 is used in request, and when this radio station is connected in the interior telephone system, IP Trunk Media Gateway 6 receives the SIP call request that SIP swap server 3 is transmitted from network, the radio station occupied signaling of telephone system identification in then this request being converted to, send into interior telephone system by data-interface, connect the radio station and reply IP Trunk Media Gateway 6 by the latter, IP Trunk Media Gateway 6 is converted into sip response message, accept this calling, the calling of setting up between the calling and called connects.IP Trunk Media Gateway 6 will come from the IP speech, PTT of the far-end communication terminal in the network and radio station control IP data and be converted to suitable medium and the data message of interior telephone system and send into interior telephone system; Voice conversion with interior telephone system side is the SIP digital voice simultaneously, and the radio station state information is converted to the IP data and sends in the voice network of radio station.
Far-end communication terminal terminated call, IP Trunk Media Gateway 6 receives SIP conversation end message from network, be the radio station release signaling of interior telephone system identification then with this message conversion, send into interior telephone system by data-interface, finish the radio station by the latter and discharge recovery operation.
Empty radio station, ground is when networking indirectly, with radio station, the seat control appliance of interior telephone system use in the network the communication process of call answering in empty radio station see that Fig. 8 may further comprise the steps:
The signaling format of telephone system identification in step 807, called end IP Trunk Media Gateway are converted to invitation message, and send the radio station occupied signaling;
Step 808 is connected empty radio station calledly by interior telephone system;
With SIP radio station voice communication terminal 5 use in the networks the call answering communication process in empty radio station see Fig. 9, may further comprise the steps:
Telephone system radio station in step 902, far-end SIP radio station voice communication terminal are selected in the network, and send message request;
Step 903, tandem dispatch server are obtained address, called radio station;
The signaling format of telephone system identification in step 904, called end IP Trunk Media Gateway are converted to invitation message, and send the radio station and take order;
Step 907 is set up the SIP link between far-end SIP radio station voice communication terminal and the called end IP Trunk Media Gateway;
Voice, the state information that called end IP Trunk Media Gateway provides interior telephone system is converted to the IP data and delivers to far-end SIP radio station voice communication terminal;
(3) the uninterrupted maintenance automatically of empty verbiage sound
In conjunction with Fig. 2, Fig. 3, Fig. 4 and Fig. 6, the uninterrupted automatically of ground empty verbiage sound keeps referring under the environment of certain empty netting regionally, when target aircraft takes off, after ground control person sets up Speech Communication by initial selected radio station with it, the Handoff Control command information that aircraft provides according to other existing CCIS when carrying out transregional flight, group network system selects the radio station of correct position and target to set up voice link automatically, need not the artificial selection intervention and just the voice link in commander and initial radio station can be seamlessly switched to current radio station, thereby make the commander remain Speech Communication with target, and needn't be concerned about the radio station numbering of concrete use.
After task was taken off, ground control person at first used the voice communication link of empty radio station foundation locally and target by SIP radio station voice communication terminal 5 or interior telephone system artificial selection.In flight course, CCIS can be according to real time kinematics track and the flight trend of aircraft, and generation Handoff Control command information such as the empty radio mode in ground, quality and flow information also sends group network system to.Because group network system is also based on the IP packet switching network, can adopt integrated design with CCIS, therefore group network system can easily obtain the Handoff Control command information neatly from CCIS, therefrom obtain the path, radio station that suits, by tandem dispatch server 1 called station information is handed down to SIP radio station voice communication terminal 5 or IP Trunk Media Gateway 6.SIP radio station voice communication terminal 5 or IP Trunk Media Gateway 6 are initiated the SIP calling automatically again according to called station information then, through the speech channel of group network system foundation with new radio station, thus automatic uninterrupted maintenance of realization ground empty verbiage sound.When this finished speech commander task of target aircraft, the commander need discharge the radio station by SIP radio station voice communication terminal 5 or artificial initiatively selection of interior telephone system, after discharging (hanging up) at group network system accordingly and handling, finished this time calling-up.
Automatically the uninterrupted communication process of call answering that keeps of ground empty verbiage sound is seen Fig. 9, may further comprise the steps:
The invention provides a kind of empty radio station speech group network system regionally based on SIP and thinking and the method for implementation method thereof; method and the approach of this technical scheme of specific implementation are a lot; the above only is preferred implementation of the present invention; should be understood that; for those skilled in the art; under the prerequisite that does not break away from the principle of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.In the present embodiment not clear and definite each part all available prior art realized.
Claims (4)
1. direct networking method in empty radio station, ground based on the speech group network system of empty radio station regionally of SIP, it is characterized in that, comprise empty radio station, many tablelands, tandem dispatch server, SIP radio station voice communication terminal and be connected the tandem dispatch server and SIP radio station voice communication terminal between networking node network element device, described networking node network element device connects empty radio station, ground; Described networking node network element device comprises the IP Trunk Media Gateway; Empty radio station, ground directly networking may further comprise the steps:
Step 701, SIP radio station voice communication terminal is registered to SIP swap server or tandem server;
Step 702, SIP radio station voice communication terminal is selected the radio station, and send invitation message to SIP swap server or tandem dispatch server, if send invitation message to the SIP swap server, then carry out step 703, if send invitation message to the tandem dispatch server, then skip to step 704;
Step 703, SIP swap server judge whether to be the radio station, strange land, if, then transmit invitation message, and carry out step 704, if not, then transmit message, and carry out step 705;
Step 704, the tandem dispatch server obtains the address in called radio station;
Step 705, the empty radio station network access device in ground that empty radio station, ground, described strange land connects receives the forwarding of tandem dispatch server and invites, and turns to step 707;
Step 706, the empty radio station network access device in the ground that local station connects receives the forwarding of tandem dispatch server and invites, and turns to step 707;
Step 707 is carried out the SIP call answering between the radio station of SIP radio station voice communication terminal use corresponding address and the ground air net network access device;
Step 708 is set up the SIP link between SIP radio station voice communication terminal and the ground air net network access device;
Step 709, SIP radio station voice communication terminal is converted to the IP data with voice, PTT and control signaling and is sent to the empty radio station network access device in ground; SIP radio station voice communication terminal 5 will be converted to voice and state information from the IP data that ground sky radio station network access device 4 receives;
Step 710, the empty radio station network access device in ground is converted to voice, PTT and the control signaling that can identify in empty radio station, ground with voice, PTT and the control signaling IP data of receiving and is sent to empty radio station, ground; The speech that the empty radio station network access device 4 in ground receives empty radio station, ground and the state information in this radio station are converted to the IP data;
Step 711, Speech Communication is carried out in empty radio station, empty radio station network access device control ground, ground;
Empty radio station network access device sends SIP end of calling message to ground for step 712, SIP radio station voice communication terminal;
Step 713, empty radio station network access device discharges empty radio station, ground describedly;
Step 714, empty radio station, the ground end of conversation of directly networking.
2. one kind based on the empty radio station, ground of the speech group network system of empty radio station regionally of the SIP method of the call answering of networking indirectly, it is characterized in that, comprise empty radio station, many tablelands, tandem dispatch server, SIP radio station voice communication terminal and be connected the tandem dispatch server and SIP radio station voice communication terminal between networking node network element device, described networking node network element device connects empty radio station, ground; Described networking node network element device comprises the IP Trunk Media Gateway, and the radio station of telephone system was connected in the net in described IP Trunk Media Gateway will insert, adopted IP-based switching's technology; Empty radio station, the ground method of the call answering of networking indirectly may further comprise the steps:
Step 801, the IP Trunk Media Gateway is registered to the SIP swap server;
Step 802, interior telephone system is selected radio station in the net;
Step 803, interior telephone system transmits voice, PTT and control signaling to calling terminal IP Trunk Media Gateway;
Step 804, the IP Trunk Media Gateway carries out signaling, speech processes and format conversion, and starts radio station, strange land SIP calling to the SIP swap server;
Step 805, SIP swap server are transmitted invitation message to the tandem dispatch server;
Step 806, described tandem dispatch server obtains address, called radio station, and transmits and invite;
The signaling format of telephone system identification in step 807, called end IP Trunk Media Gateway are converted to invitation message, and send the radio station occupied signaling;
Step 808 is connected empty radio station calledly by interior telephone system;
Step 809, calling terminal IP Trunk Media Gateway and called end IP Trunk Media Gateway carry out the SIP call answering;
Step 810, calling terminal IP Trunk Media Gateway and called end IP Trunk Media Gateway are set up the SIP link;
Step 811, called end IP Trunk Media Gateway is converted to the form that interior telephone system can be identified with the IP data of voice, signaling, sends into interior telephone system; Voice, the state information that called end IP Trunk Media Gateway provides interior telephone system is converted to the IP data and delivers to calling terminal IP Trunk Media Gateway;
Step 812, interior telephone system are set up with the calling in empty radio station calledly and are connected;
Step 813, interior telephone system discharges called radio station, and release signaling is sent into calling terminal IP Trunk Media Gateway;
Step 814, called end IP Trunk Media Gateway is the signaling format of interior telephone system identification with SIP end of calling message conversion, and sends the radio station release signaling;
Step 815, interior telephone system discharge empty radio station, ground;
Step 816, the call answering end of conversation of the indirect networking in empty radio station describedly.
3. one kind based on the empty radio station, ground of the speech group network system of empty radio station regionally of the SIP method of the call answering of networking indirectly, it is characterized in that, comprise empty radio station, many tablelands, tandem dispatch server, SIP radio station voice communication terminal and be connected the tandem dispatch server and SIP radio station voice communication terminal between networking node network element device, described networking node network element device connects empty radio station, ground; Described networking node network element device comprises the IP Trunk Media Gateway, and the radio station of telephone system was connected in the net in described IP Trunk Media Gateway will insert, adopted IP-based switching's technology; The method of the call answering of the indirect networking in empty radio station may further comprise the steps describedly:
Step 901, far-end SIP radio station voice communication terminal is registered to the SIP swap server;
Telephone system radio station in step 902, far-end SIP radio station voice communication terminal are selected in the network, and send message request;
Step 903, tandem dispatch server are obtained address, called radio station;
The signaling format of telephone system identification in step 904, called end IP Trunk Media Gateway are converted to invitation message, and send the radio station and take order;
Step 905, interior telephone system is connected empty radio station calledly;
Step 906, far-end SIP radio station voice communication terminal and called end IP Trunk Media Gateway carry out the SIP call answering;
Step 907 is set up the SIP link between far-end SIP radio station voice communication terminal and the called end IP Trunk Media Gateway;
Step 908, called end IP Trunk Media Gateway is converted to the form that interior telephone system can be identified with the IP data of voice, signaling, sends into interior telephone system;
Voice, the state information that called end IP Trunk Media Gateway provides interior telephone system is converted to the IP data and delivers to far-end SIP radio station voice communication terminal;
Step 909, far-end SIP radio station voice communication terminal are set up with the calling in empty radio station calledly and are connected;
Step 910, far-end SIP radio station voice communication terminal send SIP end of calling message;
Step 911, called end IP Trunk Media Gateway is the signaling format of interior telephone system identification with SIP end of calling message conversion, and sends the radio station release signaling;
Step 912, interior telephone system discharges the radio station;
Step 913, the call answering end of conversation of the indirect networking in empty radio station describedly.
4. uninterrupted call answering method that keeps automatically based on the ground empty verbiage sound of the speech group network system of empty radio station regionally of SIP, it is characterized in that, comprise empty radio station, many tablelands, tandem dispatch server, SIP radio station voice communication terminal and be connected the tandem dispatch server and SIP radio station voice communication terminal between the group network system that constitutes of networking node network element device, described networking node network element device connects empty radio station, ground; Described networking node network element device comprises the IP Trunk Media Gateway, and the radio station of telephone system was connected in the net in described IP Trunk Media Gateway will insert, adopted IP-based switching's technology; Automatically the uninterrupted method of call answering that keeps of described ground empty verbiage sound may further comprise the steps:
Step 1001, SIP radio station voice communication terminal or IP Trunk Media Gateway are registered to the SIP swap server;
Step 1002, described SIP radio station voice communication terminal or interior telephone system are selected empty radio station, initial ground, and send message request;
Step 1003, by group network system, SIP radio station voice communication terminal or radio station, interior telephone system seat control appliance are set up the ground-to-air radio station voice communication link with target aircraft;
Step 1004, group network system obtains path, a radio station by the Handoff Control instruction;
Step 1005, the tandem dispatch server issues station information to SIP radio station voice communication terminal or IP Trunk Media Gateway;
Step 1006, SIP radio station voice communication terminal or IP Trunk Media Gateway are initiated radio station SIP again and are called out;
Step 1007, by group network system, SIP radio station voice communication terminal or interior telephone system are set up the speech channel with new radio station;
Step 1008 by group network system, is carried out the uninterrupted maintenance automatically of ground empty verbiage sound;
Step 1009, radio station, the seat control appliance of SIP radio station voice communication terminal or interior telephone system discharges empty radio station, ground, and sends end of calling information;
Step 1010, described group network system is hung up;
Step 1011, the uninterrupted call answering that keeps automatically of described ground empty verbiage sound finishes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105203339A CN102065076B (en) | 2010-10-26 | 2010-10-26 | Implementation method of SIP (Session Initiation Protocol)-based regional ground-to-air radio station voice networking system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105203339A CN102065076B (en) | 2010-10-26 | 2010-10-26 | Implementation method of SIP (Session Initiation Protocol)-based regional ground-to-air radio station voice networking system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102065076A CN102065076A (en) | 2011-05-18 |
| CN102065076B true CN102065076B (en) | 2013-07-17 |
Family
ID=44000177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105203339A Active CN102065076B (en) | 2010-10-26 | 2010-10-26 | Implementation method of SIP (Session Initiation Protocol)-based regional ground-to-air radio station voice networking system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102065076B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104702567A (en) * | 2013-12-05 | 2015-06-10 | 航天信息股份有限公司 | Heterogeneous voice resource intercommunication method and system based on IP (Internet Protocol) scheduling switch |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104168393B (en) * | 2013-05-17 | 2017-07-18 | 珠海翔翼航空技术有限公司 | A kind of voice scheduling method for generating the empty call voice content in optimal land |
| CN104079505A (en) * | 2014-07-08 | 2014-10-01 | 北京东进航空科技股份有限公司 | Radio station dispatching system and method |
| CN105592023B (en) * | 2014-11-13 | 2018-12-07 | 中国科学院沈阳计算技术研究所有限公司 | The phone system and method for SIPHelloSDK and voice plate card |
| CN106411850B (en) * | 2016-08-31 | 2019-05-24 | 北京京航计算通讯研究所 | A kind of emergency communication method based on Session Initiation Protocol |
| CN106375315B (en) * | 2016-08-31 | 2019-05-24 | 北京京航计算通讯研究所 | A kind of emergency commading system based on Session Initiation Protocol |
| CN106817135B (en) * | 2016-12-09 | 2019-06-07 | 中国电子科技集团公司第五十研究所 | The beechnut realized based on software and radio technique |
| CN107248894B (en) * | 2017-06-02 | 2019-06-11 | 广东凌传科技有限公司 | Embedded radio station IP voice module and its control method |
| CN107566368B (en) * | 2017-09-04 | 2020-10-27 | 中国航空无线电电子研究所 | Voice communication system for ground command node and utilization method thereof |
| CN107888572A (en) * | 2017-10-27 | 2018-04-06 | 中国电子科技集团公司第二十八研究所 | The speech radio station transceiver mode switching control method of IP based network |
| CN108173858B (en) * | 2017-12-29 | 2020-09-15 | 成都天奥信息科技有限公司 | VOIP real-time voice network management processing system based on VxWorks operating system |
| CN110809097B (en) * | 2019-11-07 | 2021-02-26 | 南京莱斯电子设备有限公司 | Main and standby framework VoIP radio station gateway based on ED137 protocol |
| CN111970288B (en) * | 2020-08-24 | 2023-04-07 | 成都天奥信息科技有限公司 | Transmission following method based on VoIP ground-air voice communication |
| CN111970291B (en) * | 2020-08-24 | 2023-06-02 | 成都天奥信息科技有限公司 | Voice communication switching system and very high frequency ground-air simulation radio station distributed networking method |
| CN111970292B (en) * | 2020-08-24 | 2023-02-24 | 成都天奥信息科技有限公司 | Civil aviation VoIP voice communication exchange system and control seat distributed networking method |
| CN111970290B (en) * | 2020-08-24 | 2023-04-07 | 成都天奥信息科技有限公司 | Multi-carrier delay compensation method based on VoIP ground-air voice communication |
| CN111970289B (en) * | 2020-09-10 | 2023-02-10 | 成都天奥信息科技有限公司 | Interconnection networking method and system of civil aviation VoIP voice communication exchange system |
| CN113225123B (en) * | 2021-04-25 | 2022-07-01 | 中国电子科技集团公司第五十四研究所 | Method for converting circuit voice to VOIP voice in satellite mobile communication system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101022485A (en) * | 2007-03-23 | 2007-08-22 | 中国电子科技集团公司第二十八研究所 | Ground-air speech coupling method and system for realizing ground-air talking |
| CN101051850A (en) * | 2007-03-23 | 2007-10-10 | 中国电子科技集团公司第二十八研究所 | Frequency coupling method and system of air different frequency semi duplex radio station |
-
2010
- 2010-10-26 CN CN2010105203339A patent/CN102065076B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101022485A (en) * | 2007-03-23 | 2007-08-22 | 中国电子科技集团公司第二十八研究所 | Ground-air speech coupling method and system for realizing ground-air talking |
| CN101051850A (en) * | 2007-03-23 | 2007-10-10 | 中国电子科技集团公司第二十八研究所 | Frequency coupling method and system of air different frequency semi duplex radio station |
Non-Patent Citations (4)
| Title |
|---|
| IP指挥调度通信系统;北京寰龙技术有限公司;《C114中国通信网》;20070809;第4段，第7段，第15段，第17段，第21段，附图 * |
| 北京寰龙技术有限公司.IP指挥调度通信系统.《C114中国通信网》.2007,第4段，第7段，第15段，第17段，第21段，附图. |
| 基于SIP协议的半双工VHF话音通信远程接入系统;陈鸿杰;《电讯技术》;20100831;第50卷(第8期);第108页左栏第5-6段，右栏第2-3段，第109页左栏第5-8段，第110页第2段，图1 * |
| 陈鸿杰.基于SIP协议的半双工VHF话音通信远程接入系统.《电讯技术》.2010,第50卷(第8期),第108页左栏第5-6段，右栏第2-3段，第109页左栏第5-8段，第110页第2段，图1. |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104702567A (en) * | 2013-12-05 | 2015-06-10 | 航天信息股份有限公司 | Heterogeneous voice resource intercommunication method and system based on IP (Internet Protocol) scheduling switch |
| CN104702567B (en) * | 2013-12-05 | 2018-06-05 | 航天信息股份有限公司 | The method and system of xenogenesis voice resource intercommunication based on IP scheduling switch |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102065076A (en) | 2011-05-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102065076B (en) | Implementation method of SIP (Session Initiation Protocol)-based regional ground-to-air radio station voice networking system | |
| CN101238740B (en) | Method and system for managing virtual talk group media | |
| EP1875756B1 (en) | Internet protocol radio dispatch system and method | |
| CN102238487B (en) | Multimedia cluster scheduling system and method thereof | |
| CN100563355C (en) | A kind of communication means, equipment and system | |
| CN106063236B (en) | The trunking method and recording medium of relay, sound communication system, voice signal | |
| CN205566359U (en) | Empty communication system in very high frequency ground | |
| CN102802277B (en) | Broadband digital trunked communication system | |
| CN110012366A (en) | It is a kind of for public private network IP interconnection under wide and narrow strip converged communication system and method | |
| CN102843650B (en) | Method for achieving video scheduling | |
| CN104918220B (en) | The system that interconnects between digital clustering communication system is realized based on air interface | |
| CN103444162B (en) | Method and device for transferring control of an existing conference call to application of conference control | |
| CN109104650A (en) | Multiple networks fusion communication system | |
| CN208337676U (en) | A kind of voice communication system for ship traffic management system | |
| CN101411174A (en) | Communication system | |
| CN110267213B (en) | Wide-band and narrow-band fusion communication information system for railway passenger station | |
| CN103024684A (en) | Implementation method of single call service | |
| CN204145538U (en) | A kind of multimedia cluster dispatching communication system | |
| CN107547818A (en) | The building equipment means of communication and system based on cloud call center | |
| CN105472187A (en) | Voice communication control system based on TDM and IP buses | |
| CN111047472A (en) | Multi-dimensional information fusion power emergency command and dispatch communication system | |
| CN106506463A (en) | Public affairs based on private network cluster and 3G/4G public networks/private network interconnection and interflow system and method | |
| CN102984404A (en) | Voice communication scheduling command system | |
| CN208739327U (en) | Multiple networks fusion communication system | |
| CN103428057B (en) | Way system in the arenas of IP based network |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |