CN103079171B - A kind of non-stop layer command dispatching and communication system and its call processing method - Google Patents
A kind of non-stop layer command dispatching and communication system and its call processing method Download PDFInfo
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- CN103079171B CN103079171B CN201210580391.XA CN201210580391A CN103079171B CN 103079171 B CN103079171 B CN 103079171B CN 201210580391 A CN201210580391 A CN 201210580391A CN 103079171 B CN103079171 B CN 103079171B
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Abstract
The invention discloses a kind of non-stop layer command dispatching and communication system and its call processing method, its software architecture includes several terminal nodes, described terminal node includes PS modules, UAC modules and UAS modules, the PS modules are communicated by Session Initiation Protocol with the UAC modules and the UAS modules, it is in communication with each other between several described terminal nodes by the PS modules, the PS inside modules safeguard the state of the local terminal node；The side of the PS modules and the UAC module compositions caller unit, the opposite side of the PS modules are called unit with the UAS module compositions.The non-stop layer system of the present invention is the communication system of no any Centroid, only exists terminal node in network, and the center Network Element Function in legacy network is distributed in each terminal node.Such network reliability is high, and without Single Point of Faliure, the failure of any network node is all without being diffused into the whole network.
Description
Technical field
The inventive method belongs to the communications field, and in particular to a kind of non-stop layer command dispatch communication system based on Session Initiation Protocol
System and its call processing method.
Background technology
Some center network elements in network be present to there is center infrastructures system in legacy communications system, the function of system and
Business is controlled and managed by center network element.
Legacy communications system includes following four aspect：
(1) value-added service layer
Value-added telecom services are provided, by various server groups into such as server of color ring back tone service, prepayment service server
Deng.
There is center：Various servers are service center node, Single Point of Faliure be present, and the failure of any server can all be led
Service disconnection corresponding to cause.
(2) communication layers
Including the telecommunication apparatus such as base station (BS), mobile switching centre (MSC), location register (LR), gateway (GW).
There is center：The various communications infrastructures are network center's point, Single Point of Faliure be present, any center network element failure,
Network will face locally even global paralysis.
(3) transport layer
If network is based on packet, transport layer includes various Ethernet switches and router；If network is based on electricity
Road, then the transport layer transmission equipment such as including SDH, WDWM.
There is center：Various transmission equipments are network center, Single Point of Faliure be present, and the failure of any transmission equipment can all be led
Cause network locally even global paralysis.
(4) terminating layer
Various handheld terminals and vehicle-mounted terminal equipment.
Non-stop layer：Number of interruptions is huge, is distributed in network edge, no Single Point of Faliure, and any terminal breaks down, and only influences
To the user itself, there is no any influence on the whole network.
Non-stop layer system is the communication system of no any Centroid, and terminal node, legacy network are only existed in network
In center Network Element Function be distributed in each terminal node.Such network reliability is high, without Single Point of Faliure, any net
The failure of network node is all without being diffused into the whole network.
Due to not having center network element in network, the call processing method in legacy communications system is just no longer desirable for non-stop layer
System, it is necessary to which control is swapped using new call model.
The content of the invention
In order to overcome problem above existing for prior art, the present invention provides one kind and is applied to non-stop layer command dispatch communication
The call processing method of system.
To realize above-mentioned technical purpose and the technique effect, the present invention is achieved through the following technical solutions：
A kind of non-stop layer command dispatching and communication system, including several terminal nodes, described terminal node include PS
Module, UAC modules and UAS modules, the PS modules are communicated by Session Initiation Protocol with the UAC modules and the UAS modules, institute
State and be in communication with each other by the PS modules between several terminal nodes, the PS inside modules safeguard the local terminal node
State；The side of the PS modules and the UAC module compositions caller unit, opposite side and the UAS of the PS modules
Module composition is called unit.
A kind of call processing method of non-stop layer command dispatching and communication system, including it is Node registry registering flow path, point-to-point
Audio call flow, point-to-multipoint group call flow and PTT rights of speech seize flow；
The Node registry registering flow path, comprises the following steps：The terminal node is every certain cycle to local institute
State PS modules and send REGISTER message, locally after the complete REGISTER message of PS resume modules, broadcasted to the whole network
REGISTER message so that each terminal node of the whole network both knows about the position of all other terminal node in network
Information；
The Point-to-point voice call flow, comprises the following steps：PS module of the UAC modules to the caller unit
After sending INVITE message, the PS modules of the caller unit extract called number UID, then according to certain algorithm, inspection
Rope goes out the address of purpose PS module servers corresponding to the UID, and the PS modules of the called side unit to the address are sent out
The INVITE message is sent, the INVITE message can be forwarded to the UAS modules by the PS modules of the called unit；
The point-to-multipoint group call flow, comprises the following steps：PS mould of the UAC modules to the caller unit
After block sends INVITE message, the PS modules of the caller unit are sent out to the PS modules of the called unit of purpose terminal node
The INVITE message is sent, the INVITE message can be forwarded to the UAS modules by the PS modules of the called unit, each
After terminal node receives the INVITE message, judge whether to respond the message according to purpose GroupID therein；
100Trying message is point-to-point confirmation, optional；
The purpose of 200OK message is that caller counts called subscriber in how many group and have received the message, i.e. how many user
Speech can be answered, it is optional；
ACK message is optional；
In business：It is not necessarily in PTT calls, it is also possible to PTT resting states, but now group exhales relation/event to be
In system or exist；
BYE takes out stitches for what group was exhaled；
The PTT rights of speech seize flow, comprise the following steps：The UAC modules are sent out to the PS modules of the caller unit
After sending extension sip message PTT-INVITE, the called unit of the PS modules of the caller unit to purpose terminal node
PS modules send the PTT-INVITE message；
100Trying is used to confirm, optional；
200OK is used to count, optional；
PTT releases are using extension sip message PTT-BYE, and to distinguish common BYE message, broadcast/group broadcast is sent；
PTT-BYE is only used for discharging current PTT callings, but now group is exhaled relation/event in systems or existed, only
It is that group is exhaled in a dormant state.
Further, the cycle in the Node registry registering flow path is 10 minutes.
Further, the INVITE message in the point-to-multipoint group call flow is broadcast or multicast message.
Further, the extension sip message PTT-INVITE that the PTT rights of speech are seized in flow to broadcast or
Multicast mode is sent.
The beneficial effects of the invention are as follows：
The non-stop layer system of the present invention is the communication system of no any Centroid, and terminal node is only existed in network,
Center Network Element Function in legacy network is distributed in each terminal node.Such network reliability is high, without single-point event
Barrier, the failure of any network node is all without being diffused into the whole network.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention,
And can be practiced according to the content of specification, below with presently preferred embodiments of the present invention and coordinate accompanying drawing describe in detail as after.
The embodiment of the present invention is shown in detail by following examples and its accompanying drawing.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, forms the part of the application, this hair
Bright schematic description and description is used to explain the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the software architecture schematic diagram of the present invention；
Fig. 2 is the Node registry registering flow path figure of the present invention；
Fig. 3 is the Point-to-point voice call flow chart of the present invention；
Fig. 4 is the point-to-multipoint group call flow chart of the present invention；
The PTT rights of speech that Fig. 5 is the present invention seize flow chart.
Label declaration in figure：1st, terminal node, 2, PS modules, 3, UAC modules, 4, UAS modules.
Embodiment
Below with reference to the accompanying drawings and in conjunction with the embodiments, the present invention is described in detail.
It is shown in Figure 1, a kind of non-stop layer command dispatching and communication system, including several terminal nodes 1, described terminal
Node 1 includes PS modules 2, UAC modules 3 and UAS modules 4, the PS modules 2 by Session Initiation Protocol and the UAC modules 3 and
The UAS modules 4 communicate, and are in communication with each other between several described terminal nodes 1 by the PS modules 2, in the PS modules 2
Safeguard the state of the local terminal node 1 in portion；The side of the PS modules 2 forms caller unit, institute with the UAC modules 3
State the opposite side of PS modules 2 and the UAS modules 4 form called unit.
A kind of call processing method of non-stop layer command dispatching and communication system, including it is Node registry registering flow path, point-to-point
Audio call flow, point-to-multipoint group call flow and PTT rights of speech seize flow.
This programme can also make the sip terminal of the external standard of each terminal node, and now PS modules have also wanted cost terminal
The addressing of all external sip terminals in node.
Such decomposition module design makes the software architecture of whole system more flexible, and different modules, which can close, to be set, and also may be used
Set up separately.Three modules, which are closed, to be located at together, can be as the terminal node of non-stop layer system；If the PS modules separated,
Can be as the sip server for having centring system.
Such design can also compatibility standard sip terminal access non-stop layer system, now external sip terminal only needs
It is linked into the PS modules of a certain terminal node.
It is shown in Figure 2, the Node registry registering flow path, comprise the following steps：The terminal node is every certain
Cycle (such as 10 minutes) sends REGISTER message to the local PS modules, and the local PS resume modules are complete described
After REGISTER message, REGISTER message is broadcasted to the whole network so that each terminal node of the whole network is both known about in network
The positional information of all other terminal node.
The Point-to-point voice call flow shown in Figure 3, comprises the following steps：The UAC modules are to the caller
After the PS modules of unit send INVITE message, the PS modules of the caller unit extract called number UID, then according to one
Fixed algorithm, retrieves the address of purpose PS module servers corresponding to the UID, and to the called side unit of the address
PS modules send the INVITE message, the INVITE message can be forwarded to described by the PS modules of the called unit
UAS modules.
The point-to-multipoint group call flow shown in Figure 4, comprises the following steps：The UAC modules are to the master
After making the PS modules of unit send INVITE message (INVITE message is broadcast or multicast message), the caller unit
PS modules send the INVITE message, the PS of the called unit to the PS modules of the called unit of purpose terminal node
The INVITE message can be forwarded to the UAS modules by module, after each terminal node receives the INVITE message, according to
Purpose GroupID therein judges whether to respond the message；
100Trying message is point-to-point confirmation, optional；
The purpose of 200OK message is that caller counts called subscriber in how many group and have received the message, i.e. how many user
Speech can be answered, it is optional；
ACK message is optional；
In business：It is not necessarily in PTT calls, it is also possible to PTT resting states, but now group exhales relation/event to be
In system or exist；
BYE takes out stitches for what group was exhaled.
Referring to Fig. 5, the shown PTT rights of speech seize flow, comprise the following steps：The UAC modules are to the caller list
The PS modules of member send extension sip message PTT-INVITE, and (the extension sip message PTT-INVITE is in a manner of broadcast or multicast
Send) after, the PS modules of the caller unit send the PTT- to the PS modules of the called unit of purpose terminal node
INVITE message；
100Trying is used to confirm, optional；
200OK is used to count, optional；
PTT releases are using extension sip message PTT-BYE, and to distinguish common BYE message, broadcast/group broadcast is sent；
PTT-BYE is only used for discharging current PTT callings, but now group is exhaled relation/event in systems or existed, only
It is that group is exhaled in a dormant state.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (5)
- A kind of 1. non-stop layer command dispatching and communication system, it is characterised in that：Including several terminal nodes (1), described terminal Node (1) includes PS modules (2), UAC modules (3) and UAS modules (4), the PS modules (2) by Session Initiation Protocol with it is described UAC modules (3) and the UAS modules (4) communicate, mutual by the PS modules (2) between several described terminal nodes (1) Communication, the state of the local terminal node (1) of PS modules (2) internal maintenance；The PS modules (2) and the UAC moulds Block (3) forms caller unit, and the PS modules (2) form called unit with the UAS modules (4)；In Node registry registering flow path, terminal node sends REGISTER every certain cycle to the PS modules of the terminal node Message, after the complete REGISTER message of PS resume modules of the terminal node, broadcast REGISTER message to the whole network so that complete Each terminal node of net both knows about the positional information of all other terminal node in network；Exhaled in point-to-point voice Cry in flow, after the UAC modules of caller unit send INVITE message to the PS modules of the caller unit, the PS of caller unit Module extracts called number UID, then according to certain algorithm, retrieves the quilt of purpose terminal node corresponding to the UID The address of the PS modules of unit is cried, and the PS modules of the called unit to the address send the INVITE message, it is described The INVITE message can be forwarded to the UAS modules of the called unit of purpose terminal node by the PS modules of called unit；Point To in multiple spot group call flow, after the UAC modules of caller unit send INVITE message to the PS modules of the caller unit, The PS modules of the caller unit send the INVITE message, institute to the PS modules of the called unit of purpose terminal node The INVITE message can be forwarded to the UAS modules of called unit of purpose terminal node by stating the PS modules of called unit； PTT rights of speech are seized in flow, and the UAC modules of caller unit send extension sip message PTT- to the PS modules of the caller unit After INVITE, the PS modules of the caller unit send the PTT- to the PS modules of the called unit of purpose terminal node INVITE message；In the sip terminal of the external standard of each terminal node, now PS modules will also complete the institute in this terminal node There is the addressing of external sip terminal.
- A kind of 2. call processing method of non-stop layer command dispatching and communication system, it is characterised in that：Register and flow including Node registry Journey, Point-to-point voice call flow, point-to-multipoint group call flow and PTT rights of speech seize flow；The Node registry registering flow path, comprises the following steps：PS of the terminal node every certain cycle to the terminal node Module sends REGISTER message, after the complete REGISTER message of PS resume modules of the terminal node, is broadcasted to the whole network REGISTER message so that each terminal node of the whole network both knows about the position of all other terminal node in network Information；The Point-to-point voice call flow, comprises the following steps：The UAC modules of caller unit are sent out to the PS modules of caller unit After sending INVITE message, the PS modules of the caller unit extract called number UID, then according to certain algorithm, retrieval Go out the address of the PS modules of the called unit of purpose terminal node corresponding to the UID, and the PS of the called unit to the address Module sends the INVITE message, and the INVITE message can be forwarded to purpose terminal section by the PS modules of the called unit The UAS modules of the called unit of point；The point-to-multipoint group call flow, comprises the following steps：PS of the UAC modules of caller unit to the caller unit After module sends INVITE message, the PS modules of the PS modules of the caller unit to the called unit of purpose terminal node The INVITE message is sent, the INVITE message can be forwarded to purpose terminal node by the PS modules of the called unit The UAS modules of called unit, after each terminal node receives the INVITE message, judged according to purpose GroupID therein Whether the message is responded；The PTT rights of speech seize flow, comprise the following steps：PS module of the UAC modules of caller unit to the caller unit After sending extension sip message PTT-INVITE, the called unit of the PS modules of the caller unit to purpose terminal node PS modules send the PTT-INVITE message.
- 3. the call processing method of non-stop layer command dispatching and communication system according to claim 2, it is characterised in that：It is described The cycle in Node registry registering flow path is 10 minutes.
- 4. the call processing method of non-stop layer command dispatching and communication system according to claim 2, it is characterised in that：It is described The INVITE message in point-to-multipoint group call flow is broadcast or multicast message.
- 5. the call processing method of non-stop layer command dispatching and communication system according to claim 2, it is characterised in that：It is described The extension sip message PTT-INVITE that PTT rights of speech are seized in flow is sent in a manner of broadcast or multicast.
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| TWI565290B (en) * | 2014-03-28 | 2017-01-01 | 鴻海精密工業股份有限公司 | Apparatus for communicating with network phone and the method thereby |
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| CN101146100B (en) * | 2007-09-19 | 2011-11-23 | 北京交通大学 | A realization method of SIP network phone based on transmission protocol SCTP and DCCP |
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| CN1090104A (en) * | 1993-10-30 | 1994-07-27 | 厦门大学 | Same frequency central station free selective calling device |
| CN101090509A (en) * | 2006-06-12 | 2007-12-19 | 展讯通信（上海）有限公司 | Terminal off-line direct calling method for digital centreless communication system |
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Application publication date: 20130501 Assignee: Nanjing Vico Communication Co. Ltd. Assignor: Hou Rongtao Contract record no.: 2018320000150 Denomination of invention: Acentric command and dispatch communication system and call processing method thereof Granted publication date: 20171201 License type: Exclusive License Record date: 20180905 |