CN100370851C - VPN call and terminal registration method and distributed digital colony network - Google Patents
VPN call and terminal registration method and distributed digital colony network Download PDFInfo
- Publication number
- CN100370851C CN100370851C CNB2005101279056A CN200510127905A CN100370851C CN 100370851 C CN100370851 C CN 100370851C CN B2005101279056 A CNB2005101279056 A CN B2005101279056A CN 200510127905 A CN200510127905 A CN 200510127905A CN 100370851 C CN100370851 C CN 100370851C
- Authority
- CN
- China
- Prior art keywords
- switching center
- trunking switching
- user
- terminal
- trunking
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Mobile Radio Communication Systems (AREA)
Abstract
The present invention discloses a virtual private network VPN call realizing method and a distributed digital group network, wherein the method of the present invention comprises the steps: a user terminal carries a terminal ID number of a called party initiates a call to a local group switching center; the group switching center analyzes the terminal ID number of the called party and locally pages the called party according to an analytical result; or the call is routed to a group switching center of a roaming place of the called party for processing; or the call is routed to a designated group switching center of the called party for processing according to the terminal ID number. The distributed digital group network of the present invention comprises a plurality of group switching centers, wherein each group switching center comprises a number storage unit and a number analysis processing unit. The group switching center of the present invention adopt a distributed mode for storing and processing data, which enables each group switching center to independently judge VPN service and carry out route processing. Calling and roaming are simply realized when a VPN is established among regions, and the defect that VPN information and position information are arranged in centralization is overcome.
Description
Technical field
The present invention relates to the Digital Clustering technology, relate in particular to a kind of VPN(Virtual Private Network) calling implementation method and terminal registration method and corresponding a kind of distributed digital colony network in the digital colony network.
Background technology
Digital Clustering is that a kind of shared resource radio equipment and service, method of calling are the mobile communications network of PTT (Push To Talk).Digital Clustering provides than traditional analog intercom scheduling mode and more wide coverage more flexibly, can be applied in the multiple occasion of production scheduling, emergency command or the like.
Digital colony network is made up of radio access layer, exchange layer usually.As shown in Figure 1, wherein radio access layer is mainly finished functions such as the modulation of wireless signal and channel control, and the exchange layer is mainly finished the functions such as distribution of the continue control and the medium of calling.
Wherein the exchange layer includes clustering switch, also comprise the user/cluster server that carries out user/group data managing, be used for authentication to user's registration and calling, paging in the group call and right of speech control etc., usually user data and group data are stored on user/cluster server, provide access interface to clustering switch.For user/group data managing, VPN(Virtual Private Network) is an important characteristic during Digital Clustering is used, Virtual Private Network offers the such experience of user: all users in this VPN, can be as the private network that uses a special use, user in this net is carried out dispatching management, use cornet to call out or the like.
Existing cluster network be substantially use Group and List Management Server (Group List ManagementServer, GLMS)/code division multiple access (Code Division Multiple Addressing, CDMA) public mobile network's technology.
Prior art one: the signaling sign of concentrating groups of users server/home location register storage (HLR) storage user/group data and each clustering switch is set, and each common factor flock-mate is changed planes all to be connected to and is obtained data on this concentrated groups of users server/HLR, the clustering switch notice concentrated groups of users server/HLR to carry out Data Update when the terminal use roamed, and obtained new positional information when call out to next time.As shown in Figure 2, suppose that user terminal U1 belongs to exchange switch X1, user terminal U2 belongs to clustering switch X2, and user terminal U1 calls out the user terminal U2 below the clustering switch X2, and its Virtual Private Network call process is:
At first, clustering switch X1 is when receiving the originating call of user terminal U1, to concentrating groups of users server/HLR to obtain VPN information and the positional information of user terminal U1 and U2, carry out number analysis then, the complete number that obtains user terminal U2 with and affiliated clustering switch X2; Then, clustering switch X1 is routed to clustering switch X2 to call information; After clustering switch X2 receives call signaling, need equally to concentrating groups of users server/HLR obtain the VPN information of user terminal U1 and U2, and user terminal U2 initiation paging is connected, return results to clustering switch X1.
When user terminal U2 when clustering switch X2 roams into clustering switch X3, user terminal U2 initiates registration at clustering switch X3, clustering switch X3 is to concentrating groups of users server/HLR to obtain the information of user terminal U2, after the authentication judgement, send location update message to concentrating groups of users server/HLR; After concentrating groups of users server/HLR receiving position update request, at first notify the information of original clustering switch X2 deletion user terminal U2, the position of upgrading the user terminal U2 in the own database then is clustering switch X3, and return results.
The shortcoming of prior art one is as follows:
(1), to concentrate groups of users server/HLR be the processing bottleneck of whole network as public server, must have the high disposal ability and the network bandwidth.
(2), concentrate groups of users server/HLR to influence the reliability of whole network, in case it breaks down communication that will the whole network of influence.
(3), when setting up mininet, operator does not wish concentrated groups of users server/HLR that the additional investment price is high usually.
Prior art two: the intelligent equipment that on the cluster network basis, superposes, on intelligent network, realize the VPN attribute management.As shown in Figure 3, when user terminal was initiated Virtual Private Network call, clustering switch judged that it belongs to IN service, and handle at the affair control point (SCP) of being transferred to civilian work, and return complete called number, was cooperated by concentrated groups of users server/HLR and finished the follow-up flow process that continues.
The shortcoming of prior art two is as follows:
(1), this scheme need increase intelligent equipment, operator's investment is very big.
(2), to concentrate groups of users server/HLR and SCP be the processing bottleneck of whole network equally, must have the high disposal ability and the network bandwidth.
(3), concentrate groups of users server/HLR to influence the reliability of whole network equally, in case it breaks down communication that will the whole network of influence.
For an enterprise VPN of crossing over a plurality of regions (its user terminal belongs to a plurality of different Trunking Switching Center), there is not good straightforward procedure that unified cross-region vpn solution is provided at present.
Summary of the invention
The invention provides a kind of VPN call implementation method,, be subject to the performance of concentrated groups of users server/HLR and the problem of poor reliability in order to solve in the prior art when a Virtual Private Network is striden a plurality of Trunking Switching Center.
The present invention provides a kind of relevant user terminals register method in addition and realizes the distributed digital colony network of the inventive method.
The inventive method is applied to digital colony network, distribute the unique Trunking Switching Center identification number of the whole network for each Trunking Switching Center, other Trunking Switching Center distributes in the storage networking in each Trunking Switching Center Trunking Switching Center identification number and appropriate address information; For each VPN that sets up distributes the unique VPN identification number of the whole network; This method comprises:
A1, user terminal carry called terminal recognition number and make a call to the place Trunking Switching Center, comprise in the described terminal recognition number: the VPN identification number of user attaching VPN; The Trunking Switching Center identification number of user attaching Trunking Switching Center; And the user is at the unique identification number of ownership Trunking Switching Center;
B1, described Trunking Switching Center are analyzed called terminal recognition number, and be called in local paging according to analysis result; Or route the call to called roaming place Trunking Switching Center and handle; Or the Trunking Switching Center that routes the call to the called ownership that indicates in the described terminal recognition number is handled.
According to said method of the present invention, among the described step B1, before described Trunking Switching Center is analyzed called terminal recognition number, also comprise the steps:
B01, described Trunking Switching Center are judged called terminal recognition number length, if only comprise the unique identification number of called subscriber at its ownership Trunking Switching Center in the called terminal recognition number, then carry out B02; If only comprise Trunking Switching Center identification number and called unique identification number, then the execution in step B03 of called ownership in the called number at its ownership Trunking Switching Center;
B02, described Trunking Switching Center construct complete terminal called identification number before the VPN identification number in the calling terminal identification number and Trunking Switching Center identification number are joined the terminal called identification code of reception;
B03, described Trunking Switching Center are constructed complete terminal called identification number before the VPN identification number in the calling terminal identification number is joined the terminal called identification code of reception.
According to said method of the present invention,, carry out the following step when user terminal during at its ownership Trunking Switching Center start-up logging:
A2, user terminal carry the terminal recognition number of self and initiate register requirement to the ownership Trunking Switching Center;
B2, described ownership Trunking Switching Center carry out authentication to user terminal; If authentication is passed through, allow user's registration, and in local registration database, increase the registration of this user terminal.
Failed authentication when if the user registers, the ownership Trunking Switching Center judges whether this user's terminal recognition number changes; If this user's terminal recognition changed number then sends terminal recognition number updating message to user terminal, the terminal recognition number after notifying changed;
The terminal recognition number was initiated register requirement again after described user terminal carried and changes.
According to said method of the present invention,, carry out the following step when user terminal during at roaming place Trunking Switching Center start-up logging:
A3, user terminal carry the terminal recognition number of self and initiate register requirement to the roaming place Trunking Switching Center;
B3, described roaming place Trunking Switching Center send the Trunking Switching Center of this registered user's ownership that registration message indicates in the described terminal recognition number;
The Trunking Switching Center of C3, described registered user ownership carries out authentication to user terminal; And return authentication result information to user roaming place Trunking Switching Center;
D3, described roaming place Trunking Switching Center allow or the refusing user's endpoint registration according to the authentication result information of returning.
If the following step is then carried out in the register requirement authentication success after the Trunking Switching Center of user attaching is roamed the user:
The Trunking Switching Center identification number information of the Trunking Switching Center of A4, user attaching roaming place, the current place of recording user terminal in local registration database; And return the authentication success message to the roaming place Trunking Switching Center;
B4, described roaming place Trunking Switching Center allow the user terminal registration, and increase the registration of this user terminal in local registration database.
According to said method of the present invention, described step B1 comprises:
B11, described Trunking Switching Center are according to the terminal called identification number that carries in the request, and whether judge called is the home subscriber of this Trunking Switching Center, if called be the home subscriber of this Trunking Switching Center, execution in step B12 then; Otherwise, execution in step B13;
B12, Trunking Switching Center are inquired about local registration database; If the user is roaming not, and is then called in local paging; If the user roams, then according to the user roaming place Trunking Switching Center identification number information that writes down in the local registration database, the Trunking Switching Center paging that routes the call to the roaming place is called;
B13, Trunking Switching Center are inquired about local registration database, judge whether called be the registered user who roams into this Trunking Switching Center; If it is called for roaming into the registered user of this Trunking Switching Center, then called in local paging; Otherwise the Trunking Switching Center that routes the call to the called ownership that indicates in the described terminal recognition number is handled.
According to said method of the present invention, the described Trunking Switching Center that routes the call to the called ownership that indicates in the described terminal recognition number is handled, and comprising: called ownership Trunking Switching Center is inquired about local registration database; If the user is roaming not, and is then called in local paging; If the user roams, then according to the user roaming place Trunking Switching Center identification number information that writes down in the local registration database, the Trunking Switching Center paging that routes the call to the roaming place is called.
Terminal registration method provided by the invention, be applied to digital colony network, distribute the unique Trunking Switching Center identification number of the whole network for each Trunking Switching Center, other Trunking Switching Center distributes in the storage networking in each Trunking Switching Center Trunking Switching Center identification number and appropriate address information; For each VPN that sets up distributes the unique VPN identification number of the whole network; This method comprises:
User terminal carries the terminal recognition number of self and initiates register requirement to the place Trunking Switching Center;
Comprise in the described terminal recognition number: the VPN identification number of user attaching VPN; The Trunking Switching Center identification number of user attaching Trunking Switching Center; And the user is at the unique identification number of ownership Trunking Switching Center.
According to said method of the present invention,, carry out the following step when user terminal during at its ownership Trunking Switching Center start-up logging:
A5, user terminal carry the terminal recognition number of self and initiate register requirement to the ownership Trunking Switching Center;
B5, described ownership Trunking Switching Center carry out authentication to user terminal; If authentication is passed through, allow user's registration, and in local registration database, increase the registration of this user terminal.
Failed authentication when if the user registers, the ownership Trunking Switching Center judges whether this user's terminal recognition number changes; If this user's terminal recognition changed number then sends terminal recognition number updating message to user terminal, the terminal recognition number after notifying changed;
The terminal recognition number was initiated register requirement again after described user terminal carried and changes.
According to said method of the present invention,, carry out the following step when user terminal during at roaming place Trunking Switching Center start-up logging:
A6, user terminal carry the terminal recognition number of self and initiate register requirement to the roaming place Trunking Switching Center;
B6, described roaming place Trunking Switching Center send the Trunking Switching Center of this registered user's ownership that registration message indicates in the described terminal recognition number;
The Trunking Switching Center of C6, described registered user ownership carries out authentication to user terminal; And return authentication result information to user roaming place Trunking Switching Center;
D6, described roaming place Trunking Switching Center allow or the refusing user's endpoint registration according to the authentication result information of returning.
If the following step is then carried out in the register requirement authentication success after the Trunking Switching Center of user attaching is roamed the user:
The Trunking Switching Center identification number information of the Trunking Switching Center of A7, user attaching roaming place, the current place of recording user terminal in local registration database; And return the authentication success message to the roaming place Trunking Switching Center;
B7, described roaming place Trunking Switching Center allow the user terminal registration, and increase the registration of this user terminal in local registration database.
Distributed digital colony network provided by the invention comprises a plurality of Trunking Switching Center, distributes the unique Trunking Switching Center identification number of the whole network for each Trunking Switching Center, for each VPN that sets up distributes the unique VPN identification number of the whole network; Each Trunking Switching Center comprises:
Number storage unit: the Trunking Switching Center identification number and the address information of storing other Trunking Switching Center correspondence in the described network;
Number analysis processing unit: analyze the terminal called identification number that carries in the call request, determine the affiliated Trunking Switching Center of terminal called; Comprise in the described terminal recognition number: the VPN identification number of user attaching VPN; The Trunking Switching Center identification number of user attaching Trunking Switching Center; And the user is at the unique identification number of ownership Trunking Switching Center.
According to above-mentioned distributed digital colony network of the present invention, also include one or more exchange gateways and be connected with described Trunking Switching Center;
The identification information that storage is attached thereto other exchange gateway that connects in each exchange gateway and address information and the Trunking Switching Center identification number and the address information that are connected.
Beneficial effect of the present invention is as follows:
(1) the present invention is by unifying numbering to VPN, distribute unique VPN identification number for each VPN, and in the terminal recognition number, comprise the VPN identification number, and each switching center stores the VPN identification number and the local user data of the VPN correspondence of foundation respectively, makes that each switching center can independent judgment VPN attribute and handle accordingly and charge; Solved VPN and striden the problem that local office distributes, guaranteed the identification number consistency of VPN in a plurality of regions.
(2) the present invention is by unifying numbering to Trunking Switching Center, distribute unique Trunking Switching Center identification number for each Trunking Switching Center, and in the terminal recognition number, comprise the identification number of Trunking Switching Center under the user, and distinguish the Trunking Switching Center identification number of other Trunking Switching Center correspondence in the storage networking and the corresponding relation of positional information in each Trunking Switching Center, can carry out number analysis and signalling route fast; Solved the user mobility problem in the distributed network.
(3) because the present invention takes distributed type colony switching center independent process strategy, concentrate the interface load of obtaining VPN and attaching information not exist in the prior art, therefore, the present invention has solved the handling property bottleneck problem of concentrating groups of users server/HLR in the prior art by using distributed storage and processing mode.
(4) the present invention is by distributed type colony switching center storage and processing, after breaking down, a Trunking Switching Center can not have influence on other nodes yet, therefore, the present invention has also avoided influencing owing to large tracts of land after concentrating groups of users server/HLR to break down in the prior art situation of network service.
(5) because the present invention does not need concentrated groups of users server/HLR of the prior art, the investment when this will significantly reduce networking, especially obviously for small-scale networking timeliness benefit.
Description of drawings
Fig. 1 is a prior art digital colony network structural representation;
Fig. 2 is prior art one a Virtual Private Network call implementation schematic diagram;
Fig. 3 is prior art two Virtual Private Network call implementation schematic diagrames;
Fig. 4 is for adopting one of the inventive method user register flow path figure;
Fig. 5 is for adopting two of the inventive method user register flow path figure;
Fig. 6 is the embodiment of the invention one a Virtual Private Network call implementation schematic diagram;
Fig. 7 is the embodiment of the invention two Virtual Private Network call implementation schematic diagrames;
Fig. 8 is the embodiment of the invention three Virtual Private Network call implementation schematic diagrames;
Fig. 9 is a distributed digital colony network connection diagram of the present invention.
Embodiment
Virtual Private Network call implementation method provided by the invention is applied to digital colony network.The inventive method comprises:
User terminal carries called terminal recognition number and makes a call to the place Trunking Switching Center;
Described Trunking Switching Center routes the call to the Trunking Switching Center of the called ownership that indicates in the described terminal recognition number;
The Trunking Switching Center paging of described called ownership is called; Or the Trunking Switching Center paging that routes the call to called roaming place is called.
The present invention is in digital colony network, for each Trunking Switching Center distributes unique Trunking Switching Center identification number, and in each Trunking Switching Center, store the Trunking Switching Center identification number and the address information of other Trunking Switching Center correspondence in the digital colony network; And the unique VPN identification number of each VPN distribution for setting up.
The present invention comprises in the terminal recognition number: the VPN identification number of user attaching VPN for each user terminal distributes unique terminal recognition number; The Trunking Switching Center identification number of user attaching Trunking Switching Center; And the user is at the unique identification number of ownership Trunking Switching Center.
The inventive method is applicable to other operations such as cornet dialing or call group in the VPN.When cornet dialled in the user adopts VPN, Trunking Switching Center need carry out following processing to the terminal recognition number of called user terminal:
Trunking Switching Center is judged called terminal recognition number length, if only comprise the unique identification number of called subscriber in the called terminal recognition number at its ownership Trunking Switching Center, do not comprise the VPN identification number of the affiliated VPN of called user terminal and the Trunking Switching Center identification number of affiliated Trunking Switching Center, then before the terminal called identification code that Trunking Switching Center joins reception with the VPN identification number and the Trunking Switching Center identification number of calling terminal identification number, construct complete terminal called identification number.
If only comprise the Trunking Switching Center identification number and the called unique identification number of called ownership in the called number at its ownership Trunking Switching Center, the VPN identification number that does not comprise the affiliated VPN of called user terminal, before then Trunking Switching Center joins the terminal called identification code of reception with the VPN identification number of calling terminal identification number, construct complete terminal called identification number.
When adopting the inventive method, the register flow path of user terminal comprises:
One, user terminal is initiated registration at the Trunking Switching Center of ownership; Its register flow path comprises the steps: as shown in Figure 4
S11, user terminal carry the terminal recognition number of self and initiate register requirement to the ownership Trunking Switching Center;
S12, ownership Trunking Switching Center carry out authentication to user terminal;
S13, if authentication pass through execution in step S14; Otherwise, continue step S15;
S14, permission user register, and increase the registration of this user terminal in local registration database;
S15, ownership Trunking Switching Center judge whether this user's terminal recognition number changes; If this user's terminal recognition number does not change, execution in step S16; If this user's terminal recognition changed number, execution in step S17;
S16, do not allow the registration of this user terminal, finish register flow path;
Terminal recognition number notifying after S17, ownership Trunking Switching Center will change is given this user terminal;
The terminal recognition number was initiated register requirement again after S18, user terminal carried and change, and returned step S12.
Two, user terminal is initiated registration at the Trunking Switching Center of roaming place; Its register flow path comprises the steps: as shown in Figure 5
S21, user terminal carry the terminal recognition number of self and initiate register requirement to the roaming place Trunking Switching Center;
S22, roaming place Trunking Switching Center send the Trunking Switching Center of this registered user's ownership that registration message indicates in the described terminal recognition number;
The Trunking Switching Center of S23, this registered user's ownership carries out authentication to user terminal;
S24, if authentication is not passed through, continue step S25; If authentication is passed through execution in step S27;
The Trunking Switching Center of S25, user attaching returns the failed authentication object information to user roaming place Trunking Switching Center;
S26, roaming place Trunking Switching Center do not allow this user terminal registration, finish register flow path;
The Trunking Switching Center identification number information of the Trunking Switching Center of S27, user attaching roaming place, the current place of recording user terminal in local registration database; And return the authentication success message to the roaming place Trunking Switching Center;
S28, roaming place Trunking Switching Center allow the user terminal registration, and increase the registration of this user terminal in local registration database.
Below in conjunction with specific embodiment user terminal registration back is realized that the method for Virtual Private Network call is described in detail.
Embodiment one: terminal called is at the Trunking Switching Center of its ownership.
Suppose some C1 of enterprise, general headquarters and office are distributed in the area at Trunking Switching Center X1 and X2 place respectively, and there is 1 user terminal U1 in this enterprise under Trunking Switching Center X1, and a user terminal U2 is arranged under Trunking Switching Center X2.Need set up a VPN who crosses over Trunking Switching Center X1 and X2 now, contact and scheduling between convenient two areas, this VPN is labeled as V1.
Referring to Fig. 6, to suppose to form a cluster switching network by two Trunking Switching Center X1 and X2, the identification number of these two Trunking Switching Center is labeled as " 01 " and " 02 " respectively.The identification code of in store Trunking Switching Center X2 " 02 " and its corresponding IP address (or other signalling points) among the Trunking Switching Center X1; The identification code of in store Trunking Switching Center X1 " 01 " and its corresponding IP address (or other signalling points) among the Trunking Switching Center X2.
Set up the VPN of the C1 of enterprise in Trunking Switching Center X1 and X2 respectively, giving the unique VPN identification number of VPN distribution of the C1 of this enterprise is " 223 ".
In Trunking Switching Center X1, create user terminal U1, according to said method of the present invention, distributing the cluster user identification code for this user terminal U1 is " 223 01 PPP ", wherein " 223 " are the identification number of VPN V1, " 01 " is the identification number of the X1 of switching center, and " PPP " is user terminal U1 unique number in its ownership Trunking Switching Center X1.
Equally, in Trunking Switching Center X2, create user terminal U2, according to said method of the present invention, distributing the cluster user identification code for this user terminal U2 is " 223 02 QQQ ", wherein " 223 " are the identification number of VPNV1, " 02 " is the identification number of the X2 of switching center, and " QQQ " is user terminal U2 unique number in its ownership Trunking Switching Center X2.(the present invention does not limit the numbering length of above-mentioned VPN, Trunking Switching Center and user terminal, only is for example at this).
When user terminal U1 caller party terminal U2, in message related to calls, carry the terminal recognition number " 223 02 001 " of terminal called U2;
After Trunking Switching Center X1 receives message related to calls, carry out authentication and number analysis, find that caller U1 and called U2 belong to same VPN V1 (numbering " 223 "), can enter call flows in the VPN this moment, also mark can be set in the charge information;
When Trunking Switching Center X1 analyzes number, judge that called U2 is the home subscriber that belongs to Trunking Switching Center X2, and do not have the registration of terminal called U2 in the local data base that routing call this moment information is to Trunking Switching Center X2;
Trunking Switching Center X2 carries out number analysis equally, and inquiring about local registration database, to determine terminal called U2 registered in this locality; Turn back to X1 then at local calling user terminal U2, and with the paging result;
If successfully continue, whole initialization flow process finishes, and enters session status.
Embodiment two: terminal called roams into other Trunking Switching Center.
Still the situation with embodiment one is an example, suppose some C1 of enterprise, general headquarters and office are distributed in the area at Trunking Switching Center X1 and X2 place respectively, and there is 1 user terminal U1 in this enterprise under Trunking Switching Center X1, and a user terminal U2 is arranged under Trunking Switching Center X2.Set up a VPN who crosses over Trunking Switching Center X1 and X2, giving the unique VPN identification number of VPN distribution of the C1 of this enterprise is " 223 ".
Referring to Fig. 7, to suppose to form a cluster switching network by three Trunking Switching Center X1, X2 and X3, the identification number of these three Trunking Switching Center is labeled as " 01 ", " 02 " and " 03 " respectively.The identification code " 02 " of in store Trunking Switching Center X2 and X3 and " 03 " and corresponding IP address (or other signalling points) thereof among the Trunking Switching Center X1; The identification code " 01 " of in store Trunking Switching Center X1 and X3 and " 03 " and corresponding IP address (or other signalling points) thereof among the Trunking Switching Center X2; The identification code " 01 " of in store Trunking Switching Center X1 and X2 and " 02 " and corresponding IP address (or other signalling points) thereof among the Trunking Switching Center X3.
Under Trunking Switching Center X1, the cluster user identification code that user terminal U1 distributes is " 223 01001 ", and under Trunking Switching Center X2, the cluster user identification code that user terminal U2 distributes is " 223 02001 ".
When user terminal U1 caller party terminal U2, in message related to calls, carry the terminal recognition number " 223 02 001 " of terminal called U2; At this moment, user terminal U2 overflows under another Trunking Switching Center X3, and successfully registration in Trunking Switching Center X3;
After Trunking Switching Center X1 receives message related to calls, carry out authentication and number analysis, find that caller U1 and called U2 belong to same VPN V1 (numbering " 223 "), can enter call flows in the VPN this moment, also mark can be set in the charge information;
When Trunking Switching Center X1 analyzes number, judge that called U2 is the home subscriber that belongs to Trunking Switching Center X2, and do not have the registration of terminal called U2 in the local registration database that routing call this moment information is to Trunking Switching Center X2;
Trunking Switching Center X2 carries out number analysis equally, and inquires about local registration database, knows that from local data base terminal called U2 has roamed into another collection and has been the X3 of switching center; Further routing call information is to Trunking Switching Center X3, collection makes the X3 of switching center carry out number analysis equally, and inquires about local registration database, and it is registered in this locality to inquire terminal called U2, turn back to Trunking Switching Center X1 then at local paging terminal called U2, and with the paging result;
If successfully continue, whole initialization flow process finishes, and enters session status.
Embodiment three: terminal called roams into the Trunking Switching Center identical with calling terminal.
Still the situation with embodiment one is an example, suppose some C1 of enterprise, general headquarters and office are distributed in the area at Trunking Switching Center X1 and X2 place respectively, and there is 1 user terminal U1 in this enterprise under Trunking Switching Center X1, and a user terminal U2 is arranged under Trunking Switching Center X2.Set up a VPN who crosses over Trunking Switching Center X1 and X2, giving the unique VPN identification number of VPN distribution of the C1 of this enterprise is " 223 ".
Referring to Fig. 8, to suppose to form a cluster switching network by two Trunking Switching Center X1 and X2, the identification number of these two Trunking Switching Center is labeled as " 01 " and " 02 " respectively.The identification code of in store Trunking Switching Center X2 " 02 " and its corresponding IP address (or other signalling points) among the Trunking Switching Center X1; The identification code of in store Trunking Switching Center X1 " 01 " and its corresponding IP address (or other signalling points) among the Trunking Switching Center X2.
Under Trunking Switching Center X1, the cluster user identification code that user terminal U1 distributes is " 223 01001 ", and under Trunking Switching Center X2, the cluster user identification code that user terminal U2 distributes is " 223 02001 ".
When user terminal U1 caller party terminal U2, in message related to calls, carry the terminal recognition number " 223 02 001 " of terminal called U2; At this moment, user terminal U2 has overflow under the affiliated Trunking Switching Center X1 of calling terminal, and successfully registration in Trunking Switching Center X1;
After Trunking Switching Center X1 receives message related to calls, carry out authentication and number analysis, find that caller U1 and called U2 belong to same VPN V1 (numbering " 223 "), can enter call flows in the VPN this moment, also mark can be set in the charge information;
When Trunking Switching Center X1 analyzes number, judge that called U2 is the home subscriber that belongs to Trunking Switching Center X2, further inquire about local registration database, know that this terminal called U2 has roamed into local registration, this moment is at local paging terminal called U2;
If successfully continue, whole initialization flow process finishes, and enters session status.
In above embodiment, do not relate to the exchange gateway in the digital colony network.If also be connected by exchange gateway between the Trunking Switching Center, said method of the present invention is suitable equally.
As shown in Figure 9, be a kind of distributed digital colony network connection diagram of the present invention.Among Fig. 9, a part of Trunking Switching Center is connected with exchange gateway G1, and another part Trunking Switching Center is connected with exchange gateway G2; Exchange gateway G1 is connected with exchange gateway G2.
When implementing the inventive method, with Trunking Switching Center that same exchange gateway is connected in, storage is connected Trunking Switching Center identification code and its corresponding IP address (or other signalling points) of other Trunking Switching Center correspondence under the identical exchange gateway, the identification code of the exchange gateway that storage simultaneously is connected.
In Fig. 9, Trunking Switching Center X1 is connected with exchange gateway G1 with Trunking Switching Center X2, then the identification code " 01 " of the identification code " 02 " of saveset group switching center X2 and exchange gateway G1 in Trunking Switching Center X1; In like manner, the identification code " 01 " of the identification code " 03 " of saveset group switching center X1 and exchange gateway G1 in Trunking Switching Center X2.
Trunking Switching Center X3 is connected with exchange gateway G2 with Trunking Switching Center X4, then the identification code " 05 " of the identification code " 07 " of saveset group switching center X4 and exchange gateway G2 in Trunking Switching Center X3; In like manner, the identification code " 05 " of the identification code " 06 " of saveset group switching center X3 and exchange gateway G2 in Trunking Switching Center X4.
In exchange gateway, storage is the Trunking Switching Center identification number of direct-connected Trunking Switching Center and the identification code of the exchange gateway correspondence that is connected with it.
In Fig. 9, in exchange gateway G1, Trunking Switching Center X1 that storage directly links to each other with it and identification number " 03 " and " 02 " of X2, and the identification code " 05 " of the exchange gateway G2 that is connected.In exchange gateway G2, Trunking Switching Center X3 that storage directly links to each other with it and identification number " 06 " and " 07 " of X4, and the identification code " 01 " of the exchange gateway G1 that is connected.
In order to implement said method provided by the invention, in each Trunking Switching Center, can comprise a number storage unit, be used for Trunking Switching Center identification number and address information according to above-mentioned other Trunking Switching Center correspondence of rale store network; Can also comprise a number analysis processing unit, be used for analyzing the terminal called identification number that call request is carried, and route the call to the Trunking Switching Center of the called ownership that indicates in the terminal recognition number.
In sum, the present invention is by distributing unique VPN identification number to each VPN, distribute unique Trunking Switching Center identification number for each Trunking Switching Center, and in the terminal recognition number, comprise VPN identification number, affiliated Trunking Switching Center identification number and this terminal unique identification number at affiliated Trunking Switching Center; In the call request message of user terminal, carry its corresponding terminal recognition number; The Trunking Switching Center identification number of other Trunking Switching Center correspondence and the corresponding relation of positional information in each Trunking Switching Center difference storage networking, when Trunking Switching Center is received the call request of user terminal, can carry out number analysis and signalling route fast; Not only solved and concentrated the handling property bottleneck problem of groups of users server/HLR in the prior art, and solved the user mobility problem in the distributed network.Because the present invention carries out storage and processing by distributed type colony switching center, after breaking down, a Trunking Switching Center can not have influence on other nodes yet, therefore, the present invention has also avoided influencing owing to large tracts of land after concentrating groups of users server/HLR to break down in the prior art situation of network service.The digital colony network that adopts the present invention to realize is owing to saved concentrated groups of users server/HLR, the investment in the time of therefore can also reducing networking.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (15)
1. virtual private network calling implementation method, be applied to digital colony network, it is characterized in that, distribute the unique Trunking Switching Center identification number of the whole network for each Trunking Switching Center, other Trunking Switching Center distributes in the storage networking in each Trunking Switching Center Trunking Switching Center identification number and appropriate address information; For each VPN that sets up distributes the unique VPN identification number of the whole network; This method comprises:
A1, user terminal carry called terminal recognition number and make a call to the place Trunking Switching Center, comprise in the described terminal recognition number: the VPN identification number of user attaching VPN; The Trunking Switching Center identification number of user attaching Trunking Switching Center; And the user is at the unique identification number of ownership Trunking Switching Center;
B1, described Trunking Switching Center are analyzed called terminal recognition number, and be called in local paging according to analysis result; Or
Routing the call to called roaming place Trunking Switching Center handles; Or
The Trunking Switching Center that routes the call to the called ownership that indicates in the described terminal recognition number is handled.
2. the method for claim 1 is characterized in that, among the described step B1, before described Trunking Switching Center is analyzed called terminal recognition number, also comprises the steps:
B01, described Trunking Switching Center are judged called terminal recognition number length, if only comprise the unique identification number of called subscriber at its ownership Trunking Switching Center in the called terminal recognition number, then carry out B02; If only comprise Trunking Switching Center identification number and called unique identification number, then the execution in step B03 of called ownership in the called number at its ownership Trunking Switching Center;
B02, described Trunking Switching Center construct complete terminal called identification number before the VPN identification number in the calling terminal identification number and Trunking Switching Center identification number are joined the terminal called identification code of reception;
B03, described Trunking Switching Center are constructed complete terminal called identification number before the VPN identification number in the calling terminal identification number is joined the terminal called identification code of reception.
3. the method for claim 1 is characterized in that, when user terminal during at its ownership Trunking Switching Center start-up logging, carries out the following step:
A2, user terminal carry the terminal recognition number of self and initiate register requirement to the ownership Trunking Switching Center;
B2, described ownership Trunking Switching Center carry out authentication to user terminal; If authentication is passed through, allow user's registration, and in local registration database, increase the registration of this user terminal.
4. method as claimed in claim 3 is characterized in that, failed authentication when registering as if the user, and the ownership Trunking Switching Center judges whether this user's terminal recognition number changes; If this user's terminal recognition changed number then sends terminal recognition number updating message to user terminal, the terminal recognition number after notifying changed;
The terminal recognition number was initiated register requirement again after described user terminal carried and changes.
5. the method for claim 1 is characterized in that, when user terminal during at roaming place Trunking Switching Center start-up logging, carries out the following step:
A3, user terminal carry the terminal recognition number of self and initiate register requirement to the roaming place Trunking Switching Center;
B3, described roaming place Trunking Switching Center send the Trunking Switching Center of this registered user's ownership that registration message indicates in the described terminal recognition number;
The Trunking Switching Center of C3, described registered user ownership carries out authentication to user terminal; And return authentication result information to user roaming place Trunking Switching Center;
D3, described roaming place Trunking Switching Center allow or the refusing user's endpoint registration according to the authentication result information of returning.
6. method as claimed in claim 5 is characterized in that, if the following step is then carried out in the register requirement authentication success after the Trunking Switching Center of user attaching is roamed the user:
The Trunking Switching Center identification number information of the Trunking Switching Center of A4, user attaching roaming place, the current place of recording user terminal in local registration database; And return the authentication success message to the roaming place Trunking Switching Center;
B4, described roaming place Trunking Switching Center allow the user terminal registration, and increase the registration of this user terminal in local registration database.
7. as claim 3 or 6 described methods, it is characterized in that described step B1 comprises:
B11, described Trunking Switching Center are according to the terminal called identification number that carries in the request, and whether judge called is the home subscriber of this Trunking Switching Center, if called be the home subscriber of this Trunking Switching Center, execution in step B12 then; Otherwise, execution in step B13;
B12, Trunking Switching Center are inquired about local registration database; If the user is roaming not, and is then called in local paging; If the user roams, then according to the user roaming place Trunking Switching Center identification number information that writes down in the local registration database, the Trunking Switching Center paging that routes the call to the roaming place is called;
B13, Trunking Switching Center are inquired about local registration database, judge whether called be the registered user who roams into this Trunking Switching Center; If it is called for roaming into the registered user of this Trunking Switching Center, then called in local paging; Otherwise the Trunking Switching Center that routes the call to the called ownership that indicates in the described terminal recognition number is handled.
8. method as claimed in claim 7 is characterized in that, the described Trunking Switching Center that routes the call to the called ownership that indicates in the described terminal recognition number is handled, and comprising: called ownership Trunking Switching Center is inquired about local registration database; If the user is roaming not, and is then called in local paging; If the user roams, then according to the user roaming place Trunking Switching Center identification number information that writes down in the local registration database, the Trunking Switching Center paging that routes the call to the roaming place is called.
9. terminal registration method, be applied to digital colony network, it is characterized in that, distribute the unique Trunking Switching Center identification number of the whole network for each Trunking Switching Center, other Trunking Switching Center distributes in the storage networking in each Trunking Switching Center Trunking Switching Center identification number and appropriate address information; For each VPN that sets up distributes the unique VPN identification number of the whole network; This method comprises:
User terminal carries the terminal recognition number of self and initiates register requirement to the place Trunking Switching Center;
Comprise in the described terminal recognition number: the VPN identification number of user attaching VPN; The Trunking Switching Center identification number of user attaching Trunking Switching Center; And the user is at the unique identification number of ownership Trunking Switching Center.
10. method as claimed in claim 9 is characterized in that, when user terminal during at its ownership Trunking Switching Center start-up logging, carries out the following step:
A5, user terminal carry the terminal recognition number of self and initiate register requirement to the ownership Trunking Switching Center;
B5, described ownership Trunking Switching Center carry out authentication to user terminal; If authentication is passed through, allow user's registration, and in local registration database, increase the registration of this user terminal.
11. method as claimed in claim 10 is characterized in that, failed authentication when registering as if the user, and the ownership Trunking Switching Center judges whether this user's terminal recognition number changes; If this user's terminal recognition changed number then sends terminal recognition number updating message to user terminal, the terminal recognition number after notifying changed;
The terminal recognition number was initiated register requirement again after described user terminal carried and changes.
12. method as claimed in claim 11 is characterized in that, when user terminal during at roaming place Trunking Switching Center start-up logging, carries out the following step:
A6, user terminal carry the terminal recognition number of self and initiate register requirement to the roaming place Trunking Switching Center;
B6, described roaming place Trunking Switching Center send the Trunking Switching Center of this registered user's ownership that registration message indicates in the described terminal recognition number;
The Trunking Switching Center of C6, described registered user ownership carries out authentication to user terminal; And return authentication result information to user roaming place Trunking Switching Center;
D6, described roaming place Trunking Switching Center allow or the refusing user's endpoint registration according to the authentication result information of returning.
13. method as claimed in claim 12 is characterized in that, if the following step is then carried out in the register requirement authentication success after the Trunking Switching Center of user attaching is roamed the user:
The Trunking Switching Center identification number information of the Trunking Switching Center of A7, user attaching roaming place, the current place of recording user terminal in local registration database; And return the authentication success message to the roaming place Trunking Switching Center;
B7, described roaming place Trunking Switching Center allow the user terminal registration, and increase the registration of this user terminal in local registration database.
14. a distributed digital colony network comprises a plurality of Trunking Switching Center, it is characterized in that, distributes the unique Trunking Switching Center identification number of the whole network for each Trunking Switching Center, for each VPN that sets up distributes the unique VPN identification number of the whole network; Each Trunking Switching Center comprises:
Number storage unit: the Trunking Switching Center identification number and the address information of storing other Trunking Switching Center correspondence in the described network;
Number analysis processing unit: analyze the terminal called identification number that carries in the call request, determine the affiliated Trunking Switching Center of terminal called; Comprise in the described terminal recognition number: the VPN identification number of user attaching VPN; The Trunking Switching Center identification number of user attaching Trunking Switching Center; And the user is at the unique identification number of ownership Trunking Switching Center.
15. distributed digital colony network as claimed in claim 14 is characterized in that, also includes one or more exchange gateways and is connected with described Trunking Switching Center;
The identification information that storage is attached thereto other exchange gateway that connects in each exchange gateway and address information and the Trunking Switching Center identification number and the address information that are connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005101279056A CN100370851C (en) | 2005-12-07 | 2005-12-07 | VPN call and terminal registration method and distributed digital colony network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005101279056A CN100370851C (en) | 2005-12-07 | 2005-12-07 | VPN call and terminal registration method and distributed digital colony network |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1845620A CN1845620A (en) | 2006-10-11 |
| CN100370851C true CN100370851C (en) | 2008-02-20 |
Family
ID=37064527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005101279056A Expired - Fee Related CN100370851C (en) | 2005-12-07 | 2005-12-07 | VPN call and terminal registration method and distributed digital colony network |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100370851C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101056424A (en) * | 2007-03-09 | 2007-10-17 | 华为技术有限公司 | A method, device and system for processing the information carried in the number in the communication network |
| CN102088682B (en) * | 2011-01-24 | 2014-12-10 | 中兴通讯股份有限公司 | Method and system for implementing group intelligent services |
| CN102932749B (en) * | 2011-08-10 | 2016-05-11 | 北京信威通信技术股份有限公司 | A kind of switch-spanning implementation method of group calling |
| CN108834082B (en) * | 2018-08-22 | 2022-04-05 | 平安科技（深圳）有限公司 | Cross-cluster calling method and device, computer equipment and storage medium |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1133541A (en) * | 1994-10-17 | 1996-10-16 | 美国电报电话公司 | Distribution control method and system in wireless honeycomb and personal communication system |
| CN1496042A (en) * | 2002-08-15 | 2004-05-12 | ���˹���Ѷ��� | CDMA wireless communication cluster system and method for implementing group calling service |
| CN1568034A (en) * | 2003-07-07 | 2005-01-19 | 深圳市中兴通讯股份有限公司 | Mobile communication system apparatus and method for implementing cluster service |
-
2005
- 2005-12-07 CN CNB2005101279056A patent/CN100370851C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1133541A (en) * | 1994-10-17 | 1996-10-16 | 美国电报电话公司 | Distribution control method and system in wireless honeycomb and personal communication system |
| CN1496042A (en) * | 2002-08-15 | 2004-05-12 | ���˹���Ѷ��� | CDMA wireless communication cluster system and method for implementing group calling service |
| CN1568034A (en) * | 2003-07-07 | 2005-01-19 | 深圳市中兴通讯股份有限公司 | Mobile communication system apparatus and method for implementing cluster service |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1845620A (en) | 2006-10-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102057638B (en) | System and method to control wireless communications | |
| CN100515140C (en) | Inter-site call routing and roaming support | |
| CN100496137C (en) | Device, system and method for realizing inter-switching of circuit domain and packet domain | |
| CN105636006A (en) | 2G/3G core network interworking method and system in condition that terminal roams to 4G special network | |
| US20040067735A1 (en) | Selection of an appropriate network resource node in a cellular telecommunication system | |
| EP1180905B1 (en) | Method for providing roaming service among private mobile switching centers | |
| CN101822080A (en) | Technique for providing support for plurality of mobility management protocols | |
| WO1995006396A1 (en) | Arrangement and method for location registration | |
| US8208918B2 (en) | System and method for accomplishing mobile management of fixed network switching node | |
| US6233465B1 (en) | Method and system for central office access to multiple access controllers for wireless extension | |
| US6850762B1 (en) | Procedure and system for setting up a telecommunication connection | |
| CN100370851C (en) | VPN call and terminal registration method and distributed digital colony network | |
| JPH0851668A (en) | Authenticating hierarchical structure of switching node for storing authentication information | |
| CN1238112A (en) | Using number portability database to solve call tromboning | |
| CN101867866B (en) | Multi-intelligent service nested triggering method and system | |
| EP1251710A1 (en) | Method and apparatus for migrating subscribers between networks | |
| CN100531268C (en) | System and method for outgoing using user telephone number | |
| WO2005094088A1 (en) | A home location register system of supportting multi of network type user | |
| JPH08289019A (en) | Method of telecommunication connection and its device | |
| EP1496718B1 (en) | Method and system for virtual roaming and communication in cellular system | |
| CN101150743B (en) | A realization method for wide domain group in next generation network | |
| CN100488299C (en) | A method for implementing virtual mobile switching center | |
| US7787608B2 (en) | Communications network system for implementing mixed services and method thereof | |
| JPH036931A (en) | Mobile communication tracing connection control system | |
| US9247477B2 (en) | Call routing for a multi-mode terminal being in a multi-mode communications system |
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 | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080220 Termination date: 20131207 |