CN102523572A - Call request information processing method and device - Google Patents
Call request information processing method and device Download PDFInfo
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- CN102523572A CN102523572A CN2011103758563A CN201110375856A CN102523572A CN 102523572 A CN102523572 A CN 102523572A CN 2011103758563 A CN2011103758563 A CN 2011103758563A CN 201110375856 A CN201110375856 A CN 201110375856A CN 102523572 A CN102523572 A CN 102523572A
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Abstract
The invention discloses a call request information processing method and a call request information processing device. The method comprises the steps that: after call request (ARQ) information is received, a first gatekeeper (GK) judges that the target number of the ARQ information is not registered on the first GK; address information corresponding to the prefix of the target number of the ARQ information is searched in a preset neighboring GK configuration table; and according to the searched address information, location request (LRQ) information corresponding to the ARQ information is transmitted to a second GK of a network segment corresponding to the target address. By adopting the method and the device, the cross-network-segment sharing of the GK registration information is realized, the terminals at different network segments can be managed by different GKs and the user experience of a conference television system is improved.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of processing method and device of call request message.
Background technology
Compare with traditional communication way; TV conference system be a kind ofly save money, save time, the conferencing of efficient aspect; Can increase work efficiency through TV conference system, the hardship that can avoid the personnel participating in the meeting to trudge again can also satisfy accident, the demand of communication and coordination in many ways handled.Along with the construction of numerous domestic large enterprises and company of transnational group, and people work, the increase of the flowability of study, and enterprise and individual are also more and more to the demand of video communication, also are increasing so TV conference system is moved towards the demand of operation.
TV conference system is moved towards after the operation, and (Gatekeeper is called for short GK) kept in the pass as the equipment that can charge and count flow, is equipment important in the TV conference system.Yet the GK disposal ability is limited, and the terminal between different segment will be managed by different GK, comes unified management so can not all terminals all be registered to a GK, need carry out sharing of different GK log-on messages.For sharing of log-on message between the GK in the same network segment, existing processing mode in the H323 standard, and sharing of the log-on message of GK do not propose effective solution as yet in the different segment.Thereby sharing of the intersegmental GK log-on message of inter-network just becomes a problem that must solve.
The problem of sharing to the intersegmental GK log-on message of inter-network in the correlation technique does not propose effective solution at present as yet.
Summary of the invention
The problem that does not propose effective solution at present as yet of sharing to the intersegmental GK log-on message of inter-network; The invention provides a kind of processing method and device of call request message; And the treatment system of a kind of multipoint control unit and call request message, to address the above problem at least.
According to an aspect of the present invention, a kind of processing method of call request message is provided, has comprised: after receiving call request ARQ message, first closes the destination Mobile Station International ISDN Number of keeping GK judgement call request ARQ message is not registered on the GK; In pre-configured neighborhood GK allocation list, search prefix number corresponding address information with the destination Mobile Station International ISDN Number of ARQ message; According to the said address information that finds, position requests LRQ message that will be corresponding with ARQ message is sent to the 2nd GK with the corresponding network segment of destination address.
Preferably; First closes the destination Mobile Station International ISDN Number of keeping GK judgement call request ARQ message is not registered on the GK; Comprise: a GK judges whether there be the record corresponding with the destination Mobile Station International ISDN Number of above-mentioned ARQ message in the local number of registration code table; If no, then the destination Mobile Station International ISDN Number of definite call request ARQ message is not registered on the GK.
Preferably, a GK is built in the multipoint control unit MCU; Receive call request message, comprising: the call request message that the administration module of the said multipoint control unit MCU at its place of GK reception sends.
Preferably, information recorded comprises in the neighborhood GK allocation list: the corresponding relation of the address information of prefix number and neighborhood GK; According to the address information that finds, position requests LRQ message that will be corresponding with ARQ message sends to the 2nd GK and comprises: according to the address information of the 2nd corresponding GK of that find and prefix number destination Mobile Station International ISDN Number, a GK is sent to the 2nd GK with LRQ message.
Preferably, also comprise in the corresponding relation: the corresponding relation of the address information of prefix number and RAS proxy module; In pre-configured neighborhood GK allocation list, search prefix number corresponding address information with the destination Mobile Station International ISDN Number of ARQ message; Comprise: a GK obtains the address information of the RAS proxy module corresponding with the prefix number of destination Mobile Station International ISDN Number, and the address information of said two GK corresponding with prefix number; The one GK is sent to the 2nd GK with LRQ message, comprising: a GK sends to the RAS proxy module with LRQ message, wherein, carries the address information of the 2nd GK that obtains in the LRQ message; The RAS proxy module parses the address information of the 2nd GK from receive LRQ message, LRQ message is sent to two GK corresponding with this address information.
Preferably, receive call request message, comprising: a GK receives the call request message of self terminal.
Preferably, information recorded comprises in the neighborhood GK allocation list: the corresponding relation of the address information of prefix number and RAS proxy module; According to the said address information that finds; Position requests LRQ message that will be corresponding with ARQ message sends to the 2nd GK; Comprise: according to the address information of the RAS proxy module corresponding with prefix number destination Mobile Station International ISDN Number that find, a GK is sent to the RAS proxy module with LRQ message; The RAS proxy module is given the 2nd GK with the LRQ forwards, and wherein, RAS proxy module and said the 2nd GK belong in the same MCU.
Preferably, after LRQ message was sent to the 2nd GK, said method also comprised: the 2nd GK searches destination Mobile Station International ISDN Number in local routing table, will the CS address corresponding with destination Mobile Station International ISDN Number be carried in the position response LCF message to return to the RAS proxy module; The RAS proxy module returns to a GK with the LCF message that receives.
According to another aspect of the present invention; A kind of processing unit of call request message is provided, has been positioned to close and keeps GK, having comprised: judge module; After being used to receive call request ARQ message, judge that the destination Mobile Station International ISDN Number of call request ARQ message is not registered on the GK; Search module, be used for searching the prefix number corresponding address information with the destination Mobile Station International ISDN Number of ARQ message at pre-configured neighborhood GK allocation list; Sending module is used for according to the address information that finds, and position requests LRQ message that will be corresponding with ARQ message is sent to the GK with the corresponding network segment of destination address.
According to another aspect of the present invention, a kind of multipoint control unit is provided, has comprised: administration module and GK, wherein, administration module is used for sending call request message to GK; GK comprises the processing unit of above-mentioned call request message.
Preferably; Above-mentioned multipoint control unit also comprises: the RAS proxy module; Wherein, GK is used for the address information according to the pre-configured GK allocation list RAS proxy module corresponding with the prefix of destination Mobile Station International ISDN Number call request message that write down, sends LRQ message to the RAS proxy module; Wherein, carry the address information of the neighborhood GK corresponding in the LRQ message with the prefix of destination Mobile Station International ISDN Number; The RAS proxy module is used for parsing from the LRQ message that receives the address information of neighborhood GK, and LRQ message is sent to neighborhood GK.
According in one aspect of the present invention, a kind of treatment system of call request message is provided, comprising: above-mentioned multipoint control unit.
Through the present invention; Through when the destination Mobile Station International ISDN Number of judging call request ARQ message is not registered on the GK; GK searches the prefix number corresponding address information with the destination Mobile Station International ISDN Number of this ARQ message in pre-configured neighborhood GK allocation list; The 2nd GK according to the address information that the finds network segment corresponding with destination address sends position requests LRQ message; Realize sharing of the intersegmental GK log-on message of inter-network, and then can realize that the terminal between different segment managed by different GK, improved the user experience of TV conference system.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the structured flowchart according to the multipoint control unit MCU of the embodiment of the invention
Fig. 2 is the structured flowchart according to the processing unit of the call request message of the embodiment of the invention;
Fig. 3 is the structured flowchart according to the preferred MCU of the embodiment of the invention;
Fig. 4 is the structural representation according to the treatment system of the call request message of the embodiment of the invention;
Fig. 5 is the flow chart according to the processing method of the call request message of the embodiment of the invention;
Fig. 6 is the flow chart according to the configuration neighborhood GK allocation list of the embodiment of the invention;
Fig. 7 is the structured flowchart according to the multipoint control unit of the embodiment of the invention 7;
Fig. 8 is a flow chart of handling the method for caller according to the MCU of the embodiment of the invention;
Fig. 9 is a flow chart of handling called method according to the MCU of the embodiment of the invention two.
Embodiment
Hereinafter will and combine embodiment to specify the present invention with reference to accompanying drawing.Need to prove that under the situation of not conflicting, embodiment and the characteristic among the embodiment among the application can make up each other.
According to the embodiment of the invention, a kind of multipoint control unit (MCU) is provided, as shown in Figure 1, this multipoint control unit comprises: administration module 10 is kept (GK) 20 with the pass.Wherein, administration module 10 is used for sending call request ARQ message to GK 20; GK 20, are used to handle the ARQ message that administration module 10 sends.
In embodiments of the present invention; Administration module 10 calling terminal numbers; Send ARQ message to GK 20; After GK 20 receives ARQ message, judge that the destination Mobile Station International ISDN Number of this call request ARQ message is not registered on the GK, the GK network segment of promptly confirming this destination Mobile Station International ISDN Number place is not in the network segment under GK 20; Search the prefix number corresponding address information with the destination Mobile Station International ISDN Number of above-mentioned ARQ message by GK 20, GK 20 can be sent to the GK of the network segment corresponding with destination address according to this address information position requests LRQ message that above-mentioned ARQ message is corresponding.
Pass through the embodiment of the invention; When confirming the destination Mobile Station International ISDN Number of ARQ message, GK is not registered in GK (for the ease of difference; The following GK that is referred to as) go up after, in pre-configured neighborhood GK allocation list, search the prefix number corresponding address information with the destination Mobile Station International ISDN Number of ARQ message, according to this address information to the GK of the network segment corresponding with destination address (for the ease of distinguishing; Following the 2nd GK that is referred to as) sends the position requests LRQ message corresponding with ARQ message; Realize sharing of the intersegmental GK log-on message of inter-network, and then can realize that the terminal between different segment managed by different GK, improved the user experience of TV conference system.
In a preferred implementation of the embodiment of the invention; As shown in Figure 3, this multipoint control unit can also comprise: RAS proxy module 30; Be used for parsing the address information of the 2nd GK, this LRQ message is sent to the 2nd GK from the LRQ message that the GK 20 that receives sends.In practical application; GK 20 is according to the address information of the RAS proxy module 30 corresponding with the prefix of destination Mobile Station International ISDN Number ARQ message that write down in the pre-configured GK allocation list; Send LRQ message to RAS proxy module 30, carry the address information of the neighborhood GK corresponding in this LRQ message, after RAS proxy module 30 receives LRQ message with the prefix of destination Mobile Station International ISDN Number; From LRQ message, parse the address information of the 2nd GK, LRQ message is sent to the 2nd GK.
According to the embodiment of the invention, a kind of processing unit of call request message also is provided, as shown in Figure 2, this device is positioned at GK 20, comprising: judge module 202, search module 204 and sending module 206.Wherein, judge module 202, be used to receive call request ARQ message after, judge that the destination Mobile Station International ISDN Number of this call request ARQ message is not registered on the GK; Search module 204, be coupled, be used for searching the prefix number corresponding address information with the destination Mobile Station International ISDN Number of above-mentioned ARQ message at pre-configured neighborhood GK allocation list with judge module 202; Sending module 206 is coupled with searching module 204, is used for according to the address information that finds, will the position requests LRQ message corresponding with above-mentioned ARQ message be sent to the 2nd GK with the corresponding network segment of destination address.
In embodiments of the present invention; After GK 20 receives call request ARQ message; In local routing configuration table, search the corresponding record of number with the destination address of this ARQ message; Judge module 202 judges that the destination Mobile Station International ISDN Number of this call request ARQ message is not registered on the GK, triggers to search module 204 and in pre-configured neighborhood GK allocation list, search the prefix number corresponding address information with the destination Mobile Station International ISDN Number of this ARQ message, searches after module 204 finds address information; Trigger sending module 206 according to the address information that finds, send the position requests LRQ message corresponding with above-mentioned ARQ message to the 2nd GK of the network segment corresponding with destination address.
In embodiments of the present invention; Judge module 202 judges that the destination Mobile Station International ISDN Number of call request ARQ message is not registered on the GK; Triggering is searched module 204 and in pre-configured neighborhood GK allocation list, is searched the prefix number corresponding address information with the destination Mobile Station International ISDN Number of this ARQ message, and sending module 206 is according to the 2nd GK transmission position requests LRQ message of the address information that the finds network segment corresponding with destination address.
Pass through the embodiment of the invention; GK can handle the ARQ message that the call intent address does not belong to the local GK network segment; Obtain the address information that the call intent address belongs to GK through searching neighborhood GK allocation list, LRQ message that will be corresponding with ARQ message according to this sends to the GK that the call intent address belongs to, and has realized sharing of the intersegmental GK log-on message of inter-network; And then can realize that the terminal between different segment managed by different GK, improved the user experience of TV conference system.
In practical application, GK 20 can be used as functional entity and independently exists, and also can be positioned at the multipoint control unit that the embodiment of the invention provides.Preferred implementation in view of the foregoing description; Multipoint control unit can comprise RAS proxy module 30, and in this case, sending module 206 can be according to the address information of the RAS proxy module 30 corresponding with the prefix of destination Mobile Station International ISDN Number ARQ message that write down in the pre-configured neighborhood GK allocation list; Send LRQ message to RAS proxy module 30; After RAS proxy module 30 receives LRQ message, from LRQ message, parse the address information of the 2nd GK, LRQ message is sent to the 2nd GK.Preferably, adopt at the GK network segment under the situation of private IP address (Pravite IPAddress), RAS proxy module 30 can also carry out the IP address resolution to the address information of the 2nd GK, according to the address information after resolving LRQ message is sent to the 2nd GK.
Fig. 4 is the structural representation according to the treatment system of the call request message of the embodiment of the invention, and is as shown in Figure 4, and this system comprises: multipoint control unit (as shown in Figures 2 and 3) 1, GK 2 and terminal 3.Wherein, multipoint control unit 1, the terminal 3 that is used for calling out video conference system; GK 2, comprise the processing unit of the call request message of the embodiment of the invention, are used for the call request of processing terminal 3; Terminal 3 is used to initiate video conference call.
According to multiple spot processing unit shown in Figure 2, administration module 10 makes a call, and sends ARQ message to GK 20; After GK 20 receives ARQ message; Judge module 202 judges whether there be the record corresponding with the destination Mobile Station International ISDN Number of said ARQ message in the local number of registration code table; If do not exist, then trigger and search module 204 and in pre-configured neighborhood GK allocation list, search the prefix number corresponding address information with the destination Mobile Station International ISDN Number of ARQ message; Sending module 206 sends the LRQ message corresponding with above-mentioned ARQ message according to this address information to the GK of the network segment corresponding with destination address, for example, sends above-mentioned LRQ message to GK 2; After GK 2 receives LRQ message, in the ground routing table, search destination Mobile Station International ISDN Number, CS address that will be corresponding with this destination Mobile Station International ISDN Number is carried in the position response LCF message and returns to the GK 20 in the multiple spot processing unit.
According to preferred multiple spot processing unit shown in Figure 3, this multiple spot processing unit can also comprise RAS proxy module 30.Search the corresponding relation of module 204 according to the address information of above-mentioned prefix number and RAS proxy module; After finding address information; Sending module 206 sends to said RAS proxy module 30 with LRQ message; Carry the address information of the 2nd GK that obtains in this LRQ message, RAS proxy module 30 parses the address information of GK 1 (the 2nd GK that this address information is corresponding) from receive LRQ message, said LRQ message is sent to GK 1.
In embodiments of the present invention, when the terminal 3 of the GK 1 place network segment makes a call, send ARQ message to GK 1; After GK 1 receives ARQ message, confirm the GK (for example, the GK 20 in the multipoint control unit shown in Figure 3) of the destination Mobile Station International ISDN Number place network segment; GK 1 sends LRQ message to GK 20 corresponding RAS proxy modules, for example, and RAS proxy module 30; After RAS proxy module 30 is received LRQ message, this LRQ message is sent to GK 20; The CS address that GK 20 is corresponding with destination Mobile Station International ISDN Number is put among the LCF, sends back to RAS proxy module 30; Send to ACF message by RAS proxy module 30 to terminal 3, calling is sent at terminal 3.
According to the embodiment of the invention, a kind of processing method of call request message also is provided, can in the treatment system of above-mentioned call request message, realize.
Fig. 5 is the flow chart according to the processing method of the call request message of the embodiment of the invention, and is as shown in Figure 5, and this method may further comprise the steps (step S502-step S506):
Step S502, receive call request ARQ message after, a GK judges that the destination Mobile Station International ISDN Number of this call request ARQ message is not registered on the GK;
In view of multipoint control unit provided by the invention, multipoint control unit can make a call through administration module 10, sends ARQ message to a GK (being GK 20).In a preferred implementation of the embodiment of the invention, receiving call request message can comprise: the call request ARQ message that the administration module 10 of the multipoint control unit at its place of GK reception sends.Through this preferred embodiment, multipoint control unit can initiatively make a call, the terminal of call-conference television system.
The GK of the above embodiment of the present invention can be used as logical functional entity and is arranged in multipoint control unit, also can be used as functional entity and independently exists.GK can be directly called in the terminal, sends ARQ message to GK.In a preferred implementation of the embodiment of the invention, a GK can receive the call request ARQ message of self terminal.
After receiving call request ARQ message; The one GK can confirm whether the destination Mobile Station International ISDN Number of this call request ARQ message is registered on the GK; If be not registered on the GK, then can in pre-configured neighborhood GK allocation list, search the prefix number corresponding address information of destination Mobile Station International ISDN Number.In a preferred implementation of the embodiment of the invention; First closes the destination Mobile Station International ISDN Number of keeping this call request of GK judgement ARQ message is not registered on the GK; Comprise: a GK judges whether there be the record corresponding with the destination Mobile Station International ISDN Number of this ARQ message in the local number registration table; If the destination address of no, then confirming this call request ARQ message is not under a GK in the network segment.Through this preferred implementation, a GK has confirmed that the destination Mobile Station International ISDN Number of call request ARQ message is not registered on the GK.
Step S504 searches the prefix number corresponding address information with the destination Mobile Station International ISDN Number of above-mentioned ARQ message in pre-configured neighborhood GK allocation list;
In practical application, the destination Mobile Station International ISDN Number in the call request ARQ message can have prefix number, and prefix number can be corresponding with the address information of neighborhood GK, preferably, and the corresponding neighborhood GK network segment of each prefix number.In a preferred implementation of the embodiment of the invention, information recorded can comprise in the neighborhood GK allocation list: the corresponding relation of the address information of prefix number and neighborhood GK.Through this preferred implementation, the corresponding relation of the address information that GK can be through prefix number and neighborhood GK finds the GK of the destination Mobile Station International ISDN Number place network segment.
In order to dispose neighborhood GK allocation list, can administration module on configured prefixion number and neighborhood GK address and port numbers, administration module can be selected corresponding RAS proxy module address and port numbers according to configuration information, the unified GK that issues of these configurations.As shown in Figure 6, layoutprocedure may further comprise the steps:
1, neighborhood GK address: 172.16.80.201:1719, RAS agent address: 127.0.0.1:5000, prefix number: 0755;
2, neighborhood GK address: 173.16.80.201:1719, RAS agent address: 127.0.0.1:5001, prefix number: 0898;
Step 2, administration module issues configuration to the RAS agency.Issue configuration for each RAS agency according to RAS agency's quantity.For example, under the situation that n the GK network segment arranged, corresponding n the RAS that have acts on behalf of, and at this time needs to give respectively n RAS agency issue configuration.
Step S506 according to the address information that finds, will the position requests LRQ message corresponding with above-mentioned ARQ message be sent to the 2nd GK with the corresponding network segment of destination address.
The one GK (being local GK) is according to the corresponding relation of the address information of the prefix number of destination Mobile Station International ISDN Number and neighborhood GK, find the address information of the destination Mobile Station International ISDN Number place network segment after, can LRQ message be sent to the 2nd GK (being the GK of the destination Mobile Station International ISDN Number place network segment).In a preferred implementation of the embodiment of the invention; According to the address information that finds; Will the position requests LRQ message corresponding with above-mentioned ARQ message sending to the 2nd GK comprises: according to the address information of the 2nd corresponding GK of that find and prefix number destination Mobile Station International ISDN Number, a GK is sent to the 2nd GK with LRQ message.Through the embodiment of the invention, realized sharing of GK registration message between different segment.
In view of the preferred multipoint control unit of the embodiment of the invention, this multipoint control unit can comprise RAS proxy module (being the RAS agency).Corresponding relation in the neighborhood GK allocation list also can comprise: the corresponding relation of the address information of prefix number and RAS proxy module.The one GK can be sent to the RAS proxy module with LRQ message earlier for LRQ message is sent to the 2nd GK, by the RAS proxy module LRQ is sent to the 2nd GK.In a preferred implementation of the embodiment of the invention; In pre-configured neighborhood GK allocation list, search prefix number corresponding address information with the destination Mobile Station International ISDN Number of ARQ message; Can comprise: a GK obtains the address information of the RAS proxy module corresponding with the prefix number of destination Mobile Station International ISDN Number, and the address information of two GK corresponding with prefix number.After searching completion, a GK is sent to the 2nd GK with LRQ message, can comprise: a GK sends to the RAS proxy module with LRQ message, carries the address information of the 2nd GK that obtains in this LRQ message; The RAS proxy module parses the address information of the 2nd GK from receive LRQ message, LRQ message is sent to two GK corresponding with this address information.
Above-mentioned preferred implementation according to the embodiment of the invention; The one GK can receive the call request ARQ message of self terminal; Directly call at the terminal under the situation of a GK, GK is according to the address information that finds, and position requests LRQ message that will be corresponding with ARQ message sends to the 2nd GK; Can comprise: according to the address information of the RAS proxy module corresponding with prefix number destination Mobile Station International ISDN Number that find, a GK is sent to above-mentioned RAS proxy module with LRQ message; The RAS proxy module is given the 2nd GK with the LRQ forwards, and wherein, RAS proxy module and the 2nd GK belong in the same MCU.
The GK of the prefix number correspondence of destination Mobile Station International ISDN Number can send LCF message to transmit leg GK after receiving LRQ message.In a preferred implementation of the embodiment of the invention; After LRQ message is sent to the 2nd GK; Can also comprise: the 2nd GK searches destination Mobile Station International ISDN Number in local routing table, will the CS address corresponding with destination Mobile Station International ISDN Number be carried in the position response LCF message to return to the RAS proxy module; The RAS proxy module returns to a GK with the LCF message that receives.
Pass through the embodiment of the invention; The destination Mobile Station International ISDN Number of judging this call request ARQ message is not registered on the GK; In pre-configured neighborhood GK allocation list, search prefix number corresponding address information then with the destination Mobile Station International ISDN Number of this ARQ message; The 2nd GK according to the address information that the finds network segment corresponding with destination address sends position requests LRQ message; Realize sharing of the intersegmental GK log-on message of inter-network, and then can realize that the terminal between different segment managed by different GK, improved the user experience of TV conference system.
Describe through specific embodiment below.
Embodiment one
Fig. 7 is the structured flowchart according to the multipoint control unit of the embodiment of the invention 7, and is as shown in Figure 7, and this multipoint control unit comprises: administration module, a n RAS proxy module and a GK.Wherein, the administration module function is following: be transported to the information of putting mainly for GK and RAS agency, and handle normal flow such as registration, calling; RAS proxy module function is following: be responsible for transmitting RAS message; The GK function is following: be responsible for functions such as endpoint registration, call manager and address resolution.
According to MCU shown in Figure 7, this MCU handles the method for caller, and as shown in Figure 8, this method comprises following step: (step S802-step S812):
Step S802: administration module sends RRQ to GK (Intranet) registration;
Step S804, the administration module calling number is 0755196 terminal, sends out ARQ to GK (Intranet);
Step S806; GK (Intranet) receives and at first looks into 0755196 in this locality after the ARQ, the words that do not find; Just look into neighborhood GK allocation list; Find that call number has prefix 0755, then the address 127.0.0.1:5000 to RAS agency (network segment 1) sends LRQ, and is put into neighborhood GK address: 172.16.80.201:1719 in the nonstandard field;
Step S808, RAS agency (network segment 1) receives after the LRQ that the nonstandard field of decoding solves neighborhood GK address, and being transmitted to this GK after this LRQ coding;
Step S810, GK (network segment 1) receive that LRQ searches number 0755196 in this locality, find, and the CS address corresponding this number is put among the LCF (LocationConfirm), send back to RAS agency (network segment 1);
Step S812, RAS agency (network segment 1) receives that LCF is transmitted to GK (Intranet), and GK (Intranet) returns ACF (AdmissionConfirm) to administration module, and administration module sends calling.
Embodiment two
Fig. 9 is a flow chart of handling called method according to the MCU of the embodiment of the invention two, and as shown in Figure 9, this method comprises following step (step S902-step S912):
Step S902, terminal (network segment 1) sends RRQ to GK (network segment 1) registration;
Step S904, terminal (network segment 1) call number is 0471155 meeting, sends ARQ to GK (network segment 1);
Step S906, GK (network segment 1) receive and at first look into 0471155 in this locality after the ARQ, do not find, and just look into neighborhood GK allocation list, find that call number has prefix 0471, then act on behalf of the address transmission LRQ of the network segment 1 of (network segment 1) to RAS;
Step S908, RAS agency (network segment 1) directly are transmitted to GK (Intranet) after receiving LRQ;
Step S910, GK (Intranet) receive that LRQ searches number 0471155 in this locality, find, and the CS address corresponding this number is put among the LCF, send back to RAS agency (network segment 1);
Step S912, RAS agency (network segment 1) receives that LCF is transmitted to GK (network segment 1), and GK (network segment 1) returns ACF for terminal (network segment 1), and terminal (network segment 1) sends calling.
From above description; Can find out; The present invention has realized following technique effect: through when the destination Mobile Station International ISDN Number of judging this call request ARQ message is not registered on the GK, GK searches the prefix number corresponding address information with the destination Mobile Station International ISDN Number of this ARQ message in pre-configured neighborhood GK allocation list, according to the 2nd GK transmission position requests LRQ message of the address information that the finds network segment corresponding with destination address; Realized sharing of the intersegmental GK log-on message of inter-network; And then can realize that the terminal between different segment managed by different GK, and satisfied the demand that the TV conference system capacity enlarges, improved the user experience of TV conference system.
Obviously, it is apparent to those skilled in the art that above-mentioned each module of the present invention or each step can realize with the general calculation device; They can concentrate on the single calculation element; Perhaps be distributed on the network that a plurality of calculation element forms, alternatively, they can be realized with the executable program code of calculation element; Thereby; Can they be stored in the storage device and carry out, and in some cases, can carry out step shown or that describe with the order that is different from here by calculation element; Perhaps they are made into each integrated circuit modules respectively, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The above is merely the preferred embodiments of the present invention, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (12)
1. the processing method of a call request message is characterized in that, comprising:
After receiving call request ARQ message, first pass is kept GK and is judged that the destination Mobile Station International ISDN Number of said call request ARQ message is not registered on the said GK;
In pre-configured neighborhood GK allocation list, search prefix number corresponding address information with the destination Mobile Station International ISDN Number of said ARQ message;
According to the said address information that finds, will the position requests LRQ message corresponding be sent to the 2nd GK with the corresponding network segment of destination address with said ARQ message.
2. method according to claim 1 is characterized in that, first pass is kept GK and judged that the destination Mobile Station International ISDN Number of said call request ARQ message is not registered on the said GK, comprising:
A said GK judges whether there be the record corresponding with the destination Mobile Station International ISDN Number of said ARQ message in the local number of registration code table, if do not have, confirms that then the destination Mobile Station International ISDN Number of said call request ARQ message is not registered on the said GK.
3. method according to claim 1 is characterized in that, a said GK is built in the multipoint control unit MCU; Receive call request message, comprising:
The said call request message that the administration module of the said multipoint control unit MCU at its place of said GK reception sends.
4. method according to claim 3 is characterized in that,
Information recorded comprises in the said neighborhood GK allocation list: the corresponding relation of the address information of prefix number and neighborhood GK;
According to the said address information that finds; Will the position requests LRQ message corresponding with said ARQ message sending to said the 2nd GK comprises: according to the address information of corresponding said the 2nd GK of that find and prefix number said destination Mobile Station International ISDN Number, a said GK is sent to said the 2nd GK with said LRQ message.
5. method according to claim 4 is characterized in that,
Also comprise in the said corresponding relation: the corresponding relation of the address information of prefix number and RAS proxy module;
In pre-configured neighborhood GK allocation list, search the prefix number corresponding address information with the destination Mobile Station International ISDN Number of said ARQ message, comprising:
A said GK obtains the address information of the RAS proxy module corresponding with the prefix number of said destination Mobile Station International ISDN Number, and the address information of said two GK corresponding with said prefix number;
A said GK is sent to said the 2nd GK with said LRQ message, comprising:
A said GK sends to said RAS proxy module with said LRQ message, wherein, carries the address information of said the 2nd GK that obtains in the said LRQ message;
Said RAS proxy module parses the address information of said the 2nd GK from receive said LRQ message, said LRQ message is sent to said two GK corresponding with this address information.
6. method according to claim 1 is characterized in that, receives call request message, comprising:
A said GK receives the said call request message of self terminal.
7. method according to claim 6 is characterized in that,
Information recorded comprises in the said neighborhood GK allocation list: the corresponding relation of the address information of prefix number and RAS proxy module;
According to the said address information that finds, the position requests LRQ message corresponding with said ARQ message is sent to said the 2nd GK, comprising:
According to the address information of the RAS proxy module corresponding with prefix number said destination Mobile Station International ISDN Number that find, a said GK is sent to said RAS proxy module with said LRQ message;
Said RAS proxy module is given said the 2nd GK with said LRQ forwards, and wherein, said RAS proxy module and said the 2nd GK belong in the same MCU.
8. according to claim 5 or 7 described methods, it is characterized in that after said LRQ message was sent to said the 2nd GK, said method also comprised:
Said the 2nd GK searches said destination Mobile Station International ISDN Number in local routing table, CS address that will be corresponding with said destination Mobile Station International ISDN Number is carried in the position response LCF message and returns to said RAS proxy module;
Said RAS proxy module returns to a said GK with the LCF message that receives.
9. the processing unit of a call request message is positioned to close and keeps GK, it is characterized in that, comprising:
Judge module, be used to receive call request ARQ message after, judge that the destination Mobile Station International ISDN Number of said call request ARQ message is not registered on the said GK;
Search module, be used for searching the prefix number corresponding address information with the destination Mobile Station International ISDN Number of said ARQ message at pre-configured neighborhood GK allocation list;
Sending module is used for according to the said address information that finds, will the position requests LRQ message corresponding with said ARQ message be sent to the GK with the corresponding network segment of destination address.
10. a multipoint control unit is characterized in that, comprising: administration module and GK, wherein,
Said administration module is used for sending call request message to said GK;
Said GK comprises the described device of claim 9.
11. multipoint control unit according to claim 10 is characterized in that, also comprises: the RAS proxy module,
Said GK; Be used for address information according to the pre-configured neighborhood GK allocation list RAS proxy module corresponding that write down with the prefix of destination Mobile Station International ISDN Number said call request message; Send LRQ message to said RAS proxy module; Wherein, carry the address information of the neighborhood GK corresponding in the said LRQ message with the prefix of said destination Mobile Station International ISDN Number;
Said RAS proxy module is used for parsing from the said LRQ message that receives the address information of said neighborhood GK, and said LRQ message is sent to said neighborhood GK.
12. the treatment system of a call request message is characterized in that, comprising:
The GK that comprises the described device of claim 9; And
Claim 10 or 11 described multipoint control units.
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