CN100551128C - Realize the method and system of international nomadism call - Google Patents
Realize the method and system of international nomadism call Download PDFInfo
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- CN100551128C CN100551128C CNB2006101596737A CN200610159673A CN100551128C CN 100551128 C CN100551128 C CN 100551128C CN B2006101596737 A CNB2006101596737 A CN B2006101596737A CN 200610159673 A CN200610159673 A CN 200610159673A CN 100551128 C CN100551128 C CN 100551128C
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Abstract
The invention discloses a kind of method that realizes international nomadism call, comprise: portable terminal has carried out international roaming, when portable terminal makes a call, the international roaming service that the MSC of visit state obtains this portable terminal inserts sign, inserts the ownership state network that sign routes the call to portable terminal according to this international roaming service; The present invention discloses a kind of system that realizes international nomadism call, comprising: the MSC of portable terminal, visit state and ownership state network; The invention also discloses a kind of MSC that realizes international nomadism call.The present invention has realized when the MSC of visit state has the WIN ability, the successful call when mobile terminal roaming is visited state to this; And, continue owing to call out the home network that is routed to portable terminal, realized the calling control of home network to portable terminal, avoided the loss of operator; Simultaneously, by being that different operator or the different international roaming services of SCP configuration inserts sign, realized different charging policy.
Description
Technical field
The present invention relates to the mobile intelligent net technical field, be specifically related to when international roaming, realize the method and system and the mobile switching centre of international nomadism call.
Background technology
Along with internationalization level is more and more higher, portable terminal often need roam into another world from a country, and this just needs operator that borderless communication traffic is provided.
At present, after portable terminal roams into visit state from ownership state and makes a call, if the mobile switching centre/Service Switching Point (MSC/SSP) of this visit state does not have wireless intelligent network (WIN) ability, the MSC/SSP that then visits state can not carry out Signalling exchange with the Service Control Point of ownership state, and direct replay call, that is: portable terminal can be initiated any calling in this visit state.At this moment, because the SCP of ownership state can't control this calling, bring loss therefore may for the operator of ownership state, for example: operator can't carry out real time billing to this calling, if the mobile phone users overdraw then may bring economic loss to operator.
After portable terminal roams into visit state from ownership state, if the MSC/SSP of this visit state has the WIN ability, then at portable terminal when attaching position register (HLR) carries out location registers, HLR can be issued to the trigger of this portable terminal on the MSC/SSP of ownership state, but, because two countries operator all lacks the cooperation of the signaling addressing address of WIN side usually, the MSC/SSP of visit state can't carry out the mutual of signaling such as authentication with the SCP of ownership state, cause portable terminal can't make a call at all.
Summary of the invention
The invention provides a kind of method and system of realizing international nomadism call, the MSC/SSP that is implemented in visit state is when having the WIN ability, the successful call of portable terminal when ownership state roams into visit state;
The present invention also provides a kind of location registering method and realizes the HLR of international roaming location registers, inserts the distribution of sign to realize the international roaming service to the portable terminal that carried out international roaming;
In addition, the invention provides a kind of MSC that realizes international nomadism call, to realize calling route to the portable terminal that carries out international roaming service.
Technical scheme of the present invention is achieved in that
A kind of method that realizes international nomadism call comprises:
Portable terminal makes a call to the MSC of visit state, and after the MSC of visit state received this calling, the international roaming service of obtaining this portable terminal inserted sign, and inserts the ownership state network that sign routes the call to portable terminal according to this international roaming service.
Described portable terminal further comprised before the MSC of visit state makes a call:
Mobile terminal roaming is to visit state, MSC by visit state initiates position register request to the HLR of portable terminal, HLR inserts the MSC that sign sends to visit state with the international roaming service of portable terminal, the corresponding relation that the MSC preservation mobile terminal identification of visit state and international roaming service insert sign;
The international roaming service that the MSC of described visit state obtains this portable terminal inserts sign and comprises: the MSC of visit state inserts in the corresponding relation of sign in mobile terminal identification of self preserving and international roaming service, and the international roaming service of obtaining this portable terminal inserts and identifies.
The international roaming service that the MSC of described visit state obtains this portable terminal inserts after the sign, routes the call to before the ownership state network of portable terminal, further comprise: the called identification during the MSC of visit state will call out replaces with international roaming service and inserts sign, routes the call to the ownership state network of portable terminal then.
The ownership state network that the described MSC that visits state routes the call to portable terminal further comprises afterwards: the called identification field that the ownership state network measuring of portable terminal is carried to this calling is that international roaming service inserts sign, then point out mobile phone users input called identification, and after the called identification of receiving the mobile phone users input replay call.
The described MSC that visits state further comprises after receiving and calling out: the calling identification in the MSC preservation calling of visit state and the corresponding relation of called identification;
The international roaming service that the MSC of described visit state obtains this portable terminal inserts after the sign, routes the call to before the ownership state network of portable terminal, further comprises: the called identification during the MSC of visit state will call out replaces with international roaming service and inserts and identify.
The ownership state network that the described MSC that visits state routes the call to portable terminal further comprises afterwards: the called identification field that the ownership state network measuring of portable terminal is carried to this calling is that international roaming service inserts sign, then the MSC to visit state sends the request called identification message of carrying calling identification, after the MSC of visit state receives this message, the calling identification that carries according to this message finds corresponding called identification, this called identification is sent to the ownership state network of portable terminal, network based this called identification replay call of the ownership state of portable terminal.
The international roaming service that the MSC of described visit state obtains this portable terminal inserts after the sign, routes the call to before the ownership state network of portable terminal, further comprises: the MSC of visit state inserts sign with international roaming service and is carried at called identification field in the calling.
The ownership state network that the described MSC that visits state routes the call to portable terminal further comprises afterwards: the called identification field that the ownership state network measuring of portable terminal is carried to this calling is that called identification and international roaming service insert sign, according to this called identification replay call.
The MSC of described visit state inserts the ownership state network that sign routes the call to portable terminal according to this international roaming service and comprises: the MSC of visit state inserts the corresponding relation of sign and the routing iinformation of international long-distance gateway exchange according to the international roaming service of self preserving, with the international long-distance gateway exchange of this call forward to portable terminal ownership state, after the international long-distance gateway exchange is received this calling, mobile terminal identification according to this calling is carried sends the origination request of carrying international roaming service access sign to the SCP of portable terminal ownership.
Described international long-distance gateway exchange further comprises after the SCP of portable terminal ownership sends origination request: after SCP receives this origination request, detect this request and carry international roaming service access sign, notice international long-distance gateway exchange replay call after obtaining called identification.
Described SCP obtains after the called identification, before the notice international long-distance gateway exchange replay call, further comprise: SCP judges whether calling mobile terminal has authority to carry out international roaming, if having, notifies international long-distance gateway exchange replay call; Otherwise notice international long-distance gateway exchange cuts off to be called out.
Further comprise after the described SCP notice international long-distance gateway exchange replay call: SCP receives the called party answer message that the international long-distance gateway exchange is sent, and begins real time billing is carried out in this calling.
Described SCP begins this calling is further comprised after chargeing: SCP detects the account balance of portable terminal and uses up, and cuts off and calls out.
Further comprise after the described SCP notice international long-distance gateway exchange replay call: SCP receives the on-hook message that the international long-distance gateway exchange is sent, and this calling is deducted fees.
Described method further comprises: HLR is that different operator or SCP is provided with different international roaming service access signs in advance;
Described HLR inserts the MSC that sign sends to visit state with the international roaming service of portable terminal: HLR is according to the operator or the SCP of portable terminal ownership, select an international roaming service to insert sign, this international roaming service is inserted the MSC that sign sends to visit state;
The ownership state network that the described MSC that visits state routes the call to portable terminal comprises: the MSC of visit state is with the SCP of this call forward to the portable terminal ownership, SCP inserts sign according to the international roaming service of carrying in calling out, and the international roaming service that self sets in advance and preserve inserts the corresponding relation of sign and charge information, find corresponding charge information, this calling is chargeed according to this charge information.
Described international roaming service inserts sign and comprises: the national code of the international long-distance prefix of portable terminal ownership state, portable terminal ownership state and the international long-distance access code of portable terminal ownership state.
A kind of location registering method comprises:
HLR is that portable terminal is provided with international roaming service access sign, after receiving the position register request that the MSC of portable terminal by visit state sends, the international roaming service of this portable terminal is inserted the MSC that sign sends to visit state, the corresponding relation that the MSC preservation mobile terminal identification of visit state and international roaming service insert sign.
Described method further comprises: HLR is that different operator or SCP distributes different international roaming services to insert sign;
Described HLR inserts the MSC that sign sends to visit state with the international roaming service of portable terminal: HLR is according to the operator of portable terminal ownership or the SCP of ownership, select an international roaming service to insert sign, this international roaming service is inserted the MSC that sign sends to visit state.
Described portable terminal is the portable terminal of code division multiple access (CDMA) network;
Described HLR inserts the MSC that sign sends to visit state with the international roaming service of portable terminal and comprises: HLR supports the information of international roaming service to be carried in the indication of starting of user attribute parameter of location registers response message portable terminal, international roaming service is inserted the MSC that sends to visit state in the special number that sign is carried at the location registers response message.
Described portable terminal is the portable terminal of global mobile communication (GSM) network;
Described HLR inserts the MSC that sign sends to visit state with the international roaming service of portable terminal and comprises: HLR supports the information of international roaming service to be carried in the Supplementary Service Code of location registers response message portable terminal, the international roaming service of portable terminal is inserted the MSC that sends to visit state in the Redirection Information that sign is carried at the location registers response message.
A kind of system that realizes international nomadism call, described system comprises: the MSC of portable terminal, visit state, ownership state network, wherein:
Portable terminal is used for when having carried out international roaming, makes a call to the MSC of visit state;
The MSC of visit state is used for the calling that mobile terminal receive is sent, and the international roaming service of obtaining portable terminal inserts sign, routes the call to the ownership state network of portable terminal;
Ownership state network is used for control is called out in the calling that the MSC that visits state sends.
Described ownership state network is further used for, and real time billing control is carried out in calling.
Described system further comprises: HLR, be used for the position register request sent of MSC according to visit state, and the international roaming service of portable terminal is inserted the MSC that sign sends to visit state;
Described portable terminal is further used for, and sends position register request by the MSC that visits state to HLR;
The described MSC that visits state is further used for, and the position register request that portable terminal is sent sends to HLR, and the international roaming service of the portable terminal that preservation HLR sends inserts sign.
Described ownership state network comprises: international long-distance gateway exchange and ownership SCP, wherein:
The international long-distance gateway exchange is used for sending origination request to the ownership SCP of portable terminal after the calling that the MSC that receives visit state sends;
Ownership SCP is used to receive the origination request that the international long-distance gateway exchange is sent, and control is called out in this calling.
Described international long-distance gateway exchange is further used for: receive the ownership SCP send require the calling mobile terminal user to import the indication of called identification after, to calling mobile terminal user prompt input called identification, the called identification that the calling mobile terminal user is imported sends to ownership SCP;
Described ownership SCP is further used for, receive the origination request that the international long-distance gateway exchange sends after, send the indication that requires the calling mobile terminal user to import called identification to the international long-distance gateway exchange, receive the called identification that the international long-distance gateway exchange is sent.
The described MSC that visits state is further used for, the calling identification that carries in the calling that the preservation calling mobile terminal is sent and the corresponding relation of called identification, and after receiving the request called identification message that the international long-distance gateway exchange is sent, the called identification of the calling identification correspondence in this message is sent to the international long-distance gateway exchange;
Described international long-distance gateway exchange is further used for, and after receiving the request called identification message that ownership SCP sends, gives the MSC that visits state with this forwards, and the called identification that the MSC that visits state is sent sends to ownership SCP;
Described ownership SCP is further used for, receive the origination request that the international long-distance gateway exchange sends after, send request called identification message to the international long-distance gateway exchange, receive the called identification that the international long-distance gateway exchange is sent.
A kind of MSC that realizes international nomadism call comprises: international roaming service inserts identification request module and international nomadism call routing module, wherein:
International roaming service inserts the identification request module, be used for to roam into the HLR that position register request that local portable terminal sends sends to portable terminal, the international roaming service of the portable terminal that preservation HLR sends inserts sign, the request international roaming service of sending according to the international nomadism call routing module inserts identification message, the international roaming service of portable terminal is inserted sign send to the international nomadism call routing module;
The international nomadism call routing module, be used for the calling that mobile terminal receive is sent, insert sign according to mobile terminal identification to the international roaming service that international roaming service inserts this portable terminal of identification request module request, in calling, carry international roaming service and insert the international roaming service access sign that the identification request module is returned, route the call to the home network of portable terminal.
A kind of HLR that realizes the international roaming location registers comprises: international roaming service inserts the sign distribution module and international roaming service inserts the sign sending module, wherein:
International roaming service inserts the sign distribution module, be used to each portable terminal of self to distribute international roaming service to insert sign, insert the request international roaming service that the sign sending module sends according to international roaming service and insert identification message, the international roaming service of portable terminal is inserted sign send to international roaming service and insert the sign sending module;
International roaming service inserts the sign sending module, be used for mobile terminal identification according to the position register request sent of MSC of visit state, the international roaming service that inserts this portable terminal of sign distribution module request to international roaming service inserts sign, and the international roaming service of asking is inserted the MSC that sign sends to visit state.
Compared with prior art, the present invention is by when portable terminal has carried out international roaming, when putting registration to the HLR carry, HLR inserts the MSC that sign sends to visit state with the international roaming service of portable terminal, after this when portable terminal to the MSC of visit state when making a call, called identification during the MSC of visit state will call out replaces with international roaming service and inserts sign, and route the call to the home network of portable terminal, realized when the MSC of visit state has the WIN ability successful call when mobile terminal roaming is visited state to this; And, continue owing to call out the home network that is routed to portable terminal, realized the calling control of home network to portable terminal, avoided the loss of operator; Simultaneously, by being that different operator or the different international roaming services of SCP configuration inserts sign, realized different charge strategy at different operators or SCP.
Description of drawings
Fig. 1 is the flow chart of calling out when portable terminal carries out international roaming provided by the invention;
The flow chart of calling out when the portable terminal of the cdma network that Fig. 2 provides for the embodiment of the invention one carries out international roaming;
The flow chart of calling out when the portable terminal of the cdma network that Fig. 3 provides for the embodiment of the invention two carries out international roaming;
The flow chart of calling out when the portable terminal of the cdma network that Fig. 4 provides for the embodiment of the invention three carries out international roaming;
Fig. 5 is system's composition diagram of calling out when portable terminal carries out international roaming provided by the invention;
The structural representation of the HLR of the realization international roaming location registers that Fig. 6 provides for the embodiment of the invention;
The structural representation of the MSC of the realization international nomadism call that Fig. 7 provides for the embodiment of the invention.
Embodiment
The present invention is further described in more detail below in conjunction with drawings and the specific embodiments.
Fig. 1 is the flow chart of calling out when portable terminal carries out international roaming provided by the invention, and as shown in Figure 1, its concrete steps are as follows:
Step 101: travelling carriage (MS) roams into visit state from ownership state, initiates position register request message by the MSC that visits state to HLR.
Carry the routing iinformation of HLR in the position register request message of the MSC of MS initiation visit state.
After step 102:HLR receives this position register request message, support the information of international roaming service and the international roaming service of MS to insert the MSC that sign is handed down to visit state MS by the location registers response message, the MSC record MS sign of visit state supports the international roaming service of international roaming service information, support to insert the corresponding relation of sign with MS.
International roaming service inserts and is designated: the national number+international long-distance of the international long-distance prefix+ownership state of ownership state inserts sign.HLR can be all MS identical international roaming service access sign is set, also can be according to the difference of operator or SCP, be different operators or the different international roaming service access sign of SCP configuration, after HLR receives position register request, according to the corresponding relation of the MS sign of self preserving with home-operator sign or SCP sign, determine the operator or the SCP of caller MS ownership, determine that then the international roaming service of MS inserts sign.
Step 103:MS makes a call, after the MSC of visit state receives this calling, find corresponding international roaming service according to the caller MS sign of carrying in this calling and insert sign, this international roaming service is inserted sign be carried in the calling, and insert the international long-distance gateway exchange that sign routes the call to the MS ownership according to this international roaming service.
The international roaming service of preserving the MSC of visit state inserts the corresponding relation of sign and the routing iinformation of the international long-distance gateway exchange of MS.
The MSC of visit state can insert the called identification that identifies in the called field of replacing message related to calls with international roaming service; Also can insert sign replacement called identification with international roaming service after, preserve the corresponding relation of calling identification and called identification again, so that the SCP of follow-up caller ownership inquires about called identification when replay call; If called field long enough, also international roaming service can be inserted sign and add in the called field, can add to before the called identification, also can add to after the called identification, in subsequent process, the SCP of caller ownership can be directly according to the called identification replay call like this.
After the international long-distance gateway exchange of the ownership state of step 104:MS is received this calling,, route the call to the SCP of caller MS ownership according to the caller MS sign of carrying in this calling.
The international long-distance gateway exchange of ownership state is preserved the corresponding relation that MS identifies the routing iinformation of the SCP that belongs to MS.
Step 105: after the SCP of caller MS ownership receives calling, authentication and real time billing control are carried out in calling.
If being different operator or SCP, HLR disposed different international roaming service access signs, then SCP can set in advance and the corresponding relation of depositary state internet roaming service access sign and charge information, inserts sign and described corresponding relation carries out real time billing to calling according to the international roaming service in calling out.
The flow process that the SCP of the described caller ownership of the step 105 among the present invention carries out authentication and real time billing control to calling is same as the prior art.
Location registration when as can be seen, step 101 and 102 has been carried out international roaming for MS.
Below be example with the portable terminal of cdma network, for the present invention is elaborated.
Fig. 2 is the flow chart that the portable terminal of code division multiple access (CDMA) network that provides of the embodiment of the invention is called out when carrying out international roaming, and as shown in Figure 2, its concrete steps are as follows:
Step 201:MS roams into visit state from ownership state, sends position register request message by the MSC that visits state to HLR.
After step 202:HLR receives this position register request message, MSC to visit state sends the location registers response message, the indication (OI that starts in user property in this response message (Profile) parameter, Origination Indicator)=8, MS supports international roaming service with expression, the value of the special number in this response message (RD, Restriction Digits) parameter is the international roaming service access code of MS.
Step 203:MS makes a call, after the MSC of visit state receives this calling, the caller MS number that carries according to this calling, convert the called number in calling out the international roaming service access code of this MS to, the international long-distance gateway exchange that routes the call to the MS ownership according to this international roaming service access code promptly: SSP.
After step 204:SSP receives this calling, the called number field that detects this calling is the international roaming service access code, trigger trafficwise according to overlay network and trigger call number section (Calling_Num_Seg) trigger, send origination request (ORREQ) or analyze (ANLYZE) message to the SCP of MS ownership, wherein, origination request or travelling carriage number (MDN) field of analyzing in the message are caller MS number, and called number (Dialed Digits) field is the international roaming service access code of MS.
After step 205:SCP received initial request or analyzes message, the called number that carries according to this message analyzed the user and has triggered international long-distance roaming (ILDR) business, and SCP sends application resource (SEIZERES) message to SSP.
After step 206:SSP received this application message related to resources, the distributing IP resource assigned, and returned application resource response (seizeres) message to SCP.
After step 207:SCP receives this application resource response message, send connection resource (CONNRES) message to SSP.
After step 208:SSP receives this connection resource message, this calling is connected to the ip voice resource of having distributed, sends instruction request (INSTREQ) message to SCP.
After step 209:SCP receives instruction request message, send playback indication (SRFDIR) message to SSP and require the user to import COS by playback with indication SSP.
Step 210:SSP receives behind the playback Indication message to MS user's playback, the prompting user imports COS, after the user hears this playback, by MS input N, self to initiate an ordinary call to indicate, the service type information that SSP selects the user by playback indication response (srfdir) message promptly: ordinary call information returns to SCP.
If the service type information of user's input is other service type information beyond the ordinary call information, then can be according to existing flow performing subsequent step.
After step 211:SCP receives playback indication response message, send playback indication (SRFDIR) message, require the user to import called number by playback with indication SSP to SSP.
After step 212:SSP receives the playback Indication message,, after receiving the called number that the user imports, this called number is returned to SCP by playback indication response (srfdir) message to user's playback prompting input called number.
After step 213:SCP receives playback indication response message, send instruction request response (instreq) message with the End IP resource to SSP.
In this step, SCP receives after the playback indication response of carrying called number, further comprises: according to caller MS number, judge whether MS has authority to carry out current international roaming, if execution in step 214 is arranged; If do not have, then send to carry and cut off the origination request response message of calling out indication to SSP, after SSP receives this indication, discharge current calling, this flow process finishes.
And after SCP received the playback indication response of carrying called number, also can further comprise: whether the account balance of judging MS can initiate this calling, if can, execution in step 214; If can not, then send to carry and cut off the origination request response message of calling out indication to SSP, after SSP receives this indication, discharge current calling, this flow process finishes.
Step 214:SCP sends origination request response (orreq) message to SSP, trigger address list (TRIGADDRLIST) parameter in this message comprises replys (O_Answer) trigger and on-hook (O_Disconnect) trigger, and parameter list (TERMLIST) comprises called number.
After step 215:SSP receives the origination request response message, discharge the IP resource of having distributed, and route the call to called according to the called number in this message.
Step 216: called party answer, SSP detect replys (O_Answer) trigger, sends to reply (OANSWER) message to SCP.
After SCP receives response message, further comprise: begin real time billing is carried out in this calling, use up, then notify SSP to cut off current calling if in calling procedure, detect the account balance of MS.
Step 217: calling and called conversation.
Step 218: caller or called subscriber's on-hook, SSP reports on-hook (O_Disconnect) message to give SCP, and SCP carries out real-time deduction, call list to the calling subscriber.
Step 219:SCP sends on-hook response (odisconnect) message to SSP, call release.
MS for global mobile communication (GSM) network, when MS has carried out international roaming, MS passes through the MSC of visit state after HLR initiates position register request message, HLR sends mobile application protocol registration supplementary service service (MAP_REGISTER_SS service) message to the MSC of visit state, user attribute parameter in this message: Supplementary Service Code (SS-Code) is set to the value that a sign is supported international roaming service, and the Redirection Information in this message (Forwarding information) field is set to the international roaming service access code of MS simultaneously.Calling when the MS of GSM network carries out international roaming by step 103～105.
Fig. 3 is the flow chart that the portable terminal of the cdma network that provides of the embodiment of the invention two is called out when carrying out international roaming, and as shown in Figure 3, its concrete steps are as follows:
Step 301～302 are identical with step 201～202.
Step 303:MS makes a call, after the MSC of visit state receives this calling, the caller MS number searching that carries according to this calling arrives corresponding international roaming service access code, called number in calling out is converted to the international roaming service access code of this MS, preserve the corresponding relation of caller MS number and called number simultaneously, the international long-distance gateway exchange that routes the call to MS ownership according to this international roaming service access code promptly: SSP.
After step 304:SSP receives this calling, the called number field that detects this calling is the international roaming service access code, trigger trafficwise according to overlay network and trigger call number section (Calling_Num_Seg) trigger, send origination request (ORREQ) or analyze (ANLYZE) message to the SCP of MS ownership, wherein, origination request or travelling carriage number (MDN) field of analyzing in the message are caller MS number, and called number (Dialed Digits) field is the international roaming service access code of MS.
After step 305:SCP receives initial request or analyzes message, go out the user according to the called number field analysis of this message and triggered international long-distance roaming (ILDR) business, SCP sends the request called number message of carrying caller MS number to SSP.
The request called number forwards that step 306:SSP will receive is given the MSC of visit state.
Step 307: after the MSC of visit state receives this request called number message,, find corresponding called number, this called number is returned to SCP by SSP according to the caller MS number that this message is carried.
After step 308:SCP receives called number, send origination request response (orreq) message to SSP, trigger address list (TRIGADDRLIST) parameter in this message comprises replys (O_Answer) trigger and on-hook (O_Disconnect) trigger, and parameter list (TERMLIST) comprises called number.
In this step, SCP receives and further comprises after the called number: according to caller MS number, judge whether MS has authority to carry out current international roaming, if having, carry origination request response (orreq) message of replying trigger and on-hook trigger to the SSP transmission; If do not have, then send to carry and cut off the origination request response message of calling out indication to SSP, after SSP receives this indication, discharge current calling, this flow process finishes.
And SCP receives after the called number, also can further comprise: whether the account balance of judging MS can initiate this calling, if can, carry origination request response (orreq) message of replying trigger and on-hook trigger to the SSP transmission; If can not, then send to carry and cut off the origination request response message of calling out indication to SSP, after SSP receives this indication, discharge current calling, this flow process finishes.
After step 309:SSP receives the origination request response message, route the call to called according to the called number in this message.
Step 310～313 are identical with step 216～219.
In the step 312, further comprise after caller or the called subscriber's on-hook: the MSC of visit state detects caller or called subscriber's on-hook, deletes the caller MS number self preserved and the corresponding relation of called number.
Fig. 4 is the flow chart that the portable terminal of the cdma network that provides of the embodiment of the invention three is called out when carrying out international roaming, and as shown in Figure 4, its concrete steps are as follows:
Step 401～402 are identical with step 201～202.
Step 403:MS makes a call, after the MSC of visit state receives this calling, the caller MS number searching that carries according to this calling arrives corresponding international roaming service access code, add this international roaming service access code in the calling called field, the international long-distance gateway exchange that routes the call to the MS ownership according to this international roaming service access code promptly: SSP.
The international roaming service access code can be added on after the called number, also can be added on before the called number, specifically adopts which kind of addition manner, can be consulted by the MSC of SCP, SSP and visit state to determine.
After step 404:SSP receives this calling, the called field that detects this calling is called number and international roaming service access code, trigger trafficwise according to overlay network and trigger call number section (Calling_Num_Seg) trigger, send origination request (ORREQ) or analyze (ANLYZE) message to the SCP of MS ownership, wherein, origination request or the travelling carriage number of analyzing in the message (MDN) are caller MS number, and called number (Dialed Digits) field is the international roaming service access code of called number and MS.
After step 405:SCP receives initial request or analyzes message, the international roaming service access code that carries according to this message analyzes the user and has triggered the ILDR business, send origination request response (orreq) message to SSP, trigger address list (TRIGADDRLIST) parameter in this message comprises replys (O_Answer) trigger and on-hook (O_Disconnect) trigger, and parameter list (TERMLIST) comprises called number.
In this step, SCP receives and further comprises after the called number: according to caller MS number, judge whether MS has authority to carry out current international roaming, if having, carry origination request response (orreq) message of replying trigger and on-hook trigger to the SSP transmission; If do not have, then send to carry and cut off the origination request response message of calling out indication to SSP, after SSP receives this indication, discharge current calling, this flow process finishes.
And SCP receives after the called number, also can further comprise: whether the account balance of judging MS can initiate this calling, if can, carry origination request response (orreq) message of replying trigger and on-hook trigger to the SSP transmission; If can not, then send to carry and cut off the origination request response message of calling out indication to SSP, after SSP receives this indication, discharge current calling, this flow process finishes.
Step 406～410 are identical with step 309～313.
Fig. 5 is system's composition diagram of calling out when international roaming provided by the invention, and as shown in Figure 5, it mainly comprises: MSC52, the HLR53 of MS51, visit state, international long-distance gateway exchange 54 and ownership SCP55, wherein:
MS51: be used for after roaming into visit state, sending the position register request message of carrying the HLR routing iinformation to the MSC52 of visit state from ownership state; MSC52 to visit state makes a call.
The MSC52 of visit state: the HLR routing iinformation that is used for the position register request message sent according to MS51, send position register request message to HLR53, the MS sign that reception and preservation HLR53 send and the corresponding relation of the international roaming service access code of the information of supporting international roaming service and MS; After receiving the calling that MS51 sends, the MS that carries according to this calling identifies, after determining that MS supports international roaming service, in calling, carry the international roaming service access code of MS, route the call to the international long-distance gateway exchange 54 of MS51 according to this international roaming service access code.
Further, the MSC52 of visit state is used for, after receiving the calling that MS51 sends, preserve the calling number of carrying in this calling and the corresponding relation of called number, and after receiving the request called number message that international long-distance gateway exchange 54 is sent, the calling number of carrying according to this message sends to international long-distance gateway exchange 54 self finding corresponding called number with this called number.
HLR53: be used for after the position register request message that the MSC52 that receives visit state sends, support the information of international roaming service and the international roaming service access code of MS51 to send to the MSC52 that visits state MS51.
International long-distance gateway exchange 54: be used to receive the calling that the MSC52 of visit state sends, the international roaming service access code that this calling is carried is carried at the ownership SCP55 that sends to MS51 in the origination request message; Receive that SCP55 sends carry the response message that starts of replying trigger and on-hook trigger after, this calling is routed to called, and after detecting called party answer, SCP55 sends response message to ownership, after detecting user's on-hook, SCP55 sends on-hook message to ownership.
Further, international long-distance gateway exchange 54 is used for, receive that ownership SCP55 sends require caller MS51 user to import the playback indication of service type information after, import service type information to caller MS51 user playback prompting user, the service type information that caller MS51 user is imported returns to ownership SCP55; Receive that ownership SCP55 sends require caller MS51 user to import the playback indication of called number after, with prompting input called number, the called number of caller MS51 user input is sent to ownership SCP55 to caller MS51 user playback.
Perhaps, further, international long-distance gateway exchange 54 is used for, and after receiving the request called number message that ownership SCP55 sends, gives the MSC52 that visits state with this forwards, and the called number that the MSC52 that visits state is sent sends to ownership SCP55.
International long-distance gateway exchange 54 can be SSP etc.
Ownership SCP55: be used for after receiving the origination request message that international long-distance gateway exchange 54 is sent, detect this message and carried the international roaming service access code, carry the response message that starts of replying trigger and on-hook trigger according to the called number that obtains to 54 transmissions of international long-distance gateway exchange, after receiving the response message that international long-distance gateway exchange 54 is sent, begin real time billing is carried out in calling, after receiving the on-hook message that international long-distance gateway exchange 54 is sent, begin this calling is deducted fees.
Further, ownership SCP55 is used for, after receiving the origination request message that international long-distance gateway exchange 54 sends, the called field that detects this message is the international roaming service access code, send the playback indication that requires MS user to import service type information to international long-distance gateway exchange 54, and after receiving that instruct MS Client-initiated COS that international long-distance gateway exchange 54 returns is the information of ordinary call, send the playback indication that requires MS user to import called number to international long-distance gateway exchange 54, and return this called number according to international long-distance gateway exchange 54, send to international long-distance gateway exchange 54 and carry the response message that starts of replying trigger and on-hook trigger.
Perhaps, further, ownership SCP55 is used for, after receiving the origination request message that international long-distance gateway exchange 54 sends, the called field of determining this message is the international roaming service access code, send request called number message to international long-distance gateway exchange 54, and return this called number, send to international long-distance gateway exchange 54 and carry the response message that starts of replying trigger and on-hook trigger according to the long-distance gateway exchange 34 in border.
As can be seen: HLR53, international long-distance gateway exchange 54 and ownership SCP55 are arranged in the ownership state network of MS51.
As shown in Figure 6, the MSC52 of visit state mainly comprises: international roaming service inserts identification request module 521 and international nomadism call routing module 522, wherein:
International roaming service inserts identification request module 521: be used for the position register request that MS51 sends is sent to HLR53, the international roaming service of the MS51 that preservation HLR53 sends inserts sign, the request international roaming service of sending according to international nomadism call routing module 522 of carrying MS51 sign inserts identification message, the international roaming service of MS51 is inserted sign send to international nomadism call routing module 522.
International nomadism call routing module 522: be used to receive the calling that MS51 sends, insert identification request module 521 according to the MS51 sign of carrying in this calling to international roaming service and send the request international roaming service access identification message of carrying the MS51 sign, in calling, carry international roaming service and insert the international roaming service that identification request module 521 returns and insert sign, route the call to the international long-distance gateway exchange 54 in the home network of MS51.
As shown in Figure 7, HLR53 mainly comprises: international roaming service inserts sign distribution module 531 and international roaming service inserts sign sending module 532, wherein:
International roaming service inserts sign distribution module 531: be used to each portable terminal of self to distribute international roaming service to insert sign, insert the request international roaming service of carrying the MS51 sign that sign sending module 532 sends according to international roaming service and insert identification message, the international roaming service of MS51 is inserted sign send to international roaming service and insert sign sending module 532.
International roaming service inserts sign sending module 532: the MS51 sign that is used for the position register request that the MSC52 according to visit state sends, send the request international roaming service of carrying the MS51 sign to international roaming service access sign distribution module 531 and insert identification message, the international roaming service that international roaming service access sign distribution module 531 is sent inserts the MSC52 that sign sends to visit state.
The above only is process of the present invention and method embodiment, in order to restriction the present invention, all any modifications of being made within the spirit and principles in the present invention, is not equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (20)
1, a kind of method that realizes international nomadism call is characterized in that, comprising:
Mobile terminal roaming is to visit state, moving exchanging center MSC by visit state is initiated position register request to the attaching position register HLR of portable terminal, HLR inserts the MSC that sign sends to visit state with the international roaming service of portable terminal, the corresponding relation that the MSC preservation mobile terminal identification of visit state and international roaming service insert sign;
Portable terminal makes a call to the MSC of visit state, after the MSC of visit state receives this calling, insert in the corresponding relation of sign in mobile terminal identification of self preserving and international roaming service, the international roaming service of obtaining this portable terminal inserts sign, called identification in calling out is replaced with international roaming service insert sign, route the call to the ownership state network of portable terminal.
2, the method for claim 1, it is characterized in that, the ownership state network that the described MSC that visits state routes the call to portable terminal further comprises afterwards: the called identification field that the ownership state network measuring of portable terminal is carried to this calling is that international roaming service inserts sign, then point out mobile phone users input called identification, and after the called identification of receiving the mobile phone users input replay call.
3, the method for claim 1 is characterized in that, the described MSC that visits state further comprises after receiving and calling out: the calling identification in the MSC preservation calling of visit state and the corresponding relation of called identification;
The international roaming service that the MSC of described visit state obtains this portable terminal inserts after the sign, routes the call to before the ownership state network of portable terminal, further comprises: the called identification during the MSC of visit state will call out replaces with international roaming service and inserts and identify.
4, method as claimed in claim 3, it is characterized in that, the ownership state network that the described MSC that visits state routes the call to portable terminal further comprises afterwards: the called identification field that the ownership state network measuring of portable terminal is carried to this calling is that international roaming service inserts sign, then the MSC to visit state sends the request called identification message of carrying calling identification, after the MSC of visit state receives this message, the calling identification that carries according to this message finds corresponding called identification, this called identification is sent to the ownership state network of portable terminal, network based this called identification replay call of the ownership state of portable terminal.
5, the method for claim 1, it is characterized in that, the international roaming service that the MSC of described visit state obtains this portable terminal inserts after the sign, routes the call to before the ownership state network of portable terminal, further comprises: the MSC of visit state inserts sign with international roaming service and is carried at called identification field in the calling.
6, method as claimed in claim 5, it is characterized in that, the ownership state network that the described MSC that visits state routes the call to portable terminal further comprises afterwards: the called identification field that the ownership state network measuring of portable terminal is carried to this calling is that called identification and international roaming service insert sign, according to this called identification replay call.
7, the method of claim 1, it is characterized in that, the MSC of described visit state inserts the ownership state network that sign routes the call to portable terminal according to this international roaming service and comprises: the MSC of visit state inserts the corresponding relation of sign and the routing iinformation of international long-distance gateway exchange according to the international roaming service of self preserving, with the international long-distance gateway exchange of this call forward to portable terminal ownership state, after the international long-distance gateway exchange is received this calling, mobile terminal identification according to this calling is carried sends the origination request of carrying international roaming service access sign to the service control point (SCP) of portable terminal ownership.
8, method as claimed in claim 7, it is characterized in that, described international long-distance gateway exchange further comprises after the SCP of portable terminal ownership sends origination request: after SCP receives this origination request, detect this request and carry international roaming service access sign, notice international long-distance gateway exchange replay call after obtaining called identification.
9, method as claimed in claim 8, it is characterized in that described SCP obtains after the called identification, before the notice international long-distance gateway exchange replay call, further comprise: SCP judges whether calling mobile terminal has authority to carry out international roaming, if have, notice international long-distance gateway exchange replay call; Otherwise notice international long-distance gateway exchange cuts off to be called out.
10, method as claimed in claim 8 is characterized in that, further comprise after the described SCP notice international long-distance gateway exchange replay call: SCP receives the called party answer message that the international long-distance gateway exchange is sent, and begins real time billing is carried out in this calling.
11, method as claimed in claim 10 is characterized in that, described SCP begins this calling is further comprised after chargeing: SCP detects the account balance of portable terminal and uses up, and cuts off and calls out.
12, method as claimed in claim 8 is characterized in that, further comprise after the described SCP notice international long-distance gateway exchange replay call: SCP receives the on-hook message that the international long-distance gateway exchange is sent, and this calling is deducted fees.
13, the method for claim 1 is characterized in that, described method further comprises: HLR is that different operator or SCP is provided with different international roaming service access signs in advance;
Described HLR inserts the MSC that sign sends to visit state with the international roaming service of portable terminal: HLR is according to the operator or the SCP of portable terminal ownership, select an international roaming service to insert sign, this international roaming service is inserted the MSC that sign sends to visit state;
The ownership state network that the described MSC that visits state routes the call to portable terminal comprises: the MSC of visit state is with the SCP of this call forward to the portable terminal ownership, SCP inserts sign according to the international roaming service of carrying in calling out, and the international roaming service that self sets in advance and preserve inserts the corresponding relation of sign and charge information, find corresponding charge information, this calling is chargeed according to this charge information.
14, the method for claim 1 is characterized in that, described international roaming service inserts sign and comprises: the national code of the international long-distance prefix of portable terminal ownership state, portable terminal ownership state and the international long-distance access code of portable terminal ownership state.
15, a kind of system that realizes international nomadism call is characterized in that, described system comprises: MSC, HLR and the ownership state network of portable terminal, visit state, wherein:
Portable terminal is used for sending position register request by the MSC of visit state to HLR; When having carried out international roaming, make a call to the MSC of visit state;
The MSC of visit state is used for the position register request that portable terminal is sent is sent to HLR, and the international roaming service of the portable terminal that preservation HLR sends inserts sign; The calling that mobile terminal receive is sent, the international roaming service that the called identification in calling out is replaced with portable terminal inserts sign, routes the call to the ownership state network of portable terminal;
HLR is used for the position register request sent of MSC according to visit state, and the international roaming service of portable terminal is inserted the MSC that sign sends to visit state;
Ownership state network is used for control is called out in the calling that the MSC that visits state sends.
16, system as claimed in claim 15 is characterized in that, described ownership state network is further used for, and real time billing control is carried out in calling.
17, system as claimed in claim 15 is characterized in that, described ownership state network comprises: international long-distance gateway exchange and ownership SCP, wherein:
The international long-distance gateway exchange is used for sending origination request to the ownership SCP of portable terminal after the calling that the MSC that receives visit state sends;
Ownership SCP is used to receive the origination request that the international long-distance gateway exchange is sent, and control is called out in this calling.
18, system as claimed in claim 17, it is characterized in that, described international long-distance gateway exchange is further used for: receive the ownership SCP send require the calling mobile terminal user to import the indication of called identification after, to calling mobile terminal user prompt input called identification, the called identification that the calling mobile terminal user is imported sends to ownership SCP;
Described ownership SCP is further used for, receive the origination request that the international long-distance gateway exchange sends after, send the indication that requires the calling mobile terminal user to import called identification to the international long-distance gateway exchange, receive the called identification that the international long-distance gateway exchange is sent.
19, system as claimed in claim 17, it is characterized in that, the described MSC that visits state is further used for, the calling identification that carries in the calling that the preservation calling mobile terminal is sent and the corresponding relation of called identification, and after receiving the request called identification message that the international long-distance gateway exchange is sent, the called identification of the calling identification correspondence in this message is sent to the international long-distance gateway exchange;
Described international long-distance gateway exchange is further used for, and after receiving the request called identification message that ownership SCP sends, gives the MSC that visits state with this forwards, and the called identification that the MSC that visits state is sent sends to ownership SCP;
Described ownership SCP is further used for, receive the origination request that the international long-distance gateway exchange sends after, send request called identification message to the international long-distance gateway exchange, receive the called identification that the international long-distance gateway exchange is sent.
20, a kind of MSC that realizes international nomadism call is characterized in that, comprising: international roaming service inserts identification request module and international nomadism call routing module, wherein:
International roaming service inserts the identification request module, be used for to roam into the HLR that position register request that local portable terminal sends sends to portable terminal, the international roaming service of the portable terminal that preservation HLR sends inserts sign, the request international roaming service of sending according to the international nomadism call routing module inserts identification message, the international roaming service of portable terminal is inserted sign send to the international nomadism call routing module;
The international nomadism call routing module, be used for the calling that mobile terminal receive is sent, insert sign according to mobile terminal identification to the international roaming service that international roaming service inserts this portable terminal of identification request module request, called identification in calling out is replaced with international roaming service insert the international roaming service access sign that the identification request module is returned, route the call to the ownership state network of portable terminal.
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| CNB2006101596737A CN100551128C (en) | 2006-09-30 | 2006-09-30 | Realize the method and system of international nomadism call |
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| CNB2006101596737A CN100551128C (en) | 2006-09-30 | 2006-09-30 | Realize the method and system of international nomadism call |
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| CN1925691A CN1925691A (en) | 2007-03-07 |
| CN100551128C true CN100551128C (en) | 2009-10-14 |
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Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101056467B (en) * | 2007-06-01 | 2011-05-25 | 中兴通讯股份有限公司 | Processing device and method for international roaming call and its applied intelligent network |
| CN101098558B (en) * | 2007-06-14 | 2011-09-21 | 中兴通讯股份有限公司 | International roaming proxy calling service method |
| CN101534498B (en) * | 2008-03-11 | 2010-09-22 | 中国移动通信集团公司 | Method for realizing international roaming, roaming treatment equipment and communication system |
| CN101668278B (en) * | 2008-09-05 | 2013-03-20 | 华为技术有限公司 | Method and related equipment for roaming service |
| CN101730263B (en) * | 2008-10-10 | 2013-03-20 | 华为技术有限公司 | Method and system for triggering intelligent network service |
| CN101616387B (en) * | 2009-07-29 | 2012-10-10 | 中兴通讯股份有限公司 | System for realizing transnational roaming charging and method |
| CN102421075A (en) * | 2011-11-18 | 2012-04-18 | 中兴通讯股份有限公司 | Method for interacting services and user in intelligent network and SCP (Service Control Point) |
| CN103634776B (en) * | 2012-08-24 | 2019-01-04 | 中兴通讯股份有限公司 | A kind of method and identity information server of the access mark obtaining terminal |
| CN103152718A (en) * | 2013-03-12 | 2013-06-12 | 中国联合网络通信集团有限公司 | Roaming control method and device |
| CN105472182A (en) * | 2015-12-04 | 2016-04-06 | 中国联合网络通信集团有限公司 | Roaming call method and system, home location register and gateway exchange |
| CN110312242B (en) * | 2019-07-02 | 2021-11-09 | 中国联合网络通信集团有限公司 | Routing information generation method, calling realization method, gateway and system |
| CN110324817A (en) * | 2019-07-02 | 2019-10-11 | 中国联合网络通信集团有限公司 | International roaming communication means, service control point node based on block chain |
| CN110312241B (en) * | 2019-07-02 | 2022-02-22 | 中国联合网络通信集团有限公司 | International gateway server, block chain network system and communication method thereof |
| CN110312244B (en) * | 2019-07-02 | 2022-02-11 | 中国联合网络通信集团有限公司 | Routing information generation method, calling method, gateway, service gateway and system |
| CN114257677A (en) * | 2020-09-24 | 2022-03-29 | 华为技术有限公司 | Communication method and device |
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2006
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