CN101656946B - International roaming call routing method - Google Patents
International roaming call routing method Download PDFInfo
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- CN101656946B CN101656946B CN 200810213015 CN200810213015A CN101656946B CN 101656946 B CN101656946 B CN 101656946B CN 200810213015 CN200810213015 CN 200810213015 CN 200810213015 A CN200810213015 A CN 200810213015A CN 101656946 B CN101656946 B CN 101656946B
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- instructions
- roamer
- network gateway
- giving orders
- message network
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Abstract
The invention relates to a gateway for an international roaming call and a routing method thereof. A public exchange telecom network gateway of the invention comprises a storage medium used for recording a number comparison table and a call record chart, wherein the number comparison table is the comparison table recording a mobile phone number of a roaming user and a fixed network number of a calling place; and the call record chart records a calling number and the mobile phone number of the roaming user.
Description
Technical field
The invention relates to a kind of telecommunication network services, espespecially a kind of gateway of optimization international roaming service node and around delivery method.
Background technology
Because the development of mobile communication technology, the place of dialing, receiving calls no longer is subject to the laying scope of cable network.The telecommunications service dealer more provides the international roaming service in recent years, all can conveniently receive and dial mobile phone no matter the user is positioned at both at home and abroad.The conversation of right international roaming makes call rate high mostly through two sections international routes (international trunks).
Though multiple cheap rate scheme is arranged on the market, so it maybe needs to ask the user to dial repeatedly number, maybe need to ask the user to buy more extra means, such as SIM card or external connection box etc., allows ease of use descend.These mechanism all can only be reached and dial joint expense function.Other have the framework of the existing mobile communcations system of modification in addition with the effect of Da Jiefei, and so its cost that rearranges communication node still makes service fee effectively control.In sum, take into account ease of use and cloth and build up that this overseas call joint expense scheme is real to be present one very important problem.
Summary of the invention
One embodiment of international roaming conversation gateway of the present invention comprises that a Storage Media and a joint expense are around sending module.Described Storage Media is in order to record a digitmap and a record sheet of giving orders or instructions, wherein said digitmap is the give orders or instructions table of comparisons of ground fixed network number of record one roamer's Mobile Directory Number and, and the described record sheet of giving orders or instructions is record one calling number and described roamer's Mobile Directory Number.Described joint expense is around sending module to set up line according to the record of described Storage Media.
International roaming of the present invention conversation comprises the following steps: with the Mobile Directory Number and that a digitmap records the roamer ground fixed network number of giving orders or instructions around an embodiment of delivery method; And record a calling number and described roamer's Mobile Directory Number with the record sheet of giving orders or instructions.
International roaming conversation of the present invention comprises the following steps: described mobile phone record one present place around another embodiment of delivery method; When described mobile phone is received the incoming call of a first speaker, check whether operate under the roam mode, connect with refusal if then transmit a refusal signal; And public's switched message network gateway of described mobile phone clawback to a roaming place is with the line of foundation with described first speaker.
Description of drawings
Fig. 1 shows an embodiment of public's switched message network gateway architecture of the present invention;
Fig. 2 to Fig. 4 display application public's switched message network of the present invention gateway is to reach the embodiment of international roaming phone joint expense;
Fig. 5 shows that the joint according to the embodiment of the invention takes around sending machine-processed flow chart; And
Fig. 6 display application public's switched message network of the present invention gateway is to reach another embodiment of international roaming phone joint expense.
Drawing reference numeral
10 PSTN gateways, 10 Storage Medias
2
104 joint expenses are around sending module 11 digitmaps
2
The 114 record sheet 11 clawback timers of giving orders or instructions
6
30a PSTN gateway 30 Storage Medias
2a
304 joint expenses are around sending module 31 digitmaps
a 2a
The 314 record sheet 30 PSTN gateways of giving orders or instructions
a b
302 Storage Medias, 30 joint expenses are around sending module
b 4b
314 record sheets of giving orders or instructions
b
30c PSTN gateway 30 Storage Medias
2c
304 joint expenses are around sending module 31 digitmaps
c 2c
314 record sheet 30 first speakers of giving orders or instructions
c 2
304 switches, 30 IP network
6
308 homing position ISC, 30 destination ISC
9
310 GMSC 31 HLR
2
316 VLR, 31 destination MSC
8
320 roamers, 60 wireless network base stations
2
Embodiment
Fig. 1 shows an embodiment of public's switched message network gateway architecture 10 of the present invention, and it comprises that a Storage Media 102 and a joint expense are around sending module 104.Storage Media 102 is in order to record a digitmap 112 and a record sheet 114 of giving orders or instructions, the fixed network digitmap on wherein said digitmap 112 record one roamers' Mobile Directory Number and the ground of giving orders or instructions corresponding to described roamer, described give orders or instructions record sheet 114 record one calling numbers and described roamer's Mobile Directory Number.When first speaker will be conversed with the roamer, roamer's the ground fixed network number of giving orders or instructions will be dialed.
When ground mode is given orders or instructions in 10 operations of public's switched message network gateway, dial when words when accepting first speaker, joint expense is around sending module 104 can check the described record sheet 114 of giving orders or instructions, and the public's switched message network gateway that sees through a world-wide web and roamer's homing position is set up first speaker and roamer's line.
When public's switched message network gateway 10 operation homing position pattern, after the line (incoming call) of the line request of the ground public's switched message network gateway of accepting to give orders or instructions or first speaker is asked, the joint expense is around sending module 104 to check the described record sheet 114 of giving orders or instructions, set up first speaker and listener (roamer's) line, or after accepting roamer's one refusal line signal, start a clawback timer 116, when clawback timer 116 is not yet received any clawback line to after date, then joint expense is around sending module 104 to remove the record sheet 114 of giving orders or instructions, and can refuse described first speaker and described roamer's line; Or before clawback timer 116 expires, accept a clawback signal, the joint expense is around sending module 104 can check the described record sheet 114 of giving orders or instructions, and the clawback signal is transferred back to the ground public's switched message network gateway of giving orders or instructions.
When the pattern of public's switched message network gateway 10 operation destination, when first speaker with listener (roamer) during all at homing position, the joint expense is directly set up first speaker and roamer's line around sending module 104 inspections the described record sheet 114 of giving orders or instructions; Or when the roamer refuses the line of public's switched message network gateway of homing position, public's switched message network gateway of destination is the clawback signal that can accept the roamer, the joint expense is around sending module 104 can check the described record sheet 114 of giving orders or instructions, when the described record sheet 114 of giving orders or instructions has record, set up first speaker and roamer's line; Otherwise, give orders or instructions during record sheet 114 no record when described, then with public's switched message network gateway of clawback signal wraparound homing position.
Receive that first the clawback request signal receives that then then described public's switched message network gateway 10 is ignored described exclude information at the refusal signal from described roamer end if operate in public's switched message network gateway 10 of homing position pattern.
In an embodiment of the present invention, public's switched message network gateway 10 is to be linked to public's switched message network.For instance, public's switched message network gateway 10 can be linked to Mobile Telephone Switching Center (Mobile Switching Center, MSC), the network nodes such as GMSC (gateway mobile switching center) (Gateway Mobile Switching Center, GMSC), switch (Switch).In addition, public's switched message network gateway 10 also can be linked to the world-wide web (telecom-grade IP network) of a telecommunications grade.
In part embodiment of the present invention, public's switched message network gateway can be continued to use a call starting protocol (Session Initiation Protocol, SIP) and RTP (Real-time Transport Protocol, RTP) design of server reduces manufacturing cost.
Provide the telecommunication operator of roaming service to build public's switched message network gateway in various places (first speaker location, homing position, roamer location) except cloth, other offers the multinational fixed network number of roamer, and its country origin is decided by the country that the roamer makes frequent calls on.In following embodiment, one telecommunication operator requires to provide a roaming service to the user to Taiwan.Because described user makes frequent calls on the U.S. and Japan, so described dealer distributes a mobile phone door number+886-931111111, a U.S. fixed network number+1-4433333333 and a Japanese fixed network number+81-556666666 give described user.
Fig. 2 display application public's switched message network of the present invention gateway is to reach the first embodiment of international roaming phone joint expense.In this example, the first speaker 302 that is positioned at the U.S. dials to roamer 320 with telephone number+1-4432222222, and roamer 320 is sitting at Taiwan.At first, first speaker 302 is dialed U.S. fixed network number+1-4433333333 of roamer 320.The switch 304 that this conversation demand can see through first speaker is sent to the on-site American public switched message network of first speaker gateway 30a with this conversation demand, and the charge method of provincialism phone is adopted in this section conversation.Joint expense in the American public switched message network gateway 30a around the Mobile Directory Number that send module 304a can find according to the digitmap 312a of its Storage Media 302a the roamer (+886-931111111), and according to the country code of Mobile Directory Number, see through Taiwan public's switched message network gateway 30b of IP network 306 notice homing positions.Therefore the section conversation is via network, is not the charge method of adopting overseas call, therefore can reduce the cost of the phone call expenditure.The joint of Taiwan public's switched message network gateway 30b of described homing position expense is around sending module 304b to be communicated with described roamer's 320 mobile phone via GMSC 310 again, and the charge method of provincialism phone is adopted in this section conversation.
Fig. 3 display application public's switched message network of the present invention gateway is to reach the second embodiment of international roaming phone joint expense.In this example, the first speaker 302 that is positioned at the U.S. dials to the roamer 320 who also is sitting at the U.S. with telephone number+1-4432222222.At first, identical program, first speaker 302 is dialed U.S. fixed network number+1-4433333333 of roamer, joint expense in the American public switched message network gateway 30a is around sending module 304a can find according to the digitmap 312a of its Storage Media 302a roamer's Mobile Directory Number, and according to the country code of Mobile Directory Number, see through public's switched message network gateway 30b of IP network 306 notice homing positions.Give orders or instructions ground and public's switched message network gateway 30a, the 30b of homing position can set up give orders or instructions record sheet 314a, a 314b separately, with record first speaker number and roamer's Mobile Directory Number.Because roamer 320 also is sitting at the U.S., therefore Taiwan public's switched message network gateway 30b of homing position will see through in proper order homing position international gateways switch (International Switching Center, ISC) 308, destination (U.S.) ISC 309, destination MSC 318 and link to the roamer's 320 who is positioned at the U.S. mobile phone via GMSC 310.Roamer 320 mobile phone will be refused the incoming call of Taiwan public's switched message network gateway 30b after receiving call-in reporting, and clawback to roaming place American public switched message network gateway 30a to set up line.The joint of American public switched message network gateway 30a expense learns that around sending module 304a to give orders or instructions to record 314a via inquiry first speaker 302 wants therewith roamer's 320 lines, therefore sets up both lines.Taiwan public's switched message network gateway 30b will start a clawback timer after receiving roamer 320 the refusal incoming call of mobile phone, when the clawback timer to after date, then joint takes around sending the module 304b removing record sheet 314b that gives orders or instructions.
Similar with the situation of Fig. 2, present embodiment only spends the charge of two sections provincialism phone and one section networking telephone.Supplementary notes be, roamer 320 mobile phone can built-in program having the refusal incoming call, and the automatic function such as clawback.
Fig. 4 display application public's switched message network of the present invention gateway is to reach the 3rd embodiment of international roaming phone joint expense.In this example, the first speaker 302 that is positioned at the U.S. dials to roamer 320 with telephone number+1-4432222222, and roamer 320 is sitting at Japan.At first, identical program, first speaker 302 is dialed U.S. fixed network number+1-4433333333 of roamer and is seen through public's switched message network gateway 30b that IP network 306 is notified (Taiwan) of homing positions.Give orders or instructions ground and public's switched message network gateway 30a, the 30b of homing position can set up separately one and give orders or instructions to note down record sheet 314a, 314b, with record first speaker number and roamer's Mobile Directory Number.The joint expense of Taiwan public's switched message network gateway 30b of homing position is around sending the standard mobile phone creation facilities program (CFP) of module 304b via GMSC 310, see through GMSC 310, attaching position register (Home Location Register, HLR) 312, homing position ISC308, destination international gateways switch 309, Visited Location Registor (Visitor Location Register, VLR) mobile phone roaming number (Mobile Station Roaming Number, MSRN) is obtained to set up line in 316 path.After roamer 320 mobile device received to set up the line request, roamer 320 mobile device was refused the calling of Taiwan public's switched message network gateway 30b, and clawback is to local Japanese public switched message network gateway 30c.Taiwan public's switched message network gateway 30b of angelica position starts a clawback timer after receiving that the refusal of roamer 320 mobile device is sent a telegram here.If roamer 320 is clawback within the predefined time not, then described section conversation of write off.
After the on-site Japanese public switched message network of roamer gateway 30c receives clawback from roamer 320, check whether its record sheet 314c that gives orders or instructions has the give orders or instructions record relevant with the roamer.If have, represent that then first speaker also is positioned at destination the country one belongs to.Otherwise, in this embodiment, first speaker 302 is to be positioned at the U.S., therefore, (+the homing position of 886-931111111) learning the roamer is Taiwan to Japanese public switched message network gateway 30c, will transmit these clawback solicited messages to Taiwan public's switched message network gateway 30b of homing position via IP network 306 according to roamer 320 door number.If above-mentioned clawback solicited message received before the clawback timer expires, then described joint expense is around sending module according to the described record sheet 314b that gives orders or instructions of the number inquiry of first speaker, and clawback is to the described former first speaker of the U.S..If above-mentioned clawback solicited message receives after the clawback timer expires, then described joint expense is around sending module 304b to remove the described record sheet 314b that gives orders or instructions, and refuses described first speaker 302 and described roamer's 320 line.
After Taiwan public's switched message network gateway 30b of angelica position receives clawback solicited message from the roaming place, can number retrieve according to roamer's door number and the country of former first speaker 302, again this be taken on the telephone via IP network 306 around delivering to American public switched message network gateway 30a.The joint of American public switched message network gateway 30a expense learns that around sending module 304a to give orders or instructions to record 314a via inquiry first speaker 302 wants therewith roamer's 320 lines.When American public switched message network gateway 30a had connected this clawback conversation, two sections international routes (international trunks) were reduced to two sections zone conversations and one section voip phone, can significantly reduce the international call expense.
Fig. 5 shows that the joint according to the embodiment of the invention takes around sending machine-processed flow chart.At step S501, roamer's mobile device can record first present place.At step S502, when roamer's mobile device is received first speaker incoming call, check first whether mobile phone is roam mode.Then transmit an exclude information to public's switched message network gateway of homing position and connect with refusal if operate in roam mode, such as step S504.Then, clawback to roaming place public's switched message network gateway and via public's switched message network gateway clawback of homing position to first speaker to require to set up line, this is around delivery method and make described mobile phone bell ring, such as step S505.
In part embodiment of the present invention, as the acquisition of the present roaming place of step S501 mobile device can an AT command set the AT+COPS instruction obtain as described in present roaming place (for example, country code country code).In other embodiments of the invention, the lineGetCurrentOperator function that the at present acquisition of roaming place can Windows Mobile/CE Extended TAPI application program obtains.At step S503, if not roam mode (being that person who accepts is not in homing position) then starts standard mobile phone creation facilities program (CFP).
Mobile phone of the present invention have when international roaming is talked about cut off and clawback to the mechanism of public's switched message network gateway.In addition, for further pursuing the target of saving the expense of dialing, can use the two net mobile phones that have radio network functions concurrently, as shown in Figure 6.Please also refer to Fig. 2, when international roaming was talked about, roamer 320 can connect wireless network base stations 602, replied with the call mode of wireless network, and the regional phone of this section is dialed because seeing through wireless network, then can save the expense of dialing.
The present invention does not change user's use habit, and still possesses the convenience of international roaming.Existing products can only be used for giving orders or instructions mostly on the market, no matter but the present invention give orders or instructions or be subjected to words all can reach joint expense effect.Build up with regard to this with regard to cloth, of the present invention with low cost compared to existing products on the market, and be compatible to existing equipment, therefore can be immediately the industrial circle employing.
Technology contents of the present invention and technical characterstic disclose as above, yet the personage who is familiar with the technology still may do all replacement and modifications that does not deviate from spirit of the present invention based on teaching of the present invention and announcement.Therefore, protection scope of the present invention should be not limited to those disclosed embodiments, and should comprise various do not deviate from replacement of the present invention and modifications, and is contained by following claim scope.
Claims (5)
- International roaming conversation around delivery method, it is characterized in that, comprise the following step:First speaker is dialed a roamer the ground fixed network number of giving orders or instructions;The ground public switched message network gateway of giving orders or instructions comprises a medium, store digitmap in the described medium, described digitmap records described roamer's Mobile Directory Number and corresponding to described roamer the described ground fixed network number of giving orders or instructions, the described ground public switched message network gateway of giving orders or instructions is found out described roamer's Mobile Directory Number according to described roamer's described digitmap;The described ground public switched message network gateway of giving orders or instructions is set up one first record sheet of giving orders or instructions, and wherein said first record sheet of giving orders or instructions records described first speaker number and described roamer's described Mobile Directory Number;According to the country code of described Mobile Directory Number, see through a world-wide web and notify a homing position public switched message network gateway;Set up one second record sheet of giving orders or instructions at described homing position public switched message network gateway, wherein said second record sheet of giving orders or instructions records described first speaker number and described roamer's described Mobile Directory Number;When described roamer is positioned at described when ground of giving orders or instructions, described homing position public switched message network gateway sees through homing position international gateways switch, destination international gateways switch, destination Mobile Telephone Switching Center via GMSC (gateway mobile switching center), is communicated with described roamer's described mobile phone;Described roamer's described mobile phone refusal is communicated with, and the described ground public's switched message network gateway of giving orders or instructions of clawback;The described ground public switched message network gateway of giving orders or instructions is communicated with described roamer and described first speaker according to described first record sheet of giving orders or instructions.
- According to claim 1 international roaming conversation around delivery method, it is characterized in that, described international roaming conversation after delivery method more comprises described homing position public switched message network gateway and receives that described roamer refuses to be communicated with, start the step of a clawback timer.
- According to claim 2 international roaming conversation around delivery method, it is characterized in that, not clawback within the predefined time of described roamer is worked as in more comprising around delivery method of described international roaming conversation, described clawback timer is to after date, and described homing position public switched message network gateway is removed the described second step of giving orders or instructions record sheet.
- International roaming conversation around delivery method, it is characterized in that, comprise the following step:First speaker is dialed a roamer the ground fixed network number of giving orders or instructions;The ground public switched message network gateway of giving orders or instructions comprises a medium, store digitmap in the described medium, described digitmap records described roamer's Mobile Directory Number and corresponding to described roamer the described ground fixed network number of giving orders or instructions, the described ground public switched message network gateway of giving orders or instructions is found out described roamer's Mobile Directory Number according to described roamer's described digitmap;The described ground public switched message network gateway of giving orders or instructions is set up one first record sheet of giving orders or instructions, and wherein said first record sheet of giving orders or instructions records described first speaker number and described roamer's described Mobile Directory Number;According to the country code of described Mobile Directory Number, see through a world-wide web and notify a homing position public switched message network gateway;Described homing position public switched message network gateway is set up one second record sheet of giving orders or instructions, and wherein said second record sheet of giving orders or instructions records described first speaker number and described roamer's described Mobile Directory Number;When described roamer was positioned at a location on non-attribution position and the ground of giving orders or instructions, described homing position public switched message network gateway saw through the mobile phone that standard mobile phone creation facilities program (CFP) is communicated with described roamer;Described roamer's described mobile phone refusal is communicated with, and clawback one location public's switched message network gateway;Described location public's switched message network gateway sees through described world-wide web and is communicated with described homing position public switched message network gateway;Described homing position public switched message network gateway sees through described world-wide web and is communicated with the described ground public's switched message network gateway of giving orders or instructions according to described second list of giving orders or instructions; AndThe described ground public switched message network gateway of giving orders or instructions is communicated with the Mobile Directory Number of described first speaker according to described first list of giving orders or instructions;Wherein, described standard mobile phone creation facilities program (CFP) comprises: see through the mobile phone that GMSC (gateway mobile switching center), attaching position register, homing position international gateways switch, destination international gateways switch and Visited Location Registor are communicated with described roamer.
- According to claim 4 international roaming conversation around delivery method, it is characterized in that described on-site acquisition can see through the AT+COPS instruction of AT command set or the lineGetCurrentOperator function of Windows Mobile/CE Extended TAPI application program obtains.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810213015 CN101656946B (en) | 2008-08-20 | 2008-08-20 | International roaming call routing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810213015 CN101656946B (en) | 2008-08-20 | 2008-08-20 | International roaming call routing method |
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| Publication Number | Publication Date |
|---|---|
| CN101656946A CN101656946A (en) | 2010-02-24 |
| CN101656946B true CN101656946B (en) | 2013-05-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200810213015 Expired - Fee Related CN101656946B (en) | 2008-08-20 | 2008-08-20 | International roaming call routing method |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104754546B (en) * | 2013-12-30 | 2018-06-19 | 中国移动通信集团公司 | A kind of foreign countries' network registering method and device |
| CN104471968A (en) * | 2014-03-19 | 2015-03-25 | 华为技术有限公司 | Calling method, calling apparatus, VOIP server and calling systeme |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000042761A1 (en) * | 1999-01-12 | 2000-07-20 | Telefonaktiebolaget Lm Ericsson (Publ) | Communications network and method for directly routing calls to mobile subscribers using an internet protocol network |
| CN1645968A (en) * | 2005-02-25 | 2005-07-27 | 得实信息科技(北京)有限公司 | System and method for realizing calling to international wandering user by local virtual number |
| CN101098558A (en) * | 2007-06-14 | 2008-01-02 | 中兴通讯股份有限公司 | International roaming proxy calling service method |
-
2008
- 2008-08-20 CN CN 200810213015 patent/CN101656946B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000042761A1 (en) * | 1999-01-12 | 2000-07-20 | Telefonaktiebolaget Lm Ericsson (Publ) | Communications network and method for directly routing calls to mobile subscribers using an internet protocol network |
| CN1645968A (en) * | 2005-02-25 | 2005-07-27 | 得实信息科技(北京)有限公司 | System and method for realizing calling to international wandering user by local virtual number |
| CN101098558A (en) * | 2007-06-14 | 2008-01-02 | 中兴通讯股份有限公司 | International roaming proxy calling service method |
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| CN101656946A (en) | 2010-02-24 |
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