CN100362901C - A number mobile service calling and setting method - Google Patents
A number mobile service calling and setting method Download PDFInfo
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- CN100362901C CN100362901C CNB2004100800130A CN200410080013A CN100362901C CN 100362901 C CN100362901 C CN 100362901C CN B2004100800130 A CNB2004100800130 A CN B2004100800130A CN 200410080013 A CN200410080013 A CN 200410080013A CN 100362901 C CN100362901 C CN 100362901C
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/26—Network addressing or numbering for mobility support
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/42—Systems providing special services or facilities to subscribers
- H04M3/4228—Systems providing special services or facilities to subscribers in networks
- H04M3/42297—Systems providing special services or facilities to subscribers in networks with number portability
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/22—Processing or transfer of terminal data, e.g. status or physical capabilities
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Abstract
A number mobile service calling and setting method, the characteristics of which lie in that when the called party can not be found through the MIN contained in calling information of call terminal, new MIN corresponding to the called party's MDN is searched in the shared database server; after the called party is found through the new MIN, the MDN and MIN of called party is sent to the called terminal through AWI information; comparing the MIN of aforementioned calling party with the MIN stored in called terminal's phone book, update the MIN information if it differs; after it's set, the new MIN of called party is sent to call terminal through AWI information and updates the MIN stored in the call terminal's phone book.
Description
Technical field
The present invention relates to the number call technology, a kind of specifically number moves the calling and setting method in the service.
Background technology
When the networking user accepted mobile communications operator's mobile telecommunication service for the first time, the mobile communications operator specified mobile identification number (MIN:Mobile Identity Number) and mobile directory number, MDN (MDN:Mobile Directory Number) on networking user's portable terminal.Here, mobile identification number (MIN) is that the mobile communications operator is used for fixing identification networking user/portable terminal and the number that uses, and mobile directory number, MDN (MDN) be portable terminal telephone number (for example, 011-9803-2544).
If the networking user wishes to change the mobile communications operator, the MDN that then abandons original mobile communications operator and given, and obtain new MDN from new mobile communications operator.But the change of MDN quite bothers, and needs simultaneously to knowing that the people of MDN before changing notifies the MDN of change.Therefore, in order to eliminate the inconvenience of change MDN, and the branding that prevents mobile directory number, MDN (promptly, 011 is that SK telecommunications, 016 is that KTF, 019 is a LG telecommunications etc.), when carrying out changing different mobile communications operators now, the number that can continue to use between the mobile communications operator of original MDN moves service.
But, carrying out number between the above-mentioned different mobile communications operator when moving service, owing to only can not correctly judge the actual mobile communications operator who obtains serving of networking user by MDN, therefore when calling out according to the calling and setting of calling terminal, with the pairing mobile identification number of callee (MIN) is benchmark, discern after the actual mobile communications operator that service is provided, operator is connected with the corresponding mobile communication.
For this reason, in mobile communcations system, need possess the shared data bank server that stores networking user's information that each mobile communications operator provides.Thereby after callee's MDN is received in the base station, in the shared data bank server, search MIN, thereby discern actual mobile communications operator corresponding to above-mentioned MDN.
But the user who moves service along with the number between accepting that mobile communication is logical and should discussing increases gradually, because networking load and the increase of shared data bank server search time, causes calling out and connects sluggish problem.
Therefore,, proposed in the telephone directory of portable terminal the space that can store corresponding to the MIN of MDN is set, thereby need not method that the search of shared data bank server is directly connected in order to address the above problem.Here, the space of store M IN is the zone that mobile terminal user can not be visited, so the user can't see, and only uses for portable terminal is inner.
In addition, as shown in Figure 1, comprise in the calling party message outside called party information (MDN) territory 1, also comprise called party information (MIN) territory 3 that number moves relevant territory (Pbook_MIN) 2 and appends.Pbook_MIN is 2 bits, and respectively the purposes of the value of setting is as shown in table 1.
[table 1]
| Pbook_MIN | Content (purposes) |
| 00 | Callee's MDN is not present in the telephone directory.In this case, only comprise callee's MDN in the call information, and this shows the MIN that need not to accept from the base station corresponding to MDN. |
| 01 | Though callee's MDN is present in the telephone directory, does not have MIN.In this case, only comprise callee's MDN in the call information, and this shows the MIN that need accept from the base station corresponding to MDN. |
| 10 | Callee's MDN and MIN are present in the telephone directory.In this case, only comprise callee's MDN and MIN in the call information, and this shows the MIN that need not to accept from the base station corresponding to MDN. |
| 11 | For later expansion keeps |
If during Pbook_MIN=10, append NUM_FIELDS3a and CHARi3b territory in the back in Pbook_MIN territory 2, constitute message related to calls thereby in above-mentioned territory, be provided with corresponding to the figure place of the MIN of MDN and actual MIN.As a result, comprise in the final message related to calls MDN figure place, actual MDN, Pbook_MIN=10, corresponding to figure place and the actual MIN of the MIN of MDN.If not Pbook_MIN=10, then need not to append territory 3.
Fig. 2 moves calling party message constructive method precedence diagram in the service for number in the past.
As shown in Figure 2, if the portable terminal of calling party attempts to call out certain callee's portable terminal, whether the MDN that at first judges corresponding callee is present in the telephone directory of portable terminal of calling party.
If callee's MDN is not present in the telephone directory, then be arranged to Pbook_MIN=00, only comprise callee's MDN, thus last constitute need not to accept corresponding to the call information of the MIN of MDN and send A from the base station.At this moment, the base station of call accepted information judges that from the information of Pbook_MIN=00 MDN sends, and calling party need be corresponding to the MIN of callee's MDN, thereby do not append action, and only in the shared data bank server, search for MIN and find corresponding callee to carry out calling and setting with MDN.
If callee's MDN is present in the telephone directory, judge then whether callee's MIN is present in the telephone directory.If callee's MIN does not exist, then be arranged to Pbook_MIN=01, only comprise MDN, thereby last formation need be accepted corresponding to the call information of the MIN of MDN and send B from the base station.At this moment, the base station of call accepted information judges that from the information of Pbook_MIN=01 MDN sends, and calling party need be corresponding to the MIN of callee's MDN, thereby at first in the shared data bank server, search for MIN and find corresponding callee to carry out after the calling and setting, utilize message early warning (AWI:Alert With Information) to send callee's MIN information to calling terminal by forward connecting channel (forward traffic channel) with MDN.Calling terminal receives above-mentioned message, and will be stored in corresponding to the MIN of MDN after the telephone directory, when calling out identical callee next time, is arranged to Pbook_MIN=10 and sends the call information that comprises MDN and MIN.Here, when calling terminal sent AWI message, the PI of AWI message (PresentationIndicator) territory occupied 11 of expansion usefulness in the base station, and when calling terminal is accepted the AWI message of PI=1, then the MIN in the AWI message is not shown to the user, and is stored in the space that has corresponding MDN.
If callee's MIN exists, then be arranged to Pbook_MIN=10, comprise MDN and MIN, thus last constitute need not to accept corresponding to the message related to calls of the MIN of MDN and send C from the base station.At this moment, the base station of call accepted message judges from Pbook_MIN=10 that MDN and MIN have sent and corresponding to the MIN of MDN, thereby do not carry out search, and directly utilize callee's MIN to be connected to the mobile communications operator that mobile telecommunication service is provided to the callee the shared data bank server.As mentioned above,, then need not the shared data bank server is searched for if in telephone directory, there is callee's MIN, and quick identification callee's mobile communications operator and connecting, thereby the calling and setting time shortened.
But, in calling and setting method in the past, having only the MDN that in the telephone directory of base station report portable terminal, whether stores the callee, MIN could be informed to calling terminal in the base station, thereby has the problem of appending the territory accordingly and sending signal.
In addition, if mobile terminal user change mobile communications operator (that is, change MIN), because can not the MIN information of updated stored in the portable terminal telephone directory, thereby there is the problem that causes delayed call connection and calling and setting mistake etc.
Summary of the invention
Address the above problem for making, the object of the present invention is to provide a kind of number to move calling and setting method in the service, it need not to append the territory and sends the information (MIN) that signal also can upgrade mobile terminal user, prevent to call out connection sluggishness and calling and setting mistake, thereby when change mobile telecommunication service operator, also can tackle calmly.
For this reason, a kind of number among the present invention moves the calling and setting method in the service, it is characterized in that, be included in the MDN and the MIN that utilize the callee in the calling terminal and constitute message related to calls, and described message related to calls is sent to the step of the mobile telecommunication service operator of calling terminal; The MIN that the utilization of described calling terminal service provider is included in the callee of described message related to calls is connected to the step of the first mobile telecommunication service operator of terminal called; If the described first mobile telecommunication service operator can not find described terminal called, the mobile telecommunication service operator of reporting call terminal then, and the mobile telecommunication service operator of described calling terminal searches in shared data bank after the new MIN corresponding to described called MDN again, is connected to the step of the second mobile telecommunication service operator of described terminal called; The described second mobile telecommunication service operator finds described terminal called and sets after the connecting channel between described second mobile telecommunication service operator and described terminal called, sets the step of the connecting channel between described calling terminal mobile telecommunication service operator and the described calling terminal; The mobile telecommunication service operator of described calling terminal sends to described calling terminal and connects sound, and the described second mobile telecommunication service operator sends to the MDN of calling party and MIN by AWI message the step of described terminal called; Described terminal called is to the MIN of described calling party and the MIN in the telephone directory compares and carry out updating steps when inconsistent; Set after the calling between described calling terminal and terminal called, the mobile telecommunication service operator of described calling terminal sends to described callee's new MIN by AWI message the step of described calling terminal; Described calling terminal will be stored in the step that MIN in the calling terminal telephone directory is updated to described new MIN.
When constituting described message related to calls, if callee's MIN is not present in the telephone directory, then number is moved relevant territory and be set at 0, thereby formation only comprises the message related to calls of callee's mobile directory number, MDN; If callee's mobile identification number is present in the telephone directory, then number is moved relevant territory and be set at 1, thereby formation comprises the message related to calls of callee's mobile directory number, MDN and mobile identification number.
By described message early warning information when described terminal called sends the mobile directory number, MDN of calling party and mobile identification number, in described message early warning information, append the expansion display field, thereby in this territory, be loaded with MIN and send.
Useful result of the present invention is, when changing callee's MIN because of change mobile telecommunication service operator, by upgrade callee's MIN when calling out the callee, prevents in back calling and setting mistake and sluggish effect thereby have.Therefore in addition,, have and need not connection request information is made amendment, and send the effect that also can confirm with the MIN of updating call side at the signal that need not to append because be loaded with the MIN of calling party in the AWI message when called.In addition, because the size that makes number move the domain of dependence becomes 1 bit, thereby has the effect that reduces the message related to calls size.
Description of drawings
Fig. 1 is calling party message structure figure;
Fig. 2 moves calling party message constructive method precedence diagram in the service for number in the past;
Fig. 3 is that number of the present invention moves the calling party message constructive method precedence diagram in the service;
Fig. 4 is the signal flow graph when carrying out calling and setting when Pbook_MIN=0;
The signal flow graph of Fig. 5 when carrying out calling and setting when Pbook_MIN=1 (mobile communications operator of called mobile terminal is constant);
The signal flow graph of Fig. 6 when carrying out calling and setting when Pbook_MIN=1 the mobile communications operator of the called mobile terminal (change).
Embodiment
Below in conjunction with accompanying drawing embodiments of the invention are described in further detail.
Though in the calling party message of the present invention with prior art in the same being added with number move relevant territory (Pbook_MIN), its size is not 2 original bits, but 1 bit.The purposes of the value of setting of Pbook_MIN of the present invention is as shown in table 2.
[table 2]
| Pbook_MIN | Content (purposes) |
| 0 | The MDN that only includes the callee in the calling party message. |
| 1 | The MDN and the MIN that include the callee in the calling party message. |
Fig. 3 is a caller information constructive method precedence diagram of the present invention.
As shown in Figure 3, if the portable terminal of calling party attempts to call out certain callee's portable terminal, whether the MIN that at first judges corresponding callee is present in the telephone directory of portable terminal of calling party.
If callee's MIN is not present in the telephone directory, then be arranged to Pbook_MIN=0, only comprise callee's MDN and send message related to calls a.The base station of call accepted message at this moment, judges that from Pbook_MIN=0 callee's MIN has sent and utilizes MDN to search for MIN in the shared data bank server and find corresponding callee to carry out calling and setting.
Fig. 4 is the signal flow graph when carrying out calling and setting when Pbook_MIN=0.
Here, the MDN of lets call terminal (MS) is 111-111-1111, and MIN is 222-222-2222, and the MDN of hypothesis terminal called (MS) is 333-333-3333, and MIN is 444-444-4444.
At first, in calling terminal, constitute after the message related to calls of the MDN333-333-3333 only comprise the callee, above-mentioned call information is sent to above-mentioned calling terminal mobile telecommunication service operator by the base station.Receive the mobile telecommunication service operator search shared data bank server of message related to calls and find out after the MIN corresponding to MDN, connect callee's mobile telecommunication service operator.After connecting, callee's mobile telecommunication service operator sends calling (Paging) to terminal called, and terminal called is made above-mentioned calling and being replied.Make after the call answering, set connecting channel (trafficchannel) separately in calling party and callee, then the mobile telecommunication service operator of calling terminal sends to calling terminal and connects sound (RingBack Tone).Then, send the AWI message of MDN and the MIN comprise calling party to terminal called, and the incoming ring tone of terminal called sounds and the MDN111-111-1111 of show Calls side.In addition, MIN that receives and the calling party MIN that is stored in the terminal called telephone directory compare, and upgrade with the MIN that receives when inconsistent.
If callee's press-to-talk keyed jointing phone then sends connection request (Connect Order) to mobile telecommunication service operator, thus between calling terminal and terminal called set conversation passage and begin to converse (Conversation).
If callee's MIN is present in the telephone directory, then be arranged to Pbook_MIN=1, and handle includes callee's MDN and the message related to calls of MIN sends b.At this moment, the base station of call accepted information judges that from the information of Pbook_MIN=1 callee's MDN and MIN send, and because of the MIN that knows corresponding to MDN, therefore need not the shared data bank server is searched for, and directly utilize callee's MIN to be connected to the mobile telecommunication service operator that service is provided to the callee.
The signal flow graph of Fig. 5 when carrying out calling and setting when Pbook_MIN=1 (the mobile communication merchant of called mobile terminal is constant).
At first, in calling terminal, constitute after the message related to calls of the MDN333-333-3333 comprise the callee and MIN444-444-4444, above-mentioned call information is sent to above-mentioned calling terminal mobile telecommunication service operator by the base station.The mobile telecommunication service operator that receives message related to calls is because therefore known callee's MIN need not the shared data bank server is searched for, and finds out corresponding to the MIN of MDN and connects callee's mobile telecommunication service operator and directly utilize.After connecting, callee's mobile telecommunication service operator sends calling to terminal called, and terminal called is made above-mentioned calling and being replied.Make after the call answering, set connecting channel (traffic channel) separately in calling party and callee, then the mobile telecommunication service operator of calling terminal sends to calling terminal and connects sound (Ring Back Tone).Then, send the AWI message of MDN and the MIN comprise calling party to terminal called, and the incoming ring tone of terminal called sounds and the MDN 111-111-1111 of show Calls side.In addition, MIN that receives and the calling party MIN that is stored in the terminal called telephone directory compare, and upgrade with the MIN that receives when inconsistent.
If callee's press-to-talk keyed jointing phone then sends connection request (Connect Order) to mobile telecommunication service operator, thus between calling terminal and terminal called set conversation passage and begin to converse (Conversation).
More than till process basic identical with in the past method, if finish said process this moment, when the user changes mobile telecommunication service operator (promptly again, callee's the MIN that is stored in the telephone directory of calling terminal changes) and fail to carry out calling and setting, because can not upgrade telephone directory with the MIN that has changed, bid is set mistake then when calling and setting.
In order to prevent above-mentioned calling and setting mistake, the callee's who obtains connecting mobile telecommunication service operator, in the process of the position of seeking the callee, if the callee's that calling terminal sent MDN and MIN do not exist or not simultaneously, connect calling party mobile telecommunication service operator again, thereby can make calling party mobile telecommunication service operator can be connected to correct mobile telecommunication service operator.
Fig. 6 rechanges signal flow graph under mobile communications operator's the situation for callee when Pbook_MIN=1.That is, the MIN corresponding to callee's MDN333-333-3333 that stores in the telephone directory of calling terminal is 444-444-4444, and the MIN of callee's reality is 555-555-5555.
At first, in calling terminal, constitute after the message related to calls of the MDN333-333-3333 comprise the callee and MIN444-444-4444, above-mentioned call information is sent to above-mentioned calling terminal mobile telecommunication service operator by the base station, then directly connect the terminal called first mobile telecommunication service operator without the shared data bank server.Corresponding terminal called is searched in order to call out (Paging) by the first mobile telecommunication service operator that receives message related to calls.But because terminal called changed mobile telecommunication service operator, the therefore first mobile telecommunication service operator (444 operator) terminal that can not find the called, and above-mentioned actual notice calling terminal mobile telecommunication service operator.Calling terminal mobile telecommunication service operator search is used for the correct MIN that shared data bank server that number moves is sought the callee.Afterwards, connect again terminal called change the second mobile telecommunication service operator (555 operator), and after connecting, the second mobile telecommunication service operator sends calling to terminal called, and terminal called is made above-mentioned calling and being replied.Make after the call answering, respectively setting connecting channel (traffic channel) between calling terminal and the calling terminal mobile telecommunication service operator and between terminal called and the terminal called mobile telecommunication service operator, then the mobile telecommunication service operator of calling terminal sends to calling terminal and connects sound (Ring Back Tone).Then, the calling terminal mobile telecommunication service operator that has changed sends the AWI message of MDN and the MIN comprise calling party to terminal called, and the incoming ring tone of terminal called sounds and the MDN11-111-1111 of show Calls side.In addition, MIN that receives and the calling party MIN that is stored in the terminal called telephone directory compare, and upgrade with the MIN that receives when inconsistent.
If callee's press-to-talk keyed jointing phone then sends connection request (Connect Order) to mobile telecommunication service operator, thus between calling terminal and terminal called set conversation passage and begin to converse (Conversation).Like this, after between calling party and callee, set calling out,, add the process that sends AWI message by connecting channel to calling terminal for the renewal of the telephone directory of calling terminal.In said process, utilize original AWI the PI territory standby 11 send new MIN corresponding to callee's MDN to calling terminal.That is, set after the calling,, then do not seek the memory space store M IN of corresponding M DN, thereby be updated to new MIN to calling party transmission MIN if the PI territory that calling terminal receives is 11.
In addition, to shown in Figure 6, different as Fig. 4 with in the past method, terminal called by AWI message sink calling party MIN and do not upgrading simultaneously with the MIN that is stored in telephone directory.
That is, send incoming ring tone in the base station and in the AWI message that terminal called sends, be loaded with the MIN of calling party, thereby can make the MIN of terminal called updating call side.At this moment, because before setting calling, sent the information of calling party, therefore not to send the information of appending, show that (Extended Display) territory sends MIN but in the initial AWI message that sends, append to expand.That is, in the CHARi territory of basic AWI message, be loaded with MDN, and in the expansion display field, be loaded with MIN and transmission.Therefore, in the AWI message that the callee receives, include the expansion display field, and PI is at 11 o'clock, then shows MDN and under the situation that does not show MIN, be stored in the telephone directory.
Aforesaid the present invention when changing callee's MIN because of change mobile telecommunication service operator, by upgrade callee's MIN when calling out the callee, prevents in back calling and setting mistake and sluggish effect thereby have.
Therefore in addition,, have and need not connection request information is made amendment, and send the effect that also can confirm with the MIN of updating call side at the signal that need not to append because be loaded with the MIN of calling party in the AWI message when called.
In addition, because the size that makes number move the domain of dependence becomes 1 bit, thereby has the effect that reduces the message related to calls size.
Above embodiment only is used to illustrate these people's implementation process, but not is used to limit scope of the present invention.
Claims (3)
1. a number moves the calling and setting method in the service, it is characterized in that, be included in the mobile directory number, MDN and the mobile identification number that utilize the callee in the calling terminal and constitute message related to calls, and described message related to calls is sent to the step of the mobile telecommunication service operator of calling terminal;
Described calling terminal mobile telecommunication service operator utilizes the callee's who is included in described message related to calls mobile identification number to be connected to the step of the first mobile telecommunication service operator of terminal called;
If the described first mobile telecommunication service operator can not find described terminal called, then report the mobile telecommunication service operator of described calling terminal, and the mobile telecommunication service operator of described calling terminal searches in shared data bank after the new mobile identification number corresponding to described called mobile directory number, MDN again, is connected to the step of the second mobile telecommunication service operator of described terminal called;
The described second mobile telecommunication service operator finds described terminal called and sets after the connecting channel between described second mobile telecommunication service operator and described terminal called, sets the step of the connecting channel between described calling terminal mobile telecommunication service operator and the described calling terminal;
The mobile telecommunication service operator of described calling terminal sends to described calling terminal and connects sound, and the described second mobile telecommunication service operator sends to the mobile directory number, MDN of calling party and mobile identification number by the message early warning information step of described terminal called;
Described terminal called compares the mobile identification number of described calling party and the mobile identification number in the telephone directory and carry out updating steps when inconsistent;
Set after the calling between described calling terminal and terminal called, the mobile telecommunication service operator of described calling terminal sends to described callee's new mobile identification number by the message early warning information step of described calling terminal;
Described calling terminal will be stored in the step that mobile identification number in the calling terminal telephone directory is updated to described new mobile identification number.
2. a kind of number according to claim 1 moves the calling and setting method in the service, it is characterized in that, when constituting described message related to calls, if callee's MIN is not present in the telephone directory, then number is moved relevant territory and be set at 0, thereby formation only comprises the message related to calls of callee's mobile directory number, MDN; If callee's mobile identification number is present in the telephone directory, then number is moved relevant territory and be set at 1, thereby formation comprises the message related to calls of callee's mobile directory number, MDN and mobile identification number.
3. number according to claim 1 moves the calling and setting method in the service, it is characterized in that, by described message early warning information when described terminal called sends the mobile directory number, MDN of calling party, in described message early warning information, append the expansion display field, thereby in this territory, be loaded with mobile identification number and transmission.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020040016634A KR100556917B1 (en) | 2004-03-11 | 2004-03-11 | Call setup method in number moving service |
| KR1020040016634 | 2004-03-11 | ||
| KR10-2004-0016634 | 2004-03-11 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1668135A CN1668135A (en) | 2005-09-14 |
| CN100362901C true CN100362901C (en) | 2008-01-16 |
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ID=35038965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100800130A Expired - Fee Related CN100362901C (en) | 2004-03-11 | 2004-09-22 | A number mobile service calling and setting method |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR100556917B1 (en) |
| CN (1) | CN100362901C (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5764745A (en) * | 1995-12-15 | 1998-06-09 | Gte Laboratories Incorporated | Apparatus and method for local number portability using nongeographic subscriber numbers |
| WO1999040731A2 (en) * | 1998-02-09 | 1999-08-12 | Krone Management Und Technologie Gmbh & Co. Kg | System and method, especially for establishing telecommunications |
| CN1226368A (en) * | 1996-06-03 | 1999-08-18 | 艾利森公司 | System and method for number portability control in mobile communications network |
| CN1241339A (en) * | 1996-10-18 | 2000-01-12 | 艾利森电话股份有限公司 | Telecommunications network with portability of mobile subscriber number |
-
2004
- 2004-03-11 KR KR1020040016634A patent/KR100556917B1/en not_active IP Right Cessation
- 2004-09-22 CN CNB2004100800130A patent/CN100362901C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5764745A (en) * | 1995-12-15 | 1998-06-09 | Gte Laboratories Incorporated | Apparatus and method for local number portability using nongeographic subscriber numbers |
| CN1226368A (en) * | 1996-06-03 | 1999-08-18 | 艾利森公司 | System and method for number portability control in mobile communications network |
| CN1241339A (en) * | 1996-10-18 | 2000-01-12 | 艾利森电话股份有限公司 | Telecommunications network with portability of mobile subscriber number |
| WO1999040731A2 (en) * | 1998-02-09 | 1999-08-12 | Krone Management Und Technologie Gmbh & Co. Kg | System and method, especially for establishing telecommunications |
Also Published As
| Publication number | Publication date |
|---|---|
| KR100556917B1 (en) | 2006-03-03 |
| CN1668135A (en) | 2005-09-14 |
| KR20050091284A (en) | 2005-09-15 |
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