WO2000041422A1 - Dialling system in a mobile radio terminal after an international transfer - Google Patents
Dialling system in a mobile radio terminal after an international transfer Download PDFInfo
- Publication number
- WO2000041422A1 WO2000041422A1 PCT/FR1999/003324 FR9903324W WO0041422A1 WO 2000041422 A1 WO2000041422 A1 WO 2000041422A1 FR 9903324 W FR9903324 W FR 9903324W WO 0041422 A1 WO0041422 A1 WO 0041422A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- country
- terminal
- code
- international
- mcc
- Prior art date
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/26—Devices for calling a subscriber
- H04M1/27—Devices whereby a plurality of signals may be stored simultaneously
- H04M1/274—Devices whereby a plurality of signals may be stored simultaneously with provision for storing more than one subscriber number at a time, e.g. using toothed disc
- H04M1/2745—Devices whereby a plurality of signals may be stored simultaneously with provision for storing more than one subscriber number at a time, e.g. using toothed disc using static electronic memories, e.g. chips
- H04M1/27485—Appending a prefix to or inserting a pause into a dialling sequence
Definitions
- the present invention generally relates to an adaptation of telephone numbers in a radiotelephone terminal when it transits from an originating radiotelephone network to a foreign radiotelephone network.
- the original radiotelephone network is for example one of the three French national cellular radiotelephone networks (Public Land Mobile Network PLMN) GSM 900 / FRANCE TLECOM, GSM 900 / CEGETEL and DCS 1800 / BOUYGUES TELECOM, and the foreign radiotelephone network is for example located in Great Britain or in Germany.
- Public Land Mobile Network PLMN Public Land Mobile Network PLMN
- GSM 900 / FRANCE TLECOM GSM 900 / CEGETEL
- DCS 1800 / BOUYGUES TELECOM BOUYGUES
- the French national switched telephone network PSTN N is composed essentially of switches with autonomy of routing CAA and between these of switches of transit (not shown). Some of the switches CAA serve as gateways between switches in the mobile service MSC of the three aforementioned national radiotelephone networks RRN Q , RRN ⁇ and RRN 2 .
- One RRN Q of these three radiotelephone networks has its architecture more detailed in FIG. 1 and will be considered as the original network with the operator of which a subscriber carrying a mobile radiotelephone terminal MS has taken out a subscription.
- a switch of the mobile service MSC in the network RRN Q has a role equivalent to a switch CAA in the network PSTN N , and in addition manages the telephone communications for radiotelephone terminals mobile devices located at a given time in its location area.
- the MSC switch is associated with a VLR visitor location register which contains the subscription and temporary location characteristics of visitor mobile terminals, in fact removable SIM (Subscriber Identity Module) smart cards contained in visitor terminals.
- SIM Subscriber Identity Module
- Each MSC switch serves several fixed sub-networks (Network Sub-System NSS) each comprising a base station controller BSC managing the allocation of digital channels to the visiting mobile terminals, the powers of the base stations and inter-cell transfers between stations. based.
- Network Sub-System NSS Network Sub-System NSS
- Each BTS base station covers a radio cell where mobile terminals are located at the given time.
- the national radiotelephone network RRN 0 also includes a nominal location register HLR which contains in particular for each terminal MS subscribed to the network RRN 0 the international identity of the subscriber IMSI (International Mobile Subscriber Identity), the directory number of the MSISDN subscriber (Mobile Station ISDN Number), the subscription profile, and the number of the VLR visitor location recorder updated during each transfer from the MS terminal between two location areas in the RRN 0 network.
- the HLR recorder exchanges signals with the MSC / VLR switches / recorders through a signaling network with signaling channels SS7 (Signaling System Number 7).
- the VLR and HRL recorders are also connected to signaling points on the signaling network associated with the PSTN N switched telephone network, in particular for signaling communication establishments between a terminal of the network RRN- ⁇ and any other terminal of the fixed network PSTN N , or of one of the radiotelephone networks RRN 0 to RRN 2 .
- a "foreign" PSTN E switched telephone network for example British or German
- a foreign radio telephone network RR E served by the PSTN E network is also shown diagrammatically.
- the national network RTC N includes international transit switches CTI linked to foreign switched telephone networks, such as PSTN E network.
- Certain radiotelephone networks, such as the RRN 2 network have their own international transit center TSC.
- Each country is indicated in an international telephone number by a country code CC (Country Code) with one, two, three or four digits, for example 33 for France, 44 for Great Britain, 49 for Germany, 1 for the United States, 352 for Luxembourg, etc.
- CC Country Code
- Each subscriber has a unique MSISDN directory telephone number in the global numbering plan which is of the form CC NN where NN denotes the significant national number.
- NN is equal to I AB PQ MCDU, where I denotes the long distance code, i.e. the national destination code of the network to which the subscriber has subscribed, for example 1 for the Ile region from France, or 4 for the Southeast region, 6 for the national radiotelephone networks, and AB PQ MCDU the subscriber number assigned by the network operator.
- I denotes the long distance code, i.e. the national destination code of the network to which the subscriber has subscribed, for example 1 for the Ile region from France, or 4 for the Southeast region, 6 for the national radiotelephone networks
- AB PQ MCDU the subscriber number assigned by the network operator.
- FIG. 2 shows a numbering algorithm according to the prior art for the composition of a SET UP establishment message which is transmitted by the mobile terminal MS to the switch MSC after call validation by a specific key, for example a terminal keyboard navigation key, request for a radio channel, and exchange of authentication and encryption messages.
- a specific key for example a terminal keyboard navigation key, request for a radio channel, and exchange of authentication and encryption messages.
- a mobile radiotelephone terminal MS of a subscriber comprises a removable microprocessor module, called a SIM chip card connected to a bus of the digital microprocessor circuit in the terminal, the bus serving the keyboard, the screen and device terminals of the mobile terminal.
- the SIM smart card ( Figure 1) mainly contains a microprocessor, a ROM memory including the operating system of the card and specific application algorithms, a non-volatile EEPROM memory which contains all the characteristics linked to the subscriber such that the IMSI identity, the profile subscription, the list of numbers called with their names, security data (confidential code), etc., and a RAM memory used to process the data to be received from and transmitted to the digital circuit of the terminal.
- the algorithm of FIG. 2 is managed by the ROM memory in collaboration with the directory of telephone numbers and the last number dialed in the EEPROM memory, in order to compose the SET UP establishment message in the RAM memory.
- the subscriber chooses between manual dialing of the number of the called party NA written in the EEPROM memory in the next step E2, or else by selecting from the menu on the terminal screen, using keys or by voice commands if the terminal has a voice recognition device, the directory of telephone numbers already saved in EEPROM memory after having searched for the name of the called party in the next step E3.
- EN denotes a header which has one of the following three configurations:
- EN 00 CC, when the subscriber has dialed or selected an MSISDN number preceded by the international prefix 00 which is not accepted in all foreign PSTN E telephone networks, for example 00 49 NN for a called party in Germany, or 00 33 NN for a national called party in France;
- EN + CC, when the subscriber has dialed or selected an MSISDN number preceded by the international code +, symbol affixed to the star key * on the keyboard, which is recognized in all foreign PSTN E telephone networks, for example + 44 NN for a called party in Great Britain, or + 33 NN for a national called party in France.
- the next step E4 scans the format of the number called NA and in particular of the header EN after reading the number called NA in the EEPROM memory.
- the number called NA is in step E6 inserted without change in the SET UP message which is transmitted by the mobile terminal MS to the switch of the mobile service MSC to which it is provisionally attached, in step final EF.
- the TON field in the SET UP message is read in order to insert the significant national or international number in the call message to the other switches in the direction of called.
- the subscriber who is used to storing called party numbers in his country of origin in the open format 0 NN will be tempted to validate the reading of such numbers, and after receiving an invalidation message or having conversed with an undesired stranger called, will be forced to renumber, or to a new memorization in EEPROM memory with the format 00 CC 0 NN or + CC 0 NN.
- the present invention remedies these drawbacks when the subscriber travels abroad, so that any number called from the country of origin already stored in the mobile radiotelephone terminal or dialed in the open format 0 NN is put in the form of an international number CCg NN for the country of origin, without disturbing or modifying the number adaptation functionalities in the foreign switches MSC E and CAA E and national switches CAA and MSC crossed by the call messages from of the radiotelephone terminal.
- a dialing process in a radiotelephone terminal is characterized by the following step when a called number is not an international number: automatically add a country of origin code to the beginning of the called number .
- the addition of the code of the country of origin, or of the country of residence, of the subscriber possessing the radiotelephone terminal can be carried out when dialing the national called number to the format opened by means of the terminal keyboard or by voice recognition in the terminal, i.e. the step of adding precedes a writing of the called number, as the last number dialed, in a memory of the terminal .
- the dialing method further comprises the following steps when a called number is not an international number:
- the number called is first dialed and read in the memory of the terminal, or is read in the directory of telephone numbers already stored in the memory of the terminal, and the step of comparing follows the reading of the number called in the terminal memory.
- the country code of origin is read, either in a subscriber identity stored in the terminal and frozen as soon as the subscription is subscribed, or in a specific field of a memory of the terminal which is programmable by the subscriber in order to preferably introduce the country code of residence for which many telephone numbers are stored in the terminal, rather than the country code of the subscription contained in the subscriber identity and which may be different from the country code of the country of residence.
- the code of the country where the terminal is located is read in a location area identity stored in the terminal and updated with each location area transfer and therefore particularly during a transfer from a national network to a network. foreigner or vice versa.
- the method comprises the following steps before the step of comparing, selecting a radiotelephone network of the country where the terminal is located in a table of networks stored in the terminal, and reading the code of the country where the terminal is located. terminal in the table corresponding to the selected network.
- the select step involves the subscriber and this variant is semi-automatic compared to the first variant relating to the reading of the country code in the location zone identity which is automatic.
- a long distance prefix is included at the beginning of the called number.
- the method then includes removing the long distance prefix from the called number before the adding step.
- the method may include removing the long distance prefix from the called number before the step of adding when the country codes compared are different.
- the code of the country of origin is preferably read in a specific field of a programmable memory of the terminal, or according to said other embodiment, can be read in correspondence with the country code source in a country table stored in the terminal.
- the number called processed is inserted into an establishment message which contains a number type field, that is to say indicating the open or international format.
- the method then includes setting the number type field to an international format state when the country codes compared are different.
- the method comprises a step of adding an international code to the beginning of the called number in order to write it as an international number in a memory of the terminal, especially in place of the initial called number when it is already registered in the directory of telephone numbers.
- the international prefix or code is removed from the called number.
- the number type field is set to an international format when the called number is a number preceded by the prefix or international code.
- the step of comparing follows a reading of the called number in a memory of the terminal.
- the invention also relates to a radiotelephone terminal or a subscriber identity module insertable into a radiotelephone terminal comprising a memory numbering algorithm for implementing the numbering method according to the invention.
- - Figure 1 is a schematic block diagram of radiotelephone networks in the context of international telephone communication, already discussed;
- - Figure 2 is a numbering algorithm in a mobile radiotelephone terminal according to the prior art already discussed;
- FIG. 3 is a numbering algorithm in a mobile radiotelephone terminal according to the invention.
- the subscriber traveling abroad, outside his country of origin, France wishes from his mobile radiotelephone terminal located in MS '( Figure 1) to request the establishment of a telephone communication with a called party located in the subscriber's country of origin, without changing their dialing habits, the subscriber dials on the keyboard, or if necessary by dictation, the number of this called party in step E2, or searches for the name of this called party, if necessary by dictation, in the directory of the SIM card of his terminal MS and validates it to display the number of the called party on the screen of the terminal MS in step E3.
- the MSC switch E of the foreign radiotelephone network RR E removes the prefix 0 from the NA number received in the SET UP establishment message (step E ⁇ ) according to the prior art, so that the foreign telephone network PSTN E establishes a call with an unwanted called party located in the country where the subscriber is located, or does not recognize the prefix 0 and therefore refuses to establish the requested communication. In any case, the subscriber does not communicate with the called party called in the country of origin according to the prior art.
- MCC Q code Mobile Country Code
- MCC 0 208 for France
- the IMSI identity also contains in a second field, the code MNC 0 (Mobile Network Code) of the radiotelephone network of origin RRN 0 on which the subscriber depends.
- step S2 instead of reading the MCC Q code of the country of origin in which the subscriber has subscribed, step S2 reads a specific field in the EEPROM memory where the subscriber has stored the country code where the subscriber usually resides, which may be different from the country where the subscriber has subscribed.
- Step S3 determines the country where the subscriber's terminal is located at the time when it requests the establishment of the call.
- the BTS base stations (FIG. 1) periodically broadcast the identities of their location zones in respective beacon channels (Broadcast Control CHannel BCCH).
- the identity of a Location Area Identification includes in particular an MCC 0 , MCC E (Mobile Country Code) code three digits from the country where the base station is located, and more generally where the location area
- MSC E where the base station is located as well as an MNC Q , MNC E (Mobile Network Code) code of the radiotelephone network RRN 0 , RR E which includes the base station.
- the subscriber's mobile terminal periodically scans the beacon channel of the cell where it is located.
- the radiotelephone terminal decides to change (handover) of cell during the periodic measurement of the carrier frequencies communicated by the list contained in the beacon channel on which it is calibrated, the radiotelephone terminal saves the LAI identity of the new cell in EEPROM memory on which it has just stalled, and communicates its location to the old VLR visitor location recorder, VLR E.
- the list of beacon channels no longer contains in their LAI identities the MNC number of the network radiotelephone of RRN Q origin.
- the mobile terminal MS searches in the carrier frequencies for radiotelephony, the best received beacon channel.
- the LAI E identity of the new location area for this beacon channel is automatically saved in EEPROM memory, in particular the country code MCC E and the code MNC E of the foreign network RR E.
- step S3 reads the country code MCC E from the location zone identity LAI recorded in the EEPROM memory during the last zone transfer.
- the EEPROM memory of the SIM card previously recorded during the subscription a list of MNC E codes of foreign radiotelephone networks RR E with the names of the corresponding countries, networks whose operators have for example contracted agreements cooperation with the operator of the original network RRN 0 .
- the subscriber selects on the screen the foreign network RR E of the country in which he is located.
- Step S3 then reads the code MCC E of the country over which the selected foreign network extends and the code MNC E of the selected foreign network, so that the terminal MS 'selects a traffic channel for this network.
- step S4 MCC 0 is different from MCC E , the subscriber is outside his country of origin, or his country of residence.
- step S6 the TON field initially at 0 for the open format changes to 1 for the international format.
- the TON field can for example be set to 1 before step E4, and toggled to 0 only when performing step E6 'or S5.
- step S7 the long distance prefix 0 is removed from the called number NA which becomes the significant national number NN.
- the code of the country of origin or of residence CC Q is read in correspondence with the country code MCC 0 in a table of the EEPROM memory previously recorded which matches the codes of foreign countries MCC g , MCC E to country codes CCg / CC E , respectively, or is read in a specific field of the EEPROM memory.
- the country code CC 0 thus read is added at the head of the national number NN.
- the establishment message is sent to the switch MSC E temporarily attached to the terminal MS 'in step EF.
- the invention provides in step S9 to add to the significant international number CC 0 NN the international code + and to write the called number + CCg NN in the memory directory EEPROM of the SIM card instead of the initial number 0 NN.
- these numbers will be stored in international format and will be processed quickly by steps E7 , E8 and E9.
- step S7 to remove the long distance prefix 0, step S8 to add the country of origin or residence code CC Q and the supplement to step S9 to write the called number in international format + CC 0 NN, are carried over to step E2 before completely writing the called number converted in international format into the EEPROM memory of the SIM card of the mobile radiotelephone terminal.
- the method of FIG. 3 comprises the succession of steps S7, S8 and the complement of step S9 corresponding to the writing in step E2, the validation and reading of step E4, and steps E7, E8 and E9 when the dialed number dialed is a national number starting with the long distance prefix 0.
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000593048A JP2002534929A (en) | 1998-12-31 | 1999-12-28 | Numbering on mobile radiotelephone terminals after international transfer |
AU30499/00A AU3049900A (en) | 1998-12-31 | 1999-12-28 | Dialling system in a mobile radio terminal after an international transfer |
EP99964748A EP1142393A1 (en) | 1998-12-31 | 1999-12-28 | Dialling system in a mobile radio terminal after an international transfer |
CA002388219A CA2388219A1 (en) | 1998-12-31 | 1999-12-28 | Dialing in a mobile radio telephone after an international transfer_ |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9816731A FR2788190B1 (en) | 1998-12-31 | 1998-12-31 | NUMBERING IN A MOBILE RADIOTELEPHONE TERMINAL AFTER AN INTERNATIONAL TRANSFER |
FR98/16731 | 1998-12-31 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2000041422A1 true WO2000041422A1 (en) | 2000-07-13 |
Family
ID=9534762
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR1999/003324 WO2000041422A1 (en) | 1998-12-31 | 1999-12-28 | Dialling system in a mobile radio terminal after an international transfer |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP1142393A1 (en) |
JP (1) | JP2002534929A (en) |
CN (1) | CN1332942A (en) |
AU (1) | AU3049900A (en) |
CA (1) | CA2388219A1 (en) |
FR (1) | FR2788190B1 (en) |
WO (1) | WO2000041422A1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2385234A (en) * | 2002-02-08 | 2003-08-13 | Francis Cagney | Telephone number modification |
EP1441557A3 (en) * | 2003-01-22 | 2005-02-02 | Samsung Electronics Co., Ltd. | Mobile terminal for automatically managing the country code and method for storing/finding a phone number using the same |
US7062034B2 (en) | 2004-08-13 | 2006-06-13 | Sharp Laboratories Of America, Inc. | International call prefix identification and formatting |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3910764B2 (en) * | 1999-08-18 | 2007-04-25 | 株式会社東芝 | Mobile radio terminal device |
GB2365675B (en) * | 2000-02-18 | 2004-06-23 | Sensei Ltd | Mobile telephone with improved man-machine interface |
AU2001232530A1 (en) * | 2000-02-23 | 2001-09-03 | Telefonaktiebolaget Lm Ericsson (Publ) | Plus code dialing compatibility using win trigger |
DE10101833A1 (en) * | 2001-01-17 | 2002-07-25 | Mannesmann Ag | Chip card for mobile telephone for authentification in RF telephone network, includes matching device for matching directory number assigned for short message/dialing to local RF network conditions |
EP1239650A1 (en) * | 2001-03-09 | 2002-09-11 | Inventec Appliances Corp. | Phone book intelligent dialing method |
US7715829B2 (en) | 2004-12-13 | 2010-05-11 | Qualcomm Incorporated | Method and apparatus for supporting enhanced international dialing in cellular systems |
KR100938343B1 (en) | 2007-05-18 | 2010-01-22 | 주식회사 케이티 | Method for providing roaming service of international call and mobile terminal for the same |
JP5670954B2 (en) * | 2012-05-09 | 2015-02-18 | 株式会社Nttドコモ | Dial number processing device, dial number processing method, dial number processing program, and dial number search device |
JP6476817B2 (en) * | 2014-12-12 | 2019-03-06 | アイシン精機株式会社 | Piston for internal combustion engine and method for manufacturing piston for internal combustion engine |
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EP0526832A2 (en) * | 1991-07-30 | 1993-02-10 | Nec Corporation | Mobile unit with speed dialing feature for cellular telephone network |
EP0530010A2 (en) * | 1991-08-28 | 1993-03-03 | Nokia Mobile Phones Ltd. | Telephone with abbreviated dialling |
US5455858A (en) * | 1993-10-01 | 1995-10-03 | Apple Computer, Inc. | Method for automatically composing a telephone dialing string |
EP0805609A2 (en) * | 1996-05-03 | 1997-11-05 | Hewlett-Packard Company | Method and apparatus for tracking identity-code changes in a mobile communications system |
DE19638411A1 (en) * | 1996-09-19 | 1998-04-02 | Siemens Ag | Process for reshaping election information and arrangement for carrying out the process |
-
1998
- 1998-12-31 FR FR9816731A patent/FR2788190B1/en not_active Expired - Fee Related
-
1999
- 1999-12-28 EP EP99964748A patent/EP1142393A1/en not_active Withdrawn
- 1999-12-28 CN CN99815278A patent/CN1332942A/en active Pending
- 1999-12-28 CA CA002388219A patent/CA2388219A1/en not_active Abandoned
- 1999-12-28 WO PCT/FR1999/003324 patent/WO2000041422A1/en not_active Application Discontinuation
- 1999-12-28 AU AU30499/00A patent/AU3049900A/en not_active Abandoned
- 1999-12-28 JP JP2000593048A patent/JP2002534929A/en not_active Withdrawn
Patent Citations (5)
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EP0526832A2 (en) * | 1991-07-30 | 1993-02-10 | Nec Corporation | Mobile unit with speed dialing feature for cellular telephone network |
EP0530010A2 (en) * | 1991-08-28 | 1993-03-03 | Nokia Mobile Phones Ltd. | Telephone with abbreviated dialling |
US5455858A (en) * | 1993-10-01 | 1995-10-03 | Apple Computer, Inc. | Method for automatically composing a telephone dialing string |
EP0805609A2 (en) * | 1996-05-03 | 1997-11-05 | Hewlett-Packard Company | Method and apparatus for tracking identity-code changes in a mobile communications system |
DE19638411A1 (en) * | 1996-09-19 | 1998-04-02 | Siemens Ag | Process for reshaping election information and arrangement for carrying out the process |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2385234A (en) * | 2002-02-08 | 2003-08-13 | Francis Cagney | Telephone number modification |
EP1441557A3 (en) * | 2003-01-22 | 2005-02-02 | Samsung Electronics Co., Ltd. | Mobile terminal for automatically managing the country code and method for storing/finding a phone number using the same |
US7245911B2 (en) | 2003-01-22 | 2007-07-17 | Samsung Electronics Co., Ltd. | Mobile terminal for automatically managing country code and method for storing/finding phone number using the same |
US7418262B2 (en) | 2003-01-22 | 2008-08-26 | Samsung Electronics Co., Ltd | Mobile terminal for automatically managing country code and method for storing/finding phone number using the same |
US7062034B2 (en) | 2004-08-13 | 2006-06-13 | Sharp Laboratories Of America, Inc. | International call prefix identification and formatting |
Also Published As
Publication number | Publication date |
---|---|
JP2002534929A (en) | 2002-10-15 |
FR2788190A1 (en) | 2000-07-07 |
FR2788190B1 (en) | 2001-02-23 |
CN1332942A (en) | 2002-01-23 |
CA2388219A1 (en) | 2000-07-13 |
EP1142393A1 (en) | 2001-10-10 |
AU3049900A (en) | 2000-07-24 |
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