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WO2007012881A1 - Services de telephonie mobile - Google Patents

Services de telephonie mobile Download PDF

Info

Publication number
WO2007012881A1
WO2007012881A1 PCT/GB2006/002851 GB2006002851W WO2007012881A1 WO 2007012881 A1 WO2007012881 A1 WO 2007012881A1 GB 2006002851 W GB2006002851 W GB 2006002851W WO 2007012881 A1 WO2007012881 A1 WO 2007012881A1
Authority
WO
WIPO (PCT)
Prior art keywords
user
identity module
sending
telephone number
message
Prior art date
Application number
PCT/GB2006/002851
Other languages
English (en)
Inventor
Kamal Jit Singh
Yee Khuen Tan
Original Assignee
British Telecommunications Public Limited Company
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by British Telecommunications Public Limited Company filed Critical British Telecommunications Public Limited Company
Publication of WO2007012881A1 publication Critical patent/WO2007012881A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/26—Network addressing or numbering for mobility support
    • 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
    • H04M3/42008—Systems for anonymous communication between parties, e.g. by use of disposal contact identifiers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/18—Processing of user or subscriber data, e.g. subscribed services, user preferences or user profiles; Transfer of user or subscriber data

Definitions

  • the present invention relates to methods and systems for enabling communications services to be offered to customers.
  • this invention relates to methods and systems for providing one or additional numbers for voice or messaging telephony services in a mobile network for a user of a mobile telephony device.
  • Some users may have a different but related concern about revealing their permanent number in relation to a particular event or activity. They may not wish for people who do know them and would recognise their permanent number to associate them with the event or activity in question.
  • One example of such a situation is when an employee wishes to publicise their desire to be contacted by potential future employees without wanting to alert acquaintances or colleagues at their present place of employment who may know- and by chance recognise their permanent number.
  • a phone user may wish to have the use of a second number for incoming and/or outgoing calls for a certain period of time (a few days, weeks or months, for example), possibly with at least some option of a level of anonymity.
  • a user may of course change from one "permanent" number to another sometimes, perhaps on account of a wish to "leave behind" a number that has become known to unwanted callers who are abusing the number, or simply on account of a wish to use a mobile phone number associated with an account with a different mobile phone provider in the same or a different country, although it is generally possible for users to keep the same mobile number when transferring their account from one mobile phone services provider to another, so it is in fact common for a user's mobile phone number to be "more permanent" than that user's contractual relationship with any particular service provider.
  • a landline number may be thought of as a permanent number, but users are often forced to change their landline number as a result of a move to a new residential address in a different region, even in the same country.
  • a landline number may be thought of as a permanent number, but users are often forced to change their landline number as a result of a move to a new residential address in a different region, even in the same country.
  • three or more "permanent" numbers at any time such as a "work” number, a "home” number, and a mobile number.
  • SIM card Subscriber Identity Module
  • Dual SIM Card Slot or Dual SIM Card Holder
  • Figures 1 (a) and 1 (b) An option available to a user with only one handset would be to use a Dual SIM Card Slot, or Dual SIM Card Holder, a representation of which is shown in Figures 1 (a) and 1 (b).
  • a dual SIM card holder 1 the user can have two SIM cards 3 in their mobile phone 2 via a dummy SIM card 4 which fits in the housing normally used for a single SIM card, enabling the user to select between two different networks or two different accounts.
  • the user may change between SIM cards by turning the phone off and on (hardware control), or appropriate software may allow the user to select the SIM card they prefer to use at any time (software control).
  • Dual SIM card holders allow the user to operate two lines and two numbers (for example a business number and a personal number), and it appears that a triple SIM card holder may be available at the time of filing this application, but at this time the applicant is not aware of any such device that enables the number of SIM cards to be greater than three, let alone unlimited. Space considerations in particular provide a physical limit as to the number of SIM cards that could be held within a handset. Further to this, the procedure for obtaining an additional SIM card is as complex if the SIM card is to be used only for a short period as it is if the SIM card is to be used for the user's permanent number.
  • United States application US 2004/0176092 relates to the field of mobile radio telephony, and in particular to roaming. It refers to a communication method for logging a subscriber into a visited partner communication network, in particular a mobile radio network, an identification module, in which a subscriber identification outside the number range of the visited partner communication network is stored, being connected to communication terminal of the subscriber.
  • US 5,933,785 discloses a method for concurrent registration of two identification numbers using a multi-number SIM card, involving use of a specially re-configured SIM card.
  • European patent application EP 1 528 827 also relates to the field of mobile telephony, and discloses a method for making subscriber information module (SIM) toolkit proactive commands available to applications running on a virtual operating system on a mobile telephony device. It explains that the mobile phone includes two virtual environments, which may be two separate Java environments, one of which is a J2ME virtual operating system running on the handset itself. While maintaining that it is possible to customise the J2ME virtual operating system so that it is able to operate the hardware of the specific model, it is acknowledged that such customisation is difficult.
  • SIM subscriber information module
  • US 6,327,353 discloses a method for permitting temporary use of a "virtual" telephone number, involving directing calls made to the virtual telephone number to the same land-line as calls made to the normal number of that land- line.
  • FIG. 1 illustrates a part of a Home Location Register (HLR) relating to a particular SIM card.
  • HLR Home Location Register
  • the Home Location Register can be thought of as a central database that contains details relating to mobile phone subscribers that are authorised to use the mobile network.
  • the HLR stores details of every SIM card issued by a particular mobile phone operator.
  • Each SIM card has a unique identifier called an International Mobile Subscriber Identity or "IMSI”, which is one of the primary keys to each HLR record.
  • IMSI International Mobile Subscriber Identity
  • MSISDN Mobile Station Integrated Services Digital Network
  • SMS Short Message Service
  • HLR Home Location Register
  • TMSI Temporary Mobile Subscriber Identity
  • GPRS General Packet Radio Services
  • VLR Visit Location Register
  • SGSN Serving GPRS Support Node
  • the HLR data is generally stored for as long as a subscriber remains with a particular mobile phone operator. Further information on this is available from the following site, for example: http://en.wikipedia.org/wiki/GSM core network
  • None of the above technologies provide a simple manner in which a user may obtain a second number for an agreed temporary period that may be used for voice calls or messaging in a mobile network without the need for specific hardware to be obtained and used or installed, and without the need for the user to reveal their permanent number to potential callers or message senders, or to compromise their anonymity.
  • a method in a mobile network of associating an additional number for voice or messaging telephony services with an existing identity module said identity module being removably associated with a mobile telephony device and already having associated therewith a first number for voice or messaging telephony services, said method comprising the steps of: receiving from a user a request for an additional number to be associated with said existing identity module; in response to receipt of such a request for an additional number to be associated with said existing identity module, associating an additional number with the identity module, and sending a notification to said user, said notification including an indication of said additional number; in the event of a subsequent attempt to make a voice call to or send a message to said user by virtue of said additional number during an agreed period of time, arranging for said call or said message to be directed to the mobile telephony device with which said identity module is associated.
  • a system arranged to provide an additional number service in a mobile network in accordance with the above method for users having a mobile telephony device, an existing identity module removably associated therewith, and a first number for voice or messaging telephony services.
  • a mobile phone service provider is able to provide a service that allows a mobile phone services customer having existing use of a permanent mobile phone number by means of a SIM card and an associated mobile phone handset temporarily to have concurrent use of one or more additional numbers without the need for an additional SIM card, an additional account or an additional mobile phone handset, while preserving the option of not revealing the permanent mobile phone number to potential calling or called parties.
  • the customer may apply for a temporary mobile number by sending an SMS message to their existing service provider, possibly stating the duration the temporary number is required.
  • the service provider may then respond with a reverse-charge SMS message, sending the customer an indication of a temporary number valid for an agreed duration.
  • the customer can then advertise or use the temporary number for any required and/or permitted purpose.
  • the customer (or user) may apply for more than one such temporary number, and theoretically an unlimited amount of such temporary numbers in this manner, for periods that may correspond or overlap.
  • a caller such as someone responding to an advertisement placed by the user, calls using a temporary number
  • the call is redirected to the user's handset containing the SIM card associated with the user's actual or permanent number.
  • a notification on the user's mobile phone may indicate that the call was in fact made to their temporary number. If the user currently has more than one temporary number, such a notification may indicate to which of the temporary numbers the call was in fact made.
  • the caller's number or identification may also be displayed, or may be stored.
  • the customer may launch an application on his phone that shows him the active temporary numbers. The customer may scroll to the desired one and select it to make his outgoing call. This allows anonymity to be kept for both incoming and outgoing calls.
  • the customer may be charged by his existing service provider for each temporary number according to the duration for which it is active, or according to the amount of use made of it, or according to a combination of these and possibly other factors.
  • the customer Before a temporary number is due to expire, the customer may be sent an SMS message asking if the customer wishes to extend the period for which the temporary number is active.
  • preferred embodiments of the invention may assist a customer in maintaining anonymity and avoiding the risk of his permanent number being abused later following disclosure thereof to strangers, some preferred embodiments of the invention may in fact allow a customer to abuse the use of a temporary number and subject others to unwanted anonymous calls.
  • Telephone Service Providers may not wish to offer a service that allows such abuse, or use in certain other contexts, such as using a temporary number when buying mobile content, or when conducting mobile financial transactions such as "m-Banking".
  • m-Banking mobile financial transactions
  • a further preferred embodiment of the invention may be offered in such a way as to prevent such problems, which will be referred to as the "One-directional Callback Model".
  • the Permanent Number is generally a user's existing, permanent, actual mobile number, and thus that any temporary numbers will make use of the functionality of the mobile phone handset containing the SIM card associated with the user's existing, permanent mobile number.
  • Figure 1 shows a Dual SIM Card Holder next to a mobile phone with the rear cover removed;
  • Figure 1 shows a Dual SIM Card Holder installed in a mobile phone with the rear cover open;
  • Figure 2 shows indicates the types of information that may be stored in a Home Location
  • Figure 3 shows the steps that may be taken when a user applies for a temporary number according to a preferred embodiment of the present invention
  • Figure 4 shows illustrates a Home Location Register storing information relating to two temporary numbers provided according to an embodiment of the present invention
  • Figure 5 shows the steps that may be taken when a user makes a Callback Request according to an embodiment of the present invention
  • Figure 6 shows the steps that may be taken when a user receives a call to a temporary number provided according to an embodiment of the present invention
  • Figure 7 shows the steps that may be taken when a user sends an SMS message from a temporary number provided according to an embodiment of the present invention.
  • Step 1 the user (Subscriber) writes an SMS message requesting a new Temporary Number.
  • the SMS message may appear as follows: "BUY TEMPNO 01234567890" indicating that the user wishes to have the use of additional number "01234567890" as a temporary number. Alternatively, the user may simply request any additional number and accept whatever number may be offered. This is then sent to the service provider, possibly using a dedicated SMS Short-Code having five digits, e.g. 39000.
  • the SMS is be routed to a Subscription Server via a Short Message Service Centre (SMSC).
  • SMSSC Short Message Service Centre
  • the Short Message Service Centre may be installed at the network operator's premises or at a Base Station (BS). It acts as an SMS application server.
  • the functions of the SMSC may include:
  • Step 2 the Subscription Server captures the following information for processing:
  • the Originating Number i.e. the sender's Mobile Number
  • the Subscription Server communicates with the USSD server according to the Short Message Peer to Peer (SMPP) protocol.
  • SMPP Short Message Peer to Peer
  • the SMPP is an open, industry standard protocol designed to provide a flexible data communications interface for transfer of short message data between a Message Centre, such as a Short Message Service Centre (SMSC) and a GSM USSD server.
  • SMSC Short Message Service Centre
  • GSM USSD server Global System for Mobile communications
  • Step 3 the USSD server validates the Originating Number and the requested Temporary Number. If the Temporary Number has not already been taken, it is inserted into the HLR database under the Originating Number's IMSI node. Alternatively, if the user has not requested a particular number, the USSD server simply selects a number that has not already been taken and inserts this into the HLR database under the Originating Number's IMSI node.
  • Step 4 once the Temporary Number request has been successful, the Subscription Server sends a Premium Charged SMS (MT) to the subscriber as an acknowledgement.
  • MT Premium Charged SMS
  • This may be used by the Service Provider in order to ensure that the customer pays for the setting up of a new number before being able to use it.
  • a J2ME Application which may be referred to as the "Mini Client” may be forwarded to the subscriber, particularly if this is the first time he/she uses the service. This may be used to provide appropriate software on the user's mobile handset enabling the user to select between the permanent number and a temporary number when making outgoing voice calls or sending SMS messages, for example, thus avoiding the need for any hardware modifications to be made to the handset.
  • J2ME which stands for “Java 2 Platform, Micro Edition” and is also known as “Java ME”
  • Java ME Java application programming interfaces
  • a new temporary number will have been chosen and allocated to the user, and information, at least, relating to the temporary number will have been sent to the user and inserted into the HLR database under the user's IMSI node.
  • a period of use for the temporary number may be set up as a predetermined period (three months, for example) for a predetermined cost.
  • a set period one month, for example
  • HLR Home Location Register
  • the user may now make use of the temporary number to make or receive voice calls, or to send or receive SMS messages, for example.
  • this shows the steps that may be taken when a user makes a Callback Request.
  • the J2ME Client may use Short Message Peer to Peer (SMPP) protocol interacting with the USSD server.
  • SMPP Short Message Peer to Peer
  • the subscriber runs the J2ME client on the mobile phone.
  • the client application communicates with the USSD server to request the Temporary Number List for the user. It will be noted that if a user is currently holding more than one temporary number with the service provider in question, this list contains all of the user's currently operational Temporary Numbers. The above functions are shown as Steps 1 and 2 of Figure 5.
  • Step 3 the USSD server queries the HLR Database.
  • Step 4 the Temporary Number List is returned to the J2ME Client.
  • Step 5 once a start-up process is complete, the user may see a list of numbers displayed on his mobile phone display, according to a function enabled by the J2ME client. The user may then: 1. Choose a Temporary Number, and
  • Option 1 may be set out as "Choose from Temporary Number(s) and Permanent Number", or more simply, “Choose from Available Numbers”.
  • Step 6 the subscriber selects "Make Callback Request" (see Step 6), and the request is forwarded to the USSD server.
  • Step 7 the USSD server generates a Callback Request and sends it to the Recipient.
  • the Callback request can be in the form of:
  • IVR Interactive Voice Response
  • the recipient may then call the user, using the user's temporary number, thus removing the need for the user to disclose their permanent number to the recipient.
  • a caller When a caller makes an Incoming Call to a subscriber using a temporary number of that subscriber, it is translated back to the IMSI at the HLR, thus enabling the call to be delivered to the subscriber's mobile phone.
  • MSISDN mobile phone number
  • the HLR verifies the subscription records to ensure that the call can be delivered to the last known location of the subscriber. Referring to Figure 6, steps that may be taken when a user receives a call to a temporary number are explained.
  • the caller may have received information relating to the temporary number from a text message from the subscriber as set out earlier, or may have received an advertisement placed by the subscriber giving the temporary number in some form, we will refer to the calling user as the "recipient" for the sake of consistency, although it will be noted that the calling user may simply have received an indication of the temporary number, and is not in fact the recipient in relation to the call made.
  • Step 1 a recipient/caller calls the Temporary Number (for example seen in an advert, given in an SMS, or by giving an appropriate answer interpreted as "Yes" to an IVR call, causing the call to be diverted to the subscriber).
  • the Temporary Number for example seen in an advert, given in an SMS, or by giving an appropriate answer interpreted as "Yes" to an IVR call, causing the call to be diverted to the subscriber.
  • Step 2 a Mobile Switching Centre (MSC) (not shown) interfacing with the HLR consults the HLR to find the Actual Mobile Number to route the call to.
  • the Temporary Number is used to search for the IMSI root. Once the IMSI root is found, the Actual Mobile Number can be obtained.
  • a call is directed to the subscriber (Step 3), and the subscriber may answer the call (Step 4).
  • the system may be set up to show the subscriber the number from which the calling user is making the call, and/or an indication of the number (temporary or permanent) that the calling user believed the call was being made to. This may be of particular importance if the subscriber has more than one temporary numbers relating to different activities or events, and wishes to know which of these any particular incoming call relates to before answering the call. ⁇
  • the Subscriber To use the Temporary Number, the Subscriber first runs the J2ME client on the mobile phone. If the Temporary Number List is outdated, it can be updated at this stage. This is shown as Step 1. As shown in Step 2, at the client application start up, it will communicate with the USSD server to request for the Temporary Number List. This list contains the user's current and complete list of Temporary Numbers. In Step 3, the USSD server queries the HLR Database. The Temporary Number List is returned to the J2ME Client in Step 4.
  • Step 5 once the start up process is completed, the subscriber may see a list of numbers displayed by virtue of the J2ME client. The user can then:
  • the J2ME Client may auto- insert a line of text at the end of the SMS message: "XXXXX XXXX XXXX x xxxx xxxxxx xxxxx
  • the user's permanent number may also appear in the displayed list of numbers, in which case Option 1 above may be set out as "Choose from Temporary Number(s) and Permanent Number", or more simply, “Choose from Available Numbers”.
  • Step 6 the subscriber selects "Send SMS" as a request.
  • the complete formed SMS message together with the recipient number is then forwarded to the USSD server, which extracts the recipient number and forwards the SMS message to the Recipient.
  • Step 7 the Recipient receives the SMS from what may appear as a dedicated short- code number (e.g. 32001) rather than from the subscriber's temporary number or actual/permanent number.
  • USSD is a session oriented protocol, which is not a store and forward Service. USSD requests are processed instantaneously in contrast to SMPP (like SMS) requests which are stored for transmission on the SMSC.
  • SMPP like SMS
  • the USSD Broadcast Centre may be built on an open platform providing industry standard connectivity to mobile applications. It can be easily integrated by using SMPP, Karinel HTTP, XML and WAP/WML application.
  • Some network operators offer "Pre-paid Roaming Call Back". With this service, a mobile user can send a notification to another user asking to be called back when the prepaid customer is out of credit.
  • the request is simply sent by a USSD code including the phone number of the other party, for instance: ⁇ #11 *123456789# >.
  • the receiving party receives an SMS message with a message "Please call me back on 987654321".
  • each user can enter a personalised message from a USSD menu, e.g. "Hi, it's Sophie. Can you please call me back on 987654321. Thanks in advance! ; - ) "
  • the USSD short/service code may be very short and simple, such as #11 , #123, #100. J2ME Mobile Applications
  • Mini Client In order to provide the subscribers to a Temporary Numbers service with a user-friendly tool to manage their subscribed temporary numbers, a J2ME Mobile Application (Mini Client) may be used.
  • the Mini Client may provide the following three functionalities, and possibly others:
  • the user can view a list of subscribed temporary numbers. Alternatively this list may also include the user's permanent number.

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Databases & Information Systems (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Telephonic Communication Services (AREA)

Abstract

L'invention concerne un procédé dans un réseau mobile destiné à associer un numéro supplémentaire pour les services de téléphonie vocale ou de messagerie à un module d'identité existant, ledit module d'identité étant associé amovible à un dispositif de téléphonie mobile et étant déjà associé à un premier numéro pour les services de téléphonie vocale ou de messagerie, ledit procédé comportant les étapes suivantes: recevoir d'un utilisateur une demande d'associer un numéro supplémentaire audit module d'identité existant; en réponse à la réception d'une telle demande d'associer un numéro supplémentaire audit module d'identité existant, associer un numéro supplémentaire au module d'identité, et envoyer un avis audit utilisateur, ledit avis comprenant une indication dudit numéro supplémentaire; en cas de tentative suivante de faire un appel vocal ou d'envoyer un message audit utilisateur grâce au numéro supplémentaire pendant une période convenue, organiser la redirection dudit appel ou dudit message vers le dispositif de téléphonie mobile auquel est associé ledit module d'identité.
PCT/GB2006/002851 2005-07-29 2006-07-31 Services de telephonie mobile WO2007012881A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
MYPI20053532 2005-07-29
MYPI20053532 2005-07-29

Publications (1)

Publication Number Publication Date
WO2007012881A1 true WO2007012881A1 (fr) 2007-02-01

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PCT/GB2006/002851 WO2007012881A1 (fr) 2005-07-29 2006-07-31 Services de telephonie mobile

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009004454A2 (fr) 2007-07-02 2009-01-08 Telefonaktiebolaget L M Ericsson (Publ) Numerotation flexible dans des reseaux mobiles
WO2009009392A1 (fr) 2007-07-10 2009-01-15 Qualcomm Incorporated Identifiants poste-à-poste
US8351981B2 (en) 2010-11-10 2013-01-08 International Business Machines Corporation Supporting multiple subscriber identities in a portable device using a single transceiver
WO2013170276A1 (fr) * 2012-05-07 2013-11-14 Movius Interactive Corporation Système et procédé pour assurer un service de deuxième ligne à un dispositif de télécommunications en utilisant des protocoles mixtes
WO2015038445A1 (fr) * 2013-09-12 2015-03-19 Microsoft Corporation Numéros de téléphone fictifs pour la gestion d'états sur des téléphones mobiles
US20200128366A1 (en) * 2012-05-07 2020-04-23 George Backhaus System and method for provision of a second line service on mobile telephone

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WO1999062282A1 (fr) * 1998-05-22 1999-12-02 Telefonaktiebolaget Lm Ericsson (Publ) Station mobile, reseau de communication radio mobile et procede de communication faisant appel a plusieurs profils d'abonnes
US6212372B1 (en) * 1991-04-12 2001-04-03 Comvik Gsm Ab Method in mobile telephone systems in which a subscriber identity module (SIM) is allocated at least two identities which are selectively activated by the user
EP1221807A2 (fr) * 2001-01-08 2002-07-10 Lucent Technologies Inc. Taxation transparent de plusieurs numéros d'annuaire dans des systémes de téléphoniques sans fils
WO2005004511A1 (fr) * 2003-06-30 2005-01-13 Telefonaktiebolaget Lm Ericsson (Publ) Mise a disposition d'un numero supplementaire dans un reseau de telecommunication cellulaire

Patent Citations (4)

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Publication number Priority date Publication date Assignee Title
US6212372B1 (en) * 1991-04-12 2001-04-03 Comvik Gsm Ab Method in mobile telephone systems in which a subscriber identity module (SIM) is allocated at least two identities which are selectively activated by the user
WO1999062282A1 (fr) * 1998-05-22 1999-12-02 Telefonaktiebolaget Lm Ericsson (Publ) Station mobile, reseau de communication radio mobile et procede de communication faisant appel a plusieurs profils d'abonnes
EP1221807A2 (fr) * 2001-01-08 2002-07-10 Lucent Technologies Inc. Taxation transparent de plusieurs numéros d'annuaire dans des systémes de téléphoniques sans fils
WO2005004511A1 (fr) * 2003-06-30 2005-01-13 Telefonaktiebolaget Lm Ericsson (Publ) Mise a disposition d'un numero supplementaire dans un reseau de telecommunication cellulaire

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009004454A2 (fr) 2007-07-02 2009-01-08 Telefonaktiebolaget L M Ericsson (Publ) Numerotation flexible dans des reseaux mobiles
WO2009004454A3 (fr) * 2007-07-02 2009-02-19 Ericsson Telefon Ab L M Numerotation flexible dans des reseaux mobiles
WO2009009392A1 (fr) 2007-07-10 2009-01-15 Qualcomm Incorporated Identifiants poste-à-poste
US9838365B2 (en) 2007-07-10 2017-12-05 Qualcomm Incorporated Peer to peer identifiers
US8351981B2 (en) 2010-11-10 2013-01-08 International Business Machines Corporation Supporting multiple subscriber identities in a portable device using a single transceiver
US8874171B2 (en) 2010-11-10 2014-10-28 International Business Machines Corporation Supporting multiple subscriber identities in a portable device using a single transceiver
WO2013170276A1 (fr) * 2012-05-07 2013-11-14 Movius Interactive Corporation Système et procédé pour assurer un service de deuxième ligne à un dispositif de télécommunications en utilisant des protocoles mixtes
US20200128366A1 (en) * 2012-05-07 2020-04-23 George Backhaus System and method for provision of a second line service on mobile telephone
WO2015038445A1 (fr) * 2013-09-12 2015-03-19 Microsoft Corporation Numéros de téléphone fictifs pour la gestion d'états sur des téléphones mobiles
US9681290B2 (en) 2013-09-12 2017-06-13 Microsoft Technology Licensing, Llc Dummy phone numbers to manage states on mobile phones

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