WO2009016342A1 - Terminal de communications destiné à être utilisé avec des services voip - Google Patents

Terminal de communications destiné à être utilisé avec des services voip Download PDF

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Publication number
WO2009016342A1
WO2009016342A1 PCT/GB2008/002389 GB2008002389W WO2009016342A1 WO 2009016342 A1 WO2009016342 A1 WO 2009016342A1 GB 2008002389 W GB2008002389 W GB 2008002389W WO 2009016342 A1 WO2009016342 A1 WO 2009016342A1
Authority
WO
WIPO (PCT)
Prior art keywords
handset
terminal
user
network
orientation
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/GB2008/002389
Other languages
English (en)
Inventor
Matthew James Clear Harrison
Cian Sandor Plumbe
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
British Telecommunications PLC
Original Assignee
British Telecommunications PLC
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
Priority claimed from EP07253019A external-priority patent/EP2023684A1/fr
Priority claimed from EP07253032A external-priority patent/EP2020808A1/fr
Application filed by British Telecommunications PLC filed Critical British Telecommunications PLC
Publication of WO2009016342A1 publication Critical patent/WO2009016342A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/10—Architectures or entities
    • H04L65/1059—End-user terminal functionalities specially adapted for real-time communication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/04—Supports for telephone transmitters or receivers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/253—Telephone sets using digital voice transmission
    • H04M1/2535—Telephone sets using digital voice transmission adapted for voice communication over an Internet Protocol [IP] network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/724—User interfaces specially adapted for cordless or mobile telephones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/725—Cordless telephones
    • H04M1/72502—Cordless telephones with one base station connected to a single line
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2250/00—Details of telephonic subscriber devices
    • H04M2250/12—Details of telephonic subscriber devices including a sensor for measuring a physical value, e.g. temperature or motion
    • 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

  • This invention relates to communications terminals, and particularly to terminals capable of use for telephone service using packet switching services.
  • Access to packet-based switching services using the Internet is now readily available, and provides ready access to a wide variety of services such as email, web browsing, online shopping, peer-to-peer file sharing services, on-line gaming, and the like.
  • One such facility is "Voice over Internet Protocol" (VoIP), which allows telephone calls to be made over a packet network such as the Internet.
  • VoIP Voice over Internet Protocol
  • Internet connections can be delivered over conventional telephone lines, they cannot be received by a conventional telephone handset.
  • Most existing users of broadband services use a general-purpose computer (desktop, laptop or PDA).
  • Some internet-based systems such as the system of WO2005/029889 described above require special hardware in addition to the general purpose computer.
  • the handset and an associated base station have to be configured using a standard computer, and cannot be used by potential users unless they have a standard computer with which to perform this initial configuration.
  • a difficulty with any specialised terminal is that the user is often required to remember a sequence of key strokes in order to operate these enhanced services.
  • many of the most vulnerable members of society are unfamiliar with computers, and would find it difficult to learn and remember complex functions, and may also find the operation of a keypad difficult, either through lack of dexterity, poor eyesight, or inability or unwillingness to learn complex tasks.
  • a particular Internet-based service might be of great benefit to a particular user, they would not wish to go to the expense and difficulty of obtaining and operating a general-purpose computer for the one-off configuration process to be performed for the specialised terminal.
  • This invention is concerned with a communications terminal arranged to operate as a dedicated telephone handset to support the capabilities of VoIP (Voice over Internet Protocol), and capable of operation with an internet connection.
  • VoIP Voice over Internet Protocol
  • the Internet connection is preferably provided through a wireless hub. It is desirable that the enhanced service specifically establishing an Internet connection for the purposes of making VoIP calls, is accessible through a simple and easily-learned process. It is also desirable that the handset also allows operation in the manner to which users of existing conventional handsets are accustomed.
  • VoIP Voice over IP
  • the conventional telephone service Whilst VoIP is an attractive service for many users, it is by no means universally available and the user may also need the capabilities of the conventional telephone service, for example to communicate with non-VoIP users, make calls to the emergency services (112, 999, 911 , etc depending on country) as the user's location cannot be readily identified using Internet access, or to make calls in the event Of a failure of the internet connection, as many operators prioritise restoration of the conventional telephone service, and the conventional telephone system does not require a power supply at the customer premises (unless a cordless handset is used), so that in the event of a power failure at the customer's premises the conventional system will continue to operate although the internet connection will be lost. For these reasons it is desirable that a user with a VoIP-capable handset also has access to the traditional network.
  • the present invention provides a handset capable of providing access by way of two different networks. These networks may be, but are not necessarily, VoIP and the conventional circuit switched system. It is known, for example from US Patent application US2003/103091 , to provide controls on different faces of a device having a number of functions, and in which controls for those functions are enabled or disabled according to the orientation in which the device is currently being held. However, this only activates and de-activates the respective user interfaces, rather than the underlying functions, and is done primarily to avoid inadvertent operation of controls on what is currently the reverse side of the device. Although one of the functions is a communications facility, the wireless interface remains in operation and calls may be made to the handset regardless of its orientation.
  • connection there is a difference between "connection” to the network and "establishing communication” with another terminal over that network.
  • call in progress or "off-hook”
  • the user is communicating: e.g. engaged on a call / exchanging data such as VoIP packets with another user, connected ("on-line” or “on-hook”), - the user is connected to the network but not communicating: calls can be made to or from the terminal.
  • disconnected offline'Vswitched off/out of range
  • the user is not connected to the network: calls cannot be made to or from the terminal.
  • Presence information can be used to indicate to other users whether the user is available to take a telephone (VoIP) call, as is offered by the system described in International patent Specification WO2005/029889).
  • VoIP telephone
  • Presence can only be determined by actually making a call attempt and listening for the ringing or engaged tone, or for whether a diversion facility has been used.
  • Presence can only be determined by actually making a call attempt and listening for the ringing or engaged tone, or for whether a diversion facility has been used.
  • Such facilities would be particularly useful for users who may be available at irregular or unpredictable times, as their presence on-line can be interpreted as an indication that they are currently willing to receive incoming calls, whilst being off-line indicates that they do not wish to take incoming calls.
  • a communications terminal comprising a communications management system arranged to selectively establish or close telecommunications connections over a first network and a second network, an orientation detector for detecting the orientation of the telephone handset, the communications management system being responsive to the orientation sensor to establish a connection over the first network when the handset is in a first orientation and to terminate the connection over the first network when the handset is in a second orientation, and one or more control means each operable to control communication over the first network between the terminal and a respective Corresponding terminal, the control means being carried on a surface of the terminal which is normally visible to the user when positioned in the first orientation but not when in the second orientation.
  • the handset preferably comprises a receiver for receiving indications as to whether each respective corresponding terminal is currently in operative connection to the first network, and a display means associated with each control means, and disposed with them, and co-operating with the receiving means for displaying an indication of the operative condition of the respective corresponding terminal.
  • the display therefore shows the user whether the corresponding terminal is in the same "connected" state (indicative of willingness to talk) as the user's own terminal. Simply inverting the terminal disconnects the user from the first network.
  • This arrangement provides a readily-understood configuration, in which when the handset is oriented so that the user can see the control means for connection to the first network, and specifically the indications as to who else is so connected, the user terminal is itself connected to the first network.
  • the handset is intended for use with a network which has a call-handling system comprising a server to which a plurality of user terminals can be connected by a communications network, the server having means to determine which terminals are currently connected to the network, and means to transmit to each terminal a signal indicative of other terminals connected to the network.
  • a call-handling system comprising a server to which a plurality of user terminals can be connected by a communications network, the server having means to determine which terminals are currently connected to the network, and means to transmit to each terminal a signal indicative of other terminals connected to the network.
  • the user of the terminal of the invention does not need to be aware of the type of terminal with which he is corresponding - the corresponding terminals may be of any type suitable for the network to which it is to be connected.
  • the display indicates whether the respective users are available to talk (online), and that the orientation of the handset will cause a similar indication to be displayed on the correspondent's equipment.
  • the correspondent may in fact be using a similar handset, or some completely different terminal such as a PDA or a conventional general-purpose computer.
  • the first telecommunications connection is an Internet packet-switched connection.
  • the second set of controls would typically be those required for a conventional PSTN circuit-switched service.
  • the terminal may be arranged to generate a list of corresponding terminals for which it requires data relating to their operative states. The list may be generated by transmitting a signal to the server from the user terminal when in communication with the desired corresponding terminal.
  • the server may be arranged to permit a terminal to be added to a user's list of correspondents only if the desired corresponding terminal transmits a confirmation signal.
  • the control means preferably has means for selecting a corresponding terminal for which it requires such data to be provided. This may be achieved by transmitting a signal to the network when in communication with the desired corresponding terminal, indicative of its selection as a corresponding terminal.
  • the control means may have means for controlling designation of another user as a correspondent such that it may be so designated only if a confirmation signal is received from the intended corresponding terminal.
  • These individual control means may be embodied as keys programmable to call selected corresponding parties, and the indicators being means for illuminating the respective keys to indicate the status of the user to whom that key relates.
  • the preferred embodiment also includes means for generating an indication as to whether the corresponding terminal is currently in use.
  • the orientation detection means may be a sensor located within the handset, configured to detect the direction of the vertical. This sensor may be a gravity sensor, or a pressure switch operated by the weight of the handset when it is resting on a surface.
  • the detection means may instead be a sensor located in a device designed for co-operation with the handset such that the handset may be placed in operative connection with the co-operating device in any of a plurality of different coupling configurations, the device having means for detecting which of the coupling configurations is in use.
  • the sensor may be a circuit formed between the handset and the co-operating device, the circuit having different configurations according to the relative positioning of the handset and co-operating device.
  • the co-operating unit may perform functions such as a wireless base station or battery charging station for the handset.
  • the handset and co-operating device may both have detection means, one of the detection means being arranged to be disabled or disregarded if the other is in operation.
  • the terminal may be configured to interwork with a conventional network to which may also be connected conventional general-purpose computers.
  • the terminal of the present invention allows simple operation of a VoIP service for potential users who do not have a general purpose computer, and are unable or unwilling to learn how to use one.
  • the use of a separate dedicated control means and associated indicator for each . correspondent, and the use of a simple physical manipulation of the complete handset to indicate the user's on-line status provides a readily-understood and intuitive process for those who are not familiar with computers.
  • FIG. 1 illustrates a telephone handset according to the invention
  • Figure 2 is another view of the handset of Figure 1
  • Figure 3 is a view of the handset of Figures 1 and 2, together with a wireless hub in a first operative condition
  • Figure 4 is a view of the handset and hub of Figure 3 in a second operative condition
  • Figure 5 illustrates the interface between the handset and hub of Figures 3 and 4
  • Figure 6 is a detail illustrating an alternative configuration for the interface between the handset and hub
  • Figure 7 is a schematic illustration of a number of devices according to the invention connected together through a network
  • Figure 8 is a flow diagram illustrating the information flows between the handset and a network-based server.
  • the handset 20 depicted in Figures 1 and 2 has two faces.
  • the face shown in Figure 1 has a conventional layout for a cordless telephone, having a loudspeaker 1 , an "on-hook" key 2, a keypad 3, a menu key 4 for controlling auxiliary functions, a microphone 5 and an "off-hook” key 6.
  • the reverse face has a set of contact keys 7, together with controls for further functions, such as a video camera 8, and a battery state key 9.
  • the two faces have contrasting colours so that they are readily distinguishable.
  • the handset 20 has the capability of operating both as a conventional cordless telephone, by co-operation over a wireless connection to a base station connected to a conventional telephone connection, and also as a "VoIP" telephone, by co-operation over a wireless connection to a wireless "hub” connected to the Internet.
  • the base station and the hub are both embodied in the same base unit 10 depicted in Figures 3, 4 and 5.
  • the base unit 10 has a communications management system 16 having the capability for wireless connection to the communications system 21 of the handset 20 in both wireless modes, and has wired connections 11 , 12, 13, respectively to a communications network 1 1 , a power supply 12, and peripheral equipment such as a television set 13.
  • the same physical communications infrastructure 11 is used for both conventional telephony and the Internet, the hub 10 incorporating filters to segregate signals transmitted using the two networks.
  • separate physical connections may be used.
  • the hub 10 incorporates a docking station 14 into which the handset 20 can be inserted. Whilst in the docking station the handset is connected to the power supply 12 through a power management system 15 which includes a transformer suitable to charge the battery 22 of the handset.
  • the docking station 14 is designed such that the handset 20 can be inserted in either of two different alignments, as shown in Figures 3 and 4.
  • the docking station includes a detector to indicate which alignment is in use and transmit a signal to the communications management system 16 accordingly.
  • the detector is shown as a diode bridge 18 in the power management system 15, indicating the positions of the battery's poles relative to the power supply, whilst in the alternative arrangement shown in Figure 6 the power connection 118 is symmetrical (e.g.
  • the handset 20 includes a position sensor 23, which is arranged to detect the orientation of the handset.
  • This may be a gravity sensor, such as a switch contact which moves under its own weight between an open position and a closed position as the handset is inverted, or it may be a pressure switch in one face of the handset 20 to detect whether the handset is lying with that face in contact with a surface.
  • the output from this sensor 23 is transmitted to the hub over the wireless connection 21 , 16. However if the handset 20 is currently located in the docking station 14, this output is over-ridden. This ensures that spurious information is not presented, for example due to contact between the pressure switch and the docking station.
  • the orientation of the handset controls the connection to the Internet.
  • the position sensor 23 transmits a first signal to the communications management system 16 which responds by taking the connection 11 to the Internet off line. If the handset is then turned over, so that the face depicted in Figure 2 is uppermost, the position sensor 23 transmits a second signal to the communications management system 16 which responds by establishing the connection 11 to the Internet.
  • the detector 18 transmits a third signal to the communications management system 16 which responds by taking the connection 11 to the Internet off line. If the handset is then reversed in the docking station 14, so that the face depicted in Figure 2 is facing forward (as shown in Figure 4) the detector 18 transmits a fourth signal to the communications management system 16, which responds by establishing the connection 11 to the Internet. If none of the first to fourth signals are received by the communications system, it is likely that the handset is either being handled, and therefore in use, or switched off. Both these conditions can be detected by normal paging of the handset.
  • the user can cause the Internet connection to go on line and off line. This can be used as a very simple indication to other users as to whether the user is currently contactable.
  • the positioning of the handset, and in particular the visibility or otherwise of the contact keys 7, then acts as a visual prompt to the user himself as to whether the handset is in the condition in which his correspondents can contact him, and that they are made aware that this is the case.
  • the base unit also has a light 17 illuminated when the user is on line and contactable.
  • the communication management system 16 identifies the handset as on line and in use, over-riding any indications from the position sensors.
  • the handset therefore generates an indication of the current status of the user without the user being required to perform any complicated and difficult-to-remember keystrokes.
  • the special service (connection to the Internet) is achieved simply by placing the handset in a position in which the keys applicable to the special service are visible. Reversing its position so that the keys are concealed deactivates the service.
  • connection to the second network may also be enabled and disabled according to the orientation of the handset, but in the preferred embodiment this connection remains available, for incoming calls at least, unless a call is actually in progress. Thus a call can be made using the circuit-switched line whether or not the VoIP service is currently "on-line".
  • Figure 7 shows a number of user terminals 10/20, 30, 40, 50, 60 each connected by way of the Internet 70 to a network server 80.
  • the network server is associated with a register 90 of users, which records which users are currently on line.
  • a fifth terminal 60 is of conventional type.
  • the first user terminal has the handset 20 removed from its docking station in the hub 10, and placed in the off line position with the conventional keyboard uppermost.
  • the second user terminal generally indicated by the reference numeral 30, also has the handset removed from its docking station in the hub, but this time placed in the online position with the contact keys uppermost.
  • the third user terminal generally indicated by the reference numeral 40, has the handset inserted in its docking station in the hub in the on line position with the contact keys foremost.
  • the fourth user terminal generally indicated by the reference numeral 50, also has the handset inserted in its docking station in the hub, but placed in the off line position, with the conventional keys foremost.
  • the contact keys 7 on the handset 20, only visible when the user is on line, may be used to identify selected, users, herein referred to as correspondents.
  • the user programmes the correspondents' contact details (VoIP identities) into the handset using the conventional keypad 5, such that each contact key 7 corresponds to a selected correspondent. Alternatively, it may be done during a call to the correspondent.
  • the server 80 may be configured to arrange that two users may only be placed on each others' contact lists by mutual consent, e.g. by each operating a contact key on their own handset simultaneously, during a call connected between them.
  • the register 90 When a user is on line, the register 90 is interrogated periodically to determine which of the users are currently on line, and the server reports to each user which of its correspondents are on line.
  • the terminal 10 reponds by illuminating the respective contact key when a correspondent is on line and therefore contactable.
  • Further indications may be provided to indicate other conditions, such as on line but engaged on a call, or to indicate that one of the correspondents is making a call to the user.
  • the different indications may be different colours (e.g. yellow for engaged and green for available) or intensities, or may include a flashing condition (e.g. to indicate an incoming call).
  • the means of generation of such indications by the terminal 10, 20 for transmission to the server 80, and the means by which the terminal indicates responses to any such indications received from the server 80, are by means of physical illuminated keys.
  • This is more intuitive for those unfamiliar with computers than the process favoured by the computer-literate of using a manual input device ("mouse") to control the position of an on-screen cursor and accessing functions represented by onscreen "icons” by pressing a key on the "mouse” when the positions of the cursor and the "icon” representing the required function coincide on the screen. It is also a simpler physical operation for those with limited manual dexterity or visual acuity.
  • the server 80 updates the register 90 (step 181) to indicate that the user's connection is now online, and the user is available to be contacted (step 191).
  • the server 80 Whilst a user is on line, the server 80 periodically retrieves from the register 90 the status (online, offline, busy) of each correspondent (e.g. 30) recorded for the user in the register (step 192) and reports this status to the user terminal 20 (182).
  • the user terminal 20 responds by illuminating each contact key 7 according to the status of its ' respective correspondent (e.g. green online, yellow busy, unlit offline) - step 112.
  • the server If the server detects an incoming call (184) it transmits a call alert 114 to the user terminal 20. If the call is from a correspondent 30 the relevant contact key flashes, otherwise a standard call alert (ring tone) is used. Calls may also be initiated by the user
  • step 113 Whilst a call is in progress (step 115) the server detects this and updates the register 90 (step185) so that the user's status is changed to "busy” (step 195).
  • the user may add the other party to his correspondent list by pressing one of the contact keys (step 116).
  • This causes a signal 186 to be transmitted to the server 80 to add the new correspondent to the register (step 196).
  • This will overwrite the correspondent currently associated with that key, if any, and a warning may be generated to avoid unintentional overwriting.
  • Provision may be made for users to be only able to add a correspondent if the corresponding user consents - this can be achieved by requiring both parties to operate a contact key on their respective handsets simultaneously, causing each user to be added to the other's correspondent list.
  • the server again updates the register (step 187), reverting both users' status to online - "available".
  • the user If the user wishes to be unavailable, for example because he is going off the premises, or wants to sleep, he can reverse the terminal 20 so that the contact keys are not visible. This causes the base station 10 to close down the online connection (step 118).
  • the server detecting this, updates the register 90 (step 188) which records the user status as "unavailable" 198, so that when the register 90 is next interrogated by the server 80, it will report to any correspondents who are currently on line that the user is now off line.
  • the docking station 14 is movably mounted in the hub unit 10 using a pivotable mounting 19, to allow a limited degree of freedom of alignment of the handset 20 in the hub 10. This allows orientation of a video camera 8 incorporated in the handset to be adjusted whilst supported by the docking station.
  • the hub 10 may be connected to an ancillary device such as a television set through a connection 13 to allow visual information such as data or images received over the Internet connection to be displayed on the television screen, rather than relying on a screen incorporated in the handset, whose size would be necessarily limited by the dimensions of the handset itself.
  • an ancillary device such as a television set through a connection 13 to allow visual information such as data or images received over the Internet connection to be displayed on the television screen, rather than relying on a screen incorporated in the handset, whose size would be necessarily limited by the dimensions of the handset itself.
  • This in conjunction with the video camera 8, facilitates the provision of video telephony over the Internet connection.

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Human Computer Interaction (AREA)
  • Multimedia (AREA)
  • Telephonic Communication Services (AREA)

Abstract

L'invention porte sur un terminal de communications (20) destiné à être utilisé avec des services de « voix sur protocole Internet » (VOIP) par des utilisateurs qui ne connaissent pas l'informatique. Ledit terminal de communications est agencé pour commuter entre des conditions en ligne (disponible) et hors ligne (non disponible) par une opération simple, et présente une série de touches éclairées (7) pouvant être dédiées à des correspondants respectifs, qui sont aussi abonnés à un service VOIP. L'éclairage des touches est agencé pour indiquer l'état en ligne/hors ligne/occupé du correspondant, et le fait de presser la touche établit une connexion avec ce correspondant.
PCT/GB2008/002389 2007-08-01 2008-07-11 Terminal de communications destiné à être utilisé avec des services voip Ceased WO2009016342A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
EP07253019A EP2023684A1 (fr) 2007-08-01 2007-08-01 Terminal de communications destiné à être utilisé pour des services VoIP.
EP07253032.2 2007-08-01
EP07253019.9 2007-08-01
EP07253032A EP2020808A1 (fr) 2007-08-01 2007-08-01 Combiné téléphonique avec station de base et fonctions dépendant de l'orientation

Publications (1)

Publication Number Publication Date
WO2009016342A1 true WO2009016342A1 (fr) 2009-02-05

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ID=39876204

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2008/002389 Ceased WO2009016342A1 (fr) 2007-08-01 2008-07-11 Terminal de communications destiné à être utilisé avec des services voip

Country Status (1)

Country Link
WO (1) WO2009016342A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999034628A1 (fr) * 1997-12-30 1999-07-08 Telefonaktiebolaget Lm Ericsson (Publ) Modification en ligne dans un systeme de communication mobile
DE19924455A1 (de) * 1999-05-28 2000-12-07 Alfred Schaefer Mobiltelefon in reduzierter Form mit geschlossener Benutzergruppe (definierter Nutzerkreis)
WO2002054745A1 (fr) * 2000-12-29 2002-07-11 Nokia Corporation Informations sur la gestion de sessions et la presence
WO2005029889A1 (fr) * 2003-09-23 2005-03-31 International Business Machines Corporation Systeme de telephone sans fil dote d'une fonctionnalite voix sur ip et pots
EP1648146A1 (fr) * 2004-10-14 2006-04-19 Sagem SA Configuration d'une utilisation d'un téléphone mobile en fonction de la position dans un chargeur

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999034628A1 (fr) * 1997-12-30 1999-07-08 Telefonaktiebolaget Lm Ericsson (Publ) Modification en ligne dans un systeme de communication mobile
DE19924455A1 (de) * 1999-05-28 2000-12-07 Alfred Schaefer Mobiltelefon in reduzierter Form mit geschlossener Benutzergruppe (definierter Nutzerkreis)
WO2002054745A1 (fr) * 2000-12-29 2002-07-11 Nokia Corporation Informations sur la gestion de sessions et la presence
WO2005029889A1 (fr) * 2003-09-23 2005-03-31 International Business Machines Corporation Systeme de telephone sans fil dote d'une fonctionnalite voix sur ip et pots
EP1648146A1 (fr) * 2004-10-14 2006-04-19 Sagem SA Configuration d'une utilisation d'un téléphone mobile en fonction de la position dans un chargeur

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