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WO2005091609A1 - Determination automatique d'un terminal additionnel et etablissement automatique d'une communication additionnelle pendant ou consecutivement a une communication d'origine - Google Patents

Determination automatique d'un terminal additionnel et etablissement automatique d'une communication additionnelle pendant ou consecutivement a une communication d'origine Download PDF

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Publication number
WO2005091609A1
WO2005091609A1 PCT/EP2005/050681 EP2005050681W WO2005091609A1 WO 2005091609 A1 WO2005091609 A1 WO 2005091609A1 EP 2005050681 W EP2005050681 W EP 2005050681W WO 2005091609 A1 WO2005091609 A1 WO 2005091609A1
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WO
WIPO (PCT)
Prior art keywords
additional
terminal
communication
tlna
user
Prior art date
Application number
PCT/EP2005/050681
Other languages
German (de)
English (en)
Inventor
Thomas Lederer
Original Assignee
Siemens Aktiengesellschaft
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 Siemens Aktiengesellschaft filed Critical Siemens Aktiengesellschaft
Publication of WO2005091609A1 publication Critical patent/WO2005091609A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M7/00—Arrangements for interconnection between switching centres
    • H04M7/0024—Services and arrangements where telephone services are combined with data services
    • H04M7/0027—Collaboration services where a computer is used for data transfer and the telephone is used for telephonic communication
    • 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
    • H04M3/56—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities
    • 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
    • H04M3/42314—Systems providing special services or facilities to subscribers in private branch exchanges
    • H04M3/42323—PBX's with CTI arrangements

Definitions

  • the invention relates to a method in which an originating communication is initially carried out between two originating terminals, for example a telephone conversation, or a telephone conference in which more than two terminals are involved. So at least two participants or service users are involved in the original communication.
  • additional communication is to be set up with the aid of a communication medium other than the originating communication between the same subscribers or service users.
  • the additional communication concerns a video conference or the joint work on central data, e.g. on a text, a slide or a slide set or on a software program.
  • the additional communication can e.g. can be reached via a separate selection with a comparatively high manual effort. It is an object of the invention to provide a simple method for determining a terminal, by means of which, in particular, the additional communication can be initiated quickly and with little manual effort.
  • a simply structured transmission network should be specified.
  • the invention is based on the consideration that the integration of computers and telephony, ie the CTI (Computer Telephony Integration), is already largely standardized, in particular in the CSTA standard (Computer Supported Telecommunications Applications) phases I, II, III etc. the ECMA (European Computer Manufacturers Association).
  • the functions available can be used to establish communication in a start telephone network or to initiate communication in a network other than a telephone network, taking into account communication in a telephone network.
  • a reference user uses an originating terminal
  • an originating terminal and an additional terminal are used in a supplementary data record and are used by another user, originating communication is carried out between the originating terminals,
  • an additional terminal of the reference user is included, for example by entering the reference user on the additional terminal or using a reference data record in which the original terminal of the reference user and the additional terminal are noted or via a direct data transmission connection between the original terminal of the reference participant and the additional terminal the reference participant,
  • the originating terminal of the further user is automatically determined from the originating communication, in particular from the connection data of the originating communication,
  • the additional terminal of the additional user is automatically determined from the additional data set for the determined original terminal of the further user, - additional communication is carried out between the additional terminal of the reference user and the determined additional terminal of the further user.
  • This procedure allows the establishment of the additional communication connection to be further automated.
  • the user initiating the additional communication connection no longer has to provide address details or telephone number details for the additional communication.
  • the required information is read automatically, in particular from the additional data record.
  • a terminal of the one communication is a terminal of a telecommunications network, in particular a nes through the switch-switched telecommunications network, in which voice data are transmitted in transmission channels, for example. in time-division multiplex channels or on one line.
  • the assignment of the user data to a connection is determined via the transmission channel.
  • the telecommunications network contains, for example. a landline or a mobile network, if necessary. but also a data transmission network for the transmission of voice data or video data, e.g. on a middle transmission section or on the side of the other terminal involved in the communication.
  • the other of the two communications is carried out with a terminal of a data packet transmission network in which the useful data of the communication are transmitted in data packets which, in addition to the useful data, each contain address information.
  • the data transmission network is a local data transmission network (LAN - Local Area Network) or a WLAN (Wireies s LAN), both of which can be based on the Internet protocol.
  • Data processing systems are connected to the data transmission network, for example.
  • Personal computers or portable computers such as PDA (Personal Digital Assistant) or. Palm top, notebook or laptop, etc.
  • the additional communication is initiated from the communication network in which the original communication takes place, ie. H . e.g. from a telephone network or from a data packet transmission network.
  • the additional connection when setting up the additional connection, it must be taken into account that the original device is already occupied. In particular, telephones must then be monitored separately.
  • the additional communication is initiated from the communication network in which the additional communication is to take place, i.e. H . e.g. with an original communication in a telephone network from a data packet transmission network or with an original communication in a data packet transmission network from a telephone network -
  • the originating terminal and the additional terminal of the reference user are each arranged in a separate housing. If the originating terminal and the additional terminal of the other user are each arranged in their own housing, there is a strong separation between the networks used for the communication. Alternatively, however, the originating terminal and the additional terminal are arranged in a housing, so that a direct connection between the originating terminal and the additional terminal of a user can be established particularly easily via an interconnect of a printed circuit board.
  • a direct connection is a connection in which only the original terminal and additional terminal are involved, but no units outside of these devices.
  • the original communication and the additional communication are bidirectional communication, in particular telephone communication, video telephony communication or shared access to an application in a data packet transmission network.
  • unidirectional communication is also possible as source or additional communication, for example sending an email, an SMS (Short Massage Service) or an MMS (Multimedia Message Service).
  • the invention also relates to a transmission network with determining units.
  • the transmission network is particularly suitable for carrying out the method according to the invention or one of its developments, so that the technical effects mentioned above also apply to the transmission network.
  • FIG. 2 is a more detailed representation of the transmission network
  • FIG. 3 shows a transmission network in which communication is first carried out in a data packet transmission network and then in a telephone network.
  • the terminal which initiates the additional communication is designated with a Roman numeral I to VIII.
  • the exemplary embodiments I to IV relating to an originating connection in a telephone network 12 are explained below with reference to FIGS. 1 and 2.
  • the exemplary embodiments V to VIII relating to an originating connection in a data packet transmission network LAN are then explained with reference to FIG. 3.
  • Figure 1 shows a transmission network 10 in which communication in a telephone network 12, e.g. in a private telephone network, and then in a data packet transmission network LAN, which is based, for example, on the Internet protocol.
  • the data packet transmission network LAN is, for example, a company network or the Internet.
  • the telephone network 12 contains a landline telephone AI of a subscriber TlnA and a landline telephone B1 of a subscriber TlnB.
  • the telephones AI and Bl are, for example, ISDN telephones (Integrated Services Digital Network) or two telephones connected to a telecommunications system.
  • the telephone network 12 also contains a mobile radio network, of which a mobile radio telephone C1 of a subscriber TlnC is shown.
  • the fixed network telephones AI, B1 and the mobile telephone Cl are connected in a conference circuit, see original communication connections 20 and 22.
  • a data record DSA for the subscriber TlnA, a data record DSB for the subscriber TlnB and optionally a data record DSC for the subscriber TlnC were created and stored.
  • the telephone number of the telephone AI and a network address of a computer A2 set up next to the telephone AI are specified, which is also used by the subscriber TlnA.
  • the phone number of the telephone Bl and a network address of a computer B2 set up next to the telephone Bl are specified, which is used by the subscriber TlnB.
  • the call number of the mobile telephone Cl and a network address of a computer C2 are specified which is used by the subscriber TlnC and which is located next to the mobile radio telephone Cl, for example at a distance of less than three meters.
  • the data record DSC is not required in particular if the assignment of the mobile radio telephone Cl and the PDA C2 takes place via a direct interface between these two devices, for example via a Bluetooth interface.
  • additional communication connections 30 and 32 are set up between computers A2 and B2 and computers A2 and C2, for example, a video conference, after the communication connections 20 and 22 in the LAN between the participants TlnA, TlnB and TlnC.
  • the additional communication links 30, 32 are generated automatically through keystroke or mouse click without addresses after the keystroke or mouse click ⁇ ⁇ must be entered to the additional communication links 30 to build the 32nd
  • FIG. 2 shows a more detailed illustration of the transmission network 10.
  • the transmission network 10 contains a telecommunications system PBX (Private Branch Exchange) and a central control unit CCS (Communication Control Service).
  • PBX Primaryvate Branch Exchange
  • CCS Central Control Service
  • the PBX telecommunication system is used to switch-through connections.
  • the PBX telecommunication system is a HiPath 4000 or HiPath 5000 system from Siemens AG.
  • small telephone systems can also be used in private households (home workstations) or small companies, for example a telecommunications system PBX of the Teledat type from Weg AG.
  • the telephones AI and Bl are connected via lines 50 and 52 to the telecommunications system PBX.
  • the telecommunications system PBX Via a connection (not shown) to a public circuit-switched telephone network, the telecommunications system PBX is connected to a gateway unit to the mobile radio network in which the mobile telephone C1 is operated.
  • the telecommunications system PBX and the central control unit CCS are connected via a line 54, which is part of a CSTA interface, for example.
  • the control unit CCS also contains a storage unit 60 in which the data records DSA, DSB and DSC are stored.
  • the control unit CCS is also connected to the LAN.
  • the computers A2 and B2 are personal computers PC, which are connected to the data packet transmission network LAN via lines 70 and 72, respectively.
  • the computers PC A2 and PC B2 each contain several application programs, Appll, Appl2, which are suitable for communication via the data packet transmission network LAN.
  • a suitable application program is, for example, the program Netmeeting, which is supplied with Windows operating systems (eg with Windows 2000 or with Windows XP) from Microsoft.
  • Windows operating systems eg with Windows 2000 or with Windows XP
  • intra- or internet-based collaboration services eg WebEx
  • WebEx intra- or internet-based collaboration services
  • a central conference server service delivery computer
  • the computer C2 is a portable computer, for example a PDA (Personal Digital Assistant).
  • PDA Personal Digital Assistant
  • computer C2 for example, there is only one application program Appll.
  • RC Remote Control
  • the subscriber initiating the additional connection is the subscriber TlnA who presses a button on his telephone AI which initiates the establishment of the additional communication 30.
  • a keystroke is recorded by the PBX telecommunications system and reported to the CCS control unit, the telephone number of the telephone AI also being transferred.
  • the telecommunications system PBX determines the additional terminal A2 of the subscriber TlnA from the reference data record DSA.
  • the central control unit CCS then makes a request to the telecommunications system PBX via the CSTA interface in order to determine the telephone number of the telephone B1, i.e. of the telephone to which the subscriber TlnA is currently connected.
  • the telecommunication system PBX possibly sends this call number back together with the call number of the mobile telephone C1 to the control unit CCS.
  • the control unit determines the computer B2 from the data record DSB as the computer belonging to the telephone B1.
  • the control unit CCS then uses a message 80 to inform the control unit RC in the computer A2 that the communication connection 30 between the computers A2 and B2 is to be set up, the control unit RC of the computer A2, for example, transferring the network address of the computer B2 becomes. thereupon
  • the control unit RC of the computer A2 initiates the establishment of the communication connection 30. Alternatively, the connection establishment can be initiated by the central control unit.
  • the subscriber initiating the additional connection is now the subscriber TlnC, who presses a button on his mobile radio telephone C1 initiating the establishment of the additional communication 32.
  • the telephone Cl of the subscriber TlnC is accessed via the close spatial relationship, e.g. Via a Bluetooth interface, the computer C2 determines that the computer to be activated.
  • a request sent by the mobile radio device C1 is received and processed by the control unit RC in the computer C2.
  • the request contains the phone number of the phone AI, i.e. of the phone with which the mobile device Cl is currently connected.
  • the request is processed by the control unit RC of the computer C2, which can, for example, determine the address of the associated computer with the aid of a request to the central control unit CCS for the telephone number of the telephone AI.
  • the central control unit CCS determines the network address of the computer A2 from the data record DSA for the call number of the telephone AI and transmits this to the control unit RC of the computer C2.
  • the control unit RC of the computer C2 then initiates the establishment of the communication link 32 between the computer C2 and the computer A2. Alternatively, the establishment of the communication connection is initiated by the central control unit CCS, the network address of the computer C2 being known from the request to the control unit.
  • the mobile radio telephone C1 cannot transmit the telephone number of the telephone AI in the request. Therefore, the computer C2 uses a
  • the subscriber initiating the additional connection is subscriber TlnA, who, however, now presses a button on his computer A2 which initiates the establishment of additional communication 30.
  • This key press causes the control unit RC of the computer A2 to send a request to the central control unit CCS.
  • the request contains the network address of computer A2.
  • the control unit CCS determines the telephone AI from the reference data record DSA.
  • the control unit CCS determines the call number of the telephone Bl or of the mobile radio telephone Cl via a request to the telecommunications system PBX.
  • the request also contains the telephone number of the telephone AI, so that the telecommunications system PBX can determine which telephones the telephone T1 is currently connected to.
  • the telephone number of the telephone B1 is sent from the telecommunication system PBX to the control unit CCS.
  • the control unit CCS determines the
  • the address of the computer B2 is then sent back to the computer A2 requesting the control unit CCS.
  • the local control unit RC of the computer A2 then initiates the establishment of the communication connection 30 between the computers A2 and B2.
  • the control unit CCS initiates the establishment of the communication connection. This can also include starting all applications required for additional communication.
  • the computer C2 can be involved in the communication in a similar manner to the computer B2, the communication connection 32 being established.
  • the subscriber initiating the additional connection is the subscriber TlnC who presses a key on his computer C2 which initiates the establishment of the additional communication 32.
  • To the telephone Cl of the subscriber TlnC is over the narrow spatial
  • Relationship, e.g. Computer C2 is determined as the computer to be activated via a Bluetooth interface.
  • a request sent by the control unit RC to the mobile phone device Cl due to the key press is intended to transmit the call number of the telephone AI from the mobile radio phone C1.
  • the response of the mobile radio telephone is received and processed by the control unit RC in the computer C2.
  • the control unit RC of the computer C2 then makes a request for the call number of the telephone AI to the control unit CCS.
  • the central control unit CCS determines the network address of the computer A2 from the data record DSA for the telephone number of the telephone AI and transmits this to the control unit RC of the computer C2.
  • the control unit RC of the computer C2 then initiates the establishment of the communication connection 32 between the computer C2 and the computer A2. Alternatively, the establishment of the communication connection is initiated by the central control unit CCS, the network address of the computer C2 being known from the request to the control unit.
  • the mobile telephone C1 cannot transmit the telephone number of the telephone AI. Therefore, the computer C2 determines the call number of the telephone AI with the help of a request from the network operator of the mobile radio network. This request is made via the data packet transmission network LAN, the computer C2 being aware of the call number of the mobile radio telephone C1 because it is in its memory, for example. rather saved. The method steps previously explained for embodiment IV are then carried out.
  • the functions of the central control unit are taken over by one of the computers A2, B2 or C2, depending on which subscriber initiates the additional connection, e.g. the computer C2 when the additional communication is initiated by the subscriber TlnC.
  • the data records DSA, DSB or DSC are then noted, for example, in each computer A2, B2 and C2.
  • a central database is used or peer-to-peer technologies are used, in which the required data records are queried by the peer-to-peer network.
  • FIG. 3 shows the transmission network 10, in which however first communication connections 100 and 102 in the data packet transmission network LAN and then communication connections 110 and 112 in the telephone network 12 are set up.
  • the communication link 100 exists between the computers A2 and B2.
  • Communication link 102 is between. computers A2 and C2.
  • the computers A2 to C2 are thus connected in a conference circuit, e.g. in a netmeeting conference.
  • the communication link 110 is to be set up between the telephone AI and the telephone B1.
  • the communication link 112 between the telephone AI and the telephone A3 is to be set up.
  • the telephones AI to A3 are to be connected in a conference call, namely in a conference call.
  • the additional communication 110 is initiated by the computer A2 of the subscriber TlnA.
  • the local control unit RC of the computer A2 directs one to the central control unit CCS Request message to set up an additional connection.
  • the central control unit CCS uses the reference data record DSA to determine the call number of the telephone AI of the subscriber TlnA on the basis of a sender's date contained in the request message, for example the network address of the computer A2.
  • the central control unit CCS also sends a request message to the local control unit RC of the computer A2 in order to inquire about the address of the computer or the addresses of the computers to which the computer A2 is currently connected. Alternatively, these addresses can already be included in the request message for establishing the additional connection.
  • the addresses of the computers B2 and C2 are transmitted to the control unit CCS, which uses the data records DSB and DSC to determine the telephones Bl and Cl and, using the telecommunications system PBX, to set up a conference circuit between the telephones AI, Bl and Cl causes.
  • the functions of the central control unit are taken over by the local control unit RC of the computer A2.
  • the data sets DSA, DSB and DSC are each on the. Computers A2, B2 and C2 saved. If, for example, the subscriber TlnB initiates the additional communication via his computer B2, the control unit RC of the computer B2 takes over the control function of the central control unit CCS.
  • the additional communication is initiated by the mobile computer C2 of the subscriber TlnC, for example via a request which is sent from the local control unit RC of the computer C2 to the control unit CCS.
  • This request contains the address of computer C2.
  • the telephone number of the mobile telephone C1 can also be noted, for example, in the computer C2 and together with its address Transmit control unit CCS.
  • the telephone number of the mobile telephone C1 can be determined from the data record DSC via the central control unit CCS, the address of the requesting computer C2 being used.
  • the call number of the mobile telephone C1 is queried by the local control unit RC of the computer C2 from the mobile radio device via a local interface, for example via a Bluetooth interface.
  • the central control unit CCS then asks the computer C2 which computers this computer C2 is currently connected to.
  • the addresses of computers A2 and B2 are transmitted to the central control unit in a reply message.
  • these addresses can be communicated by the computer C2 in the original request to set up the additional connections or can be determined in some other way.
  • the central control unit CCS determines the telephone numbers of the telephones AI and B1 based on the addresses of the computers A2 and B2 using the data records DSA and DSB.
  • the conference call between the telephones A1, _Bl and C1 is then initiated by the control unit CCS via the network operator of the mobile radio network or the interface of the mobile radio telephone C1.
  • a central control unit CCS is not used.
  • the functions which have been explained above for the control unit CCS are then carried out by the computer C2 of the subscriber TlnC.
  • the additional communication is initiated from the subscriber's TlnA telephone AI.
  • the central control unit CCS monitors the function key of the telephone AI used to expand the communication and, when the function key is pressed, determines the computer A2 of the subscriber from the reference data record DSA. mers TlnA as one of the originating devices.
  • the control unit uses a query message from the control unit CCS to the computer A2 to determine the addresses of the computers currently connected to the computer A2, for example still related to a specific application Appll or Appl2.
  • the addresses are reported by the control unit RC of the computer A2 to the central control unit CCS.
  • the control unit CCS determines the telephones B1 and C1 from the data record DSB or DSC as telephones to be included for the additional telephone conference to be set up.
  • the establishment of the telephone conference is then initiated with the aid of a request message sent to the telecommunications system PBX.
  • the telecommunications system PBX then sets up the conference call between the telephones AI, Bl and Cl.
  • central control unit CCS there is no central control unit CCS.
  • the computers A2, B2 or C3 take over the monitoring of the telephones AI, Bl and Cl and the control of the telecommunication system PBX.
  • the additional communication is initiated from the cell phone C1 of the subscriber TlnC, a request for establishing the additional connection to the control unit RC of the computer C2 being generated and transmitted, for example, via the Bluetooth connection point of the cell phone C1.
  • the request to set up the additional connection is then forwarded, for example, by the control unit RC of the computer C2 to the control unit CCS.
  • the telephone numbers “of the telephones AI and C1 are determined from the data records DSA and DSB.
  • the conference circuit is then set up between the telephones AI, B1 and Cl via the mobile radio provider or via the interface of the mobile radio telephone C1 to the computer C2. If the cellular telephone Cl does not have a local interface ⁇ - like a telephone that is not connected to a telecommunications system PBX, it can still initiate the connection.
  • a previously entered service number is selected.
  • a service associated with the service number then, on the basis of the data record DSC stored with this service, causes the request to create the additional connection to be forwarded to the computer C2.
  • the further steps are then carried out as explained above.
  • the tasks of the control unit CCS are taken over by the local control unit RC of the computer C2.
  • the exemplary embodiments explained open up new areas of application in order to quickly and easily combine multiple communication paths.
  • a landline telephone is also used instead of the mobile radio telephone C1.
  • two or more than two mobile telephones are involved in a conference call.
  • a conference-type communication process e.g. a telephone conference
  • the additional communication process affects, for example, a second network, e.g. the use of netmeeting for the common - processing of documents (collaboration) or video transmission, or Internet web conferencing.
  • a second network e.g. the use of netmeeting for the common - processing of documents (collaboration) or video transmission, or Internet web conferencing.
  • the construction of such a second communication process which is usually carried out with the same subscribers, is carried out simply and with little manual effort by the invention.
  • a logical association of a subscriber's communication terminals is established. This takes place, for example, via a central configuration or by means of a decentralized configuration via a local software component RC (Remote Control) on a personal computer PC or on a PDA of the subscriber.
  • RC Remote Control
  • the telephone number or the telephone numbers of the subscriber are configured on the local software component RC.
  • the software components RC register with a central communication control service CCS and tell this service the available communication options of the user, for example Appll, Appl2 etc., which relate to, for example, netmeeting, application sharing programs, video conference software, collaboration applications etc.
  • the central component has the possibility of monitoring and controlling the communication processes of the terminal devices, in particular both the telephony processes and other multimedia processes, e.g. in an internet protocol network (e.g. collaboration sessions). This enables a bridge to be created between different communication processes and applications, which may also be cross-network.
  • a participant of an existing communication process e.g. a telephone conference between users A, B and C with the communication terminals AI, Bl, Cl, would like to initiate a multimedia extension of the communication, e.g. starting a collaboration connection, this can be done by pressing a button on one of the communication processes involved final devices or via the user interface on one of the associated RC components on the PC / PDA of the user.
  • the central control unit CCS is thus given the task of starting further communication. This can be done both from the telephone terminal, directly or via the application interface of the PBX and from the RC component.
  • the control unit CCS can now start a new communication process via the direct or indirect connection to the communication applications or end devices with the help of the Remote Control RC components. For this purpose, it may be necessary for the participants to be addressed differently in another communication process because of a different type of communication network. For example, not via telephone numbers, but via user ID (ID) or IP addresses. This assignment function is also implemented in the CCS control unit, for example.
  • the control unit CCS can send one or more control commands to set up the further connection to the RC components, since it has knowledge of these subscribers or can determine these subscribers via the connection to the PBX or to the RC components.
  • the RC components then start and control the communication applications Appll, Appl2 etc. installed on the PCs.
  • the initiation of the additional connections from a communication participant thus triggers various processes on the RC components of all participants, e.g. starting applications and subsequent control to set up a communication link. If some participants do not have an installation of the application required for the expansion of the communication connection, an installation can either be initiated via RC or the respective participant cannot participate in the further communication processes, but still remains involved in the first communication process.
  • the principle of expansion can also be applied in the other direction, i.e. to an existing collaboration session, by selecting the telephony function, for example using RC or also on the telephony terminal, so that the control unit CCS then controls the application interface of the PBX (eg CSTA) or directly controls the corresponding interfaces of the terminals he follows.
  • the PBX eg CSTA
  • An interesting variant is to use peer-to-peer networks, i.e. without a central component CCS, the logical association and the multimedia communication expansion of existing connections.
  • the invention in particular results in ergonomic advantages and cost savings through efficient multimedia expansion of existing communication processes both in the IP network of existing communication connections and in the TDM (Time Division Multiplex) or ISDN network of existing connections.
  • the further conference-like communication processes are set up in time parallel to a first such process by simply pressing a button or "one-click". This creates a new feature.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Telephonic Communication Services (AREA)

Abstract

L'invention concerne un procédé d'établissement automatique d'une communication additionnelle (30) entre des terminaux additionnels (A2, B2) par un moyen de communication autre que celui de la communication initiale (20). La communication additionnelle est déclenchée soit par un terminal initial (A1), soit par un terminal additionnel (A2).
PCT/EP2005/050681 2004-03-18 2005-02-16 Determination automatique d'un terminal additionnel et etablissement automatique d'une communication additionnelle pendant ou consecutivement a une communication d'origine WO2005091609A1 (fr)

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DE102004013437.5 2004-03-18

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