WO2003032587A1 - Setting mode of communication - Google Patents
Setting mode of communication Download PDFInfo
- Publication number
- WO2003032587A1 WO2003032587A1 PCT/IB2002/004149 IB0204149W WO03032587A1 WO 2003032587 A1 WO2003032587 A1 WO 2003032587A1 IB 0204149 W IB0204149 W IB 0204149W WO 03032587 A1 WO03032587 A1 WO 03032587A1
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- WO
- WIPO (PCT)
- Prior art keywords
- communication
- user equipment
- mode
- modes
- network
- Prior art date
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
- H04W28/18—Negotiating wireless communication parameters
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- 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
- H04L65/1066—Session management
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/20—Manipulation of established connections
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- 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
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- 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
- H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/22—Processing or transfer of terminal data, e.g. status or physical capabilities
- H04W8/24—Transfer of terminal data
- H04W8/245—Transfer of terminal data from a network towards a terminal
Definitions
- the present invention relates to communication systems, and in particular to setting the mode of communication between two nodes .
- a communication system is arranged for provision of communication connections between two or more entities such as user terminal equipment and/or other nodes associated with the system.
- the communication may comprise, for example, communication of voice, electronic mail (email) and text messages, multimedia and so on.
- a communication system may provide communication over a fixed line or wireless interface for user terminals or other nodes.
- An example of systems carrying wireless communication is the public land mobile network (PLMN) .
- An example of the fixed line networks is the public switched telephone network (PSTN) .
- a communication system typically operates in accordance with a given standard or specification which sets out what the various elements of the system are permitted to do and how that should be achieved.
- the standard or specification may define if the user, or more precisely, user equipment or terminal is provided with a circuit switched (CS) service or a packet switched (PS) service or both.
- Communication protocols and/or parameters which shall be used for the connection are also typically defined.
- the manner how communication shall be implemented between the user equipment and the elements of the communication network is typically based on a predefined communication protocol . In other words, a specific set of "rules" on which the communication can be based on needs to be defined to enable communication by means of the communication system.
- Examples of the different standards and/or specifications for wireless communication include, without limiting to these, specifications such as GSM (Global System for Mobile communications) , AMPS (American Mobile Phone System) , DAMPS (Digital AMPS) , various GSM based systems such as the GPRS (General Packet Radio Service) .
- GSM Global System for Mobile communications
- AMPS American Mobile Phone System
- DAMPS Digital AMPS
- GSM Global System for Mobile communications
- AMPS American Mobile Phone System
- DAMPS Digital AMPS
- GPRS General Packet Radio Service
- 3G 3 rd generation
- 3G include systems such as the CDMA (Wideband Code Division Multiple Access) based UMTS (Multiple Access in Universal Mobile Telecommunications System) , IMT 2000
- a base station of a radio access network serves user equipment such as mobile stations or similar terminal apparatus -via a wireless interface.
- Each of the cells of the cellular system can be served by an appropriate transceiver apparatus, typically, but not always, referred to as a base station (BS) .
- the base station may be connected to and controlled by a controller entity.
- a controller entity For example, in the GSM radio network a base station is connected to and controlled by a node referred to as a base station controller (BSC) .
- BSC base station controller
- the BSC node may in turn be connected to and controlled by a mobile switching center (MSC) , a serving GPRS support node (SGSN) or similar facility.
- MSC mobile switching center
- SGSN serving GPRS support node
- the controller entities may be provided by means of appropriate server entities.
- functions of a MSC may be provided by a MSC server (MSS) .
- the communication link between a user equipment and the network i.e. the so called user-to-network leg is typically controlled by at least one controller entity.
- the leg may be controlled e.g. by means of a home or a visited MSC or a MSS media gateway . (MGW) .
- MGW MSS media gateway .
- When setting up a communication path between two user equipment via the communication network the communication mode of the legs at both ends of the path are set up- and synchronised so that a desired mode of communication can be provided for the users. For example, the calling user may wish to have a speech connection or a video or other multimedia connection with the called user, and the connection is then set up accordingly.
- the prior art also suggest a fallback behaviour by means of which a call can be returned to speech mode in case an attempt to establish a multimedia call fails.
- a calling user does not need to know whether the called party supports or wants to receive a video or other multimedia call, because in this case the call would automatically fall back to a speech call. If the fallback feature is not provided, the call set-up would then simply fail.
- the users may also wish to be able to change e.g. from the speech mode to the multimedia mode during an ongoing call.
- This is enabled e.g. by means of the so called SWAP scheme wherein users can start the call either with speech or with multimedia, and then swap from speech to multimedia and vice versa during the call. More particularly, e.g. in the SWAP scheme the users can swap from speech to multimedia and vice versa by initiating the change at both end legs of the connection.
- the swap between modes needs to be accomplished locally at each of the end legs between the respective mobile stations and the visited mobile switching centre entities. This is so since in the proposed solution the fixed network leg between the wireless legs may offer a substantially constant 64kbit/s transmission throughout a call, that is the mode of the fixed leg is not changed even if the mode of the legs needs to be changed.
- the change of the modes may not operate satisfactorily in the prior art communication systems, and that the users might wish to obtain an improved solution for the change of modes.
- the call is done within a 3GPP (third generation partnership project) Release 4 split core network architecture i.e. in a system involving elements such as a MSC Servers (MSS) and Media Gateway (MGW) network elements
- the swap procedure requires an in-call bearer modification procedure.
- This jprocedure is required to be used in order to be able to dynamically modify characteristics of a user plane (i.e. the Nb interface) connection (codec) between the MGWs associated with the connection.
- the inventors have found that a multimedia call cannot be started whit a speech-only mode provided with the current ISUP (ISDN User part) signalling and BICC (Bearer Independent Call Control) , and that the current ISUP and BICC do not support switching ("swapping") between speech and multimedia modes. Consequently, the synchronisation of the possible swaps at both end legs of the connection is left to the users.
- the users for example, need to agree verbally on the swap. Both users need then activate manually an appropriate radio channel modification procedure at their terminals or even setup a new call in the desired mode.
- Embodiments of the present invention aim to address one or several of the above problems.
- a method in a communication system comprising: initiation of a procedure for setting up a communication link between a first user equipment and a second user equipment via a communications network; signalling between the first user equipment and the second user equipment information regarding at least two modes of communication that can be used for communication via the communication link; signalling between the first user equipment and the second user equipment an indicator regarding a mode to be used for the communication; and initiating in at least in one of the user equipment a procedure for setting the mode of communication in accordance with the indicator.
- a communication system comprising network apparatus for provision of a communication media between a first user equipment and a second user equipment, the communication media consisting of a first leg between the first user equipment and the network apparatus, a second leg between the second user equipment and the network apparatus, and an intermediate portion between the first and second legs, wherein the mode of communication in at least one of said legs can be controlled by the associated user equipment based on instructions signalled to said user equipment from the' user equipment associated with the other one of the legs.
- a user equipment for communication via a communication system comprising means for generating and interpreting messages that include information regarding possible modes of communication available for the user equipment and means for controlling the mode that shall be used for communication in accordance with information included in such a message.
- a method in a communication system comprising: initiating a procedure for setting ' up a communication media between at least two user equipment;
- a communication system comprising means for providing a communication media between at least two user equipment, and a network element for controlling a communication leg of said communication media, said leg being provided between a user equipment and the communication system, the network element being adapted for sending and/or receiving information regarding at least two modes of communication, one of the modes being for use in the beginning of communication via said communication media and the at least- one other mode being reserved for possible use during the communication via the communication media, and also for sending and/or receiving an indicator regarding a mode selected among said at least two modes, and for setting the mode of communication in said leg in accordance with the indicator.
- a network element for a communication system ⁇ the element being arranged to control a communication leg provided between a user equipment and the communication system, for sending and/or receiving information regarding at least two modes of communication, one of the modes being for use in the beginning of communication via said communication leg and the at least one other mode being reserved for possible use during the communication via the communication leg, for sending and/or receiving an indicator regarding a mode selected among said at least two modes, and for setting the mode of communication in said leg in accordance with the indicator.
- the embodiments of the invention may provide a solution wherein a video or other multimedia call can be started in a less demanding i.e. a lower grade mode such as in the speech mode .
- the lower grade mode may be cheaper to use .
- a swap to multimedia can be made only when required.
- a return to the cheaper speech mode can be made when the multimedia mode is no longer required.
- the swap may be automatically synchronised and controlled without requiring any activation by the users .
- Figure 1 is a schematic presentation of a communication system wherein the embodiments of the present invention can be applied to;
- Figure 2 is a flowchart illustrating operation in accordance with an embodiment of the present invention
- FIGS. 3 to 5 are signalling flowcharts for various embodiments of the present invention.
- Figure 6 is a flowchart illustrating operation in accordance with another embodiment of the present invention.
- Figure 7 shows a further embodiment .
- Figure 1 shows a communication system wherein the embodiments of the present invention may be employed. More particularly, Figure 1 shows a circuit switched PLMN network 10 and two mobile user terminal equipment, i.e. mobile stations MS A and MS B.
- the operation of a typical PLMN system, such as those based on the GSM, and various elements thereof is known by the skilled person, and is thus not explained in any greater detail .
- each of the mobile stations MS r A and MS B may communicate over a wireless interface with a respective base station BS1, BS2 of the communication network 10.
- the communication link or media between mobile stations MS A and MS B consist of the two wireless interfaces and the intermediate communication media within the network 10.
- Each of the mobile switching centres may comprise a home MSC or a visited MSC.
- the MSCs may be provided with any appropriate controller entity, such as a server or a more conventional switching entity.
- the controller entities 1 and 2 are for ' controlling the provision of the wireless communication " links for the mobile stations MS A and MS B, respectively.
- the herein described embodiments are implemented by means of the user terminal equipment MS A and MS B or the apparatus of the communication network. The following will describe these possibilities, starting from the solution wherein the change of the communication mode is initiated by means of communication between at least two user terminal equipment .
- the terminal may reserve a possibility to swap later on to another mode.
- the user may wish to reserve a possibility to change to a UDI/RDI (Unrestricted Digital Information / Restricted
- the calling user terminal equipment MS A may accomplish this by sending two Bearer Capability Information Elements (BCIEs) in a SETUP message (e.g. a GMS/UMTS SETUP message) .
- the BCIEs may comprise a ⁇ Speech' BCIE and a X UDI/RDI Multimedia' BCIE.
- the BCIEs are preferably in the order the user of the calling user equipment MS A wishes the call to proceed.
- the GSM/UMTS SETUP messages are capable of carrying two BCIEs. Thus the provision of this feature will not necessarily require any major modifications of the already existing setup signalling mechanism.
- the calling user equipment MS A may also send ⁇ a '" "speech first" indication.
- the "speech first" indication - is preferably transparent for the network 10.
- the indicator is intended to be used by the called user equipment MS B only.
- the known User-to-User Service (UUS) is used for the signalling of the indicator from the calling user equipment MS A to the called user equipment MS B.
- the User-to-User Service (UUS) is a standard feature that is already implemented in network elements of a modern communication system.
- the indication can be e.g. a text command like "Speech", a flag or any other appropriate indicator that can be interpreted by the called party user equipment MS B. What is essential is that the called user equipment MS B can interpret the indicator to be able to determine the mode that shall be used for the communication. More precise examples of appropriate indicators, possibilities to signal the indicator and subsequent operation will be given later with references to the signalling flow charts of Figures 3 to 5.
- the called user equipment MS B After the called user equipment MS B has received the indicator, it may send an acknowledgement thereof and initiate a procedure for the setup of its end leg into the speech mode . The two user equipment may then communicate in the speech mode via the network.
- the change can be initiated by signalling an appropriate indicator from one user equipment to another. This can be accomplished in the direction from the user equipment MS A to the user equipment MS - " B or vice versa.
- the Indicator is activates a procedure for changing the mode from speech to multimedia at its leg. After both end legs have been modified, the communication continues in the multimedia mode. It may be required in some applications that the communication path between the end legs is also modified, although this is not the preferred option.
- the indication can be sent already in SETUP Initial Address Message (IAM) using the so called UUS service 1.
- the UUS service 1 refers to a user to user signalling service that can be used when signalling call setup messages.
- the IAM is passed through the exchanges 1, 3 and 2.
- the called user equipment MS B receives the SETUP (IAM) message containing the UDI/RDI request.
- the reception of a SETUP message as such is an existing feature of the ISUP and/or the GSM/UMTS, and will thus not be explained in any greater detail.
- the MS B may send an acknowledgement in an appropriate message. For example, messages such as 'ALERTING', 'Address Complete Message' " (ACM) or 'CONNECT Answer Message' (ANM) may be forwarded to the calling user equipment MS A.
- the call is then set up as a speech call, as was indicated by the SETUP message.
- the connection in the intermediate network may use a UDI/RDI transmission without compression to facilitate an easier swap from speech mode to UDI/RDI Multimedia mode, should this be required.
- the called terminal MS B when it receives a "speech" indication, it consequently responds to the SETUP IAM with two BCIEs, such as 'Speech' and 'Multimedia' .
- the BCIEs may be transported in this order so that the call will start with speech.
- the receiving user equipment MS B may also acknowledge receipt of the initial speech indication from the calling user equipment MS A (using e.g. the above mentioned UUS mechanism) .
- the called user equipment MS B may also reserve the possibility to swap the modes later, if required.
- the called user equipment MS B ⁇ may also indicate by means of the 1 st BCIE which mode to use in the start of the call.
- the called user equipment MS B may respond to the setup messages with a "UDI/RDI first" (i.e. UDI/RDI Multimedia BCIE and a Speech BCIE in this order) and initiate a modification to speech (between itself and the serving network) later, e.g. immediately after the SETUP.
- a "UDI/RDI first" i.e. UDI/RDI Multimedia BCIE and a Speech BCIE in this order
- a modification to speech between itself and the serving network
- the calling user equipment MS A gets a negative acknowledgement to the "speech" request or does not get an acknowledgement at all.
- the called terminal or the intermediate network does not support the used signalling mechanism, e.g. the UUS.
- the calling user equipment MS A may then initiate a modification to UDI/RDI Multimedia (between itself and the serving network) .
- a multimedia call would then result between the two user equipment .
- UUS service 2 in SETUP Initial Address Message (IAM) and use the UUS service 2 to convey the indication and the acknowledgement messages in between ALERTING (ACM) and CONNECT (ANM) in a USER INFORMATION (USR) message (this is a User-to-user information message) .
- ACM ALERTING
- ANM CONNECT
- USER INFORMATION USER INFORMATION
- the called user equipment MS B may respond to the setup message with a "UDI/RDI first" (i.e. UDI/RDI Multimedia BCIE and a Speech BCIE in this order) and initiate a modification to speech (between itself and the serving network) later, e.g. immediately after the SETUP.
- UDI/RDI first i.e. UDI/RDI Multimedia BCIE and a Speech BCIE in this order
- the UUS service 3 may be invoked in SETU (IAM) or, as shown by Figure 4a, after the active call phase is reached using the so called Facility Request Message and Facility Accepted Message (FAR and FAA) of the ISUP.
- FAR and FAA Facility Request Message and Facility Accepted Message
- the indication of the mode and possible acknowledgements may then be conveyed with " a USER INFORMATION (USR) message in the beginning " of " the active call state.
- APM Application Transport Mechanism
- the network apparatus such as a MSC (or MSS) may convert the BCIEs from the calling party MS A for the ISUP/BICC and forward them towards the called party MS B.
- the ISUP Fallback facility as defined e.g. in ITU-T Q.764, may be requested.
- the user equipment may change i.e. swap between these modes. The following will describe possible procedures for a swap from speech to a Multimedia or vice- versa during a call.
- a user may activate his/her user equipment MS A to send a "swap to multimedia" (or "swap to speech") indication.
- the indication is preferably transparent to the intermediate network apparatus 1 to 3 and is meant only for the other party of the connection (MS B) .
- the User-to-User Service (UUS) may be used for the signalling.
- the indication can be e.g. a text message or command, a flag and so on .
- a UUS service 3 may have been invoked already in the SETUP (IAM), or during the active call phase with a' FACILITY (FAR & FAA) message. After invocation UUS service 3 can be used in an active phase of a call to convey the swap indications and acknowledgements e.g. by a USER INFORMATION (USR) message.
- IAM SETUP
- FAR & FAA FACILITY
- UUSR USER INFORMATION
- an alternative to the use of the UUS mechanism is to use APM mechanism with a suitable APM user application.
- the called user equipment MS B receives the "swap to multimedia/speech" indication and, consequently, initiates a modification from Speech mode to UDI/RDI Multimedia mode or from Multimedia mode to Speech mode.
- the modification is initiated by the user equipment and may only concern the leg between the user equipment MS B and an element of the serving network, such as the serving exchange 2.
- the user equipment MS B may also acknowledge the "swap to multimedia/speech" indication to the user equipment MS A using e.g. the above mentioned UUS or the user information message.
- the user equipment MS A receives the acknowledgement and, consequently, initiates a modification from speech to UDI/RDI Multimedia or multimedia to speech between itself and the serving network.
- connection at both end legs is modified at the initiative of the respective user equipment MS A and MS B.
- connection in the intermediate network may all the time use a UDI/RDI transmission without compression to make a possible later swap to UDI/RDI
- the user equipment MS A gets a negative acknowledgement to the "swap" request or does not get an acknowledgement at all (i.e. MS B or the intermediate network does not support the used signalling mechanism, e.g. the UUS), the user equipment MS A stays in the current mode .
- a user equipment such as a mobile station and/or an ISDN terminal shall support the swap feature by being capable of generating and recognising UUS "swap" messages.
- a calling user equipment MS A When a calling user equipment MS A wants the call to start with speech, but reserves the possibility to swap to UDI/RDI Video/Multimedia later during the call, it may send two BCIEs (Speech BCIE and UDI/RDI Multimedia BCIE in this order) in the SETUP message.
- a controller entity 1 such as the MSC Mobile services Switching Centre or a MSC Server (MSS) may then convert the BCIEs for ISUP/BICC and forward these to another network element, and more particularly towards to a corresponding network element 2 serving the called user equipment MS B.
- MSS MSC Mobile services Switching Centre
- MSB MSC Server
- the controller entity serving the MS A sends also a "speech" indication which is transparent to the intermediate network apparatus and is meant for the corresponding network element 2 serving the called user equipment MS B.
- the User-to-User Service UUS
- UUS User-to-User Service
- An alternative to the UUS mechanism is the APM mechanism with a suitable APM user application.
- the network element 2 serving the called user equipment MS B receives the SETUP (IAM) with the UDI/RDI request.
- the network element 2 receives also a "speech first" indication.
- the serving network element 2 may consequently forward the
- the BCIEs may need to be converted from ISDN to 3GPP format .
- the called user equipment MS B may respond to the SETUP with two BCIEs, Speech and Multimedia in this order, to start with speech.
- the network element 2 serving the called party MS. ' B acknowledges the "speech" indication to the network element 1 serving the calling party user equipment MS A.
- the above discussed UUS may be used also for this purpose.
- the call is then set up as a speech call.
- the connection in the intermediate network may use a UDI/RDI transmission without compression to make a possible later swap to UDI/RDI Multimedia easier.
- the network element 1 serving the calling user equipment MS A may initiate a modification to UDI/RDI Multimedia (between itself and MS A) .
- a user of either the calling or the called user equipment wants to swap from Speech to Multimedia or vice versa during the call
- the user may initiate the swapping procedure at his/her equipment.
- E.g. an In-Call Modification procedure may be used in here, this being an existing 3GPP feature.
- a network element serving a user equipment (e:g. MS A) initiates the In-Call Modification and thus starts the modification procedure between itself and the user equipment.
- the network element may then send a "swap to multimedia" (or “swap to speech") indication which is transparent to the intermediate network and is meant for a network element (e.g. 2) that serves another user equipment (e.g. MS B) .
- a network element e.g. 2 that serves another user equipment (e.g. MS B) .
- this may be accomplished by means of a UUS (User-to-User Service) or APM mechanism with a suitable APM user application.
- said other network element serving the other user equipment When said other network element serving the other user equipment receives the "swap to multimedia" (or “swap to speech") indication, it may consequently initiate a modification from Speech to UDI/RDI Multimedia or vice versa on the leg between itself and said other user equipment.
- the network element serving the other user equipment may acknowledge the "swap" request to the network element serving the requesting user equipment.
- the In-Call Modification procedure is then finished at this user equipment (e.g. MS A) .
- the connection at both end legs is then modified.
- connection in the intermediate network may not need ' any modification as it may have been set up to use a UDI/RDI transmission all the time without compression to make a possible later swap to UDI/RDI Multimedia easier.
- the network element 1 serving the user equipment MS A may reject the In-Call Modification and the connection stays in its current mode.
- the controller entity 1 serving the user equipment MS A communicated with the called user equipment MS B instead of the network element 2 serving the called user equipment MS B. This may be needed e.g. in a so called "mobile-to-ISDN-terminal" case.
- Signalling between a user equipment and a network element may also be required e.g. in instances wherein one party of a call is served by a packet switched (PS) network while another party B is served by a circuit switched (CS) network, see- Figure 7.
- PS packet switched
- CS circuit switched
- signalling of the required indicators occurs between an interworking network element 4 and a user equipment MS A (or the network element serving the user equipment) in communication via a circuit switched environment 10.
- the other party of the call is connected to a packet switched communication environment 20, for example to one operating in accordance with the Internet Protocol (IP) or Session Initiation Protocol (SIP) .
- IP Internet Protocol
- SIP Session Initiation Protocol
- the above disclosed solution is -"applicable also in a case wherein more than two user equipment are involved in the call, for example in the case of a conference call.
- User terminals and the conference bridge may swap in a similar manner between operating modes . It is also possible that some of the connections are in the speech mode and some in video/multimedia mode.
- any control instructions may be signalled via a link between a first user equipment and a second user equipment via a communications network where after in at least one of the user equipment may initiate a procedure for provision of control operations in accordance with said instructions.
- the initiation may occur e.g. such that said user equipment sends a control procedure activation signal to the network.
Abstract
Description
Claims
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
MXPA04003295A MXPA04003295A (en) | 2001-10-10 | 2002-10-09 | Setting mode of communication. |
AU2002343120A AU2002343120B2 (en) | 2001-10-10 | 2002-10-09 | Setting mode of communication |
KR1020047005345A KR100636893B1 (en) | 2001-10-10 | 2002-10-09 | Setting mode of communication |
BR0212754-7A BR0212754A (en) | 2001-10-10 | 2002-10-09 | Method in a communication system, communication system, user equipment for communication through a communication system, and network element for a communication system |
CA002460874A CA2460874C (en) | 2001-10-10 | 2002-10-09 | Setting mode of communication |
JP2003535422A JP2005505994A (en) | 2001-10-10 | 2002-10-09 | Communication mode setting |
EP02779783A EP1435157B1 (en) | 2001-10-10 | 2002-10-09 | Setting mode of communication |
DE60225577T DE60225577T2 (en) | 2001-10-10 | 2002-10-09 | SET COMMUNICATION MODE |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB0124323.7A GB0124323D0 (en) | 2001-10-10 | 2001-10-10 | Setting mode of communication |
GB0124323.7 | 2001-10-10 |
Publications (1)
Publication Number | Publication Date |
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WO2003032587A1 true WO2003032587A1 (en) | 2003-04-17 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/IB2002/004149 WO2003032587A1 (en) | 2001-10-10 | 2002-10-09 | Setting mode of communication |
Country Status (15)
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US (7) | US7181202B2 (en) |
EP (1) | EP1435157B1 (en) |
JP (4) | JP2005505994A (en) |
KR (1) | KR100636893B1 (en) |
CN (1) | CN1290297C (en) |
AT (1) | ATE389280T1 (en) |
AU (1) | AU2002343120B2 (en) |
BR (1) | BR0212754A (en) |
CA (1) | CA2460874C (en) |
DE (1) | DE60225577T2 (en) |
GB (1) | GB0124323D0 (en) |
MX (1) | MXPA04003295A (en) |
RU (1) | RU2316904C2 (en) |
WO (1) | WO2003032587A1 (en) |
ZA (1) | ZA200402047B (en) |
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WO2007096787A3 (en) * | 2006-02-20 | 2007-11-15 | Nokia Corp | Call establishment control for multimedia call |
KR100810330B1 (en) | 2005-04-12 | 2008-03-04 | 삼성전자주식회사 | System and method for providing service in a communication system |
JP2008530935A (en) * | 2005-02-28 | 2008-08-07 | ノキア コーポレイション | Network-driven service change from voice to multimedia |
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