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WO2001031947A1 - Amelioration de la procedure d'etablissement d'appel aboutissant a un mobile - Google Patents

Amelioration de la procedure d'etablissement d'appel aboutissant a un mobile Download PDF

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Publication number
WO2001031947A1
WO2001031947A1 PCT/EP1999/008019 EP9908019W WO0131947A1 WO 2001031947 A1 WO2001031947 A1 WO 2001031947A1 EP 9908019 W EP9908019 W EP 9908019W WO 0131947 A1 WO0131947 A1 WO 0131947A1
Authority
WO
WIPO (PCT)
Prior art keywords
terminal
til
call
communication network
message
Prior art date
Application number
PCT/EP1999/008019
Other languages
English (en)
Inventor
Pekka Ruuska
Original Assignee
Nokia Corporation
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 Nokia Corporation filed Critical Nokia Corporation
Priority to AU10428/00A priority Critical patent/AU1042800A/en
Priority to PCT/EP1999/008019 priority patent/WO2001031947A1/fr
Priority to EP99953918A priority patent/EP1222826A1/fr
Publication of WO2001031947A1 publication Critical patent/WO2001031947A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/12—Messaging; Mailboxes; Announcements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/16—Communication-related supplementary services, e.g. call-transfer or call-hold

Definitions

  • the present invention relates to a method of sending a message from a terminal to a communication network if this terminal is presently busy with at least one call.
  • the present invention proposes therefor to enhance the mobile terminated call establishing procedure.
  • the present invention relates to a communication network and a terminal for that purpose.
  • packet switched connections may consume many of the terminals resources (as for example may be the case if image data is transferred) , particularly, if there is more than one connection, and users usually are not able to handle an unlimited number of speech calls (e.g. circuit switched) at one time, although the circuit switched multicall service of UMTS will allow a user to deal with several calls even of different communication networks.
  • the resources of the terminal are low or the user is too busy to accept further calls, a further call will not be accepted due to the fact that this would not be possible due to the resource shortage or priorisation.
  • the calling party i.e. its communication network
  • the calling party only recognizes that this terminal which is busy is not answering. This is a mistaken determination of the called party and can lead to some serious drawbacks.
  • a communication network may provide a service what to do with an unaccepted call.
  • the kind of such a service can depend on the kind of refusal of the call.
  • the communication network gets false or inadequate and thus misleading information of the user status, the wrong services are activated, resulting in incorrect and unwanted actions from the network side.
  • the above mentioned consequences are also possible in this case.
  • this object can be achieved by a method of sending a message from a terminal to a communication network if said terminal is presently busy with at least one call, said method comprising the subsequent steps of establishing another call to said terminal within said communication network; and informing said communication network about the status of said terminal by sending a message from said terminal to said communication network, wherein said message contains an indication that a user of said terminal is busy with said at least one call.
  • the object can also be achieved by a method of sending a message from a terminal to a communication network, said method comprising the subsequent steps of informing said terminal from said communication network that said communication network is about to establish another call; and informing said communication network about the status of said terminal by sending a message from said terminal to said communication network, wherein said message contains an indication if a user of said terminal is busy with said at least one call.
  • a communication network comprising means adapted for a communication with terminals within said communication network; means adapted for a communication with terminals of said communication network and another communication network; and a device providing a multicall service for the handling of several simultaneous calls by one terminal of said communication network, wherein said multicall service device informs a calling terminal about a status of a called terminal of said communication network, if said called terminal is busy with at least one call.
  • a terminal for the subscription to different communication networks comprising means adapted for performing multicall handling; and means adapted for sending a message about the status of said terminal which message can be sent if said terminal is busy with at least one call.
  • both calling user and called user get more accurate information, which applies also to respective service providing devices of the communication networks.
  • these devices are thus properly informed about the actual user status, they can better serve the users.
  • One example therefor is that the correct forwarding service is chosen if a call is not answered.
  • any aspects described in accordance with the present invention form part of a fully automated process. That is, according to the present invention, any action in the present method or from the present communication network and from the present terminal, respectively, is automatically performed.
  • a user of the present terminal always can have full control over this automated process, e.g. by defining the presetting of the terminal and the terminal related services of the respective communication network, respectively.
  • Fig. 1 shows a schematic diagram of the situation underlying the present invention
  • Fig. 2 shows a schematic diagram of a communication network according to the present invention being in connection with another communication network
  • Fig. 3 shows a schematic diagram of the features which can be imparted to a terminal according to the present invention .
  • the situation underlying the present invention is that a user of a terminal Til is in principle able to subscribe to different communication networks, and the user of a terminal Til may be able to use more than one active channel simultaneously within one or more of those networks.
  • the above mentioned different communication networks may be a usual circuit switched communication network CS2, which can be a home network for the user, and a corresponding packet switched communication network PS2 for the transmission of non-speech data like multimedia messages, emails, facsimiles and so on, and speech data like voice over internet.
  • the user may be able to subscribe to other communication networks, which also may be either circuit switched or packet switched.
  • circuit switched multicall means the case where more than one circuit switched call from one circuit switched network can be in active state with one terminal simultaneously.
  • a third network connection might be possible as is conceivable according to the present invention, but this is not the basic approach of circuit switched multicall.
  • a further call C12 particularly a circuit switched call having speech data contents, is established to the terminal Til.
  • this call C12 might be established in a communication network CSl within which another call Cl ⁇ is already present, or which communication network CSl is different from a communication network CS2 within which another circuit switched call C13 is active.
  • the communication network CSl is not aware of calls being active within it, or even more, being active within other communication networks CS2, PS2.
  • the result would be that the call C12 is not accepted by the terminal Til or its user, although terminal Til is registered as being present in the communication network CSl in which the call C12 is established.
  • the communication network CSl will not eternally try to reach terminal Til, but rather activate a predetermined service after the expiry of a predetermined time period what to do with the call C12 from the terminal T12 to the terminal Til.
  • the kind of service strongly depends upon the reason for which the call was not answered. In this connection, one should bear in mind that this reason is not only transported to technical devices, but can also be apparent to a human user of the terminal T12.
  • the terminal Til since the communication network CSl cannot obtain on its own the true status of the terminal Til and thus the true reason why the user of the terminal Til is not answering, the terminal Til informs the communication network CSl with a message about the present status of the terminal Til, if the user of the terminal Til is presently busy with another call.
  • Another embodiment according to the present invention is that if a user of a terminal T12 within a certain communication network calls a user of a terminal Til within a certain communication network, be it the same as that of terminal T12 or another, then the certain communication network of terminal Til informs the terminal Til, for example with a message, that it is about to establish a connection to terminal Til. It is expressly mentioned that this informing is done before the actual establishing of the call from the certain communication network of terminal Til and the terminal Til is executed. Consequently, as an answer to that informing of the communication network to which terminal Til presently subscribes to, said terminal Til informs its communication network back whether it does have free resources to accept another call or not.
  • a communication network Nl comprises means 21 for enabling a communication between a terminal Til of the communication network Nl and a terminal T22 of another communication network N2. Furthermore, means 24 are present in the communication network Nl for a communication between a terminal Til and another terminal T12, both within the communication network Nl .
  • the other communication network N2 could also be a typical fixed line telephone network (POTS).
  • POTS fixed line telephone network
  • Incoming calls in the communication network Nl are processed by a gateway functionality of the means 21 while outgoing calls from the communication network Nl are processed by an interworkmg functionality.
  • these functions are included in a respective mobile services switching center MSC.
  • another communication network N2 also has to have means 22 for such a purpose which would basically correspond to the means 21.
  • the communication network Nl has to comprise a device 23 which provides that service. Accordingly, this device is responsible for delivering the message indicating that the user of the terminal Til is busy with another call.
  • this device 23 can be implemented in another device of the communication network Nl, that is, the present invention is not directed to the location of this device 23.
  • the terminal Til is able to inform another terminal T12, T22 being present within the communication network Nl or within another communication network N2, respectively, that the user of terminal Til is busy with another call, if a terminal T12, T22 intends to establish a call to terminal Til.
  • the terminal Til comprises means MCM adapted for performing multicall handling, and means MSM adapted for sending a message about the status of said terminal Til, e.g. in a case when said terminal Til is busy with another call, as shown in Fig. 3.
  • the terminal Til may further comprise means CSM for processing circuit switched data and/or means PSM for processing packet switched data. Consequently, the terminal Til is able to subscribe to different communication networks, wherein it accurately interacts with other terminals of those different communication networks. Thus, provided services are accurately informed and properly performed. It is expressly to be noted that the described examples with respect to the number and kind (packet or circuit switched) are not intended to limit the present invention, but are only intended to illustrate the present invention.
  • a proposal for implementing the present invention is to change the rule set out in chapter 9.3.2.3 of specification GSM 04.08 to support the multicall cases, where a user may be busy with another call, although in the respective terminal still free capacities and free circuit switched or packet switched connections are available.
  • the CALL CONFIRMED message should include the information element 'cause' with
  • NN should be selected in conformance with the GSM rules for error message numbering. After this message has been sent, the respective terminal should stay in a "mobile terminating call confirmed " state as the rule in chapter 5.2.2.3.1 of specification GSM 04.06 specifies .
  • the terminal should be allowed to send the information element 'cause' with #NN "user busy with another call" also in cases where the terminal's hardware limitations or a shortage of power prevent the receiving of any new call by the terminal.
  • the communication network receives the CALL CONFIRMED message with the information element 'cause' #NN "user busy with another call", and the supplementary service 'call forwarding when user is busy 1 is activated, then after the expiration of a timer, the communication network would forward the call as specified m connection with the user busy case.
  • a communication network receives the CALL CONFIRMED message with the information element 'cause' #NN "user busy with another call”, then after the expiration of a timer, the communication network would initiate clearing procedures towards the calling user with the information element 'cause' #NN "user busy with another call” instead of the cause presently specified #19 "user alerting, no answer”.
  • a communication network can inform a calling user that a called user is busy as really is the case, although the expiry of a timer originally means that a called user has not answered or did not wanted to answer within time. With this information, the communication network can also activate proper call forwarding services, providing both the calling user and the called user a clearly better service .
  • the rejection of a call within the complete range described above could be based on the priority of the on-going call(s). This means that if the on-going call is, for example, a low priority download in the GPRS network, a GSM call could be connected while the GPRS call is suspended.
  • the present invention proposes a method of sending a message from a terminal Til to a communication network CSl if said terminal Til is presently busy with at least one call C13, C14, C15, Cl ⁇ , said method comprising the subsequent steps of establishing another call C12 to said terminal Til within said communication network CSl; and informing said communication network CSl about the status of said terminal Til by sending a message from said terminal Til to said communication network CSl, wherein said message contains an indication that a user of said terminal Til is busy with said at least one call C13, C14, C15, Cl ⁇ .

Landscapes

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

Abstract

L'invention concerne un procédé permettant d'envoyer un message d'un terminal vers un réseau de communications dans le cas où ledit terminal est occupé par au moins un appel. Ledit procédé consiste à établir un autre appel vers ledit terminal dans le cadre dudit réseau; à informer ce dernier du statut dudit terminal par l'envoi d'un message de ce terminal vers ledit réseau de communication, informant que son utilisateur est occupé par au moins un appel.
PCT/EP1999/008019 1999-10-22 1999-10-22 Amelioration de la procedure d'etablissement d'appel aboutissant a un mobile WO2001031947A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
AU10428/00A AU1042800A (en) 1999-10-22 1999-10-22 Enhancement of mt call establishing procedure
PCT/EP1999/008019 WO2001031947A1 (fr) 1999-10-22 1999-10-22 Amelioration de la procedure d'etablissement d'appel aboutissant a un mobile
EP99953918A EP1222826A1 (fr) 1999-10-22 1999-10-22 Amelioration de la procedure d'etablissement d'appel aboutissant a un mobile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP1999/008019 WO2001031947A1 (fr) 1999-10-22 1999-10-22 Amelioration de la procedure d'etablissement d'appel aboutissant a un mobile

Publications (1)

Publication Number Publication Date
WO2001031947A1 true WO2001031947A1 (fr) 2001-05-03

Family

ID=8167474

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP1999/008019 WO2001031947A1 (fr) 1999-10-22 1999-10-22 Amelioration de la procedure d'etablissement d'appel aboutissant a un mobile

Country Status (3)

Country Link
EP (1) EP1222826A1 (fr)
AU (1) AU1042800A (fr)
WO (1) WO2001031947A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0758175A1 (fr) * 1995-01-05 1997-02-12 Ntt Mobile Communications Network Inc. Systeme et procede de commutation de communication
WO1997026764A1 (fr) * 1996-01-16 1997-07-24 Nokia Telecommunications Oy Systeme de communications mobiles numerique et procedes de traitement d'un appel de raccordement
US5666364A (en) * 1996-03-01 1997-09-09 Motorola, Inc. Method for prioritizing services provided by different network entities

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0758175A1 (fr) * 1995-01-05 1997-02-12 Ntt Mobile Communications Network Inc. Systeme et procede de commutation de communication
WO1997026764A1 (fr) * 1996-01-16 1997-07-24 Nokia Telecommunications Oy Systeme de communications mobiles numerique et procedes de traitement d'un appel de raccordement
US5666364A (en) * 1996-03-01 1997-09-09 Motorola, Inc. Method for prioritizing services provided by different network entities

Also Published As

Publication number Publication date
AU1042800A (en) 2001-05-08
EP1222826A1 (fr) 2002-07-17

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