WO2001031968A1 - Systeme de communication fournissant des indications de type d'appel pour des appels de groupe - Google Patents

Systeme de communication fournissant des indications de type d'appel pour des appels de groupe Download PDF

Info

Publication number
WO2001031968A1
WO2001031968A1 PCT/US2000/029396 US0029396W WO0131968A1 WO 2001031968 A1 WO2001031968 A1 WO 2001031968A1 US 0029396 W US0029396 W US 0029396W WO 0131968 A1 WO0131968 A1 WO 0131968A1
Authority
WO
WIPO (PCT)
Prior art keywords
group call
group
call
paging message
mobile terminal
Prior art date
Application number
PCT/US2000/029396
Other languages
English (en)
Inventor
Paul E. Schmidt
Thomas A. Przelomiec
Original Assignee
Ericsson Inc.
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 US09/428,378 external-priority patent/US6484037B1/en
Priority claimed from US09/428,895 external-priority patent/US6516200B1/en
Priority claimed from US09/428,893 external-priority patent/US6363258B1/en
Application filed by Ericsson Inc. filed Critical Ericsson Inc.
Priority to EP00973838A priority Critical patent/EP1230817A1/fr
Priority to AU12304/01A priority patent/AU1230401A/en
Priority to JP2001533791A priority patent/JP2003513537A/ja
Publication of WO2001031968A1 publication Critical patent/WO2001031968A1/fr

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M3/00Automatic or semi-automatic exchanges
    • H04M3/42Systems providing special services or facilities to subscribers
    • H04M3/56Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W76/00Connection management
    • H04W76/40Connection management for selective distribution or broadcast
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/57Arrangements for indicating or recording the number of the calling subscriber at the called subscriber's set
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M2203/00Aspects of automatic or semi-automatic exchanges
    • H04M2203/20Aspects of automatic or semi-automatic exchanges related to features of supplementary services
    • H04M2203/2044Group features, e.g. closed user group
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M2203/00Aspects of automatic or semi-automatic exchanges
    • H04M2203/20Aspects of automatic or semi-automatic exchanges related to features of supplementary services
    • H04M2203/2066Call type detection of indication, e.g. voice or fax, mobile of fixed, PSTN or IP
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M2203/00Aspects of automatic or semi-automatic exchanges
    • H04M2203/50Aspects of automatic or semi-automatic exchanges related to audio conference
    • H04M2203/5063Centrally initiated conference, i.e. conference server dials participants
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M2207/00Type of exchange or network, i.e. telephonic medium, in which the telephonic communication takes place
    • H04M2207/18Type of exchange or network, i.e. telephonic medium, in which the telephonic communication takes place wireless networks
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M3/00Automatic or semi-automatic exchanges
    • H04M3/42Systems providing special services or facilities to subscribers
    • H04M3/46Arrangements for calling a number of substations in a predetermined sequence until an answer is obtained
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M3/00Automatic or semi-automatic exchanges
    • H04M3/42Systems providing special services or facilities to subscribers
    • H04M3/46Arrangements for calling a number of substations in a predetermined sequence until an answer is obtained
    • H04M3/465Arrangements for simultaneously calling a number of substations until an answer is obtained
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W68/00User notification, e.g. alerting and paging, for incoming communication, change of service or the like

Definitions

  • the present invention relates to the field of communications systems, and
  • phone mode The details of phone mode operation in cellular
  • Some cellular phones are not only capable of operating in phone mode,
  • radio mode but also in what will be referred to herein as radio mode. Examples of such dual- mode devices may be seen in U.S. Patent 5,450,618 and U.S. Patent
  • the cellular phone does not appear to the user as simultaneously
  • PTT push-to-talk
  • Group calls are being used for group calls. Group calls
  • predefined group may be reached using a wide variety of equipment, such as
  • group call is a conference call involving a predetermined plurality of users on a
  • a broadcast group call is a broadcast group call from one location to all listening members, such as a
  • the list of possible participants in the group call other than the originator for the group call i.e., the group members
  • the present invention supplies certain types of communications terminals
  • the Group Call Server in charge of the group
  • the terminal is adapted to receive and act upon such information.
  • the group call server consults its user group
  • the database has records therein corresponding to group members of
  • the records preferably include an indication of the
  • the group call server alters the group call server
  • calling party field of the page message to include additional information
  • the group call server proceeds as in the prior art. For instance, the group call
  • server can augment the calling party number to add one or more indicator flags.
  • a first flag may indicate priority level and a second flag may
  • the group call server initiates a paging message that includes additional information about the group call for Enhanced Terminals.
  • the present invention further provides a mobile communications terminal
  • the communications terminal such as a
  • the mobile terminal preferably examines the
  • the mobile terminal automatically answers group calls of
  • the present invention allows for both the
  • FIGURE 1 is perspective view of one embodiment of a communications
  • a wireless communications device adapted for the present invention.
  • FIGURE 2 is a schematic representation of the wireless communications
  • FIGURE 3 shows a portion of memory including a plurality of memory
  • FIGURE 4 shows one process flow for handling group calls according to
  • CDMA Code Division Multiple Access
  • mobile terminal shown is a digital cellular telephone, but the invention is not so
  • terminals but instead includes landline communications terminals, or other types
  • communications terminals including Internet based communications terminals
  • the phone 20 is preferably a dual-
  • the cellular telephone 20 typically includes a controller 22, an operator
  • the interface 26 a transmitter 38, a receiver 50, and an antenna assembly 58.
  • operator interface 26 typically includes a display 28, keypad 30, control unit 32,
  • the display 28 allows the operator to
  • the keypad 30 allows dialed digits, call status, and other service information.
  • the keypad 30 allows dialed digits, call status, and other service information.
  • the unit 32 interfaces the display 28 and keypad 30 with the controller 22.
  • the microphone 34 receives acoustic signals from the user and converts
  • Speakers 80,85 convert
  • the first speaker 80 is low volume speaker, typically located
  • second speaker 85 is a high volume speaker typically located on the opposite end
  • speaker 80 acts as the phone's primary speaker when the phone is in "phone
  • the high volume speaker 85 acts as the phone's primary speaker in
  • the keypad 30 includes a plurality of keys, including at least a first key 70
  • the first key 70 is a send
  • the second key is a PTT key. It is to be understood that the keys of the
  • keypad 30 may be physical keys or virtual keys (such as shown on the display
  • the send key 70 be located some distance from the
  • the send key 70 may be proximate a common three by
  • the PTT key 75 may be located on the side of the phone 20, proximate the display 28.
  • the analog electrical signal from the microphone 34 is supplied to the analog electrical signal from the microphone 34.
  • the transmitter 38 includes an analog to digital converter 40, a
  • analog to digital converter 40 changes the analog electrical signal from the
  • the microphone 34 into a digital signal.
  • the digital signal is passed to the digital
  • DSP signal processor
  • the speech coder 44 compresses the digital signal and the channel coder 46
  • the DSP 42 inserts error detection, error correction and signaling information.
  • DTMF tone generator may include, or may work in conjunction with, a DTMF tone generator (not
  • phase modulator and RF amplifier 48 which are shown as a
  • the modulator converts the signal to a form which is
  • the RF amplifier then boosts the RF signal
  • the receiver 50 includes a receiver/amplifier 52, digital signal processor
  • the digital signal processor 54 typically includes an equalizer to
  • a detector for determining transmitted bits based on the extracted sequences.
  • channel decoder detects and corrects channel errors in the received signal.
  • channel decoder also includes logic for separating control and signaling data from
  • Control and signaling data is passed to the controller 22.
  • the digital signal processor 54 may include, or may work in
  • the digital to analog converter 56 converts the speech data into an analog
  • the antenna assembly 58 is connected to the RF amplifier of the
  • the assembly 58 typically includes a duplexer 60 and an antenna 62.
  • the duplexer 60 typically includes a duplexer 60 and an antenna 62.
  • the controller 22 coordinates the operation of the transmitter 38 and the
  • receiver 50 may for instance take the form of a common microprocessor.
  • This coordination includes power control, channel selection, timing, as well as a
  • the controller 22 inserts signaling messages into the
  • the controller 22 responds to any base station commands contained in the
  • Memory 24 stores and supplies information at the direction of the controller
  • memory 24 are a plurality of memory locations 90 for storing call addresses. See
  • the first section 92 is a section 92 that is a section 92 that is a section 92 that is a section 92 that is a section 92 that is a section 92 that is a section 92 that is a section 92 that is a section 92 that is a section 92 that is a section 92 that is a section 92 that is a section 92 that is a section 92 that is a section 92 that is 92 and the second section 94.
  • the first section 92 is a section 92 and the second section 94.
  • N is assumed to be twenty-
  • memory locations 90 may be filled non-contiguously
  • memory locations 1 , 4, 8, 10, 24, and 35-45 may be filled, while the
  • remainder may be empty.
  • the phone 20 is preferably operational in both phone mode and radio
  • Phone mode is simply a phone operational mode that is characterized by
  • the phone 20 to be simultaneously bi-directional. This behavior is common in
  • Radio mode is a phone 20 operational
  • radio mode In radio mode, a conversation appears to the user of the phone 20 to be
  • the PTT key 75 is pushed, the microphone 34 of the phone 20 is active; when the
  • condition of the PTT key 75 corresponding to the active microphone 34 may be
  • the active speaker 85 may be called the "listen position.” This type of operation is
  • radio mode behavior of the phone 20 is localized to the phone
  • the wireless communications system are as a digital cellular phone in phone
  • radio mode operation of a phone 20 is further disclosed in co-owned U.S. Patent
  • a user will fill one or more of the available memory locations 90
  • Call address information is typically a common
  • phone number such as one associated with another cellular phone, or a
  • each call address there may be an alphanumeric identification tag associated with each call address, such as a
  • call address is used herein rather than "phone
  • call address information may be a phone number
  • address information may instead be a group identification number used to
  • a group call as described above, is a special type of call where the call
  • Group calls come in a variety of call types. Two common call types
  • Broadcast type the main information flow
  • originator of the group call may talk, while the recipients are limited to listening.
  • the main information flow during the group call may be
  • participating group members may both speak and listen.
  • Each call type may be further classified into call subtypes. For instance,
  • Talk type groups calls may be further divided into Sequential, Simultaneous-First-
  • Sequential subtype group call may be thought of as a concatenated series of
  • originator need not dial each number in series, but may instead dial a single
  • the Simultaneous-First-Answer subtype group calls
  • Conference subtype group call when successful, results in a group call between
  • the originator and one or more group members are the originator and one or more group members.
  • the present invention addresses this and other problems by supplying
  • present invention contemplates the Group Call Server in charge of the group call
  • receiving phone may determine how to respond, such as by not automatically
  • group calls are handled by a Group Call Server associated with
  • the Group Call Server is a logical portion
  • the Group Call Server typically includes a database of user groups, where
  • each group member's call address (e.g., phone number) is listed.
  • phone number e.g., phone number
  • the Group Call Server database should preferably also include an
  • equipment type may be a conventional, prior-art cellular phone, or the equipment
  • communications devices e.g., phones
  • a communications device e.g., phones
  • Enhanced Terminals wireless communications devices will be referred to as Enhanced Terminals.
  • the records in the Group Call Server database should preferably include an
  • a group call originator typically initiates a group call
  • this group identification number typically consists of ten digits
  • the originator may optionally
  • the call type and so forth is pre-set for each user group. It is not limited to
  • the Group Call Server becomes involved (box 230), or may occur earlier, the
  • the Group Call Server consults its database and determines
  • group call is a Conference subtype, a "3;" if the group call is a Broadcast type, a
  • Terminals would be augmented, while paging messages targeted at other group calls, but the originator may be allowed to change the priority level to "alert"
  • two indicator flags may be used
  • Enhanced Terminal mobile terminals may be, according to
  • originator may initiate a group call typically in
  • the originator may call a publicly defined user group
  • This user group identification number is publicly defined in
  • pilot group call In the United States, the pilot group
  • identification numbers are typically ten digits in length.
  • the paging messages are then transmitted to the appropriate mobile
  • the targeted mobile terminal is an Enhanced Terminal
  • the targeted mobile terminal receives the paging message (box 280) and
  • the mobile terminal auto-answers the call. If the mobile terminal 20
  • the mobile terminal parses the flag
  • the Enhanced Terminal mobile terminal responds to
  • the page by, for instance, either auto-answering or by generating an alert such as
  • the auto-answer feature may be selectively disabled for
  • group calls in radio mode, depending on the characterisitics of the group call.
  • the group call may have a priority level assigned
  • a priority level of "normal" may be the default for most
  • group call originator may also initiate a group call by dialing a privately defined
  • private group numbers may have different meanings for different users.
  • the wireless communications system receives " * 12" in the dialed digits field, the
  • the Group Call Server would in turn
  • the Group Call Server would generate a group call to a different user group than if
  • the Group Call Server handles pilot group calls differently than
  • private group calls For private group calls, the calling party number included in
  • the paging message should be the originator's call address. However, for pilot
  • receiving terminals programmed to display caller ID will display the originator's
  • the receiving terminals will display the user
  • operation of the group call server in some systems may prevent the substitution of
  • the pilot number for the originator's number for instance to comply with local law.
  • the pilot/private and priority level options are both the pilot/private and priority level options.
  • originator unit 888 444-1111 initiates a pilot group
  • the user group includes three group members
  • the Group Call Server that
  • the first group member has a Enhanced Terminal, as indicated in the
  • the paging message will have a calling party field
  • This page will likewise include the 9995552525#1 in the calling party
  • this group member does not have an Enhanced
  • the paging message will have a calling party field that includes
  • the calling party field will include 8884441111 as the calling party ID
  • the indicator flags, the mobile terminals 20 of the present invention may vary
  • the 20 may have three or more lines, for ease of reference, the top, middle, and
  • the mobile terminal 20 may a) display the alphanumeric
  • the priority level is normal priority; b) display a generic text message (e.g.,
  • alert text message e.g., "Alert"
  • the mobile terminal 20 may display an indicator on
  • Simultaneous-First-Answer subtype conference subtype, or broadcast type.
  • the bottom line may display "SEQ" if the group call subtype is
  • the mobile terminal 20 may loudly ring with a
  • priority may only result in a low level vibration and a display of the caller ID.
  • the paging message to be altered under certain circumstances related to the
  • paging message itself may reside entirely on a portion of the SPACH or
  • the paging message may reside on more than one channel, including a portion of the SPACH or equivalent control channel.
  • the paging message may comprise a pointer message on the
  • the term paging message includes any
  • the group call server
  • caller ID functionality may be altered to take advantage of the present invention.
  • Such an enhanced phone should likewise examine the incoming calling party field for the presence or absence of the augmentation, and base its response to the
  • the present invention is intended to be used with a
  • communications terminals including internet based communications

Landscapes

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

Abstract

Selon l'invention, un serveur d'appels de groupe fournit une indication du type d'appel à des terminaux de communication d'un certain type, et éventuellement d'autres informations, pour des appels de groupe, de manière à distinguer de tels appels d'autres types d'appels. Le serveur d'appels de groupe en charge de l'appel de groupe peut augmenter sélectivement le champ du numéro du demandeur du message de téléappel sortant, avec un ou plusieurs drapeaux indicateurs lorsque le terminal de communication cible est conçu pour recevoir et traiter de telles informations. Les drapeaux indicateurs indiquent une ou plusieurs caractéristiques de l'appel de groupe, telles que le type d'appel, le sous-type d'appel, ou le niveau de priorité. Un drapeau peut indiquer le niveau de priorité et un autre peut indiquer le sous-type d'appel de l'appel de groupe. Les terminaux de communication recevant le message de téléappel augmenté fourniront leur réponse, telle qu'une réponse automatique ou non, sur la base des caractéristiques d'appel de groupe indiquées dans le message de téléappel. Le serveur d'appel de groupe peut reposer sur une flexibilité pré-intégrée dans des protocoles de signalisation et d'interface hertzienne existants, de manière que le procédé selon l'invention peut être mis en oeuvre sans devoir changer l'interface hertzienne ou le BMI.
PCT/US2000/029396 1999-10-28 2000-10-25 Systeme de communication fournissant des indications de type d'appel pour des appels de groupe WO2001031968A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP00973838A EP1230817A1 (fr) 1999-10-28 2000-10-25 Systeme de communication fournissant des indications de type d'appel pour des appels de groupe
AU12304/01A AU1230401A (en) 1999-10-28 2000-10-25 Communications system providing call type indication for group calls
JP2001533791A JP2003513537A (ja) 1999-10-28 2000-10-25 グループコール用の呼型式表示を行う通信システム

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US09/428,378 US6484037B1 (en) 1999-10-28 1999-10-28 Method of establishing group calls in a communications system
US09/428,895 1999-10-28
US09/428,893 1999-10-28
US09/428,378 1999-10-28
US09/428,895 US6516200B1 (en) 1999-10-28 1999-10-28 Controlling communications terminal response to group call page based on group call characteristics
US09/428,893 US6363258B1 (en) 1999-10-28 1999-10-28 Communications system providing call type indication for group calls

Publications (1)

Publication Number Publication Date
WO2001031968A1 true WO2001031968A1 (fr) 2001-05-03

Family

ID=27411584

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2000/029396 WO2001031968A1 (fr) 1999-10-28 2000-10-25 Systeme de communication fournissant des indications de type d'appel pour des appels de groupe

Country Status (5)

Country Link
EP (1) EP1230817A1 (fr)
JP (1) JP2003513537A (fr)
CN (1) CN1385049A (fr)
AU (1) AU1230401A (fr)
WO (1) WO2001031968A1 (fr)

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EP1283648A1 (fr) * 2001-08-07 2003-02-12 Siemens Aktiengesellschaft Procédé, terminal et système de radiocommunication pour transmission de messages de groupe
WO2003069947A1 (fr) * 2002-02-14 2003-08-21 Qualcomm Incorporated Serveur d'initiation d'appel de groupe dans un reseau de communication de groupe
CN1643969A (zh) * 2002-02-14 2005-07-20 高通股份有限公司 用于将用户加入组通信网中的组呼叫的通信设备
EP1648120A2 (fr) 2004-10-12 2006-04-19 Deutsche Telekom AG Procédé de communication avec fonctionnalitée push-to-talk
EP1775985A1 (fr) * 2005-10-17 2007-04-18 NTT DoCoMo INC. Serveur d'appel de groupe, système d'appel de groupe, terminal et procédé d'appel de groupe pour se recommender à un appel de groupe
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US7603126B2 (en) 2001-05-15 2009-10-13 Qualcomm Incorporated Method and apparatus for avoiding simultaneous service origination and paging in a group communication network
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CN100417250C (zh) * 2006-07-10 2008-09-03 华为技术有限公司 一种业务用户加入组呼的方法及系统
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JP5582278B2 (ja) * 2008-07-29 2014-09-03 BizMobile株式会社 通話制御システム及び通話制御方法
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CN1385049A (zh) 2002-12-11
AU1230401A (en) 2001-05-08

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