EP2289238A1 - Procédé de détermination de sessions de communication actives et serveur d information de session de communication - Google Patents

Procédé de détermination de sessions de communication actives et serveur d information de session de communication

Info

Publication number
EP2289238A1
EP2289238A1 EP09765756A EP09765756A EP2289238A1 EP 2289238 A1 EP2289238 A1 EP 2289238A1 EP 09765756 A EP09765756 A EP 09765756A EP 09765756 A EP09765756 A EP 09765756A EP 2289238 A1 EP2289238 A1 EP 2289238A1
Authority
EP
European Patent Office
Prior art keywords
communication
communication session
sessions
active
information server
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
EP09765756A
Other languages
German (de)
English (en)
Inventor
Frank Kowalewski
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Intel Deutschland GmbH
Original Assignee
Infineon Technologies AG
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 Infineon Technologies AG filed Critical Infineon Technologies AG
Publication of EP2289238A1 publication Critical patent/EP2289238A1/fr
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/40—Support for services or applications
    • H04L65/403—Arrangements for multi-party communication, e.g. for conferences
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/02—Details
    • H04L12/16—Arrangements for providing special services to substations
    • H04L12/18—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast
    • H04L12/1813—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast for computer conferences, e.g. chat rooms
    • H04L12/1822—Conducting the conference, e.g. admission, detection, selection or grouping of participants, correlating users to one or more conference sessions, prioritising transmission
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/02—Details
    • H04L12/16—Arrangements for providing special services to substations
    • H04L12/18—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast
    • 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
    • H04L65/40—Support for services or applications
    • H04L65/4061—Push-to services, e.g. push-to-talk or push-to-video
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/14—Systems for two-way working
    • H04N7/15—Conference systems
    • H04N7/152—Multipoint control units therefor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
    • H04W4/10—Push-to-Talk [PTT] or Push-On-Call services
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/40—Connection management for selective distribution or broadcast
    • H04W76/45—Connection management for selective distribution or broadcast for Push-to-Talk [PTT] or Push-to-Talk over cellular [PoC] services
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/14—Systems for two-way working
    • H04N7/15—Conference systems
    • H04N7/155—Conference systems involving storage of or access to video conference sessions

Definitions

  • the invention relates to a method for determining active communication sessions and a communication session information server.
  • a communication with technical means between certain, finally many participants is called a communication session.
  • the right to communicate (communication right) is usually controlled by means of a communication right assignment mechanism.
  • the participant of a communication session requests a communication right from a communication session server and the server approves or does not approve the right.
  • conference systems allow communication between multiple users using communication devices.
  • a conference system which provides the participants with several microphones and speakers for voice communication.
  • the microphones must be switched on by the respective speaker for use.
  • An activated microphone blocks all other microphones so that only one speaker can be active.
  • exceptionally Another microphone for example the microphone of the conference manager
  • the right to speak is therefore always given to only one participant and possibly the conference leader.
  • PTT push-to-talk
  • the commonly untranslated English term push-to-talk designates that the speaker, as with a so-called “walkie-talkie", usually operates a special key on the mobile telephone to transmit messages Service is blocked during this period, examples of PTT services include Nextel's "Direct Connect” in the United States and “Push-to-Talk over Cellular” (PoC) of the Open Mobil Alliance (OMA).
  • OMA Open Mobil Alliance
  • RTCP Real-Time Control Protocol
  • Conference systems according to the IETF and PTT conference systems usually have a centralized architecture. This means that the participants of such conference systems do not communicate directly with each other, but through a central communication session server (also referred to as Telecommunication server or telecommunication conference server).
  • the central communication session server is arranged in a mobile communication system or conference system in the non-mobile part of the telecommunications network, as will be explained in more detail below.
  • a communication session in a communication system may be active or inactive.
  • a communication session is active when the communication system is providing the necessary means of communication. If the funds are not available (for example, because the necessary communication channels are not yet prepared to transfer data), the communication session is not active.
  • a communication session in a communication system or conference system is initiated by initiating the establishment of the necessary communication means.
  • the initiation may be made by one of the communication session participants by instructing a central communication session server to provide the communication means.
  • the participant informs the server which participants should be able to communicate with each other.
  • the participants of the communication session can by a
  • a so-called predefined PTT group is specified by an address which refers to a list of subscriber addresses in a group server.
  • a so-called chat group is also specified by an address which refers to a list of subscriber addresses in a group server.
  • the members of a chat group are not all invited to one at a time Initiate chat communication session ⁇ conversation communication session). Rather, the participants of a chat group can join a chat communication session by dialing in.
  • a so-called ad hoc group ⁇ spontaneous group) is specified by a list of subscriber addresses. The addresses are specified with the invitation to an ad-hoc communication session by the inviting person.
  • the disadvantage is that a potential participant of communication sessions has no information about ongoing, that is active communication sessions. He must first dial into a communication session by means of his communication session user equipment or invite to a communication session in order to determine whether other participants are willing to participate in this communication session or willing to participate. If a potential user is interested in multiple communication sessions, it is cumbersome and time-consuming to find out which communication sessions are currently active. As a result, he may miss an interesting communication session or part of it.
  • active communication sessions are automatically determined and reported back to a request, wherein optionally only those communication sessions are returned, which fulfill further specifiable conditions.
  • a request to discover active communication sessions is received by a communication session information server. There are respective requests, whether communication sessions are currently active, from the
  • Communication session information server sent to at least two communication session server. Respective request replies of the at least two communication session servers indicating one or more active communication sessions controlled by the respective communication session server or indicating that such communication sessions do not currently exist are received by the communication session information server. A first response indicating one or more active communication sessions controlled by the at least two communication session servers or indicating that such communication sessions do not currently exist is sent by the communication session information server.
  • a communication session information server has a
  • a request acceptance unit configured to receive a request to determine active communication sessions. It comprises a request unit arranged to send respective requests, whether communication sessions are currently active, to at least two communication session servers, and arranged to receive respective request responses of the at least two communication session servers, one or more indicate or indicate that active communication sessions controlled by the respective communication session server
  • a communication session information server also referred to below as an information server, is a server that can determine information about communication sessions and send it to a requesting party.
  • a server is a technical unit that offers or controls a service, for example a communications service.
  • a server can include both hardware, eg electrical circuits, processors, storage media, etc., as well as software, eg operating systems and control programs.
  • a communication session is a communication with technical means between a certain number of participants.
  • a communication session server is a server that offers or controls communication sessions, for example, in a communication system controls connection establishment and assignment of communication rights for communication sessions.
  • a communication session information server and a communication session server may also be realized as respective functions of the same server.
  • active communication sessions are determined by a dedicated information server.
  • a user of the activity information requests the active communication sessions from the information server.
  • the information server then requests from the individual session servers the active sessions they control and forwards the collected active sessions to the requesting user.
  • the received request is a request of a communication session user equipment and the first response is sent to the communication session user equipment.
  • a requesting user may be, for example, the user of a communication terminal or user equipment, more generally a device with which a participant can participate in a communication session (communication session user equipment).
  • the request received comes from the user's device.
  • the received request may also come from another communication device, for example from a server in a communication network, and the first response may be sent back to the communication device, for example the server in a communication network.
  • the communication device for example the server, itself can be regarded as a user.
  • the received request may include one or more conditions for active communication sessions to be discovered.
  • the first answer may be arranged to indicate only those active communication sessions that have the one or the other meet several conditions or indicates that such communication sessions currently do not exist.
  • the requesting user defines conditions for the active communication sessions to be reported with his request.
  • the information server then checks the conditions and returns only those active sessions that meet the conditions, i. they fulfill. This has the advantage that it is achieved by appropriate definition of conditions that are submitted to the active sessions to be reported back, that only those sessions that interest the requesting user, are reported back.
  • the one or more conditions may relate to presence information and / or location information.
  • the communication session information server checks whether the one or more active communication sessions controlled by the respective communication session server in the respective request replies of the at least two communication session servers satisfy the one or more conditions.
  • the communication session information server indicating one or more active communication sessions controlled by the at least two communication session servers that were not specified in the first response.
  • This makes it possible to send found active communication sessions in several notification messages to a requesting user.
  • the communication sessions indicated in the second response that were not specified in the first response include one or more communication sessions that were not active at the time of sending the first response and / or that did not satisfy the one or more conditions ,
  • This has the advantage that the recipient of the second answer can be automatically informed about changes in activity of communication sessions in the sense of activity recording.
  • the communication session information server sends a third response, which indicates that one or more of the active communication sessions specified in the first and / or second response are no longer active and / or at the time of sending the third response which no longer fulfill one or more conditions.
  • the term that a communication session is specified may include specifying a group address of the communication session and / or specifying subscriber addresses of the communication session. This has the advantage that it clearly identifies the communication session or the circle of participants in the communication session. It is possible that one
  • Communication session is indicated by the subscriber addresses of all participants assigned to the communication session. It is also possible that the subscriber addresses of the currently actively participating in the communication session participants are marked, or that only the participants addresses of the currently actively participating in the communication session participants are specified. That has that 0
  • the request, the first answer, the second answer or the third answer may each be transmitted by means of a message according to a communication control protocol, wherein the communication control protocol may be one of (but not to) the following protocols
  • Session Initiation Protocol SIP Session Initiation Protocol
  • RealTime Control Protocol RTCP Hypertext Transfer Protocol (HTTP), File Transfer Protocol (FTP) Protocol), Simple Mail Transfer Protocol SMTP (simple transmission protocol for electronic mail).
  • HTTP Hypertext Transfer Protocol
  • FTP File Transfer Protocol
  • Simple Mail Transfer Protocol SMTP Simple transmission protocol for electronic mail.
  • the information server instead of exchanging messages according to a protocol, it may be provided to deposit a request with conditions in the communication session information server.
  • the information server then presents a document, such as an XML document, i. A document in Extensible Markup Language (XML) format containing all active sessions with the deposited properties.
  • the information server updates the document when active sessions commencing or terminating according to the conditions. To find active sessions that meet the conditions, the requestor reads
  • Communication device for example via XCAP (XML Configuration Access Protocol, XML Configuration Access protocol) or Xpath ⁇ XML path language, XML path language).
  • XCAP XML Configuration Access Protocol
  • XML Configuration Access protocol XML Configuration Access protocol
  • Xpath ⁇ XML path language XML path language
  • the terminal of a requesting user can read the document and determine from it active sessions themselves, which satisfy certain conditions.
  • the communication sessions according to embodiments of the invention may be those communication sessions where communication is by real time media streams. It is possible that the communication sessions are telecommunication conference sessions.
  • the telecommunications conference sessions may be Push-to-Talk over Cellular telecommunications conference sessions.
  • Figure 1 is a block diagram of a telecommunications conference system according to an embodiment of the invention.
  • FIG. 2 is a block diagram of a telecommunications conference system according to an embodiment of the invention in an expanded view;
  • FIG. 3 shows a message flow diagram in which the message flow for determining active communication sessions according to an exemplary embodiment of the invention is shown;
  • FIG. 4 shows a message flow diagram in which the message flow for determining active communication sessions according to another exemplary embodiment of the invention is shown.
  • FIG. 5 shows a flowchart in which a method according to a further exemplary embodiment of the invention is illustrated.
  • connection As used herein, the terms “connected,” “connected,” and “coupled” are used to describe both a direct and indirect connection, a direct or indirect connection, and a direct or indirect coupling provided with identical reference numerals, as appropriate.
  • Fig. 1 shows a simplified representation of a
  • Telecommunication conference system 100 according to an embodiment of the invention
  • the telecommunication conference system 100 is in accordance with the push-to-talk over cellular (PoC) standard of the Open Mobile
  • the telecommunications conference system 100 has a central PoC server PS 105 (PTT server) as a conference server, as well as a plurality of mobile radio communication terminals, such as mobile radiotelephone 110, 115, 120, 125, wherein the mobile radio communication Terminals 110, 115, 120, 125 each include a PoC client unit configured to communicate in accordance with the communication standard for Push-to-Talk over Cellular.
  • PTT server central PoC server
  • mobile radio communication terminals such as mobile radiotelephone 110, 115, 120, 125
  • the mobile radio communication Terminals 110, 115, 120, 125 each include a PoC client unit configured to communicate in accordance with the communication standard for Push-to-Talk over Cellular.
  • the mobile radio communication terminals 110, 115, 120, 125 are coupled to the PTT server 105 via a respective air interface by means of a respective radio communication connection 130, 135, 140, 145.
  • the users Tl, T2, T3, T4 and thus the users of the mobile radio communication terminals 110, 115, 120, 125 do not communicate directly with each other, but by means of the central PTT server 105.
  • the PTT server 105 represents an example of a communication session server.
  • the cellular communication terminals 110, 115, 120, 125 represent respective examples of communication session participants.
  • four subscribers T1, T2, T3, T4 and thus four mobile radio communication terminals 110, 115, 120, 125 are shown in simplified form, although any number of subscribers and mobile radio communication terminals may be provided.
  • the subscribers T1, T2, T3, T4 communicate by means of audio, that is to say by means of voice, wherein a respective subscriber in accordance with the half-duplex method exclusively receives a right of communication, in accordance with this exemplary embodiment of the invention, a voice right assigned by the PTT server 105 ,
  • the assignment of the right to speak, in general the communication right and thus the Ko ⁇ ununikationsrecht-control is done by the PTT server 105 by means of messages according to the communication protocol RealTime Control Protocol (RTCP).
  • RTCP RealTime Control Protocol
  • Requested communication rights are stored in a queue which is implemented in a memory of the PTT server 105.
  • Each participant is assigned a time slot with the assignment of a communication right, in which he can transmit voice data to the other participants of the telecommunications conference, without being able to be interrupted by the other participants can. During this time, the other participants can not bring any data into the telecommunications conference, that is they receive no communication right.
  • the telecommunications conference system 100 may be configured according to the IETF Conferencing Framework (IETF) conference framework
  • IETF IETF Conferencing Framework
  • the mobile radio communication terminals 110, 115, 120, 125 may be configured as cordless communication terminals or as wired communication terminals.
  • the communication terminals may be integrated into a computer, such as a personal computer, a workstation, a personal digital assistant (PDA), a laptop, a notebook, generally any processorized system that may be appropriate is to participate in a telecommunication conference or communication session.
  • PDA personal digital assistant
  • laptop a notebook
  • any processorized system that may be appropriate is to participate in a telecommunication conference or communication session.
  • FIG. 2 shows a block diagram of a telecommunications conference system 200 according to an embodiment of the invention in an expanded representation.
  • the telecommunications conference system 200 which is also set up in accordance with a PTT standard, for example according to PoC, as described above in connection with FIG. 1
  • the communication session CS1 206 is a communication session of a pre-arranged PTT group whose participants are connected via the mobile radiotelephones 210, 212, 214, 216 via respective mobile radio links 218, 220, 222, 224 to the PTT server
  • the PSl 202 are coupled to communicate with each other.
  • the communication session CS2 208 is a chat group.
  • the participants in the chat group can communicate with each other via their mobile phones 226, 228, 230, which are coupled to the PTT server PS1 202 via respective mobile radio links 232, 234, 236.
  • the PTT server PS2 204 controls the communication session CS3 238.
  • the communication session CS3 238 is an ad hoc session whose participants can communicate with their respective mobile phones 240, 242, 244, which are coupled to the PTT server PS2 204 via respective mobile radio links 246, 248, 250.
  • the communication sessions CSl 206, CS2 208, CS3 238 may be active or inactive at any given time.
  • a communication session is active if the communication system is currently providing the necessary means of communication. If the funds are not available (for example, because the necessary communication channels are not yet prepared to transfer data), the communication session is not active.
  • a communication session information server IS 252 is also provided.
  • the communication session information server IS 252 has a request acceptance unit 254, a request unit 256, a condition checker 258, and an answering unit 260.
  • the correspondence session information server 252 is coupled to the PTT server PS1 202 and to the PTT server PS2 204 through communication links 262 and 264, for example, for radio communication or for line communication suitable for data communication between servers.
  • a mobile telephone 266 associated with a requesting user T1 is directly or indirectly (indirectly, for example, with the intermediary of forwarding instances, for example mobile radio network units, and possibly further, also wired communication paths) coupled to the communication session information server 252.
  • the mobile telephone 266 is an example of a communication session user equipment.
  • the PTT servers PS1 202 and PS2 204 are examples of communication session servers.
  • FIG. 3 shows a message flow diagram in which the message flow for determining active communication sessions according to an embodiment of the invention is shown.
  • the representation of the message flow is based on the architecture of the telecommunication conference system 200 shown in FIG.
  • a user of PTT services would like to participate in a PTT session with the mobile telephone 266. He wishes to communicate with other participants of his age group belong (that is between 20 and 30 years) and who are currently in the same city as he (that is Kunststoff).
  • the user of the mobile telephone 266 activates this function to determine active communication sessions.
  • the mobile station 266 sends a requesting message to the communication session information server 252.
  • the requesting message includes the conditions "City of Kunststoff” and "between 20 and 30 years old".
  • Session Initiation Protocol Session Initiation Protocol
  • SIP Session Initiation Protocol
  • Session Initiation Protocol Session Initiation Protocol
  • the SIP SUBSCRIBE message 302 is received by the communication session information server IS 252, more specifically, by the request acceptance unit 254. This is an example of receiving a request to discover active communication sessions by a communication session information server. This is further an example of the received request including one or more conditions for active communication sessions to be discovered.
  • the communication session information server IS 252 then sends respective requests as to whether communication sessions are currently active by means of its request unit 256 as SIP SUBSCRIBE messages 304, 306 to the PTT servers PS1 202 and PS2 204.
  • the messages 304, 306 each contain a reference on "active sessions", but no further condition information.
  • the PTT servers PS1 202 and PS2 204 respond to the communication session information server IS 252 with SIP NOTIFY messages. In Fig. 3 these are shown as messages 308, 310 respectively with the type NOTIFY and the content hint "active sessions.”
  • the notification message 308 of the PTT server PSl 202 contains identifiers of the communication sessions CSl 206 and CS2 208 and the addresses of the participants of these communication sessions.
  • the notification message 310 of the PTT server PS2 contains an identifier of the communication session CS3 238 and the addresses of the participants of the communication session CS3.
  • the identifier of the communication session CSl 206 is the address of the predefined PTT group.
  • the identifier of the communication session CS2 208 is the address of the chat group.
  • the identifier of the communication session CS3 238 is an address temporarily assigned by the PTT server PS2 204.
  • the messages 308, 310 are received by the communication session information server IS 252, more specifically, by its requesting unit 256. This is an example of receiving respective request replies from the at least two communication session servers indicating one or more active communication sessions controlled by the respective communication session server.
  • the communication session information server IS 252 After the communication session information server IS 252 has received the notification messages of the PTT servers PS1 202 and PS2 204, it queries the location of the participants of the communication sessions CS1 206, CS2 208, CS3 238 from a location server LS 312 , This is done by means of the SIP SUBSCRIBE message 314, which contains as content information "location info" in the illustration in Fig. 3.
  • the location server LS 312 sends the requested information by means of the SIP message.
  • the communication session information server IS 252 also queries the presence of subscribers of the communication sessions CSI 206, CS2 208, CS3 238 from a Presence Server PRS 318. This is done by means of the SIP SUBSCRIBE message 320 containing content information "age info" in the illustration in Figure 3.
  • the presence server 318 responds with the SIP NOTIFY message 322, which communicates the desired information to the communication session information server IS 252 ,
  • the communication session information server IS 252 checks, by means of its condition checker 258, the messages 302, i. the original request, contained conditions based on the location information and age information. This is symbolized in Fig. 3 by event field 324, which refers to "check conditions” and "location, age”.
  • the communication session information server IS 252 finds that only the communication session CS2 208 meets the conditions set. Therefore, the communication session information server IS 252 sends a notification message to the mobile telephone 266 containing the identifier of the communication session CS2 208.
  • the notification message is sent as a SIP NOTIFY message 326 from the answering unit 260 of the information server IS 252.
  • the additional designation "active sessions fulfilling conditions" of the message 326 in FIG. 3 symbolizes that the message indicates active sessions that fulfill the conditions conveyed by the message 302.
  • Content-Type application / simple-message-summary Content-Length: 113
  • Session-ID ⁇ sip: 7656354 @ with. edu>
  • FIG. 4 shows a message flow diagram 400, in which the message flow for determining active communication sessions is shown according to another exemplary embodiment of the invention.
  • the architecture of the telecommunication conference system 200 shown in FIG. 2 is also used.
  • Illustrated English language notations of messages in FIG. 4 already used for messages in FIG. 3 have the same meaning as indicated in the description of FIG.
  • a user of the radiotelephone 266 would like to attend a PTT session. He is interested in communicating with participants of his age group (between 20 and 30 years old) who are currently in his city (Munich). The user activates on his mobile phone 266 the function for determining active communication sessions.
  • the mobile radiotelephone 266 sends a request to detect active communication sessions in the form of the SIP SUBSCRIBE message 402 to the communication session information server IS 252.
  • the request contains the conditions "City of Kunststoff" and "between 20 and 30 years old".
  • the term "automatic update” shown in the diagram 400 in the message 402 symbolizes that the message 402 also contains an information element which tells the mobile phone 266 to be automatically informed of new active PTT sessions.
  • sip-cc sip-cc-01, timer, replaces User-Agent: Pingtel / 2.1.11 (VxWorks) Content-Length: 30
  • the term “event: active-session” indicates that information about active communication sessions is requested.
  • the term “expired: 3600” indicates that updates are within the next 3600 seconds, ie within the next hour, should be notified automatically.
  • the information server IS 252 more precisely its request unit 256, then sends respective requests as to whether communication sessions are currently active in the form of the SIP SUBSCRIBE messages 404, 406 to the PTT servers PS1 202 and PS2 204.
  • the messages 404, 406 contain none
  • the PTT servers 202, 204 each respond to the communication session information server IS 252 with notification messages in the form of SIP NOTIFY messages. Since the PTT server PSl 202 currently does not control active communication sessions, its notification message 408 does not contain any identifiers of communication sessions. Representing the message 408 in the diagram 400 with the term "no active session" indicates that the message 408 indicates that active communication sessions controlled by the PTT server PS1 202 do not currently exist Message 410 from PTT server PS2 204 contains one
  • the messages 408, 410 are received by the communication session information server IS 252.
  • the receipt of the message 408 is an example of receiving a request-response from a communication session server indicating that active communication sessions controlled by the communication session server do not currently exist.
  • the communication session information server IS 252 then queries the location of the participants of the communication session CS3 238 in an analogous manner as described in the embodiment of FIG. 3 by means of the message 412 at the location server LS 312.
  • the location server 312 responds with the notification message 414 received by the communication session information server IS 252.
  • the communication session information server IS 252 polls the age of the participants of the communication session CS3 238 by means of the message 416 from the presence server PRS 318.
  • the presence Server PRS 318 responds with the notification message 418 received by the communication session information server IS 252.
  • the communication session information server IS 252 checks by means of its condition check unit 258 based on the received location information and age information whether the conditions contained in the message 402 are fulfilled, which is illustrated in an analogous manner to FIG. 3 by the event field 420.
  • the communication session is illustrated in an analogous manner to FIG. 3 by the event field 420.
  • Information server 252 determines in this embodiment that the communication session CS3 238 does not meet the conditions. Therefore, it sends the notification message 422, which does not contain a communication session identifier, to the mobile telephone 266.
  • the term "no active sessions fulfilling conditions" (no active sessions meeting the conditions) shown in message 422 illustrates that there are no conditionally active communication sessions be communicated.
  • the communication session CS2 208 is now initiated and subsequently controlled by the PTT server PS1 202, as symbolized by the event field 424 with the designation "set up session.”
  • the communication session CS2 208 thus has its status
  • the PTT server PSl 202 sends the notification message 426, shown in Fig. 4, labeled "active session” to the communication session information server IS 252, which notifies that the communication session CS2 208 is now active.
  • the message 426 also includes a Identifier of the Kornmunikationsssitzung CS2 208 and the addresses of the participants of this Ko ⁇ tmunikationsssitzung.
  • the communication session information server IS 252 then queries from the location server LS 312 by means of the message 428 the geographical location of the participants in the communication session CS 2 208 and obtains the location information by means of the message 430. Furthermore, the communication session information server IS 252 queries the presence Server PRS 318, the age of the participants of the communication session CS2 208 and receives the age information by means of message 434.
  • the communication session information server IS 252 checks the message received with the messages 430, 434
  • the communication session information server IS 252 determines that the communication session CS2 208 meets the conditions. Therefore, the communication session information server IS 252 sends, by means of its answering unit 260, the notification message 438 containing the identifier of the communication session CS2 208 to the mobile radiotelephone 266. The radiotelephone 266 may then, for example, output to the user information about the new active communication session Offer users to attend the meeting.
  • Sending the message 438 by the communication session information server IS 252 is an example of sending a second response indicating one or more active communication sessions controlled by the at least two communication session servers that were not specified in the first response, wherein These communications sessions include one or more communication sessions at the time of sending the first response were not active and / or did not fulfill one or more conditions.
  • FIG. 5 shows a flowchart 500 in which a method for determining active communication sessions according to an embodiment of the invention is shown.
  • the embodiment shown in Fig. 5 can be combined with all other described embodiments.
  • a request to discover active communication sessions is received by a communication session information server.
  • the received request may include one or more conditions for active communication sessions to be discovered.
  • respective requests as to whether communication sessions are currently active are sent from the communication session information servers to at least two communication servers.
  • respective request replies of the at least two communication session servers indicating one or more active communication sessions controlled by the respective communication session server or indicating that such communication sessions do not currently exist are received by the communication session information server.
  • the communication session information server may check to see if the one or more active communication sessions controlled by the respective communication session server in the respective request replies of the at least two communication session servers satisfy the one or more conditions.
  • one or more further requests for information may be for one or more O
  • Conditions for active communication sessions to be determined is sent out.
  • one or more further request replies with such information may be received by the communication session information server.
  • it may be checked whether the one or more conditions for active communication sessions to be discovered are met.
  • a first response indicating one or more active communication sessions controlled by the at least two communication session servers, or indicating that such communication sessions do not currently exist, is sent by the communication session information server.

Landscapes

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

Abstract

L'invention concerne un procédé de détermination de sessions de communication actives comportant la réception d'une requête de détermination de sessions de communication actives. Le procédé comprend les étapes consistant à envoyer à au moins deux serveurs de sessions de communication des demandes respectives pour savoir si des sessions de communication sont actuellement actives; à recevoir des réponses auxdites demandes respectives, signalant une ou plusieurs sessions de communication actives contrôlées par le serveur de sessions de communication respectif; à envoyer une première réponse signalant une ou plusieurs sessions de communication actives contrôlées par les deux serveurs de sessions de communication ou plus. Un serveur d'information de sessions de communication exécute le procédé.
EP09765756A 2008-06-19 2009-06-05 Procédé de détermination de sessions de communication actives et serveur d information de session de communication Ceased EP2289238A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008029142A DE102008029142B3 (de) 2008-06-19 2008-06-19 Verfahren zur Ermittlung aktiver Kommunikationssitzungen und Kommunikationssitzungs-Informationsserver
PCT/EP2009/056974 WO2009153176A1 (fr) 2008-06-19 2009-06-05 Procédé de détermination de sessions de communication actives et serveur d’information de session de communication

Publications (1)

Publication Number Publication Date
EP2289238A1 true EP2289238A1 (fr) 2011-03-02

Family

ID=40896979

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09765756A Ceased EP2289238A1 (fr) 2008-06-19 2009-06-05 Procédé de détermination de sessions de communication actives et serveur d information de session de communication

Country Status (6)

Country Link
US (2) US8700706B2 (fr)
EP (1) EP2289238A1 (fr)
KR (1) KR101245389B1 (fr)
CN (1) CN102067594B (fr)
DE (1) DE102008029142B3 (fr)
WO (1) WO2009153176A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9110739B2 (en) * 2011-06-07 2015-08-18 Microsoft Technology Licensing, Llc Subscribing to multiple resources through a common connection
JP6194191B2 (ja) * 2013-06-07 2017-09-06 ソニー株式会社 情報処理システム
US10587427B2 (en) * 2016-04-14 2020-03-10 Talking Stick, Inc. Equitable electronic group communication session management using an ordered list to provide predetermined equal amount of exclusive time to each of the participants
CN111130702B (zh) * 2019-12-31 2022-11-15 奇安信科技集团股份有限公司 解码方法、解码系统、电子设备和存储介质

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1271189B (it) 1994-06-21 1997-05-27 Giacomino Bucchi Procedimento per la connessione telefonica, particolarmente per conferenze telefoniche e simili
US6772436B1 (en) * 1998-09-01 2004-08-03 International Business Machines Corporation Interactive audio conferencing system
US7155480B2 (en) * 1998-09-21 2006-12-26 Microsoft Corporation Client-server conference and user seeking through a server storing a list comprising active conference servers and excluding nonactive conference servers
US6665392B1 (en) * 1999-05-05 2003-12-16 Spiderphone.Com, Inc. Associating data connections with conference call telephone
US6633867B1 (en) 2000-04-05 2003-10-14 International Business Machines Corporation System and method for providing a session query within the context of a dynamic search result set
US20030153340A1 (en) * 2002-02-14 2003-08-14 Crockett Douglas M. Server for joining a user to a group call in a group communication network
US7130282B2 (en) * 2002-09-20 2006-10-31 Qualcomm Inc Communication device for providing multimedia in a group communication network
US20040125932A1 (en) * 2002-12-27 2004-07-01 International Business Machines Corporation Conference calls augmented by visual information
KR100587772B1 (ko) * 2003-03-03 2006-06-09 주식회사 네이블커뮤니케이션즈 음성 통신 방법 및 시스템
US20040205175A1 (en) * 2003-03-11 2004-10-14 Kammerer Stephen J. Communications system for monitoring user interactivity
KR20040091231A (ko) * 2003-04-21 2004-10-28 주식회사 네이블커뮤니케이션즈 효율적인 그룹통신 세션 관리 방법 및 시스템
GB0411278D0 (en) * 2004-05-20 2004-06-23 Nokia Corp A communication system
KR20070014482A (ko) * 2005-07-28 2007-02-01 삼성전자주식회사 ＰｏＣ 그룹 세션의 재초청 방법 및 그 시스템
DE102005042141A1 (de) * 2005-09-05 2007-03-15 Infineon Technologies Ag Konferenz-Kommunikationssystem, Verfahren zum Betreiben eines Konferenz-Kommunikationssystems, Notifizierungseinrichtung und Verfahren zum Notifizieren eines Kommunikationsendgeräts
DE102005043003A1 (de) 2005-09-09 2007-03-22 Infineon Technologies Ag Telekommunikationskonferenz-Server, Telekommunikations-Endgerät, Verfahren zum Erzeugen einer Telekommunikationskonferenz-Steuernachricht, Verfahren zum Steuern einer Telekommunikationskonferenz, computerlesbare Speichermedien und Computerprogrammelemente
KR101011891B1 (ko) * 2005-11-14 2011-02-01 엘지전자 주식회사 제어 ｐｔ 서버 결정 방법 및 장치
CN100563196C (zh) * 2005-11-25 2009-11-25 华为技术有限公司 通信系统和在通信系统中查询信息的方法
KR101251193B1 (ko) * 2006-06-09 2013-04-08 삼성전자주식회사 ＰｏＣ 시스템에서 그룹 세션을 개설하기 위한 방법 및 시스템
US7620393B2 (en) * 2006-12-26 2009-11-17 Motorola, Inc. Method and system for managing communication devices

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2009153176A1 *

Also Published As

Publication number Publication date
US20110093537A1 (en) 2011-04-21
KR101245389B1 (ko) 2013-03-19
US20140244758A1 (en) 2014-08-28
US8700706B2 (en) 2014-04-15
DE102008029142B3 (de) 2009-08-27
CN102067594A (zh) 2011-05-18
KR20110031954A (ko) 2011-03-29
CN102067594B (zh) 2014-01-08
WO2009153176A1 (fr) 2009-12-23
US9686327B2 (en) 2017-06-20

Similar Documents

Publication Publication Date Title
DE102004053597B4 (de) Verfahren zum automatischen Erzeugen und/oder Steuern einer Telekommunikations-Konferenz mit einer Vielzahl von Teilnehmern, Telekommunikations-Konferenz-Endgerät und Telekommunikations-Konferenz-Servereinrichtung
EP1597935B1 (fr) Procede pour gerer des sessions de communication
DE102005033667B4 (de) Kommunikationssitzungs-Server-Einheit, Kommunikations-Endgerät, Broadcast-Server-Einheit, Netzwerkeinheit, Verfahren zum Steuern einer Kommunikationssitzung mit mehreren Kommunikations-Endgeräten, Verfahren zum Aufbauen einer Kommunikationssitzung, Verfahren zum Übertragen von Daten im Rahmen einer Kommunikationssitzung mittels einer Broadcast-Server-Einheit und Computerprogrammelemente
DE602005004578T2 (de) Handhabung von Sprechburstabweisungen in einem den PTT Dienst unterstützenden Gruppenkommunikationssystem
DE102005016587B4 (de) Verfahren zum Bilden einer gemeinsamen Kommunikationssitzung, Verfahren zum Bilden einer ersten Kommunikationssitzung und einer zweiten Kommunikationssitzung aus einer gemeinsamen Kommunikationssitzung und Kommunikationssitzungs-Steuerungs-Server
DE102005002803B3 (de) Kommunikationssystem mit einer Konferenz-Servereinrichtung, einer Konferenz-Steuereinheit, mehreren Moderator-Einheiten, mehreren Telekommunikations-Einrichtungen und einem Verfahren zum Steuern einer Konferenz
DE102007056725A1 (de) Verfahren zum bedingten Aufbauen einer Telekommunikationskonferenzsitzung, Telekommunikationskonferenz-Anordnung, und Telekommunikationskonferenzsitzungs-Server
DE102005043003A1 (de) Telekommunikationskonferenz-Server, Telekommunikations-Endgerät, Verfahren zum Erzeugen einer Telekommunikationskonferenz-Steuernachricht, Verfahren zum Steuern einer Telekommunikationskonferenz, computerlesbare Speichermedien und Computerprogrammelemente
WO2006086939A1 (fr) Gestion de groupes dynamiques dans un systeme de communication cellulaire a poussoir de conversation
DE102005042141A1 (de) Konferenz-Kommunikationssystem, Verfahren zum Betreiben eines Konferenz-Kommunikationssystems, Notifizierungseinrichtung und Verfahren zum Notifizieren eines Kommunikationsendgeräts
DE102004063298B4 (de) Verfahren zum rechnergestützten Verwalten von Kommunikationsrechten zum Kommunizieren mittels mehrerer unterschiedlicher Kommunikationsmedien in einer Telekommunikations-Konferenz mit mehreren Telekommunikations-Einrichtungen
DE102007058948A1 (de) Verfahren zum Ermitteln von mindestens einem Teilnehmergerät für eine Telekommunikationskonferenzsitzung, Telekommunikationskonferenz-Anordnung, und Telekommunikationskonferenzsitzungs-Server
DE102008029142B3 (de) Verfahren zur Ermittlung aktiver Kommunikationssitzungen und Kommunikationssitzungs-Informationsserver
EP2469885A1 (fr) Procédé d'intégration de fonctions d'un réseau de télécommunication dans un réseau de données
DE102008045425B3 (de) Verfahren zur Ermittlung aktiver Kommunikationssitzungen, Kommunikationssitzungs-Informationsserver, Verfahren zum Bereitstellen einer Information über aktive Kommunikationssitzungen und Dokumentenmanagement-Server
DE102005049074B4 (de) Verfahren zum rechnergestützten Vergeben eines Kommunikationsrechts, Verfahren zum rechnergestützten Erzeugen einer Kommunikationsrecht-Anforderungsnachricht, Kommunikationsrecht-Vergabe-Einheit, Kommunikations-Konferenz-Servereinheit, Kommunikations-Konferenz-Nachricht-Erzeugungseinheit, Kommunikations-Endgerät und Verfahren zum rechnergestützten Initialisieren eines Konferenz-Nachrichtenflusses in einer Kommunikations-Konferenz
DE102010021770B4 (de) Verfahren und Vorrichtung zum Anfordern einer Medien-Replikation in einer kollaborativen Kommunikationssitzung und Verfahren und Vorrichtung zum Zuweisen eines Kommunikations-Mediums einer kollaborativen Kommunikationssitzung
DE102005043006B4 (de) Kommunikationssystem, Kommunikationssitzungs-Server-Einheit, Medienverteilungs-Einheit und Verfahren zum Übertragen von Daten im Rahmen einer Kommunikationssitzung
WO2007082615A1 (fr) Procédé et serveur destinés à établir une connexion de communication entre des terminaux de communication dans un groupe présélectionné
DE102005007342B4 (de) Kommunikationssystem und Verfahren zum Betreiben eines Kommunikationssystems
DE102004005720B3 (de) Verfahren zum Verwalten von Kommunikationssitzungen
DE60207056T2 (de) System und Verfahren zur Datenteilung von einem WAP-Endgerät
DE102008046713B4 (de) Verfahren zur Gruppen-Kommunikation zwischen Teilnehmern verschiedener Nachrichtendienste, Kommunikations-Endgerät und Computerprogrammprodukt
DE102005053914B9 (de) Kommunikationssystem, Verfahren zum Betreiben eines Kommunikationssystems, Server-Einheit, Verfahren zum Betreiben einer Server-Einheit, Kommunikationsdienst-Client-Einheit und Verfahren zum Betreiben einer Kommunikationsdienst-Client-Einheit
DE102005013919B4 (de) Verfahren zum rechnergestützten Verwalten einer Telekommunikations-Konferenz und Telekommunikations-Konferenz-Servereinrichtungen

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20101210

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK TR

AX Request for extension of the european patent

Extension state: AL BA RS

DAX Request for extension of the european patent (deleted)
RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: INTEL MOBILE COMMUNICATIONS GMBH

17Q First examination report despatched

Effective date: 20130218

REG Reference to a national code

Ref country code: DE

Ref legal event code: R003

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION HAS BEEN REFUSED

18R Application refused

Effective date: 20140630