WO2005122469A1 - Flexible charging mechanisms for ip multimedia services - Google Patents
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- WO2005122469A1 WO2005122469A1 PCT/EP2004/051063 EP2004051063W WO2005122469A1 WO 2005122469 A1 WO2005122469 A1 WO 2005122469A1 EP 2004051063 W EP2004051063 W EP 2004051063W WO 2005122469 A1 WO2005122469 A1 WO 2005122469A1
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- 238000000034 method Methods 0.000 claims abstract description 44
- 230000004044 response Effects 0.000 claims abstract description 9
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- 238000012544 monitoring process Methods 0.000 claims description 5
- 238000004891 communication Methods 0.000 description 6
- 238000013475 authorization Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 5
- 238000000691 measurement method Methods 0.000 description 5
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- 238000005259 measurement Methods 0.000 description 2
- 239000012092 media component Substances 0.000 description 2
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/14—Charging, metering or billing arrangements for data wireline or wireless communications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/22—Payment schemes or models
- G06Q20/28—Pre-payment schemes, e.g. "pay before"
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q40/00—Finance; Insurance; Tax strategies; Processing of corporate or income taxes
- G06Q40/12—Accounting
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
- G06Q50/40—Business processes related to the transportation industry
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/14—Charging, metering or billing arrangements for data wireline or wireless communications
- H04L12/1453—Methods or systems for payment or settlement of the charges for data transmission involving significant interaction with the data transmission network
- H04L12/1467—Methods or systems for payment or settlement of the charges for data transmission involving significant interaction with the data transmission network involving prepayment
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
- H04M15/57—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP for integrated multimedia messaging subsystem [IMS]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
- H04M15/82—Criteria or parameters used for performing billing operations
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
- H04M15/82—Criteria or parameters used for performing billing operations
- H04M15/8214—Data or packet based
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M17/00—Prepayment of wireline communication systems, wireless communication systems or telephone systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M17/00—Prepayment of wireline communication systems, wireless communication systems or telephone systems
- H04M17/10—Account details or usage
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M2215/00—Metering arrangements; Time controlling arrangements; Time indicating arrangements
- H04M2215/20—Technology dependant metering
- H04M2215/2013—Fixed data network, e.g. PDN, ATM, B-ISDN
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M2215/00—Metering arrangements; Time controlling arrangements; Time indicating arrangements
- H04M2215/20—Technology dependant metering
- H04M2215/204—UMTS; GPRS
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M2215/00—Metering arrangements; Time controlling arrangements; Time indicating arrangements
- H04M2215/20—Technology dependant metering
- H04M2215/208—IMS, i.e. Integrated Multimedia messaging Subsystem
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M2215/00—Metering arrangements; Time controlling arrangements; Time indicating arrangements
- H04M2215/22—Bandwidth or usage-sensitve billing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M2215/00—Metering arrangements; Time controlling arrangements; Time indicating arrangements
- H04M2215/78—Metric aspects
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M2215/00—Metering arrangements; Time controlling arrangements; Time indicating arrangements
- H04M2215/78—Metric aspects
- H04M2215/782—Data or packet based
Definitions
- the present invention relates to flexible charging mechanisms for IP multimedia services and which are applicable in particular, though not necessarily, to Push- to-talk over Cellular services.
- IP Multimedia (IPMM) services provide a dynamic combination of voice, video, messaging, data, etc. within the same session.
- IPMM IP Multimedia
- IMS IP Multimedia Subsystem
- 3GPP Third Generation Partnership Project
- IMS provides key features to enrich the end-user person-to-person communication experience through the integration and interaction of services.
- IMS allows new rich person-to-person (client-to- client) as well as person-to-content (client-to-server) communications over an IP-based network.
- the IMS makes use of the Session Initiation Protocol (SIP) and Session Description Protocol (SDP) to set up and control calls or sessions between user terminals and/or servers.
- SIP Session Initiation Protocol
- SDP Session Description Protocol
- IMS sits on top of an access network which would typically be a General Packet Radio Service (GPRS) network but which might use some alternative technology, e.g. WLAN, Fixed access.
- Figure 1 illustrates schematically how the IMS fits into the mobile network architecture in the case of a GPRS access network.
- GPRS General Packet Radio Service
- prepaid i.e. where subscribers deposit an amount of cash (the credit balance) with their operators which is consumed by the subsequent use of services by the subscribers. It is anticipated that the prepaid subscription option will prove equally popular with the users of IMS services. Indeed, the provision of pre-paid services is likely to be a must for widespread take-up of IMS services.
- the prepaid payment method has the following main characteristics:
- An Online/Real-time charging mechanism has been defined by 3GPP and is the preferred way to handle prepaid subscribers.
- the mechanism has the following characteristics: • It is built on bi-directional real-time communication between the serving elements (that is the nodes in control of a particular service) and the charging system
- Credit authorisation can be performed before service delivery. This involves rating (a process of computing a price based on charging input which considers information (volume, duration, category, etc.), configuration data (tariff tables etc.) and a context that is obtained from other sources (time of day, location of the user etc.)), account check, and credit reservation. • Credit is deducted from a user's account either concurrently with service delivery (one-time event charging), or during/at the end of service delivery (session-based charging)
- FIG. 2 provides a simplified logical online charging architecture for IMS.
- the Online Charging System in this example a Prepaid System (PPS) handling prepaid subscribers, provides a charging control function for the real- time charging mechanism.
- the Prepaid System includes the Account Balance Manager and the User Accounts, the Rating Engine and the Tariff Information.
- the Rating Engine provides rating values for sessions/services or events not priced at source, i.e. for which serving elements do not have a price.
- the IMS Serving Elements which may provide charging input to the OCS, are S-CSCF, MRFC, and AS.
- the interface between IMS SEs and PPS is based on Diameter Base Protocol (DBP) + Diameter Credit Control Application (DCC) as currently being defined by 3GPP in Release 5 and 6.
- DCP Diameter Base Protocol
- DCC Diameter Credit Control Application
- an OCS receives a request for credit reservation from an IMS SE, rates the request, reserves a suitable amount of money from the user's account and returns the corresponding amount of credit resources to the IMS SE.
- credit resource may not imply actual monetary credit; credit resources may be granted in the form of units (e.g. data volume, or time) to be metered.
- the IMS SE Upon reception of a successful credit authorisation answer with a certain amount of credit resources, the IMS SE allows service delivery to the end user and starts monitoring the usage of the granted resources. When the credit resources granted to the end user have been consumed, or the service has been successfully delivered or terminated, the IMS SE reports back to the OCS the used amount.
- the OCS deducts the used amount from the user's account; the OCS may perform rating and make a new credit reservation if the service delivery is continuing. This process is accomplished with the Session-based Credit Control scenario that includes first interrogation, possible intermediate interrogations, and the final interrogation. Both IMS SEs and the OCS are required to maintain credit control session state. Although 3GPP considers other charging scenarios, the Session-based Credit Control scenario is considered appropriate for most IMS services.
- IMS Charging Principles which need to be considered when applying the 3GPP OCS charging mechanism to IMS based services. Chief amongst these are: • In an IMS session there can be a number of a users that are subscribers of several different IMS operators.
- Each of the IMS operators needs to be able to charge IMS users independently, according to their charging policy. Furthermore, different charging models may be applied in different networks for the same IMS session.
- CS Circuit-Switched
- GPRS Global System for Mobile Communications
- SMS Short Message Service
- MMS Multimedia Messaging Service
- subscription-based charging e.g. a service package for a flat monthly fee
- per-usage charging is measured using one single mechanism for each service, as follows: • Duration in seconds for CS voice • Volume in Kbytes for GPRS data • Per-message (per-event) for SMS and MMS
- an IMS service may be charged based on a number of possible service-specific chargeable events.
- a user of an (IMS-based) Push-to-Talk over Cellular (PoC) service For example, a user of an (IMS-based) Push-to-Talk over Cellular (PoC) service
- a walkie-talkie type service may be charged based on the number of sent and/or received talk bursts, or the duration in seconds of the sent and/or received talk bursts, or the session time, etc.
- a user may be charged differently based on whether he/she originates or terminates the session, whether he/she is the "session-owner" or a session-participant.
- the 3GPP IMS Online Charging Application as it is currently defined means that: • The same charging model must therefore apply to all prepay subscribers in a given operator's network. • All IMS SEs must be configured with one service-specific measurement method (even though they may support multiple measurement methods). • If an operator would like to change/experiment with a new charging model based on a new measurement mechanism (e.g. "session time” instead of "talk burst length"), then all concerned IMS SEs (e.g. S-CSCF, MRF, S- CSCF) that provides charging inputs for the specific service must be reconfigured in order to apply the new measurement mechanism. •
- a new measurement mechanism e.g. "session time” instead of "talk burst length”
- a method of processing service related accounting requests at an Online Charging System of an IP Multimedia Subsystem comprising: receiving a service related accounting request from an IP
- the request containing an identification of the chargeable events measuring methods supported by the Serving
- selecting a charging model appropriate to the chosen service selecting one or more of the supported measuring methods on the basis of the selected charging model; determining an amount of granted service units for the or each selected measuring method; and sending to the Serving Element an accounting response containing the amount(s) of granted service units and an identification of the corresponding measuring method(s).
- Embodiments of the invention provide the following advantages over the state of the art: • Multiple charging models can be applied to (prepay) subscribers for the same service/feature in one operator's network. • If the operator would like to change/experiment with a new charging model based on a new measurement method (e.g. "session time", instead of "talk burst length"), e.g. for some subscriber categories only, this requires action in only a centralised element, e.g. the OCS / PPS and not in the IMS SEs.
- a new measurement method e.g. "session time", instead of "talk burst length”
- the method of the first aspect comprises checking the account of the subscriber associated with the request prior to sending to the Serving Element said accounting response.
- Said steps of selecting one or more of the supported measuring methods and determining an amount of granted service units may be based upon the account balance and/or the subscription type of the subscriber.
- a method of controlling subscriber charging at an IP Multimedia Subsystem Serving Element of an IP Multimedia Subsystem comprising: upon receipt of a service request from a subscriber, sending a service related accounting request to an Online Charging System, the request containing an identification of the chargeable events measuring methods supported by the Serving Element; and subsequently receiving from the Online Charging System an accounting response containing an amount(s) of granted service units and an identification of the corresponding measuring method(s); and for the duration of said service, applying said measuring method(s) and monitoring the received granted service unit amount(s), whilst the service is being delivered.
- the chargeable events measuring methods supported by the Serving Element include one or more of: IMS service session time, service sent and/or received talk bursts, sent and/or received data volume. Table 1 below provides further details.
- the invention is applicable in particular to Push-to-talk Over Cellular (PoC) services.
- the IP Multimedia Subsystem Serving Element is a PoC server.
- a charging model may be provided for each PoC user and/or feature.
- said accounting request and response are Diameter-Accounting- Request (ACR) and Diameter-Accounting-Answer (ACA) messages respectively.
- ACR Diameter-Accounting- Request
- ACA Diameter-Accounting-Answer
- FIG. 1 illustrates schematically a mobile network architecture incorporating an IP Multimedia Subsystem
- Figure 2 illustrates a simplified logical online charging architecture for an IMS services
- FIG. 3 shows the PoC Release 2 architecture
- Figure 4 shows a signalling flow example of credit authorization between the
- IPMM SE and the Online Charging System / Prepaid System.
- Push-to-talk over Cellular is a walkie-talkie type of service defined by an industry consortium.
- PoC Push-to-Talk over Cellular
- Table 1 shows examples of PoC talk session charging model that may be supported via the OCS mechanism.
- the PoC session-owner may be charged for usage of centralised functions (e.g. ad-hoc group explosion and media distribution) based on the charging model of session-owner's home PoC operator.
- centralised functions e.g. ad-hoc group explosion and media distribution
- the session-owner is the PoC session originator.
- Each participant in the PoC session may be charged for his participation based on the charging model of the participant's home PoC operator.
- For Instant Group Talk and Chat Group Talk the following charges may apply: •
- the PoC session-owner may be charged for usage of centralised functions (e.g. group list explosion and media distribution) based on the charging model of the session/group/chat-owner's home PoC operator.
- For Instant Group Talk and Chat Group Talk the PoC session-owner is the PoC group owner.
- Each participant in the PoC session may be charged for his participation based on the charging model of the participant's home PoC operator.
- the responsible IMS SE i.e. PoC server
- ACR Diameter Accounting-Request
- PoC session time, PoC send/received talk bursts, etc. • An amount of requested-service-unit for each associated service-specific event the IMS SE is able to measure (decentralised unit determination)
- the OCS shall rate the IMS service request (centralised rating), check the user's balance, and, based on the charging model in force (centralised management of charging model), reserve a suitable amount and type of credit units.
- the OCS shall send to IMS SE a Diameter Accounting-Answer (ACA) message including: • The granted-service-unit and the service-specific chargeable event the IMS SE shall measure (e.g. number of PoC sent talk burst).
- ACA Diameter Accounting-Answer
- the concemed IMS SE Upon IMS service invocation, the concemed IMS SE performs credit authorisation with money reservation towards PPS (session-based charging scenario).
- the IMS SE provides the following service-specific information to PPS in a Diameter Accounting-Request (ACR) command: • Service-type (e.g. PoC Instant Personal Talk, Ad-hoc Instant Group Talk, Instant Group Talk, Chat Group Talk, or Instant Personal Alert, etc.) • Party-role (e.g. session-participant, session-owner, session-originating, or session terminating) • List of service-specific events the IMS SE is able to measure. (e.g.
- PoC talk session & party-role session-participant participant session time, number of sent and/or received talk bursts, and time-length of sent and/or received talk bursts
- PoC talk session & party-role session-owner total time session is up, sum of time spent by each participant, time-length of distributed talk bursts, number of distributed talk bursts, and number of participants
- PoC Instant Personal Alert number of alert messages
- List of Requested-Service-Unit associated to the list of service-specific events the IMS SE is able to measure e.g. for PoC Instant Personal Talk: X units for participant session time, Y units for number of sent and/or received talk bursts, AND etc.
- the PPS rates the IMS service request (centralised rating), checks the user's balance, and, based on the charging model in force (centralised management of charging model), reserves a suitable amount and type of credit units.
- the PPS provides the following service-specific information to the IMS SE in a Diameter Accounting-Answer (ACA) command: • Service-type (e.g. PoC Instant Personal Talk). Derived from the ACR command. • Party-role (e.g. session-participant). Derived from the ACR command. • (one or more) Service-specific event the IMS SE shall measure. Determined by PPS based on the charging model in force, and the list of service-specific events the IMS SE is able to measure as indicated in the ACR command.
- ACA Diameter Accounting-Answer
- This information identifies the meaning of the granted- service-units (e.g. number of sent talk bursts) • (one or more) Granted-Service-Unit for the event to be measured (e.g. Y units, that is Y sent talks burst)
- Granted-Service-Unit for the event to be measured (e.g. Y units, that is Y sent talks burst)
- more than one set of "service-specific event to be measured” and "granted service-unit” may be sent to IMS SE if, for a given service, the user shall incur multiples charges, e.g. both session-time and sent-talk-burst.
- the Multiple-Services-Credit-Control AVP may also be used when multiple IMS services are invoked in the same IMS session.
- the SE initiates an accounting session towards the PPS prior to service execution.
- the PPS determines the price of the service and reserves the corresponding monetary amount from the user's account.
- the PPS authorises the service execution by granting service units (e.g. time, data volume) to the IMS SE that may initiate service execution.
- service units e.g. time, data volume
- the reservation from the user's account is valid for a certain duration after which the reservation expires; the interim interval is used to guarantee that the SE reports the used service units before the reservation in the user's account expires.
- the SE reports the used service units and requests a new credit reservation from the PPS.
- the PPS refunds the reserved credit amount and deducts the used monetary amount from the end user's account.
- the PPS authorises the continued service execution by granting service units (e.g. time, data volume) to the SE. Note that if the service execution time is so short that neither the interim interval nor the granted units expires, additional interim reports are not needed.
- the SE reports back the last used service units.
- the PPS refunds the reserved credit amount and deducts the used monetary amount from the user's account.
- Figure 3 illustrates signalling between the IMS SE and the PPS, associated with a successful charging session for services without a specific price,.
- the parameters in the ACR/ACA messages refer to a "PoC Instant Personal Talk" service feature and a user with the role of "session-owner".
- the sequence of signalling steps shown is as follows:
- the IMS SE Before the service can be provided to the end user, the IMS SE needs to know if the subscriber has enough credit in his/her account. In this case the SE requests to have the service rated
- An ACR is sent to the PPS.
- M-S-C-C AVPs are shown.
- several M-S- C-C AVPs may be included, one for each measurement method supported by the IMS SE for the concerned service-type and party-role combination.
- the PPS rates the service, based on the contents of the received Service- Parameter-Info, makes a credit-reservation from the end-user's account (that covers the cost of the service). For the purpose of this scenario the user's credit balance is assumed to be sufficient.
- the SE sends an ACR to report the Used-Service-Unit to PPS.
- the PPS deducts the amount used from the account.
- PPS rates the service, based on the contents of the Service-Parameter-Info AVP, checks the subscriber's account balance and performs a new reservation of the checked amount from the account 8.
- a successful result is returned from PPS in an ACA, the ACA including the granted amount of events and the granted reservation lifetime (in the Accounting-Interim-Interval AVP).
- the SE continues monitoring the usage of the granted-service-units.
- the SE sends an ACR to terminate the accounting session and report the used units.
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Abstract
Description
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Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2004800432673A CN101006681B (en) | 2004-06-08 | 2004-06-08 | Flexible charging mechanisms for IP multimeda services |
DE602004012458T DE602004012458T2 (en) | 2004-06-08 | 2004-06-08 | FLEXIBLE FEEBACK CALCULATION MECHANISMS FOR IP MULTIMEDIA SERVICES |
PCT/EP2004/051063 WO2005122469A1 (en) | 2004-06-08 | 2004-06-08 | Flexible charging mechanisms for ip multimedia services |
JP2007526214A JP4668998B2 (en) | 2004-06-08 | 2004-06-08 | IP multimedia service flexible charging mechanism |
AT04741757T ATE389273T1 (en) | 2004-06-08 | 2004-06-08 | FLEXIBLE CHARGING MECHANISMS FOR IP MULTIMEDIA SERVICES |
EP04741757A EP1754336B1 (en) | 2004-06-08 | 2004-06-08 | Flexible charging mechanisms for ip multimedia services |
US11/628,236 US20080126230A1 (en) | 2004-06-08 | 2004-06-08 | Flexible Charging Mechanisms for Ip Multimedia Services |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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PCT/EP2004/051063 WO2005122469A1 (en) | 2004-06-08 | 2004-06-08 | Flexible charging mechanisms for ip multimedia services |
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WO2005122469A1 true WO2005122469A1 (en) | 2005-12-22 |
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PCT/EP2004/051063 WO2005122469A1 (en) | 2004-06-08 | 2004-06-08 | Flexible charging mechanisms for ip multimedia services |
Country Status (7)
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US (1) | US20080126230A1 (en) |
EP (1) | EP1754336B1 (en) |
JP (1) | JP4668998B2 (en) |
CN (1) | CN101006681B (en) |
AT (1) | ATE389273T1 (en) |
DE (1) | DE602004012458T2 (en) |
WO (1) | WO2005122469A1 (en) |
Cited By (6)
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JP2008104115A (en) * | 2006-10-20 | 2008-05-01 | Softbank Mobile Corp | Communication controller, communication control method, communication control program, and communication system |
JP2008104114A (en) * | 2006-10-20 | 2008-05-01 | Softbank Mobile Corp | Communication controller, communication control method, communication control program, and communication system |
EP1956819A1 (en) * | 2007-02-09 | 2008-08-13 | Huawei Technologies Co., Ltd. | System and method for charging |
EP2101442A1 (en) * | 2007-01-22 | 2009-09-16 | Huawei Technologies Co., Ltd. | Charging processing method, service network element and charging system thereof |
JP2009534879A (en) * | 2006-04-20 | 2009-09-24 | 華為技術有限公司 | Billing method, system, and apparatus for group service |
JP2009538569A (en) * | 2006-05-23 | 2009-11-05 | アルカテル−ルーセント ユーエスエー インコーポレーテッド | Providing notifications in IMS networks |
Families Citing this family (40)
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Also Published As
Publication number | Publication date |
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EP1754336B1 (en) | 2008-03-12 |
CN101006681A (en) | 2007-07-25 |
CN101006681B (en) | 2010-10-27 |
DE602004012458D1 (en) | 2008-04-24 |
DE602004012458T2 (en) | 2009-04-23 |
JP4668998B2 (en) | 2011-04-13 |
ATE389273T1 (en) | 2008-03-15 |
EP1754336A1 (en) | 2007-02-21 |
US20080126230A1 (en) | 2008-05-29 |
JP2008502239A (en) | 2008-01-24 |
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