WO2007045181A1 - Procede, systeme et dispositif d’obtention d’informations d’acces - Google Patents

Procede, systeme et dispositif d’obtention d’informations d’acces Download PDF

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Publication number
WO2007045181A1
WO2007045181A1 PCT/CN2006/002793 CN2006002793W WO2007045181A1 WO 2007045181 A1 WO2007045181 A1 WO 2007045181A1 CN 2006002793 W CN2006002793 W CN 2006002793W WO 2007045181 A1 WO2007045181 A1 WO 2007045181A1
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WO
WIPO (PCT)
Prior art keywords
access information
query
message
user terminal
access
Prior art date
Application number
PCT/CN2006/002793
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English (en)
Chinese (zh)
Inventor
Hua Huang
Yanfei Yang
Original Assignee
Huawei Technologies Co.,
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 Huawei Technologies Co., filed Critical Huawei Technologies Co.,
Publication of WO2007045181A1 publication Critical patent/WO2007045181A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L61/00—Network arrangements, protocols or services for addressing or naming
    • H04L61/50—Address allocation
    • H04L61/5007—Internet protocol [IP] addresses
    • 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
    • H04L65/10—Architectures or entities
    • H04L65/1016—IP multimedia subsystem [IMS]

Definitions

  • the present invention relates to the field of networks, and in particular, to a method, system and apparatus for acquiring access information. Background technique
  • the purpose of network convergence is to communicate various kinds of information on a unified network, which is beneficial to users enjoying multiple communications ⁇ ! The "unified experience" of good service.
  • the industry's more focused convergence includes: the convergence of telecommunication networks and the Internet, and the convergence of mobile networks and fixed networks.
  • the IP Multimedia Subsystem technology provides the basis for IP-based mobile and fixed communication convergence, and is considered by the industry as an important stage of network evolution.
  • the access header contains specific access technology related information, and the IMS domain entity will use the access information to perform some special access related functions, for example, according to the access type.
  • the charging policy selects a specific service call session control function entity (S-CSCF) according to the access type.
  • S-CSCF service call session control function entity
  • an access terminal is encapsulated by a user terminal and inserted into a SIP message (not limited to a registration message).
  • SIP message not limited to a registration message
  • TERMINAL sends a registration request message (Register) to the proxy call session control function P-CSCF.
  • the access request message carries an access-type field of the access information header, which is used to indicate the access mode of the terminal, and the access type may be a WLAN mode or a user digital loop mode (XDSL). Or 3G way.
  • the P-CSCF may add positioning information (access-info), extended positioning information (extension-access-info), or different access types according to the access information header. Select to encapsulate 3GPP CGI information (cgi-3gpp), 3GPP access network cell ID information ( utran-cell-id-3gpp ), or DSL location information ( dsl-location ).
  • 3GPP CGI information cgi-3gpp
  • 3GPP access network cell ID information utran-cell-id-3gpp
  • DSL location information dsl-location
  • the P-CSCF finds the home domain entry (query the Call Session Control Function Entity (I-CSCF) and forwards the registration request message to it.
  • I-CSCF Call Session Control Function Entity
  • the I-CSCF sends a UAR message to the Home Subscriber Server (HSS) to determine whether the user has registered the IMS service and the rights to operate.
  • HSS Home Subscriber Server
  • the HSS informs the I-CSCF of the relevant information of the S-CSCF through the UAA message.
  • the I-CSCF forwards the registration request message to the S-CSCF address. After receiving the registration request message, the S-CSCF performs service control and performs service differentiation according to the access type and other access related information carried therein.
  • the S-CSCF information of the corresponding terminal is saved in the HSS through the Cx interface message between the S-CSCF and the HSS.
  • the S-CSCF forwards the 200 OK corresponding message to the TERMINAL through the I-CSCF and the P-CSCF in sequence.
  • TERMINAL knows the type of access it uses before sending a message, ie it can encapsulate the access header into a SIP message.
  • TERMINAL accesses the network through an access device.
  • the access mode adopted by the access device is independent of the service to be implemented, so it does not need to know the access mode, and it cannot be known according to the current protocol. Specific access methods. In this case, the TERMINAL cannot encapsulate a valid access header.
  • the embodiment of the present invention provides a method for acquiring access information, a user terminal, a proxy call session control function entity, a server, and an inquiry system, which are used to solve the problem that when a user terminal sends a SIP message to a network side, sometimes it cannot be known and carries an effective access.
  • the header which causes some access-related services to fail to expand.
  • the network side dynamically allocates the IP address to the user terminal; and queries the corresponding access information from the comparison list by using the assigned IP address.
  • a user terminal provided by the embodiment of the present invention includes: a first query proxy module, configured to interact with a network element that has a comparison list, and query a corresponding connection from the comparison list according to an IP address allocated by the local end Enter information.
  • the first P-CSCF query module is configured to set a comparison list, and query the access information according to the IP address of the user terminal.
  • Another proxy call session control function entity includes: a second P-CSCF query proxy module, configured to interact with a network element configured with a comparison list, and from the comparison according to the IP address of the user terminal The corresponding access information is queried in the list.
  • the server provided by the embodiment of the present invention includes: a second query module, configured to set a comparison list, and output the query information according to the IP address in the sent message; and query the interface module, configured to receive the query request And transmitting the message to the second query module, and feeding back the query result sent by the second query module.
  • the query system includes: a server, configured to set a comparison list for querying; and a user terminal, configured to query, according to an IP address assigned by the local end, a corresponding list from a comparison list in the server Access information.
  • Another query system provided by the embodiment of the present invention includes: a user terminal, further comprising: a proxy call session control function entity, configured to query a corresponding connection from a locally set comparison list according to an IP address sent by the user terminal Enter information.
  • a further query system provided by the embodiment of the invention includes: a user terminal, further comprising: The server is configured to set a comparison list for querying; the proxy call session control function entity is configured to query, according to the IP address sent by the user terminal, the corresponding access information from the comparison list in the server.
  • the present invention sets a comparison list containing the corresponding IP address start address, IP address end address, access type, and positioning information in the P-CSCF, or in a separate server.
  • the access information of the user terminal needs to be known, the corresponding access type and location information are queried from the comparison list by using the IP address assigned by the user terminal.
  • the encapsulation of the access header is completed and inserted into the message, so that some special services related to access related functions can be expanded.
  • FIG. 1 is a network diagram of an IP multimedia subsystem in the prior art
  • FIG. 3 is a flow chart of steps of an embodiment of a method according to the present invention.
  • FIG. 4 is a method flow chart of a method for completing a query by using the user terminal of the present invention
  • FIG. 5 is a signaling flow chart of a method for completing a query by using the first P-CSCF of the present invention
  • FIG. 6 is a method flow diagram of a method for completing a query by using the second P-CSCF of the present invention
  • Figure ⁇ is a schematic structural diagram of a server according to an embodiment of the present invention.
  • FIG. 8 is a schematic structural diagram of a user terminal according to an embodiment of the present invention.
  • FIG. 9 is a schematic structural diagram of a first P-CSCF according to an embodiment of the present invention.
  • FIG. 10 is a schematic structural diagram of a second P-CSCF according to an embodiment of the present invention.
  • FIG. 11 is a schematic diagram of a system for completing a query by using the user terminal of the present invention
  • FIG. 12 is a schematic diagram of a system for performing a query by using the first P-CSCF of the present invention
  • FIG. 13 is a third embodiment of the system, using the present invention.
  • an embodiment of the present invention provides a method for obtaining access information. Referring to FIG. 3, the method includes the following steps:
  • the user terminal is assigned to an IP address.
  • the access information that is queried is sent.
  • Method Example 1 The user terminal of the present invention is used to complete the query. Referring to Figure 3, and referring to Figure 4, the following specific steps are included:
  • the user terminal is assigned to an IP address.
  • the server on the network side informs the user terminal of the server.
  • the IP address, and a temporary IP address dynamically assigned to the user terminal are defined by the IP address, and a temporary IP address dynamically assigned to the user terminal.
  • the user terminal sends an inquiry request message to the server according to the IP address of the server, and carries the temporary IP address assigned by the user terminal in the message.
  • the server receives the query request message, and queries the access information according to the temporary IP address carried in the sent message, and the access information includes: access type and location information. See the table below for the list of controls:
  • the server After the server queries the corresponding access information, the corresponding access information is carried in the feedback message and sent to the user terminal.
  • the feedback message is used to notify the user terminal that the temporary IP address is not configured with access information (ie, the temporary IP address is not in the comparison list), and the alarm information is reported.
  • the temporary IP address of the access information and its number are not counted.
  • the user terminal After receiving the feedback message, the user terminal obtains access information from the user.
  • the user terminal After receiving the feedback message, the user terminal obtains access information from the user.
  • the user terminal When the message sent to the network side needs to carry the access information header, the user terminal encapsulates the access information into an access information header and inserts the message into the message sent to the network side.
  • the access information header carried in the message can ensure successful access.
  • the user terminal After the user terminal obtains the access type from the feedback message, it compares it with the original access type of the user terminal (the original access type). It can be the default access type, or the access type obtained by other methods. If they are the same, it indicates that the original access type is still valid, so there is no need to re-initiate the IMS registration process.
  • the user terminal is assigned to an IP address.
  • the network side dynamically allocates a temporary IP address to it.
  • the first type of P-CSCF activates a query operation.
  • the user terminal sends an access request to the P-CSCF, where the access request carries the IP address assigned by the user terminal.
  • the first type of P-CSCF can determine whether the access information header needs to be carried according to the configured rule. If the first P-CSCF needs to carry, the first type of P-CSCF can identify whether there is an access information header in the access request sent by the user terminal. If the access header does not exist, the first P-CSCF activates the query operation. Alternatively, the first type of P-CSCF determines whether the access information header needs to be carried according to the configured rule. If the first P-CSCF needs to carry, the first type of P-CSCF directly sends a query request message to the server, and carries the user terminal to the message. IP address.
  • the first P-CSCF can also directly activate the query operation.
  • S203 Query the corresponding access information from the comparison list by using the IP address.
  • the first type of P-CSCF queries the corresponding access information (including access type and positioning information) from its internally set lookup list with the IP address.
  • the comparison list is the same as the method example one.
  • the alarm information is reported to inform the IP address that the access information is not configured (that is, the IP address is not in the comparison list), and the temporary IP address of the access information is not counted. The address and its number.
  • the first type of P-CSCF encapsulates the access information into an access information header, and inserts the message into the message that needs to carry the access information header, and sends the message to the network side to complete the access request of the user terminal.
  • Method Example 3 The second P-CSCF of the present invention is used to complete the query. Referring to Figure 3, and see Figure 6, the following specific steps are included:
  • the user terminal is assigned an IP address. (same as step S201 in method example 2) 5302.
  • the second P-CSCF activates a query operation.
  • the user terminal sends an access request to the second P-CSCF, where the access request carries the IP address assigned by the user terminal.
  • the second P-CSCF determines whether the access information header needs to be carried according to the configured rule. If the second P-CSCF needs to be carried, the second P-CSCF identifies whether the access information header exists in the access request sent by the user terminal. If not present, the second P-CSCF sends a query request message to the server, and carries the IP address assigned by the user terminal in the message; or the second P-CSCF determines whether it needs to be carried according to the configured rule. If the information is to be carried, the second P-CSCF directly sends an inquiry request message to the server, and carries the IP address assigned by the user terminal in the message.
  • the server queries, by using the IP address, the corresponding access information from the comparison list. It is the same as step S103 in the first embodiment of the method, and will not be described here.
  • the server After the server queries the corresponding access information, it is carried in the feedback message and sent to the second P-CSCF.
  • the second P-CSCF is notified by the feedback message that the IP address is not configured (that is, the IP address is not in the comparison list), and the alarm information is reported and the statistics are not configured.
  • the temporary IP address of the access information and its number is not notified by the feedback message that the IP address is not configured (that is, the IP address is not in the comparison list), and the alarm information is reported and the statistics are not configured.
  • the second P-CSCF After receiving the feedback message, the second P-CSCF obtains the access information, and encapsulates the access type and the location information in the access information into an access information header, and inserts the required access
  • the message of the information header is sent to the network side to complete the access request of the user terminal.
  • the access header carried in the message can ensure successful access.
  • an embodiment of the present invention provides a server, as shown in FIG. 7, which includes: a query interface module and a second query module connected thereto.
  • the second query module is configured to set a comparison list, and output the queried access information after querying the access information according to the IP address in the sent message.
  • the query interface module is configured to receive the query request message, and transmit the query request message to the second query module, and send the queried access information sent by the second query module.
  • the embodiment of the present invention further provides a user terminal, as shown in FIG. 8, which includes: a first query agent module; and a second implementation agent, further comprising: a first connection with the first query agent module A package is inserted into the module.
  • the first query proxy module is configured to interact with the server described in the previous embodiment, and query the corresponding access information from the comparison list according to the IP address assigned by the local end.
  • the first encapsulation module is configured to encapsulate the obtained access information into an access information header and insert the message into the message.
  • the embodiment of the present invention further provides a first P-CSCF, as shown in FIG. 9, which includes: a first P-CSCF query module; and in order to achieve a better beneficial effect, the method further includes: The first P-CSCF header identification module connected to the CSCF query module, and the first P-CSCF package insertion module connected to the first P-CSCF query module.
  • the first P-CSCF header identification module is configured to identify whether an access header exists in a message sent by the user terminal.
  • the first P-CSCF query module is configured to set a comparison list, and when the information header identification module determines that the access information header does not exist in the message, the access information is queried according to the IP address of the user terminal.
  • the first P-CSCF encapsulation module is configured to encapsulate the obtained access information into an access information header and insert the message into the message.
  • An embodiment of the present invention further provides a second P-CSCF, as shown in FIG. 10, which includes: a second P-CSCF query proxy module; to achieve a better beneficial effect, further comprising: and the second P The CSCF queries the second P-CSCF header identification module connected to the proxy module, and the second P-CSCF package insertion module connected to the second P-CSCF query proxy module.
  • the second P-CSCF header identification module is configured to identify whether an access header exists in a message sent by the user terminal.
  • the second P-CSCF query proxy module is configured to determine the cancellation in the information header identification module When there is no access information header in the information, the server interacts with the server, and queries the corresponding access information from the comparison list according to the IP address of the user terminal.
  • the second P-CSCF encapsulation module is configured to encapsulate the obtained access information into an access information header and insert the message into the message.
  • embodiments of the present invention provide three query systems.
  • System Example 1 Referring to Figure 11, it includes: a user terminal of the present invention, and a server of the present invention associated therewith.
  • the server is configured to set a comparison list for query.
  • the user terminal is configured to query corresponding access information from a comparison list in the server according to an IP address allocated by the local end.
  • System Example 2 Referring to Figure 12, it includes: The first P-CSCF of the present invention, and an existing user terminal connected thereto.
  • the P-CSCF is configured to query, according to an IP address sent by the user terminal, a corresponding access information from a locally set comparison list.
  • System Example 3 Referring to Figure 13, it includes: an existing user terminal connected in sequence, a second P-CSCF of the present invention, and a server of the present invention.
  • the server is configured to set a comparison list for query.
  • the P-CSCF is configured to query, according to an IP address sent by the user terminal, the corresponding access information from the comparison list in the server.
  • the present invention sets a comparison list containing the corresponding IP address start address, IP address end address, access type, and positioning information in the P-CSCF, or is set independently.
  • the server when the access information of the user terminal needs to be known, the corresponding access type and location information are queried from the comparison list by using the IP address assigned by the user terminal. Thereby, the encapsulation of the access information header is completed and inserted into the message, so that some special services related to access related functions can be deployed.
  • the queried access information is encapsulated and inserted into the registration request message, and then re-issued. Register.
  • each network element in the system will update the related information of the user terminal by using the registration request message, so that the access probability of the access service can be higher, and the implementation of other types of services is not affected by the present invention.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Information Transfer Between Computers (AREA)

Abstract

La présente invention concerne un procédé, un système et un dispositif d'obtention d'informations d'accès à utiliser pour résoudre le problème de ne pas pouvoir propager certains services liés à un accès découlant actuellement du fait que l’équipement d’un utilisateur ne pouvait parfois pas obtenir ni véhiculer un en-tête d’informations d’accès efficace lorsqu’il envoyait un SIP du côté réseau. Le procédé se compose : du côté réseau qui alloue dynamiquement une adresse IP à l’équipement d’un utilisateur lorsque cet équipement donne origine à un accès, et de la requête des informations d’accès correspondantes à partir d’une liste correspondante selon l’adresse IP allouée. L’équipement d’utilisateur, l’entité de fonction de contrôle de session d’appel de mandataire, le serveur et le système de requête s’utilisent pour supporter le procédé.
PCT/CN2006/002793 2005-10-20 2006-10-20 Procede, systeme et dispositif d’obtention d’informations d’acces WO2007045181A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN200510109267.5 2005-10-20
CN200510109267 2005-10-20
CN200610000907.3 2006-01-12
CN200610000907.3A CN1953465A (zh) 2005-10-20 2006-01-12 一种获取接入信息的方法及装置

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Cited By (1)

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WO2014101433A1 (fr) * 2012-12-27 2014-07-03 腾讯科技（深圳）有限公司 Procédé et dispositif d'accès à un serveur d'applications

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CN113132348B (zh) * 2021-03-10 2023-10-24 国网江苏省电力有限公司信息通信分公司 一种局域网sip终端自动发现方法和装置

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Cited By (2)

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Publication number Priority date Publication date Assignee Title
WO2014101433A1 (fr) * 2012-12-27 2014-07-03 腾讯科技（深圳）有限公司 Procédé et dispositif d'accès à un serveur d'applications
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