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WO2018010265A1 - Procédé d'enregistrement d'ims et msc - Google Patents

Procédé d'enregistrement d'ims et msc Download PDF

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Publication number
WO2018010265A1
WO2018010265A1 PCT/CN2016/096721 CN2016096721W WO2018010265A1 WO 2018010265 A1 WO2018010265 A1 WO 2018010265A1 CN 2016096721 W CN2016096721 W CN 2016096721W WO 2018010265 A1 WO2018010265 A1 WO 2018010265A1
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WO
WIPO (PCT)
Prior art keywords
ics
terminal
identifier
ims
msc
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Application number
PCT/CN2016/096721
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English (en)
Chinese (zh)
Inventor
王曦
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中兴通讯股份有限公司
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Filing date
Publication date
Application filed by 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Publication of WO2018010265A1 publication Critical patent/WO2018010265A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/40—Network security protocols
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W60/00—Affiliation to network, e.g. registration; Terminating affiliation with the network, e.g. de-registration

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to a method for registering an IP Multimedia Subsystem (IMS) by selecting Circuit Switching (CS) and a Mobile Switching Center (MSC).
  • IMS IP Multimedia Subsystem
  • CS Circuit Switching
  • MSC Mobile Switching Center
  • the purpose of the embodiments of the present invention is to provide a method for registering an IMS and an MSC, which solves the problem that the prior art cannot independently select which access method to register the IMS.
  • an embodiment of the present invention provides a method for registering an IMS, including:
  • the MSC obtains a comparison result between the ICS priority identifier and the preset ICS identifier, and determines, according to the comparison result, whether the terminal can register the IMS by using the CS registration mode corresponding to the ICS priority identifier;
  • the MSC registers the IMS with the CS registration mode instead of the terminal.
  • the embodiment of the present invention further provides another method for registering an IMS, including:
  • the terminal sends an uplink message that includes the ICS priority identifier to the MSC, so that the MSC obtains a comparison result between the ICS priority identifier and the preset ICS identifier, and determines, according to the comparison result, whether the terminal can use the ICS priority identifier.
  • CS registration method to register IMS;
  • the terminal If the terminal can register the IMS by using the CS registration mode corresponding to the ICS priority identifier, the terminal registers the IMS, where the terminal registration IMS is replaced by the MSC by the MSC to register the IMS in the CS registration mode. .
  • An embodiment of the present invention further provides an MSC, including:
  • a receiving module configured to receive, by the terminal, an uplink message that includes an ICS priority identifier
  • the obtaining module is configured to obtain a comparison result between the ICS priority identifier and the preset ICS identifier, and determine, according to the comparison result, whether the terminal can register the IMS by using the CS registration mode corresponding to the ICS priority identifier;
  • the registration module is configured to register the IMS in the CS registration mode instead of the terminal when the terminal can register the IMS by using the CS registration mode corresponding to the ICS priority identifier.
  • the embodiment of the invention further provides a terminal, including:
  • the first sending module is configured to send an uplink message that includes the ICS priority identifier to the MSC, so that the MSC obtains a comparison result between the ICS priority identifier and the preset ICS identifier, and determines, according to the comparison result, whether the terminal can use the Registering IMS with the CS registration mode corresponding to the ICS priority identifier;
  • a first registration module configured to register an IMS if the terminal is capable of registering an IMS by using a CS registration mode corresponding to the ICS priority identifier, where the first registration module registers an IMS by the MSC instead of the first registration
  • the module registers the IMS with the CS registration method.
  • the embodiment of the invention further provides a system for registering an IMS, comprising:
  • the terminal is configured to send an uplink message that includes the ICS priority identifier to the MSC;
  • the MSC is configured to receive an uplink message that is sent by the terminal and that includes an ICS priority identifier.
  • the MSC is further configured to obtain a comparison result between the ICS priority identifier and the preset ICS identifier, and determine, according to the comparison result, whether the terminal can register the IMS by using the CS registration mode corresponding to the ICS priority identifier;
  • the MSC is further configured to: if the terminal is able to register the IMS by using the CS registration mode corresponding to the ICS priority identifier, instead of the terminal registering the IMS by using the CS registration mode;
  • the terminal is further configured to: if the terminal is able to register an IMS by using a CS registration mode corresponding to the ICS priority identifier, registering an IMS, where the terminal registration IMS is replaced by the MSC by the MSC to register the CS Register IMS.
  • the embodiment of the present invention further provides a computer storage medium, where the computer storage medium stores one or more programs executable by a computer, and when the one or more programs are executed by the computer, the computer is executed as described above.
  • a method of registering an IMS is provided.
  • the MSC receives an uplink message that is sent by the terminal and includes the ICS priority identifier.
  • the MSC obtains a comparison result between the ICS priority identifier and the preset ICS identifier, and determines, according to the comparison result, whether the terminal can use the ICS. Determining the corresponding CS registration mode to register the IMS; if the terminal can register the IMS by using the CS registration mode corresponding to the ICS priority identifier, the MSC replaces the terminal to register the IMS in the CS registration mode, so that the CS can be preferentially selected. Register IMS.
  • FIG. 1 is a flowchart of a method for registering an IMS according to an embodiment of the present invention
  • FIG. 2 is a flowchart of another method for registering an IMS according to an embodiment of the present invention.
  • FIG. 3 is a flowchart of a registration IMS according to an embodiment of the present invention.
  • FIG. 4 is a flowchart of another registration IMS according to an embodiment of the present invention.
  • FIG. 5 is a structural diagram of an MSC according to an embodiment of the present invention.
  • FIG. 6 is a structural diagram of another MSC according to an embodiment of the present invention.
  • FIG. 7 is a structural diagram of another MSC according to an embodiment of the present invention.
  • FIG. 8 is a structural diagram of a terminal according to an embodiment of the present invention.
  • FIG. 9 is a structural diagram of another terminal according to an embodiment of the present invention.
  • an embodiment of the present invention provides a method for registering an IMS, including the following steps:
  • Step S101 The MSC receives an uplink message that is sent by the terminal and includes an ICS priority identifier.
  • Step S102 The MSC obtains a comparison result between the ICS priority identifier and the preset ICS identifier, and determines, according to the comparison result, whether the terminal can register the IMS by using the CS registration mode corresponding to the ICS priority identifier.
  • Step S103 If the terminal is able to register the IMS by using the CS registration mode corresponding to the ICS priority identifier, the MSC registers the IMS with the CS registration mode instead of the terminal.
  • step S101 the MSC receives the uplink message sent by the terminal, and the uplink message includes an ICS-preferred-flag (ICS-preferred-Flag), and the purpose is to notify the MSC terminal to use the CS to register the IMS by using the ICS mode.
  • ICS-preferred-Flag ICS-preferred-flag
  • the method further includes: :
  • the MSC filters out the ICS priority identifier from the received uplink message, and sends the ICS priority identifier to the home subscription subscriber server HSS, so that the HSS identifies the ICS priority identifier with the pre- Set the ICS flag (ICS-Flag) for comparison.
  • the HSS sends the ICS identifier to the MSC to notify the MSC terminal that the IMS terminal can use the CS to register the IMS. If the user corresponding to the terminal is not the advanced user, the HSS sends an error message to the MSC to notify the MSC terminal. You cannot use CS to register IMS. The MSC then transparently transmits the error information to the terminal, notifying the terminal that the CS cannot be used to register the IMS.
  • the MSC registers the IMS in the CS registration mode instead of the terminal.
  • the MSC obtains a comparison result between the ICS priority identifier and the preset ICS identifier, and includes:
  • the MSC acquires a comparison result between the ICS priority identifier sent by the HSS and a preset ICS identifier.
  • the MSC obtains a comparison result between the ICS priority identifier sent by the HSS and the ICS identifier stored in advance, and determines whether the terminal can use the CS to register the IMS according to the comparison result.
  • the MSC determines, according to the comparison result, whether the terminal can register the IMS by using the CS registration mode corresponding to the ICS priority identifier, including:
  • the terminal can register the IMS by using the CS registration mode corresponding to the ICS priority identifier;
  • the terminal can register the IMS by using a CS registration manner corresponding to the ICS priority identifier.
  • the HSS sends the ICS as true to the MSC, informing the MSC terminal that the IMS can be registered using the CS. If the ICS priority identifier is inconsistent with the ICS identifier, the HSS extracts the data of the user corresponding to the terminal stored in advance. If the user corresponding to the terminal is an advanced user, the HSS sends the ICS flag to the MSC to be true, and notifies the MSC terminal that the IMS can be registered by using the CS.
  • the method further includes:
  • the MSC receives the error information sent by the HSS.
  • the HSS sends an error message to the MSC to notify the MSC terminal that the CS cannot be used to register the IMS.
  • the MSC then transparently transmits the error information to the terminal, notifying the terminal that the CS cannot be used to register the IMS.
  • the terminal needs to search the network to scan whether there is a CS network for registering the IMS with the CS through the ICS. If yes, the available CS network is used and used.
  • the method of the example uses the CS registration IMS to report to the network through the ICS.
  • a method for registering an IMS where the method carries an ICS priority identifier in an uplink message, thereby It is possible to achieve autonomous selection of CS registration IMS.
  • an embodiment of the present invention provides another method for registering an IMS, including the following steps:
  • Step S201 The terminal sends an uplink message that includes the ICS priority identifier to the MSC, so that the MSC obtains a comparison result between the ICS priority identifier and the preset ICS identifier, and determines, according to the comparison result, whether the terminal can use the ICS priority.
  • the IMS is registered with the corresponding CS registration method.
  • Step S202 If the terminal is able to register the IMS by using the CS registration mode corresponding to the ICS priority identifier, the terminal registers the IMS, where the terminal registration IMS is replaced by the MSC by the terminal to register with the CS. Way to register IMS.
  • step S201 the terminal sends an uplink message including the ICS priority identifier to the MSC, and the uplink message includes an ICS priority identifier, and the purpose is to notify the MSC terminal to use the CS to register the IMS by using the ICS method.
  • the comparison result is that the MSC filters out the ICS priority identifier from the received uplink message, and sends the ICS priority identifier to the HSS, where the ICS preferentially identifies the ICS The result of comparison with the preset ICS identification.
  • the MSC filters out the ICS priority identifier from the received uplink message, and then sends the ICS priority identifier to the HSS, and then the HSS compares the ICS priority identifier with the ICS identifier previously stored in the HSS. Possible outcomes.
  • One is that the ICS priority identifier is consistent with the ICS identifier, and the HSS sends the ICS identifier to the MSC, and the MSC terminal is notified that the IMS terminal can use the CS to register the IMS.
  • Another result is that the ICS priority identifier is inconsistent with the ICS identifier, and the HSS extracts the data of the user corresponding to the terminal stored in advance.
  • the HSS sends the ICS identifier to the MSC to notify the MSC terminal that the IMS terminal can use the CS to register the IMS. If the user corresponding to the terminal is not the advanced user, the HSS sends an error message to the MSC to notify the MSC terminal. You cannot use CS to register IMS. The MSC then transparently transmits the error information to the terminal, notifying the terminal that the CS cannot be used to register the IMS.
  • the MSC registers the IMS in the CS registration mode instead of the terminal.
  • the comparison result is that the MSC obtains a comparison result between the ICS priority identifier sent by the HSS and the preset ICS identifier.
  • the MSC obtains a comparison result between the ICS priority identifier sent by the HSS and the ICS identifier stored in advance, and determines whether the terminal can use the CS to register the IMS according to the comparison result.
  • the terminal can register the IMS by using a CS registration manner corresponding to the ICS priority identifier;
  • the terminal can register the IMS by using the CS registration mode corresponding to the ICS priority identifier.
  • the HSS sends the ICS as true to the MSC, informing the MSC terminal that the IMS can be registered using the CS. If the ICS priority flag is inconsistent with the ICS ID, the HSS extraction is stored in advance. The data of the user corresponding to the terminal. If the user corresponding to the terminal is an advanced user, the HSS sends the ICS flag to the MSC to be true, and notifies the MSC terminal that the IMS can be registered by using the CS.
  • the method further includes:
  • the terminal receives the error information sent by the HSS transparently transmitted by the MSC.
  • the HSS sends an error message to the MSC to notify the MSC terminal that the CS cannot be used to register the IMS.
  • the MSC then transparently transmits the error information to the terminal, notifying the terminal that the CS cannot be used to register the IMS.
  • the terminal needs to search the network to scan whether there is a CS network for registering the IMS with the CS through the ICS. If yes, the available CS network is used and used.
  • the method of the example uses the CS registration IMS to report to the network through the ICS.
  • a method for registering an IMS is provided.
  • the method carries an ICS priority identifier in an uplink message, so that the CS registration IMS can be independently selected and used.
  • an embodiment of the present invention provides a flowchart for registering an IMS, including:
  • Step S301 the setting module setting on the terminal uses the CS registration IMS, preferably by way of ICS.
  • the setup module on the terminal then informs the IMS service module on the terminal that it has preferably registered the IMS using the CS in an ICS manner.
  • Step S302 After receiving the notification of the setting module, the IMS service module on the terminal determines the IMS status of the current terminal. There are four states: the IMS has been registered with the IMS, the IMS is not registered, the IMS has been registered by the PS but no IMS session, the IMS has been registered by the PS, and the IMS session is in progress.
  • Step S303 If the IMS status of the terminal is that the IMS is used to register the IMS by means of the ICS, the terminal prompts the user to use the CS to register the IMS by means of the ICS.
  • Step S304 If the IMS status of the terminal is that the IMS is not registered or the IMS has been registered by the PS but no IMS session is present, the IMS service module generates an ICS priority identifier, and sends the ICS priority identifier to the wireless communication module on the terminal, and then the wireless communication module is in the uplink message.
  • the ICS priority flag is reported in the middle.
  • Step S305 If the IMS status of the terminal is that the IMS is registered by the PS and the IMS session is in progress, the IMS service module prompts the user that there is currently an ongoing IMS session, and whether to wait for the session to terminate and then use the CS to register the IMS through the ICS. .
  • Step S306 If the user chooses to wait for the session to terminate and then uses the CS to register the IMS through the ICS, the IMS service module generates an ICS priority identifier, waits for the IMS session to end, and then sends the ICS priority identifier to the wireless communication module, and then the wireless communication module.
  • the ICS priority identifier is reported in the upstream message.
  • Step S307 If the user chooses to use the CS to register the IMS through the ICS without waiting for the session to terminate, the IMS service module terminates the current IMS session and generates an ICS priority identifier, and then sends the generated ICS priority identifier to the wireless gateway.
  • the wireless communication module informs the MSC that the reason for the termination is that the user wants to use the CS to register the IMS in the manner of the ICS, and reports the ICS priority identifier in the uplink signaling.
  • the terminal when the terminal has registered the IMS through the PS, the terminal does not affect the IMS to use the CS to register the IMS. Because the IMS and the HSS are successfully registered in the ICS mode, the IMS and the HSS will overwrite the original PS mode. Access the IMS registration set, generate a new set of registered addresses, and treat the new set of registered addresses as the communication address of the terminal.
  • a method for registering an IMS is provided.
  • the method carries an ICS priority identifier in an uplink message, so that the CS registration IMS can be independently selected and used.
  • an embodiment of the present invention provides a flowchart for registering an IMS, including:
  • Step S401 The receiving module of the HSS receives the ICS priority identifier, and then forwards it to the decision module of the HSS.
  • Step S402 The decision module of the HSS determines that the terminal wants to preferentially use the ICS to use the CS registration IMS, and extracts the ICS identifier of the user corresponding to the terminal stored in advance from the storage module of the HSS.
  • Step S403 The decision module determines whether the received ICS priority identifier is consistent with the ICS identifier.
  • Step S404 If the ICS priority identifier and the ICS identifier are consistent, the decision module identifies the ICS as a sending module that is actually sent to the HSS.
  • Step S405 If the ICS priority identifier and the ICS identifier are inconsistent, the determining module extracts data of the user corresponding to the terminal from the storage module.
  • Step S406 The determining module determines, according to the data of the user corresponding to the terminal extracted from the storage module, whether the user is an advanced user.
  • Step S407 If the user corresponding to the terminal is an advanced user, the decision module sends the ICS identifier to the sending module.
  • Step S408 If the user corresponding to the terminal is not an advanced user, the determining module sends the error information to the sending module.
  • a method for registering an IMS is provided.
  • the HSS receives the ICS priority identifier, compares the ICS priority identifier with the ICS identifier, and determines whether to send the ICS identifier to the MSC according to the comparison result and the level of the user corresponding to the terminal. Therefore, the CS registration IMS can be implemented in a manner of autonomously selecting the ICS.
  • an embodiment of the present invention provides a structure of an MSC, including the following modules:
  • the receiving module 501 is configured to receive, by the terminal, an uplink message that includes an ICS priority identifier of the IMS centralized service;
  • the obtaining module 502 is configured to obtain a comparison result between the ICS priority identifier and the preset ICS identifier, and determine, according to the comparison result, whether the terminal can register the IMS by using the CS registration mode corresponding to the ICS priority identifier;
  • the registration module 503 is configured to register the IMS in the CS registration mode instead of the terminal when the terminal can register the IMS by using the CS registration mode corresponding to the ICS priority identifier.
  • the MSC further includes:
  • the filtering module 504 is configured to filter out the ICS priority identifier from the received uplink message.
  • the sending module 505 is configured to send the ICS priority identifier to the home subscription subscriber server HSS, so that the HSS compares the ICS priority identifier with the preset ICS identifier.
  • the obtaining module 502 is configured to obtain a comparison result between the ICS priority identifier sent by the HSS and the preset ICS identifier.
  • the MSC further includes:
  • the determining module 506 is configured to: when the ICS priority identifier is consistent with the preset ICS identifier, determine that the terminal can register the IMS by using a CS registration manner corresponding to the ICS priority identifier;
  • the determining module 506 is configured to: when the ICS priority identifier is inconsistent with the preset ICS identifier, and the user corresponding to the terminal is an advanced user, determine that the terminal can use the CS corresponding to the ICS priority identifier. Registration method to register IMS.
  • the receiving module 501 is configured to receive the error information sent by the HSS when the ICS priority identifier is inconsistent with the preset ICS identifier, and the user corresponding to the terminal is not an advanced user.
  • the MSC may be the MSC in the embodiment shown in FIG. 1 to FIG. 4, and any embodiment of the MSC in the embodiment shown in FIG. 1 to FIG. 4 may be used by the MSC in this embodiment. Implementation, no longer elaborate here.
  • an MSC is proposed, and the method for registering an IMS by using the CS in an ICS manner can be implemented on the MSC.
  • the embodiment of the present invention provides a structure of a terminal, including the following modules:
  • the first sending module 801 is configured to send an uplink message that includes the ICS priority identifier to the MSC, so that the MSC obtains a comparison result between the ICS priority identifier and the preset ICS identifier, and determines, according to the comparison result, whether the terminal can be used. Registering, by the ICS priority identifier, a CS registration mode to register an IMS;
  • the first registration module 802 is configured to: if the terminal is able to register the IMS with the CS registration mode corresponding to the ICS priority identifier, register the IMS, where the first registration module registers the IMS by the MSC instead of the first The registration module registers the IMS in the CS registration mode, and the terminal may generate the ICS priority identifier and add the ICS priority identifier to the uplink message, to notify the MSC that the terminal preferably uses the CS to register the IMS by using the ICS.
  • the comparison result is that the MSC filters out the ICS priority identifier from the received uplink message, and sends the ICS priority identifier to the HSS, where the ICS preferentially identifies the ICS The result of comparison with the preset ICS identification.
  • the comparison result is that the MSC obtains a comparison result between the ICS priority identifier sent by the HSS and a preset ICS identifier.
  • the terminal can register the IMS by using a CS registration manner corresponding to the ICS priority identifier;
  • the terminal can register the IMS by using the CS registration mode corresponding to the ICS priority identifier.
  • the terminal further includes:
  • the first receiving module 803 is configured to: if the ICS priority identifier is inconsistent with the preset ICS identifier, and the user corresponding to the terminal is not an advanced user, receive error information sent by the HSS transparently transmitted by the MSC .
  • the foregoing terminal may be the terminal in the embodiment shown in FIG. 1 to FIG. 7, and any implementation manner of the terminal in the embodiment shown in FIG. 1 to FIG. 7 may be used by the terminal in this embodiment. Implementation, no longer elaborate here.
  • a terminal is proposed, and a method for registering an IMS by using a CS in an ICS manner can be implemented on the terminal.
  • An embodiment of the present invention provides a system for registering an IMS, including:
  • the terminal is configured to send an uplink message that includes the ICS priority identifier to the MSC;
  • the MSC is configured to receive an uplink message that is sent by the terminal and that includes an ICS priority identifier.
  • the MSC is further configured to obtain a comparison result between the ICS priority identifier and the preset ICS identifier, and determine, according to the comparison result, whether the terminal can register the IMS by using the CS registration mode corresponding to the ICS priority identifier;
  • the MSC is further configured to: if the terminal is able to register the IMS by using the CS registration mode corresponding to the ICS priority identifier, instead of the terminal registering the IMS by using the CS registration mode;
  • the terminal is further configured to: if the terminal is able to register an IMS by using a CS registration mode corresponding to the ICS priority identifier, registering an IMS, where the terminal registration IMS is replaced by the MSC by the MSC to register the CS Register IMS.
  • the terminal sends an uplink message including the ICS priority identifier to the MSC, and the MSC receives the uplink message sent by the terminal.
  • the uplink message includes an ICS priority identifier (ICS-preferred-Flag), and the purpose is to notify the MSC terminal to use the CS to register the IMS by using the ICS method.
  • ICS-preferred-Flag ICS priority identifier
  • the MSC filters out the ICS priority identifier from the received uplink message, and then sends the ICS priority identifier to the HSS.
  • the HSS sends the ICS identifier to the MSC to notify the MSC terminal that the IMS terminal can use the CS to register the IMS. If the user corresponding to the terminal is not the advanced user, the HSS sends an error message to the MSC to notify the MSC terminal. You cannot use CS to register IMS. The MSC then transparently transmits the error information to the terminal, notifying the terminal that the CS cannot be used to register the IMS.
  • the MSC replaces the terminal with the CS. Registration method to register IMS.
  • a system for registering an IMS is provided.
  • the terminal sends an uplink message to the MSC.
  • the uplink message includes an ICS priority identifier, and the ICS priority identifier is compared with the ICS identifier, and the comparison result and the level of the user corresponding to the terminal determine whether the The ICS identifier is sent to the MSC as true, so that the CS registration IMS can be implemented in a manner that enables self-selection of the ICS.
  • the MSC obtains a comparison result between the ICS priority identifier and the preset ICS identifier, and determines, according to the comparison result, whether the terminal can register the IMS by using the CS registration mode corresponding to the ICS priority identifier;
  • the MSC registers the IMS with the CS registration mode instead of the terminal.
  • the method further includes: :
  • the MSC filters out the ICS priority identifier from the received uplink message, and sends the ICS priority identifier to the home subscription subscriber server HSS, so that the HSS identifies the ICS priority identifier with the pre- Set the ICS logo for comparison.
  • the MSC obtains a comparison result between the ICS priority identifier and the preset ICS identifier, and includes:
  • the MSC acquires a comparison result between the ICS priority identifier sent by the HSS and a preset ICS identifier.
  • the MSC determines, according to the comparison result, whether the terminal can register the IMS by using the CS registration mode corresponding to the ICS priority identifier, including:
  • the terminal can register the IMS by using the CS registration mode corresponding to the ICS priority identifier;
  • the terminal can register the IMS by using a CS registration manner corresponding to the ICS priority identifier.
  • the method further includes:
  • the MSC receives the error information sent by the HSS.
  • the terminal sends an uplink message that includes the ICS priority identifier to the MSC, so that the MSC obtains a comparison result between the ICS priority identifier and the preset ICS identifier, and determines, according to the comparison result, whether the terminal can use the ICS priority identifier.
  • the terminal If the terminal can register the IMS by using the CS registration mode corresponding to the ICS priority identifier, the terminal registers the IMS, where the terminal registration IMS is replaced by the MSC by the MSC to register the IMS in the CS registration mode. .
  • the comparison result is that the MSC filters out the ICS priority identifier from the received uplink message, and sends the ICS priority identifier to the HSS, where the ICS preferentially identifies the ICS The result of comparison with the preset ICS identification.
  • the comparison result is that the MSC obtains a comparison result between the ICS priority identifier sent by the HSS and the preset ICS identifier.
  • the terminal can register the IMS by using a CS registration manner corresponding to the ICS priority identifier;
  • the terminal can register the IMS by using the CS registration mode corresponding to the ICS priority identifier.
  • the method further includes:
  • the terminal receives the error information sent by the HSS transparently transmitted by the MSC.
  • the storage medium is, for example, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk.
  • the foregoing technical solution of the embodiment of the present invention may be applied to the process of registering an IMS, where the MSC receives an uplink message that is sent by the terminal and includes an ICS priority identifier; and the MSC obtains a comparison result between the ICS priority identifier and the preset ICS identifier, according to The comparison result determines whether the terminal can register the IMS by using the CS registration mode corresponding to the ICS priority identifier; if the terminal can register the IMS by using the CS registration mode corresponding to the ICS priority identifier, the MSC replaces the terminal with the The CS registration method registers the IMS, so that the CS registration IMS can be preferentially selected.

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

Abstract

L'invention concerne un procédé d'enregistrement d'un IMS et un MSC. Le procédé comprend les étapes suivantes : un MSC reçoit un message de liaison montante comprenant un identificateur de priorité ICS envoyé par un terminal ; le MSC obtient un résultat de comparaison entre l'identificateur de priorité ICS et un identificateur ICS prédéfini et détermine, en fonction du résultat de comparaison, si le terminal est apte à enregistrer un IMS à l'aide d'un procédé d'enregistrement CS correspondant à l'identificateur de priorité ICS ; si le terminal est apte à enregistrer l'IMS à l'aide du procédé d'enregistrement CS correspondant à l'identificateur de priorité ICS, le MSC remplace le terminal pour enregistrer l'IMS à l'aide du procédé d'enregistrement CS. Selon les modes de réalisation de la présente invention, il est possible de sélectionner de façon autonome d'enregistrer un IMS à l'aide d'un CS au moyen d'un ICS.
PCT/CN2016/096721 2016-07-15 2016-08-25 Procédé d'enregistrement d'ims et msc WO2018010265A1 (fr)

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CN201610563072.6 2016-07-15
CN201610563072.6A CN107623944A (zh) 2016-07-15 2016-07-15 一种注册ims的方法和msc

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Citations (4)

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