WO2010043173A1 - Procédé, système et dispositif de conversion de numéro - Google Patents

Procédé, système et dispositif de conversion de numéro Download PDF

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Publication number
WO2010043173A1
WO2010043173A1 PCT/CN2009/074426 CN2009074426W WO2010043173A1 WO 2010043173 A1 WO2010043173 A1 WO 2010043173A1 CN 2009074426 W CN2009074426 W CN 2009074426W WO 2010043173 A1 WO2010043173 A1 WO 2010043173A1
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WIPO (PCT)
Prior art keywords
switching center
number change
mobile service
service switching
identifier
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PCT/CN2009/074426
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English (en)
Chinese (zh)
Inventor
周文
Original Assignee
华为技术有限公司
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Publication of WO2010043173A1 publication Critical patent/WO2010043173A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/0016—Arrangements providing connection between exchanges
    • H04Q3/0029—Provisions for intelligent networking

Definitions

  • Embodiments of the present invention relate to the field of communications technologies, and in particular, to a method, system, and apparatus for number conversion. Background technique
  • the caller ID is the access code + the secondary number sequence number + the calling number. . If the length of the access code is long, the length of the caller ID number will exceed 16 bits, but the CAMEL (Customized Application for Mobile Network Enhanced Logic) specification specifies the service control point (SCP, The length of the caller number in the connect message sent by the Service Control Point cannot exceed 16 bits, which prevents the SCP from sending data to the Mobile Service Switching Center (MSC), which affects the development and impact of the intelligent service. user experience.
  • SCP service control point
  • MSC Mobile Service Switching Center
  • the embodiments of the present invention provide a method, system, and apparatus for number conversion, so that the SCP can deliver data exceeding the CAMEL specification to the mobile service switching center to improve the user experience.
  • a method for number change comprising: accepting a call of a calling party to a called party; determining that the call meets an intelligent service triggering condition, and sending an initial Detect Point (IDP) message to the service control point; receiving the service control point
  • the returned connection message, the connection message carries the first number change identifier, or the second number change identifier, or the number change identifier and the route identifier; the number change is performed according to the first number change identifier; or the second number change identifier is included
  • the initial address message of the second number change identifier is sent to the designated mobile service switching center, so that the mobile service switching center performs number conversion according to the second number change identifier; or sends the initial address message including the number change identifier to the specified mobile according to the route identifier.
  • the service switching center enables
  • a method for number conversion comprising: receiving an initial checkpoint IDP message sent by a mobile service switching center of a calling location; returning a connection message to a mobile service switching center of the calling location, where the connection message carries Transmitting, by the mobile service switching center of the calling location, the number change according to the first number change identifier; or returning a connection message to the mobile service switching center of the calling location, the connection
  • the message carries the route identifier and the number change identifier, so that the mobile service switching center of the calling location sends an IAM message including the number change identifier to the designated mobile service switching center according to the route identifier, so that the specified mobile
  • the service switching center performs the number conversion according to the number change identifier; or returns a connection message to the mobile service switching center of the calling location, where the connection message carries the second number change identifier, so that the calling party visits the place
  • the mobile service switching center transforms the identifier according to the second number IAM message comprising a second identification number conversion is sent to
  • a number conversion system comprising: a mobile service switching center at a calling location, for receiving The receiving caller calls the called party, determines that the call meets the intelligent service triggering condition, sends an initial checkpoint IDP message to the service control point to trigger the smart service, and receives the connection message returned by the service control point; the service control point is used to The mobile service switching center of the calling location sends a connection message; the connection message includes a first number change identifier, or a number change identifier and a route identifier, or a second number change identifier; wherein the mobile service switching center of the calling party further uses Performing number conversion according to the first number change identifier; or when the connection message includes the route identifier and the number change identifier, the mobile service switching center of the calling location is further configured to send the IAM message including the number change identifier to the designated according to the route identifier The mobile service switching center, the designated mobile service switching center performs number conversion according to the number change identifier; or when the connection message includes the second number change
  • a service control point comprising: a receiving unit, configured to receive an initial checkpoint IDP message sent by a mobile service switching center at a calling location; and a sending unit, configured to return to the mobile service switching center of the calling visited place
  • the message carries a number change identifier, so that the mobile service switching center at the calling location performs the number change according to the number change identifier; or the connection message returned to the mobile service switching center of the calling party, and the connection message carries the route identifier.
  • the number change identifier so that the mobile service switching center of the calling location sends the connection message to the designated mobile service switching center according to the route identifier, and the designated mobile service switching center performs number change according to the number change identifier; or visits to the calling party.
  • connection message returned by the mobile service switching center the connection message carrying the second number change identifier, so that the mobile service switching center of the calling location sends the IAM message containing the second number change identifier to the designated one according to the second number change identifier
  • the designated mobile service switching center performs number change according to the second number change identifier.
  • a mobile service switching center of the calling location comprising: a receiving unit, configured to receive a call of the calling party to the called party; and a sending unit, configured to send the initial checkout to the service control point when the call meets the intelligent service triggering condition
  • the receiving unit is further configured to receive the connection message returned by the service control point, where the connection message carries the first number change identifier, or the second number change identifier and the route identifier; and the number change unit is configured to change the identifier according to the first number Performing number conversion; or transmitting an initial address message including the second number change identifier to the designated mobile service switching center according to the second number change identifier, so that the mobile service switching center performs number change according to the second number change identifier; or according to the route
  • the identifier sends an initial address message including the number change identifier to the designated mobile service switching center, so that the mobile service switching center performs number change according to the number change identifier.
  • a method for number conversion comprising: receiving a call of a calling party to a called party; determining that the call satisfies an intelligent service triggering condition, and sending an initial checkpoint IDP message to the service control point; receiving a connection message returned by the service control point
  • the connection message carries a number change identifier; and the number transformation is performed according to the number change identifier.
  • a method for number change comprising: receiving an initial checkpoint IDP message sent by a mobile service switching center of a calling location; returning a connection message to a mobile service switching center of the calling visited place, where the connection message carries The number change identifier is such that the mobile service switching center performs number change according to the number change identifier.
  • the number change is performed according to the number change identifier in the connection message returned by the service control point, and the smart service on the SCP is provided with a stronger number change capability, which avoids the restriction on the number length in the CAMEL specification.
  • FIG. 1 is a schematic diagram showing the basic flow of a number conversion method according to an embodiment of the present invention
  • FIG. 2 is a basic block diagram of a number conversion system according to an embodiment of the present invention.
  • FIG. 3 is a basic block diagram of a service control point according to an embodiment of the present invention.
  • FIG. 4 is a basic block diagram of a mobile service switching center according to an embodiment of the present invention.
  • FIG. 5 is a basic structural diagram of a number conversion method according to an embodiment of the present invention.
  • FIG. 6 is a flowchart of a specific application example of a number conversion method according to an embodiment of the present invention
  • FIG. 7 is another basic structural diagram of a number conversion method according to an embodiment of the present invention.
  • FIG. 8 is a flowchart of another specific application example of the number conversion method according to the embodiment of the present invention
  • FIG. 9 is a flowchart of another specific application example of the number conversion method according to the embodiment of the present invention.
  • FIG. 1 The basic process of the number conversion method in the embodiment of the present invention may refer to FIG. 1 , which mainly includes the steps of: A1, accepting a call of the calling party to the called party;
  • the calling party is called, and the call is connected to the mobile service switching center of the calling place;
  • A2 determining that the call meets an intelligent service trigger condition, and sending an initial checkpoint IDP message to the service control point;
  • the trigger condition may be at least a subscription information of the calling party, a subscription information of the called party, or an access code added by the user.
  • the calling subscription information may be a routing identifier and a service key obtained from a calling home location register, where the routing identifier points to a service control point, and the service key indicates a service subscribed by the user.
  • the called subscription information may be a route identifier and a service key obtained from the called home location register, and the access code added by the user may directly point to the service control point, where the called party is signed.
  • the information is an intelligent service trigger condition, for example, sending route sending information (SRI, Send Routing Information) to the visited location register of the called user, and receiving the called subscription information returned by the visited location register, when it is determined that the intelligent service trigger is satisfied.
  • SRI Send Routing Information
  • the initial checkpoint IDP message is sent to the service control point, and the IDP message includes information such as the calling number, the called number, and the service key.
  • connection message carries a first number conversion identifier, or a second number change identifier, or a number change identifier and a route identifier;
  • the service control point needs to determine whether a number change is required according to the service logic of the service key information of the IDP message. If, in the case of a card number, it is determined that the caller ID number sent to the mobile service switching center of the calling place will exceed 16 bits and does not comply with the CAMEL regulations, thereby determining that the number change is required, the service control point visits the calling party.
  • the mobile service switching center of the ground sends a Connect Connect message.
  • the Connect Connect message here contains at least three cases:
  • Case 1 The service control point judges the mobile service center support number change of the calling party according to the stored capability information of the mobile service switching center. Generally, whether the mobile service switching center supports the number change is mainly whether the mobile service switching center stores the conversion rule supporting the number conversion, and the connection Connect message returned by the SCP to the calling mobile service switching center includes: the first number Transform the ID and calling number.
  • the service control point determines, according to the stored capability information of the mobile service switching center, that the mobile service switching center of the calling party does not support such number change, and the SCP returns the connection to the mobile service switching center of the calling party.
  • Connect message includes: second number change identifier and called number The code, and the second number change identifier is also used for the route identifier.
  • Case 3 The service control point judges that the mobile service switching center of the calling party does not support such number change, and returns a Connect Connect message to the mobile service switching center of the calling party.
  • the Connect Connect message includes: a number change identifier, a route identifier, and a called number, and the route identifier and the number change identifier are different identifiers, and the number change identifier is a first route identifier or a second route identifier.
  • A4 performing a number conversion according to the first number change identifier; or sending an initial address message including the second number change identifier to the designated mobile service switching center according to the second number change identifier, so that the mobile service switching center according to the The second number change identifier performs number conversion; or sends an initial address message including the number change identifier to the designated mobile service switching center according to the route identifier, so that the mobile service switching center performs number change according to the number change identifier.
  • Case 1 When the connection message carries only the first number change identifier, the mobile service switching center of the calling location is based on The first number change identifier and the calling number complete the number change. For example, when the number is 1 ⁇ 1 ⁇ , the number of the number change returned by the service control point to the mobile service switching center of the calling party is D1, and the calling number is 13905291998.
  • the mobile service switching center of the calling site converts D 1 to 125831, where 12583 is the access code, 1 is the secondary number sequence number, and the calling party If the number does not change, the converted number is 12583113905291998, and then the call containing the converted number is connected to the mobile service switching center of the called place, and the called party displays the caller number as 12583113905291998;
  • the second number change identifier is also the route identifier of the designated mobile service switching center. Then, the mobile service switching center of the calling party sends the message to the designated mobile service exchange according to the second number change identifier. Heart. For example, when the number is more than one, the second control number returned by the service control point to the mobile service switching center of the calling location is 0251298, the called number is 13905291989, and the route identifier and the number change identifier are the same identifier, that is, 0251298.
  • the route identifier of the designated mobile service switching center is also used as the number change identifier.
  • the mobile service switching center of the calling party adds the calling number 13905291988 to the connection message, and will include the initial address message (Initial Address Message, IAM) including the calling number, the second number conversion identifier 0251298, and the called number 13905291989.
  • IAM Initial Address Message
  • the message is sent to the designated mobile service switching center according to the route identifier 0251298, and the designated mobile service switching center completes the number conversion according to the stored number change rule and the second number change identifier, and converts 0251298 to 125831.
  • 12583 is the access code
  • 1 is the secondary number order.
  • the number change identifier may be the first number change identifier or the second number change identifier.
  • the mobile service switching center of the calling location adds a calling number to the connection message, and sends the IAM message including the calling number, the number change identifier, and the called number to the designated IAM message according to the routing identifier in the connection message.
  • Mobile service switching center The designated mobile services switching center performs number conversion according to the number change identifier in the IAM message.
  • the number change identifier may be either the first number change identifier D1 or the second number change identifier 0251298, and the designated mobile service switching center converts D1 or 0251298 to 125831 according to the stored number change rule.
  • 12583 is the access code
  • 1 is the secondary number order.
  • the embodiment of the present invention provides a system for number conversion.
  • the block diagram of the composition is shown in FIG. 2, including the mobile service switching center 201 and the service control point 202 of the calling site;
  • the mobile service switching center 201 of the calling site is configured to receive a call from the calling party to the called party, determine that the call meets the smart service triggering condition, and send an initial checkpoint IDP message to the service control point 202 to trigger the smart service, and receive the service.
  • the trigger condition may be at least: subscription information of the calling party, subscription information of the called party, or an access code added by the user.
  • the calling subscription information may be a routing identifier and a service key obtained from a calling home location register, where the routing identifier points to a service control point, and the service key indicates a service that the user subscribes to, such as a card number, and the called party
  • the subscription information may be a route identifier and a service key obtained from the called home location register, and the access code dialed by the user may directly point to the service control point, where the called subscription information is an intelligent service trigger condition, for example, Sending the route location information register (SRI, Send Routing Information) of the visited location of the user, receiving the called subscription information returned by the visited location register, and sending the initial checkout to the service control point after determining that the intelligent service trigger condition is met Point IDP message, the IDP message contains information such as calling number, called number, and business key.
  • SRI Send Routing Information
  • the service control point 202 is configured to receive an initial checkpoint IDP message sent by the mobile service switching center 201 of the calling location, and determine, according to the service logic of the service key information carried in the IDP message, whether a number change is needed. .
  • the mobile service switching center 201 of the calling location is further configured to: perform number conversion according to the first number change identifier; or when the connection message includes the route identifier and the number change identifier, the mobile service switching center 201 of the calling location further And transmitting, by the routing identifier, an IAM message including a number change identifier to a designated mobile service switching center, where the designated mobile service switching center performs number conversion according to the number change identifier; or when the connection message includes the second number change identifier
  • the service control point 202 is further configured to determine, according to the stored capability information of the mobile service switching center number, that the mobile service switching center 201 of the calling party supports the number conversion, and delivers the number to the mobile service switching center 201 of the calling location.
  • a connection message of the number change identifier; or determining, according to the stored capability information of the mobile service switching center number conversion, that the mobile service switching center 201 of the calling party does not support the number change, and the mobile service switching center 201 of the calling party is called.
  • the service control point 202 is further configured to determine, according to the stored capability information of the mobile service switching center number transformation, that the mobile service switching center 201 of the calling location does not support the number conversion and determines the routing identifier of the mobile service switching center that performs the number change, and the The route identifier is the same as the second number change identifier, and the connection message carrying the second number change identifier is returned to the mobile service switching center 201 of the calling location.
  • the number change identifier is a first number change identifier or a second number change identifier.
  • An embodiment of the present invention provides a service control point, as shown in FIG. 3, including:
  • the receiving unit 301 is configured to receive an initial check sent by the mobile service switching center at the calling location. Out of the IDP message;
  • the sending unit 302 is configured to return a connection message to the mobile service switching center of the calling location, where the connection message carries a number change identifier, so that the mobile service switching center of the calling location performs number conversion according to the number change identifier Or returning a connection message to the mobile service switching center of the calling location, where the connection message carries a route identifier and a number change identifier, so that the mobile service switching center at the calling location sends a connection message to the designated message according to the route identifier.
  • the designated mobile service switching center performs number conversion according to the number change identifier; or returns a connection message to the mobile service switching center of the calling party, where the connection message carries the second number change identifier, so that the calling party visits
  • the mobile service switching center of the ground sends an IAM message including the second number change identifier to the designated mobile service switching center according to the second number change identifier, and the designated mobile service switching center performs number change according to the second number change identifier.
  • the service control point may further include a determining unit 303, configured to determine, according to the stored capability information of the mobile service switching center number conversion, the mobile service switching center supporting number conversion of the calling location, and to the mobile service of the calling visited place.
  • the switching center sends a connection message including the number change identifier; or determines, according to the stored capability information of the mobile service switching center number, that the mobile service switching center of the calling party does not support the number change, and exchanges the mobile service with the calling party.
  • the center sends a connection message including the number change identifier and the route identifier; or is used to determine, according to the stored capability information of the mobile service switching center number transformation, that the mobile service switching center of the calling party does not support the number change and determines the number change movement.
  • the route identifier of the service switching center, and the route identifier is the same as the second number change identifier, and returns a connection message carrying the second number change identifier to the mobile service switching center of the calling location.
  • the embodiment of the present invention provides a mobile service switching center, as shown in FIG. 4, including:
  • the receiving unit 401 is configured to accept a call of the calling party to the called party;
  • the sending unit 402 is configured to: when the calling party meets the smart service triggering condition, send an initial checkpoint IDP message to the service control point;
  • the receiving unit 401 is further configured to receive a connection message returned by the service control point, where the connection message carries a first number change identifier, or a second number change identifier and a route identifier;
  • the number change unit 403 is configured to perform number conversion according to the first number change identifier, or send an initial address message including the second number change identifier to the designated mobile service switching center according to the second number change identifier, so that the designated mobile service is performed.
  • the switching center performs number conversion according to the second number change identifier; or sends an initial address message including the number change identifier to the designated mobile service switching center according to the route identifier, so that the designated mobile service switching center performs the number according to the number change identifier. Transform.
  • the composition diagram is as shown in FIG. 5, including the calling party, the called party, and the mobile service of the calling party.
  • the specific process is shown in Figure 6:
  • the calling party A calls the called B;
  • the call is sent to the mobile service switching center MSCa of the calling party A.
  • the number of the calling party A is 13905291988
  • the called number B is the first secondary number of the user of 1 ⁇ ⁇ number 13905291989
  • the corresponding primary number is 13905291990.
  • the MSCa sends a route sending information SRI to the visited location register HLRb of the called B visited location to obtain the subscription information of the called B.
  • the HLRb returns a route sending information response SRI-ack information to the MSCa, SRI-acld
  • the contract information of the called B is carried in the middle.
  • the subscription information includes information such as the service control point SCP address and the service key, and the service key information indicates the service that the called party subscribes to, for example, supports one card multi-number service.
  • the MSCa sends an initial checkpoint IDP message to the SCP according to the SCP address in the subscription information.
  • the IDP message contains information such as the calling number, the called number, and the service key information.
  • the SCP sends a request to the MSCa to report a BCSM event (RRBE, Request Report Service Model) information;
  • the RRBE information is used to control the call.
  • the SCP sends an application charging (AC, Apply Charge) information to the MSCa.
  • AC Application Charging
  • AC information is used to bill calls.
  • the SCP determines that the number change is needed according to the service key information in the IDP message, and determines that the MSCa supports the number change according to the stored capability information of the mobile service switching center number, and sends a Connect message to the MSCa.
  • the SCP judges that if the number change is not performed, the number access code 12583, the secondary number 1, and the calling number 13905291988 sent to the MSCA are added to be 17 bits. If the CAMEL rule is not met, it is determined that the number conversion is required, and according to the storage.
  • the capability information of the mobile service switching center number change determines that the MSCA supports the number change, and sends a Connect message to the MSCa.
  • the GenericNumber parameter in the Connect message is a number change indication identifier and a calling number, where the number change indication identifier is D1.
  • the calling number is 13905291988.
  • the MSCa sends a route sending information SRI message to the HLRb, and carries the suppression subscription information identifier (II T-CSI); After receiving the Connect message, the MSCa completes the conversion of the caller ID number according to the number change indication.
  • the D113905291988 is converted into 12583113905291988, and then the SLR message is sent to the HLRb to which the called number 13905291990 belongs, with the suppression of the subscription information identifier.
  • the HLRb sends a request for a Provider subscriber number (referred to as a PRN) to the MSCb.
  • a PRN Provider subscriber number
  • the PRN request requires the roaming number of the called 13905291990.
  • the MSCb returns the roaming number of the called 13905291990 to the HLRb;
  • HLRb sends the roaming number of 13905291990 to MSCa;
  • the MSCa sends an Initial Address Message (IAM) information to the MSCb according to the roaming number of the called 13905291990.
  • IAM Initial Address Message
  • MSCa connects the call to MSCb.
  • the MSCb connects the call to the user B, and the ringing sounds, and the caller ID is displayed on the called terminal;
  • the MSCb initiates an Address Complete Message (ACM) to the MSCa to indicate that the address information required by the called user has been received.
  • ACM Address Complete Message
  • the MSCb sends an Address Answer Signal Message (ANM) message to the MSCa, indicating the called response.
  • NAM Address Answer Signal Message
  • the number change is performed according to the change identifier and the calling number included in the connection message delivered by the service control point, so that the smart service on the SCP is provided with a stronger number change capability, and the CAMEL specification is avoided.
  • the length of the number is limited.
  • connection message delivered by the service control point includes a number change identifier, the calling number, and the mobile service switching center of the calling location according to the number change identification completion number.
  • Transforming provides a stronger number change capability for intelligent services on the SCP, avoiding the limitation of the number length in the CAMEL specification.
  • the composition diagram is as shown in FIG. 7, including the caller A, the called B, and the caller A.
  • the specific process is shown in Figure 8:
  • the calling party A calls the called B;
  • the call is sent to the mobile service switching center MSCa of the calling party A.
  • the number of the calling party A is 13905291988
  • the called number B is the first secondary number of the user of 1 ⁇ ⁇ number 13905291989
  • the corresponding primary number is 13905291990.
  • MSCa sends a route sending information to the visited location register HLRb of the called B visited place; the SRI includes a request for acquiring the called B subscription information.
  • the HLRb sends a message to the MSCa to send a response to the SRI ack, where the called B subscription information is included.
  • the subscription information includes information such as the service control point SCP address and the service key, and the service key indicates the service of the called contract, for example, supporting one card multi-number service.
  • the MSCa sends an initial checkout point message to the designated SCP according to the subscription information.
  • the IDP message contains information such as the calling number and the called number.
  • the SCP sends a request to the MSCa to report the BCSM event information, where the RRBE information is used to control the call.
  • the SCP sends the application charging information to the MSCa, where the AC information is used to charge the call.
  • the SCP determines that the number change needs to be performed, and determines that the MSCA does not support the number change. Change, send Connect Connect message to MSCa;
  • the SCP judges that if the number change is not performed, the number access code 12583, the secondary number 1, and the calling number 13905291988 that are sent to the MSCA add up to 17 bits. If the CAMEL rule is not met, it is determined that the number conversion is required, and The stored mobile service switching center number change capability information determines that the MSCA does not support the number change, and then sends a Connect message to the MSCa, and the Connect message is the number change identifier 02512598 + the called number 13905291989, and the route identifier and the number change identifier are The same logo.
  • the MSCa sends an initial address message to the MSCb.
  • the MSCa fills in the IAM message with the calling number 13905291988 in the connect message, the called number 13905291989 with the number change identifier 0251298, and sends the IAM message to the designated according to the route identifier 0251298.
  • Mobile service switching center
  • the MSCb sends a route sending information message to the HLRb and carries a suppression subscription information identifier (
  • MSCa After receiving the Connect message, MSCa completes the number change according to the number change identifier 0251298. First, the called number in the form 0251298+13905291989 is converted into 13905291989, and then 13905291989 is converted into the calling number 13905291988, and then added before the calling number. After entering the code 12583 and the secondary number sequence number 1, the converted number is 12583113905291998 and then sends an SRI message to the HLRb with the suppression of the subscription information identifier.
  • the HLRb sends a subscriber number PRN request to the MSCc.
  • the PRN request requires the roaming address of the called primary number 13905291990.
  • MSCc returns the roaming address of the called primary number 13905291990 to the HLRb;
  • HLRb returns a route sending information response to the MSCb, and sends the roaming address of the called primary number 13905291990 to the MSCb; 813.
  • the MSCb sends an initial address information IAM message to the MSCc according to the routing address of the MSCc.
  • the MSCb connects the call to the MSCc.
  • the MSCc connects the call to the user B, the ringing sounds, and the caller ID is displayed on the called terminal; 815, the MSCc sends an address full message ACM to the MSCb, indicating that the address information required by the called user has been received;
  • the MSCb sends the ACM message to the MSCa.
  • the MSCc sends an address information response message ANM to the MSCb, indicating the called response.
  • the MSCb sends the AN A' information to the MSCa.
  • the connection message delivered by the service control point includes the number change identifier, the called number and the route identifier, and the number change identifier and the route identifier are the same identifier, and the calling number in the connection message is changed by the number.
  • the called number parameter is filled in the IAM message, and the IAM message is sent to the designated mobile service switching center according to the route identifier.
  • the designated mobile service switching center completes the number change according to the number change identifier, and provides a stronger number for the intelligent service on the SCP.
  • the ability to transform avoids the limitation of the number length in the CAMEL specification.
  • the composition diagram is as shown in FIG. 7, including the caller A, the called B, and the caller A.
  • the specific process is shown in Figure 9:
  • the call is sent to the mobile service switching center MSCA of the calling A.
  • the number of the calling party A is 13905291988
  • the called number B is the first secondary number of the user of 1 ⁇ ⁇ number 13905291989, corresponding to The main number is 13905291990.
  • the MSCa sends a route sending information to the visited location register HLRb of the called B visited place; the SRI includes a request for acquiring the called B subscription information.
  • the HLRb sends the called B subscription information to the MSCa.
  • the subscription information includes information such as the service control point SCP address and the service key, and the service key indicates the service of the called contract, for example, supporting one card multi-number service.
  • the MSCa sends an IDP message to the designated SCP according to the subscription information.
  • the IDP message includes information such as a calling number, a called number, and a service key of a card multi-number service.
  • the SCP sends the RRBE information to the MSCa.
  • the RRBE information is used to control the call.
  • the SCP sends AC information to the MSCa.
  • the AC information is used to charge the call.
  • the SCP determines that the number change needs to be performed, and determines that the MSCa does not support the number change, and sends a Connect message to the MSCa.
  • the SCP judges that if the number change is not performed, the number access code 12583, the secondary number 1, and the calling number 13905291988 that are sent to the MSCA add up to 17 bits. If the CAMEL rule is not met, it is determined that the number conversion is required, and The stored mobile service switching center number change capability information determines that the MSCA does not support the number change, and then sends a Connect message to the MSCa.
  • the Connect message is the number change identifier 02512598 and the called number 13905291989, and the route identifier is 0251333.
  • MSCa sends an initial address message IAM to the MSCb;
  • MSCa fills in the IAM message with the calling number 13905291988 in the connect message, the called number 13905291989 with the number change identifier 0251298, and sends the IAM message to the designated mobile services switching center according to the route identifier 0251333.
  • the MSCb sends a route sending information message to the HLRb with the suppression subscription information identifier (
  • MSCa After receiving the Connect message, MSCa completes the number change according to the number change identifier 0251298. First, the called number in the form 0251298+13905291989 is converted into 13905291989, and then 13905291989 is converted into the calling number 13905291988, and then added before the calling number. After entering the code 12583 and the secondary number sequence number 1, the converted number is 12583113905291998 and then sends an SRI message to the HLRb with the suppression of the subscription information identifier.
  • the HLRb sends a user number PRN request to the MSCc.
  • the PRN request requires the roaming address of the called primary number 13905291990.
  • MSCc returns the roaming address of the called primary number 13905291990 to the HLRb;
  • the HLRb returns a route sending information response to the MSCb, and sends the roaming address of the called primary number 13905291990 to the MSCb.
  • the MSCb sends initial address information to the MSCc according to the routing address of the MSCc.
  • the MSCb connects the call to the MSCc.
  • the MSCc connects the call to the user B, and the ringing sounds, and the caller ID is displayed on the called terminal. 915.
  • the MSCc sends an address full message ACM to the MSCb, indicating that the address information required by the called user has been received.
  • the MSCb sends the ACM message to the MSCa.
  • the MSCc sends an ANM message to the MSCb to indicate the called response.
  • MSCb sends an ANM message to MSCa
  • the called number and the route identifier are included in the connection message delivered by the service control point, and the called number parameter of the calling number with the number change identifier in the connection message is filled in the IAM message. And sending the IAM message to the designated mobile service switching center according to the route identifier, and the designated mobile service switching center completes the number change according to the number change identifier, which is the SCP.
  • the intelligent service on the network provides a stronger number change capability, avoiding the limitation of the number length in the CAMEL specification.
  • An embodiment of the present invention provides a method for number conversion, including:
  • the number conversion is performed according to the number change identifier.
  • the embodiment of the invention further provides a method for number conversion, including:
  • the program can be stored in a computer readable storage medium.
  • the storage medium can include: ROM, RAM, disk or CD, etc.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

L'invention porte sur un procédé, un système et un dispositif de conversion de numéro. Après qu'un centre de commutation du service mobile (MSC) de l'endroit visité pour le correspondant appelant a déclenché un service intelligent sur un point de commande de service (SCP), le SCP détermine qu'une conversion de numéro est nécessaire. Le SCP envoi un message de connexion au MSC. Le MSC achève la conversion de numéro selon l'identification de conversion de numéro dans le message de connexion; ou selon l'identification de route dans le message de connexion, le MSC route le message de connexion vers un MSC spécifié et la conversion de numéro est effectuée par le MSC spécifié. Le procédé, le système et le dispositif évitent la limitation sur la longueur de numéro de la spécification d'application personnalisée pour la logique améliorée de réseau mobile (CAMEL).
PCT/CN2009/074426 2008-10-13 2009-10-13 Procédé, système et dispositif de conversion de numéro WO2010043173A1 (fr)

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CN200810217023A CN101730316A (zh) 2008-10-13 2008-10-13 一种号码变换的方法、系统和装置

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