WO2014059857A1 - 呼叫请求处理方法和装置 - Google Patents

呼叫请求处理方法和装置 Download PDF

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Publication number
WO2014059857A1
WO2014059857A1 PCT/CN2013/084011 CN2013084011W WO2014059857A1 WO 2014059857 A1 WO2014059857 A1 WO 2014059857A1 CN 2013084011 W CN2013084011 W CN 2013084011W WO 2014059857 A1 WO2014059857 A1 WO 2014059857A1
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WO
WIPO (PCT)
Prior art keywords
communication identification
identification card
card
terminal
status information
Prior art date
Application number
PCT/CN2013/084011
Other languages
English (en)
French (fr)
Inventor
刘世宏
张宇
唐铁
杨正淼
邵永平
丁国林
Original Assignee
中兴通讯股份有限公司
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 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Priority to EP13846531.5A priority Critical patent/EP2911421B1/en
Priority to US14/436,946 priority patent/US9516482B2/en
Publication of WO2014059857A1 publication Critical patent/WO2014059857A1/zh

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W4/00Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/16Communication-related supplementary services, e.g. call-transfer or call-hold
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/3816Mechanical arrangements for accommodating identification devices, e.g. cards or chips; with connectors for programming identification devices
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M3/00Automatic or semi-automatic exchanges
    • H04M3/42Systems providing special services or facilities to subscribers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W8/00Network data management
    • H04W8/18Processing of user or subscriber data, e.g. subscribed services, user preferences or user profiles; Transfer of user or subscriber data
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M3/00Automatic or semi-automatic exchanges
    • H04M3/42Systems providing special services or facilities to subscribers
    • H04M3/428Arrangements for placing incoming calls on hold
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W8/00Network data management
    • H04W8/02Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
    • H04W8/06Registration at serving network Location Register, VLR or user mobility server
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W88/00Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02Terminal devices

Definitions

  • GSM Global System for Mobile Communications
  • ETSI European Telecommunications Standards Institute
  • CDMA Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • CDMA Code Division Multiple Access
  • DS-CDMA Direct Sequence-Code Division Multiple Access
  • FDD Frequency Division Duplexing
  • WCDMA can support mobile/handheld devices Voice, image, data, and video communications at rates up to 2 Mb/s (for LANs) or 384 Kb/s (for broadband networks).
  • the input signal is first digitized and then transmitted in a coded spread spectrum mode over a wide spectral range.
  • Narrowband CDMA uses a carrier frequency of 200KHz width
  • WCDMA uses a carrier frequency of 5MHz width.
  • Both CDMA and WCDMA use spread spectrum technology, which greatly increases the communication speed of the terminal and is significantly improved compared to 2G technology. Therefore, it is called the third generation (3G) mobile phone system.
  • the above mainstream systems (including but not limited to the above several systems) have their own advantages. Each operator will use one or several mobile communication systems, and the communication charges will also vary greatly. In order to meet the needs of users to reduce communication charges and realize the separation of work and life calls, a dual-mode dual card machine has emerged.
  • the dual-mode dual-card machine has two Subscriber Identity Modules (SIMs) cards, and the two SIM cards can belong to different types of networks.
  • SIMs Subscriber Identity Modules
  • two sets of RF paths are required.
  • the commonly used technical solution is to use two radio frequency chips, namely, the radio frequency chip 1 and the radio frequency chip 2, and switch to the corresponding network through the switch.
  • SIM_1 and SIM_2 are controlled by the same baseband chip.
  • C+G network there are two RF chips.
  • W+G network only There is an RF transceiver chip, which is equipped with two sets of transceiver channels. However, there is only one switch for switching on which network the call is made (where TX is the transmitted signal and RX is the received signal).
  • TX is the transmitted signal
  • RX is the received signal.
  • Embodiments of the present invention provide a call request processing method and apparatus, to at least solve the related art. Since only one radio transceiver chip is set in a dual mode dual card machine, if one card is in a communication state, then when other cards are A technical problem that is likely to cause a call loss when calling.
  • a call request processing method including: acquiring state information of a second communication identification card located in the same terminal as the first communication identification card; processing the call request according to the status information
  • the call request is used to call the first communication identification card.
  • acquiring the status information of the second communication identification card located in the same terminal as the first communication identification card comprises: acquiring the status information of the second communication identification card from the database storing the status information.
  • the plurality of networks share a database for storing state information.
  • the method before the acquiring the status information of the second communication identification card in the same terminal as the first communication identification card, the method further includes: when the terminal is powered on, the terminal is located at a plurality of communication identification cards in the terminal.
  • the mobile switching center MSC of the plurality of networks sends the registration information, where the registration information carries indication information indicating that the plurality of communication identification cards in the terminal are located in the multi-card terminal; and the MSC is responsive to the indication information.
  • the related information of the above terminal is uploaded to the above database for storing status information.
  • the related information includes at least one of the following: an IMEI code of the terminal, an IMSI code of the terminal, and an MSISDN code of the plurality of communication identification cards in the terminal.
  • the acquiring the status information of the second communication identification card that is located in the same terminal as the first communication identification card comprises: transmitting a status information acquisition request to the database storing the status information, wherein the status information acquisition request carries the foregoing An MSISDN code of the communication identification card; receiving status information of the second communication identification card corresponding to the MSISDN code associated with the MSISDN code of the first communication identification card returned by the database.
  • the method further includes: if the second communication identification that is associated with the MSISDN code of the first communication identification card is not found in the database
  • the MSISDN code of the card is used to search for an MSISDN code corresponding to the MSISDN code of the first communication identification card corresponding to the terminal from the database according to the IMEI code of the terminal carried in the foregoing state information obtaining request; and receiving the return of the database
  • the MSC processing the call request according to the obtained status information of the second communication identification card includes: when the acquired status information of the second communication identification card comprises: when the second communication identification card is in a call state
  • the above call request is processed according to a predetermined policy.
  • the predetermined policy includes at least one of the following: after the terminal hangs up, sending the call request to the terminal by using the network where the second communication identification card is located; Sending a call request to the terminal; transmitting, by using the second communication identification card, the call request to the terminal by using a voice message; or transferring the call request call to the second communication identification card.
  • obtaining the status information of the second communication identification card located in the same terminal as the first communication identification card comprises: receiving the call request; determining whether the MSC of the network where the first communication identification card is located does not receive the foregoing time within a predetermined time The first communication identification card reports its own location information; if yes, the MSC acquires state information of the second communication identification card located in the same terminal as the first communication identification card.
  • a call request processing apparatus including: an obtaining unit, configured to acquire state information of a second communication identification card located in the same terminal as the first communication identification card; And configured to process the call request according to the foregoing status information, where the call request is used to call the first communication identification card.
  • the acquiring unit is configured to acquire state information of the second communication identification card from a database in which the state information is stored.
  • the acquiring unit when receiving an access request for a communication identification card in the terminal, if the communication identification card cannot be normally connected, the current state of another communication identification card in the terminal may be acquired, and then, The call request can be processed according to the current status of the other communication identification card.
  • the above method effectively solves the technical problem in the related art that only one radio transceiver chip is set in the dual-mode dual-card machine, so that if one card is in communication state, the technical problem of call loss will be easily caused when other cards are called.
  • the indication information of the card in the communication state is returned to the terminal, thereby achieving the technical effect of reducing call loss.
  • FIG. 1 is a schematic block diagram of a basic principle of a dual-radio chip solution dual-card dual-standby mobile phone according to the related art
  • FIG. 2 is a preferred flowchart of a call request processing method according to an embodiment of the present invention
  • Another preferred flow chart of a call request processing method according to an embodiment of the present invention FIG. 1
  • FIG. 4 is still another preferred flowchart of a call request processing method according to an embodiment of the present invention
  • FIG. 5 is a call according to an embodiment of the present invention.
  • a preferred block diagram of a request processing device FIG. 6 is a schematic flow chart of a call request processing method according to Embodiment 1 of the present invention
  • FIG. 7 is a preferred flow of a call request processing method according to Embodiment 2 of the present invention
  • the method includes the following steps: Step S202: Acquire status information of a second communication identification card that is located in the same terminal as the first communication identification card; S204: Process the call request according to the status information, where the call request is used to call the first communication identification card.
  • Step S202 Acquire status information of a second communication identification card that is located in the same terminal as the first communication identification card
  • S204 Process the call request according to the status information, where the call request is used to call the first communication identification card.
  • a database may be provided for storing status information of each communication identification card in each multimode terminal.
  • status information of the second communication identification card may be acquired from a database storing status information.
  • multiple networks ie, communication systems corresponding to multiple operators
  • a database may be set for each network, so that all state information needs to be traversed when acquiring state information.
  • the database finally gets the corresponding status information.
  • MSC Mobile Switching Center
  • Step S302 Before obtaining the status information of the second communication identification card in the same terminal as the first communication identification card, when the terminal is powered on, the terminal sends registration information to the MSCs of the plurality of networks where the plurality of communication identification cards in the terminal are located, The registration information carries indication information for indicating that multiple communication identification cards in the terminal are located in the multi-card terminal; Step S304: The MSC uploads related information of the terminal to the database for storing the status information in response to the indication information.
  • the related information may include, but is not limited to, at least one of the following: an International Mobile Equipment Identity (IMEI) code of the terminal, and an International Mobile Subscriber Identification Number (IMSI)
  • IMEI International Mobile Equipment Identity
  • IMSI International Mobile Subscriber Identification Number
  • MSISDN is a code and a plurality of communication identification cards in the terminal.
  • the ISDN is an Integrated Services Digital Network.
  • the state information can be obtained based on the MSISDN, which is relatively simple to implement, but it is also necessary to store the association relationship between the MSISDNs of several communication identification cards in the multimode terminal in the database, g ⁇ , if there is an A card
  • the MSISDN can search for the MSISDN associated with the MSISDN storage of the A card in the database.
  • the communication identification card corresponding to the MSISDN having the associated relationship is also the card located in the same terminal as the A card, and thus can be obtained by this method.
  • acquiring state information of the second communication identification card located in the same terminal as the first communication identification card includes: - Step S402: transmitting a status information acquisition request to the database storing the status information, The status information obtaining request carries the MSISDN code of the first communication identification card.
  • Step S404 Receive the status of the second communication identification card corresponding to the MSISDN code associated with the MSISDN code of the first communication identification card returned by the database. information.
  • the association relationship may not be stored in the database, and correspondingly, the corresponding identifier corresponding to the terminal is searched from the database according to the IMIE code of the terminal where the A card is located. It is different from the MSISDN code of the MSISDN code of the first communication identification card.
  • the method further includes: if the second communication identification that is associated with the MSISDN code of the first communication identification card is not found in the database
  • the MSISDN code of the card is used to search the MSISDN code of the MSISDN code different from the first communication identification card corresponding to the terminal according to the IMEI code of the terminal carried in the status information acquisition request; the received data returns different from the first communication identification.
  • the obtained status information of the second communication identification card is:
  • the call status is in the call state
  • the call request can be processed according to a predetermined policy.
  • the predetermined policy may include but is not limited to at least one of the following:
  • the call request is sent to the terminal through the network where the second communication identification card is located; 2) the call request is sent to the terminal by the short message through the network where the second communication identification card is located; 3) sending a call request to the terminal by voice message through the network where the second communication identification card is located; or
  • each communication identification card sends its own location information to the network it is in according to the predetermined frequency, if its corresponding RF transceiver chip does not work, it cannot report its own location information. Therefore, if it is found that the reason for the failure to connect is that the location information of the communication identification card cannot be turned on for a long time, it can be determined that the communication identification card cannot be connected, and the current state information of the communication identification card located in the same terminal can be obtained at this time, and then judged. Whether it is due to the communication identification card being communicated in the corresponding terminal cannot be turned on.
  • obtaining status information of the second communication identification card located in the same terminal as the first communication identification card comprises: receiving a call request; determining whether the MSC of the network where the first communication identification card is located is not received within a predetermined time The location information of the second communication identification card reported by the first communication identification card; if yes, the MSC acquires the status information of the second communication identification card located in the same terminal as the first communication identification card.
  • a call request processing device is also provided, which is used to implement the above-mentioned embodiments and preferred embodiments, and has not been described again.
  • the term "unit” or “module” may implement a combination of software and/or hardware of a predetermined function.
  • FIG. 5 is a block diagram of a preferred structure of a call request processing apparatus according to an embodiment of the present invention.
  • the method includes: an obtaining unit 502 and a processing unit 504.
  • the obtaining unit 502 is configured to acquire state information of the second communication identification card that is located in the same terminal as the first communication identification card.
  • the processing unit 504 is coupled to the acquisition unit 502, and configured to process the call request according to the state information, where The call request is used to call the first communication identification card.
  • the acquiring unit may acquire state information of the second communication identification card from a database in which the state information is stored. That is, a database dedicated to storing state information in which state information of each communication identification card is stored may be set.
  • a database dedicated to storing state information in which state information of each communication identification card is stored may be set.
  • the database is jointly updated and maintained by the networks to which the two SIMs belong, and the status information of the dual card dual standby is uploaded to the database in real time.
  • the called party network can obtain the status of the dual card dual standby by querying the related information of the database, thereby realizing the state recognition of the dual card dual standby.
  • the network side of the called SIM acquires the current state of the dual-card dual standby, according to The business when the called SIM card is contracted determines the next action.
  • the next action may be, but not limited to, at least one of the following: the caller may be reminded that the other party's phone is in a call, may select to hang up according to the mobile network capabilities of both parties, notify the other party by text message, leave a message to the other party, or wait for the other party to end.
  • the current call establishes a new call with it, thereby improving the user experience.
  • a shared database established between different mobile networks in this embodiment is referred to as a user state information sharing database.
  • database For convenience of description, hereinafter referred to as "database”.
  • the user status information saved in the data includes but is not limited to the following: in-call, no service, data service, fax service, video call, and idle.
  • the database can be maintained by a Mobile Switching Center (MSC) on different network sides, and the latest state of the dual-card dual-standby user is updated in real time.
  • MSC Mobile Switching Center
  • the database is passed. Querying the latest data of this database can determine the current accurate state of the user, and return the current state to the calling party network, and the calling party network determines the next action according to the user's service capability.
  • the database can be logically in two ways:
  • the data block is a separate database in which only the status information of the dual card dual standby user exists. Different networks will upload the status information of their dual-card dual-standby users to the database, and different networks can obtain the latest user's status information from the data. 2) It is divided into several sub-databases. Different mobile networks have their own independent databases, and each is responsible for its own database. When needed, it provides user's status information for other networks for further selection by other network sides.
  • the above database may physically coexist with an existing network device such as an MSC, or may exist independently of an existing network device.
  • the information in the database can be established or updated by various mechanisms, including but not limited to one of the following two ways:
  • the dual-card dual standby indicator is added to the report.
  • the indicator code can be added to the MS device type to distinguish between a normal single card mobile phone and a dual card dual standby mobile phone.
  • the MSC receives the dual-card dual-standby information in the MS registration information, the information such as the IMEI code, the IMSI code, and the MSISDN code of the MS is uploaded to the database. Because the information obtained in this way is time-sensitive, for example, if the terminal is shut down, the corresponding information in the database can be deleted accordingly.
  • the dual-card dual standby user may change at any time, if the above registration information is permanently valid, it will result in waste of network resources. 2)
  • the dual-card dual standby user actively registers with the network operator. The operator enters the information about the dual-card dual-machine into the database through the OSS operation and maintenance subsystem. This information is permanent information.
  • Embodiment 1 mainly relates to the double in this embodiment.
  • the card dual standby does not report the MSISDN code of another SIM card to the network database, so there is no association of the MSISDN codes of the two SIMs in the database, as shown in FIG.
  • Step S1 Dual card A SIM card (A card) in the dual standby establishes a call through the normal call flow, and the network belonging to the A card sends a data packet containing the A card status information to the database to update the dual card dual standby state.
  • the radio circuit corresponding to another SIM card (B card) does not work at that time, and cannot communicate with the base station BS, thereby causing it to be in a no service state (No Service).
  • Step S2 At this time, an external user calls the B card, and after receiving the call request, the B-network side of the B-card sends a request for requesting the location information of the B-card to the HLR/VLR, and the last B-card registration exists in the HLR.
  • the location information is sent to the MSC, and the MSC sends a signaling request to the corresponding BSC to page the B card according to the location information.
  • the radio circuit corresponding to the B card is in the off state, the paging is unsuccessful, and step S3 is performed. If the B card does not report the information to the BSC for a long time, for example, the time for not reporting the information exceeds the preset duration, the location of the B card does not exist in the HLR/VLR, so the MSC does not page the BSC, but directly Go to step S3.
  • Step S3 The MSC of the B-card network sends a status information request to the database, where the request carries the MSISDN code of the B-card and the IMEI code of the dual-card machine.
  • the database After receiving the status information request, the database first queries the database for another MSISDN code associated with the MSISDN code of the B card. Since there is no MSISDN code for storing another card, the return value is null. Then, the second query is performed. In this query, the IMEI code of the dual-card dual standby is used as a basis to retrieve the status information of the A card. For the embodiment, the status information of the A card is "in the call. ". The database returns the status information of the A card along with the IMEI code to the MSC of the B card network.
  • Step S4 After receiving the status information returned by the database, the MSC on the B-card network side determines the next action according to the information in the B-card subscription server.
  • the determining may be performed according to the B-card network capability and the information in the B-card subscription server, and the determined action may include, but is not limited to, one of the following actions: After hanging up, sending the message to the dual-card user through the A-card network by using a short message. The message is sent to the dual card machine user through the A card network or the call is transferred to the A card.
  • the network side of the B card obtains the real state of the mobile terminal of the B card, so that this information can be returned to the external caller network, thereby avoiding the phenomenon of "No Service" in the past and improving the user experience.
  • the registration process, the authentication process, the call setup process, or the attach process may be performed by using the existing techniques.
  • the main feature is that there is no association between the A card and the B card MSISDN code in the data, and the IMEI code of the dual card dual standby is required to implement the query of the status information.
  • the dual SIM dual standby is used to report the MSISDN of another SIM card to the network database. Therefore, there is an association between the MSISDN codes of the two SIMs in the database.
  • the method includes the following steps: Step S1: A SIM card (A card) in the dual-card dual standby establishes a call through a normal call flow, and the A-card network sends a data packet containing the A-card status information and the B-card. To the database to update the status of dual card dual standby.
  • Step S2 At this time, an external user calls the B card, and after receiving the call request, the B-network side of the B-card sends a request for requesting the location information of the B-card to the HLR/VLR, and the last B-card registration exists in the HLR.
  • the location information is sent to the MSC, and the MSC sends a signaling request to the corresponding BSC according to the location information.
  • B card but because the radio circuit corresponding to the B card is in the off state, the paging is unsuccessful, and step S3 is performed.
  • Step S3 The MSC of the B-card network sends a status information request to the database, where the request carries the B-card.
  • Step S4 After receiving the status information returned by the database, the MSC on the B-card network side notifies the calling party that the busy line is maintained. The next action is determined based on the information in the B card subscription server.
  • the determining may be performed according to the B-card network capability and the information in the B-card subscription server, and the determined action may include, but is not limited to, one of the following actions: After hanging up, sending the message to the dual-card user through the A-card network by using the short message, the voice The message is sent to the dual card machine user through the A card network or the call is transferred to the A card.
  • the other party is in a non-service mode when the dual card dual standby is in one party without changing the current network structure and the hardware is not upgraded.
  • software is also provided for performing the technical solutions described in the above embodiments and preferred embodiments.
  • a storage medium is provided, the software being stored, including but not limited to: an optical disk, a floppy disk, a hard disk, a rewritable memory, and the like.
  • the above method effectively solves the technical problem in the related art that only one RF transceiver chip is set in the dual-mode dual-card machine, so that if one card is in communication state, the technical problem of call loss will be easily caused when other cards are called.
  • the manner provided in this embodiment can return the indication information of the card in the communication state in the terminal, thereby achieving the technical effect of reducing call loss.
  • the above modules or steps of the present invention can be implemented by a general-purpose computing device, which can be concentrated on a single computing device or distributed over a network composed of multiple computing devices.
  • the steps shown or described may be performed in an order different than that herein, or they may be separately fabricated into individual integrated circuit modules, or Multiple of these modules or steps are fabricated as a single integrated circuit module.
  • the invention is not limited to any specific combination of hardware and software. The above is only the preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes can be made to the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and scope of the present invention are intended to be included within the scope of the present invention.

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Databases & Information Systems (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Telephonic Communication Services (AREA)
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Abstract

本发明公开了一种呼叫请求处理方法和装置,其中,该方法包括:获取与第一通信识别卡位于同一终端内的第二通信识别卡的状态信息;根据状态信息对呼叫请求进行处理,其中,呼叫请求用于呼叫第一通信识别卡。本发明解决了相关技术中由于双模双卡机中仅设置一个射频收发芯片,如果一张卡处于通信状态,那么当其它卡被呼叫时容易造成呼叫丢失的技术问题,达到了减少呼叫丢失的技术效果。

Description

呼叫请求处理方法和装置
技术领域 本发明涉及通信领域, 具体而言, 涉及一种呼叫请求处理方法和装置。 背景技术 随着社会的发展和科技的进步, 手机的应用已经越来越广泛, 从原本的只有一家 营运商垄断, 到现在的已经有多家营运商并存的状况, 已经打破了原本垄断的局面。 然而, 不同的运营商有着自己不同的通信制式。 目前, 广泛应用的移动通信制式是全球移动通信系统 (Global System for Mobile Communications,简称 GSM)。这是由欧洲电信标准组织( European Telecommunications Standards Institute, 简称为 ETSI)制订的一个数字移动通信标准。 GSM是全球移动通 信系统( Global System for Mobile Communications )的简称。它的空中接口采用的是时 分多址技术。 自上世纪 90年代中期投入商用以来,被全球超过 100个国家采用。 GSM 标准的设备的使用在当前全球蜂窝移动通信设备市场的份额在 80%以上。 GSM较之其 以前的标准最大的不同是它的信令和语音信道都是数字式的, 因此 GSM被看作是第 二代 (2G) 移动电话系统。 码分多址技术 (Code Division Multiple Access, 简称为 CDMA) 主要是通过数字 技术中的扩频通信技术的基础上发展起来的一种崭新而又成熟的无线通信技术。 CDMA技术的原理是基于扩频技术, 即将需传送的具有一定信号带宽信息数据, 用一 个带宽远大于信号带宽的高速伪随机码进行调制,从而使得原数据信号的带宽被扩展, 再对其进行载波调制并将调制后的信号发送出去。 接收端使用完全相同的伪随机码, 与接收的带宽信号作相关处理, 把宽带信号转换为原信息数据的窄带信号, 即解扩, 以实现数据通信。 宽带码分多址 (Wideband Code Division Multiple Access, 简称为 WCDMA) 是从 码分多址(CDMA)演变来的, 从官方看被认为是 IMT-2000的直接扩展, 与现在市场 上通常提供的技术相比,它能够为移动和手提无线设备提供更高的数据速率。 WCDMA 采用直接序列扩频码分多址 (Direct Sequence-Code Division Multiple Access, 简称为 DS-CDMA)、 频分双工 (Frequency Division Duplexing, 简称为 FDD) 方式, 码片速 率为 3.84Mcps, 载波带宽为 5MHz。 基于 Release 99/Release 4版本, 可在 5MHz的带 宽内, 提供最高 384kbps的用户数据传输速率。 WCDMA能够支持移动 /手提设备之间 的语音、 图像、 数据以及视频通信, 速率可达 2Mb/s (对于局域网而言)或者 384Kb/s (对于宽带网而言)。输入信号先被数字化,然后在一个较宽的频谱范围内以编码的扩 频模式进行传输。 窄带 CDMA使用的是 200KHz宽度的载频, 而 WCDMA使用的则 是一个 5MHz宽度的载频。 CDMA与 WCDMA都是采用扩频技术, 从而使得终端的通信速率得到大幅提高, 较 2G技术有明显提升, 因此被称为第三代 (3G) 移动电话系统。 以上几种主流制式 (包括但不局限于以上几种制式) 各有优势, 每家运营商会使 用一种或几种移动通信制式, 通信资费也有很大差别。 为了满足用户降低通信资费、 实现工作与生活电话相分离的需求出现了双模双卡机。 双模双卡机拥有两张用户识别模块(Subscriber Identity Module, 简称为 SIM)卡, 两张 SIM卡可以分别属于不同制式的网络。 为了达到双模双卡双待的目的, 需要两套 射频通路。 目前, 常用的技术方案为采用两块射频芯片, 分别为射频芯片 1, 射频芯 片 2, 通过开关来切换到相应的网络上。 具体的实现原理如图 1 所示: 两张 SIM卡 (SIM_1和 SIM_2)由同一个基带芯片进行控制,对于 C+G的网络来讲有两个射频芯 片, 对于 W+G 的网络来讲仅有一个射频收发芯片, 都配备有两套收发通路。 然而, 仅有一个开关用于切换在哪个网络上进行通话(其中 TX是发送的信号, RX是接收的 信号), 一旦双模双卡机中有一张卡已经建立通话, 则另外一张卡就会处于 no service 的状态, 这样会直接导致发起通话请求与上述另一张卡进行通话的用户误认为对方的 手机处于信号不好的状态,也会让手机用户丢失在其通话过程中呼叫另一个卡的电话。 由上述分析可知, 相关技术中由于双模双卡机中仅设置一个射频收发芯片, 从而很容 易导致呼叫丢失。 针对上述的问题, 目前尚未提出有效的解决方案。 发明内容 本发明实施例提供了一种呼叫请求处理方法和装置, 以至少解决相关技术中由于 双模双卡机中仅设置一个射频收发芯片, 如果一张卡处于通信状态, 那么当其它卡被 呼叫时容易造成呼叫丢失的技术问题。 根据本发明实施例的一个方面, 提供了一种呼叫请求处理方法, 包括: 获取与第 一通信识别卡位于同一终端内的第二通信识别卡的状态信息; 根据上述状态信息对呼 叫请求进行处理, 其中, 上述呼叫请求用于呼叫上述第一通信识别卡。 优选地, 获取与第一通信识别卡位于同一终端内的第二通信识别卡的状态信息包 括: 从存储有上述状态信息的数据库获取上述第二通信识别卡的状态信息。 优选地, 多个网络共用一个用于存储状态信息的数据库。 优选地, 在获取与第一通信识别卡位于同一终端内的第二通信识别卡的状态信息 之前, 上述方法还包括: 当上述终端开机时, 上述终端向上述终端内的多个通信识别 卡所在的多个网络的移动交换中心 MSC 发送注册信息, 其中, 上述注册信息中携带 有用于指示上述终端内的上述多个通信识别卡是位于多卡终端内的指示信息; 上述 MSC 响应于上述指示信息将上述终端的相关信息上传至上述用于存储状态信息的数 据库。 优选地,上述相关信息包括以下至少之一:上述终端的 IMEI码、上述终端的 IMSI 码和上述终端内多个通信识别卡的 MSISDN码。 优选地, 获取与第一通信识别卡位于同一终端内的第二通信识别卡的状态信息包 括: 向存储上述状态信息的数据库发送状态信息获取请求, 其中, 上述状态信息获取 请求中携带有上述第一通信识别卡的 MSISDN码; 接收上述数据库返回的与上述第一 通信识别卡的 MSISDN码存在关联关系的 MSISDN码所对应的第二通信识别卡的状态 信息。 优选地, 在上述向存储上述状态信息的数据库发送状态信息获取请求之后, 上述 方法还包括: 如果在上述数据库内未查找到与上述第一通信识别卡的 MSISDN码存在 关联关系的第二通信识别卡的 MSISDN码, 则根据上述状态信息获取请求中携带的上 述终端的 IMEI码从上述数据库中查找与上述终端对应的不同于上述第一通信识别卡 的 MSISDN码的 MSISDN码;接收上述数据库返回的上述不同于上述第一通信识别卡 的 MSISDN码的 MSISDN码所对应的第二通信识别卡的状态信息。 优选地, 上述 MSC 根据获取的上述第二通信识别卡的状态信息对上述呼叫请求 进行处理包括: 当获取到的上述第二通信识别卡的状态信息包括: 上述第二通信识别 卡处于通话状态时, 按照预定策略对上述呼叫请求进行处理。 优选地, 上述预定策略包括以下至少之一: 在上述终端挂机后, 通过上述第二通 信识别卡所在网络将上述呼叫请求发送至上述终端; 通过上述第二通信识别卡所在网 络以短信方式将上述呼叫请求发送至上述终端; 通过上述第二通信识别卡所在网络以 语音留言方式将上述呼叫请求发送至上述终端; 或者将上述呼叫请求呼叫转移至上述 第二通信识别卡。 优选地, 获取与第一通信识别卡位于同一终端内的第二通信识别卡的状态信息包 括: 接收上述呼叫请求; 判断上述第一通信识别卡所在网络的 MSC 是否在预定时间 内未接收到上述第一通信识别卡上报的自身的位置信息; 如果是, 则上述 MSC 获取 与第一通信识别卡位于同一终端内的第二通信识别卡的状态信息。 根据本发明实施例的另一个方面, 提供了一种呼叫请求处理装置, 包括: 获取单 元, 设置为获取与第一通信识别卡位于同一终端内的第二通信识别卡的状态信息; 处 理单元, 设置为根据上述状态信息对呼叫请求进行处理, 其中, 上述呼叫请求用于呼 叫上述第一通信识别卡。 优选地, 上述获取单元设置为从存储有上述状态信息的数据库获取上述第二通信 识别卡的状态信息。 在本发明实施例中, 在接收到对终端内的一个通信识别卡的访问请求时, 如果不 能正常接通该通信识别卡, 则可以获取该终端内另一个通信识别卡当前的状态,然后, 可以根据另一通信识别卡当前的状态对呼叫请求进行处理。 通过上述方式有效解决了 相关技术中由于双模双卡机中仅设置一个射频收发芯片, 从而如果一张卡处于通信状 态, 那么当其它卡被呼叫时将很容易造成呼叫丢失的技术问题, 可以在返回该终端内 有处于通信状态的卡的指示信息, 从而达到减少呼叫丢失的技术效果。 附图说明 此处所说明的附图用来提供对本发明的进一步理解, 构成本申请的一部分, 本发 明的示意性实施例及其说明用于解释本发明, 并不构成对本发明的不当限定。 在附图 中: 图 1是根据相关技术的双射频芯片方案双卡双待手机的基本原理的示意框图; 图 2是根据本发明实施例的呼叫请求处理方法的一种优选流程图; 图 3是根据本发明实施例的呼叫请求处理方法的另一种优选流程图; 图 4是根据本发明实施例的呼叫请求处理方法的又一种优选流程图; 图 5是根据本发明实施例的呼叫请求处理装置的一种优选结构框图; 图 6是根据本发明实施方式一的呼叫请求处理方法的一种优选流程示意图; 图 7是根据本发明实施方式二的呼叫请求处理方法的一种优选流程示意图。 具体实施方式 下文中将参考附图并结合实施例来详细说明本发明。 需要说明的是, 在不冲突的 情况下, 本申请中的实施例及实施例中的特征可以相互组合。 本发明实施例提供了一种优选的呼叫请求处理方法, 如图 2所示,包括以下步骤: 步骤 S202: 获取与第一通信识别卡位于同一终端内的第二通信识别卡的状态信 息; 步骤 S204: 根据状态信息对呼叫请求进行处理, 其中, 呼叫请求用于呼叫第一通 信识别卡。 在上述优选实施方式中, 在接收到对终端内的一个通信识别卡的访问请求时, 如 果不能正常接通该通信识别卡, 则可以获取该终端内另一个通信识别卡当前的状态, 然后, 可以根据另一通信识别卡当前的状态对呼叫请求进行处理。 通过上述方式有效 解决了相关技术中由于双模双卡机中仅设置一个射频收发芯片, 从而如果一张卡处于 通信状态, 那么当其它卡被呼叫时将很容易造成呼叫丢失的技术问题, 通过本实施例 所提供的方式可以返回该终端内有处于通信状态的卡的指示信息, 从而达到减少呼叫 丢失的技术效果。 在一个优选实施方式中, 可以设置一个数据库用于存储各个多模终端中各个通信 识别卡的状态信息, 例如, 可以从存储有状态信息的数据库获取第二通信识别卡的状 态信息。 优选地, 多个网络 (即, 多个运营商对应的通信制式) 共用一个用于存储状 态信息的数据库, 当然也可以为每个网络设置一个数据库, 这样在获取状态信息时就 需要遍历所有的数据库以最终获取相应的状态信息。 为了可以在数据库中查找到相应的通信识别卡, 需要在数据库中存储相应的用于 识别通信识别卡的识别信息, 以便于查找通信识别卡。 这些信息可以由第一通信识别 卡所对应的网络的移动交换中心(Mobile Switching Center,简称为 MSC)进行上报的, 在一个优选实施方式, 如图 3所示, 可以按照以下步骤执行: 步骤 S302:在获取与第一通信识别卡位于同一终端内的第二通信识别卡的状态信 息之前, 当终端开机时, 终端向终端内的多个通信识别卡所在的多个网络的 MSC 发 送注册信息, 其中, 注册信息中携带有用于指示终端内的多个通信识别卡是位于多卡 终端内的指示信息; 步骤 S304: MSC 响应于指示信息将终端的相关信息上传至用于存储状态信息的 数据库。 优选地, 相关信息可以包括但不限于以下至少之一: 终端的国际移动设备识 别码 (International Mobile Equipment Identity, 简称为 IMEI) 码、 终端的国际用户识 别码 (International Mobile Subscriber Identification Number, 简称为 IMSI)码和终端内 多个通信识别卡的移动台国际 ISDN 号码 (Mobile Station ISDN Number, 简称为 MSISDN), 其中, ISDN为综合业务数字网 (Integrated Services Digital Network)。 相应的可以基于 MSISDN进行状态信息的获取, 实现起来较为简单, 不过这样也 就需要在数据库中存储多模终端中几个通信识别卡的 MSISDN之间的关联关系, g卩, 如果有了 A卡的 MSISDN, 则可以在数据库中查找与 A卡的 MSISDN存储关联关系 的 MSISDN,这些存在关联关系的 MSISDN对应的通信识别卡也就是和 A卡位于同一 终端内的卡, 通过这种方式便可以获取到与 A卡位于同一终端内的各个卡当前的状态 信息。 在一个优选实施方式中, 如图 4所示, 获取与第一通信识别卡位于同一终端内 的第二通信识别卡的状态信息包括- 步骤 S402: 向存储状态信息的数据库发送状态信息获取请求, 其中, 状态信息获 取请求中携带有第一通信识别卡的 MSISDN码; 步骤 S404: 接收数据库返回的与第一通信识别卡的 MSISDN码存在关联关系的 MSISDN码所对应的第二通信识别卡的状态信息。 本发明实施例中还给出了另外一种查找状态信息的方式, 在这种方式中数据库中 可以不存储关联关系, 相应的就根据 A卡所在终端的 IMIE码从数据库中查找与终端 对应的不同于第一通信识别卡的 MSISDN码的 MSISDN码。 在一个优选实施方式中, 在向存储状态信息的数据库发送状态信息获取请求之后, 上述方法还包括: 如果在数 据库内未查找到与第一通信识别卡的 MSISDN 码存在关联关系的第二通信识别卡的 MSISDN码, 则根据状态信息获取请求中携带的终端的 IMEI码从数据库中查找与终 端对应的不同于第一通信识别卡的 MSISDN码的 MSISDN码;接收数据库返回的不同 于第一通信识别卡的 MSISDN码的 MSISDN码所对应的第二通信识别卡的状态信息。 例如, 获取到的第二通信识别卡的状态信息为: 处于通话状态, 则可知当前第一 通信识别卡是由于另外一张卡处于通信状态而造成的无法接通。 这个时候就可以按照 预定的策略对呼叫请求进行处理。优选地,预定策略可以包括但不限于以下至少之一:
1 ) 在终端挂机后, 通过第二通信识别卡所在网络将呼叫请求发送至终端; 2) 通过第二通信识别卡所在网络以短信方式将呼叫请求发送至终端; 3 ) 通过第二通信识别卡所在网络以语音留言方式将呼叫请求发送至终端; 或者
4) 将呼叫请求呼叫转移至第二通信识别卡。 因为每个通信识别卡都会按照预定频率向其所在的网络发送自身的位置信息, 如 果其对应的射频收发芯片不工作, 也就无法上报自身的位置信息。 因此, 如果发现不 能接通的原因是长时间未上报自身的位置信息, 可以确定该通信识别卡无法接通, 这 个时候就可以获取与其位于同一终端内的通信识别卡当前的状态信息, 进而判断是否 是由于其对应的终端内有正在通信的通信识别卡而导致的无法接通。 在一个优选实施 方式中, 获取与第一通信识别卡位于同一终端内的第二通信识别卡的状态信息包括: 接收呼叫请求; 判断第一通信识别卡所在网络的 MSC 是否在预定时间内未接收到第 一通信识别卡上报的自身的位置信息; 如果是, 则 MSC 获取与第一通信识别卡位于 同一终端内的第二通信识别卡的状态信息。 在本实施例中还提供了一种呼叫请求处理装置, 该装置用于实现上述实施例及优 选实施方式, 已经进行过说明的不再赘述。 如以下所使用的, 术语"单元"或者"模块" 可以实现预定功能的软件和 /或硬件的组合。尽管以下实施例所描述的装置较佳地以软 件来实现, 但是硬件, 或者软件和硬件的组合的实现也是可能并被构想的。 图 5是根 据本发明实施例的呼叫请求处理装置的一种优选结构框图, 如图 5所示, 包括: 获取 单元 502和处理单元 504, 下面对该结构进行说明。 获取单元 502, 设置为获取与第一通信识别卡位于同一终端内的第二通信识别卡 的状态信息; 处理单元 504, 与获取单元 502耦合, 设置为根据状态信息对呼叫请求进行处理, 其中, 呼叫请求用于呼叫第一通信识别卡。 在一个优选实施方式中, 上述获取单元可以从存储有状态信息的数据库获取第二 通信识别卡的状态信息。 即, 可以设置一个专门用于存储状态信息的数据库, 该数据 库中存储有各个通信识别卡的状态信息。 本发明提供了一种优选的实施例来进一步对本发明进行解释,但是值得注意的是, 该优选实施例只是为了更好的描述本发明, 并不构成对本发明不当的限定。 针对相关技术中双卡双待手机在一张 SIM卡处于通话状态的情况下, 另一张 SIM 卡将处于无服务的状态而导致的呼叫丢失的技术问题。 本优选实施例提供了一种处理 方式, 核心的发明构思就是在网络间建立一个共享数据库, 用于存储双卡双待机的状 态信息、两张 SIM卡的 IMSI (International Mobile Subscriber Identification Number)码、 MSISDN (Mobile Station International ISDN/PSTN number) 码等相关信息。 优选地, 这个数据库由这两张 SIM所属的网络共同更新维护, 并实时地将双卡双待机的状态信 息上传至该数据库。 当其中任意一方无法被寻呼时, 被叫方网络可通过查询该数据库 的相关信息, 获取双卡双待机当前所处的状态, 从而实现了双卡双待机的状态识别。 通过上述方式, 当双卡双待手机中的一个 SIM卡在通话过程中的时候, 如果另一 张 SIM卡成为被叫方, 则被叫 SIM的网络侧获取双卡双待机当前的状态, 根据被叫 SIM卡签约时的业务决定下一步的动作。 优选地, 下一步的动作可以是但不限于以下 至少之一: 可提醒呼叫方对方的电话正在通话中、 可根据双方的移动网络能力选择挂 机以短信方式通知对方、 留言给对方或等待对方结束当前通话与之建立新的通话, 从 而提高用户体验。 值得注意的, 本优选实施例以双卡双待手机为例进行说明, 然而本 发明不限于此, 还可以推广至三卡三待或者更多模式的多卡多待的通信终端。 下面将结合几个具体的实施方式对其进行进一步说明。 将本实施例中在不同移动网络之间建立的一个共享数据库, 称之为用户状态信息 共享数据库, 为了表述方便, 下面简称为"数据库"。 在该数据中保存的用户状态信息 包括但不限于以下几种: 通话中、 无服务、 进行数据业务、 进行传真业务、 视频通话 以及空闲等。 优选地, 该数据库可以由不同网络侧的移动交换中心 (Mobile Switching Center, 简称为 MSC) 来进行维护, 实时更新双卡双待用户的最新状态, 当双卡双待 机用户为被叫时, 通过查询此数据库最新数据即可判定用户当前的准确状态, 并将当 前的状态返回至主叫方网络,由主叫方网络根据用户的业务能力来确定下一步的动作。 该数据库在逻辑上可以有以下两种方式:
1 )该数据块是一个独立的数据库, 其中仅存有双卡双待用户的状态信息。 不同网 络都会将各自的双卡双待用户的状态信息上传至该数据库, 同时不同网络都可以从该 数据获取最新用户的状态信息。 2)分为若干个子数据库, 不同移动网络都有各自独立的数据库, 并各自负责自已 的数据库,在需要时为其它网络提供用户的状态信息以供其它网络侧做出进一步选择。 优选地, 上述的数据库在物理上可与 MSC 等现有的网络设备共存, 也可独立于 现有的网络设备存在。 对于数据库中的信息可以采用多种机制进行建立或者更新, 可以包括但不局限于 以下两种方式之一:
1 ) 在 MS (移动终端) 开机注册网络时, 上报, 移动终端 (Mobile Station, 简称 为 MS) 相关信息时, 在上报信息中加入双卡双待机的指示码。 优选地, 该指示码可 加在 MS设备类型中,用以区分普通单卡手机和双卡双待手机。当 MSC收到 MS注册 信息中含有双卡双待信息时, 将此 MS的 IMEI码, IMSI码及 MSISDN码等信息上传 至数据库。 因为这种方式得到的信息是有时效性性的, 例如, 如果终端关机, 相应的 可以删除数据库中其对应的信息。 因为双卡双待机的用户随时可能会发生变动, 如果 上述的注册信息永久有效, 则会导致网络资源的浪费。 2) 双卡双待机用户主动在网络运营商处进行登记, 由运营商通过 OSS操作维护 子系统将双卡双机的相关信息录入数据库, 此信息为永久信息。
3 )双卡双待机是否向当前注册网络上报另一卡的 MSISDN码或 IMSI可由用户自 主进行决定。 通过这种方式可以有效保护用户的隐私权。 然而, 对应是否上报另一卡 的 MSISDN码或 IMSI码, 相应的在呼叫处理时的方式也是不同的, 以下将结合两个 具体实施例来进一步说明: 实施方式一 在本实施方式中主要涉及双卡双待机没有将另一 SIM卡的 MSISDN码上报至网络 数据库的情况,因此在数据库中就不存在两张 SIM的 MSISDN码的关联,如图 6所示, 包括以下步骤: 步骤 S1 : 双卡双待机中的一张 SIM卡(A卡)通过正常呼叫流程建立通话, A卡 所属网络发送含有 A卡状态信息的数据包至数据库更新双卡双待机的状态。 而另一张 SIM卡 (B卡) 对应的射频电路当时时间不工作, 无法与基站 BS进行通信, 从而导 致其处于无服务状态 (No Service)。 步骤 S2: 此时有外来用户呼叫 B卡, B卡网络侧在接收到呼叫请求后, B卡网络 侧的 MSC向 HLR/VLR发出请求 B卡位置信息的请求, HLR中存在最后一次 B卡注 册的位置信息并发送给 MSC, MSC根据此位置信息向对应的 BSC发出信令要求寻呼 B卡, 但由于 B卡对应的射频电路处于关闭状态, 则寻呼不成功, 执行步骤 S3。 如果 B卡长时间没有向 BSC上报信息, 例如未上报信息的时间超出了预先设定的时长, 则 在 HLR/VLR中就不存在 B卡的位置, 因此 MSC就不对 BSC进行寻呼, 而直接执行 步骤 S3。 步骤 S3: B卡网络的 MSC向数据库发送状态信息请求, 此请求中携带有 B卡的 MSISDN码、 和双卡机的 IMEI码。 数据库在接收到状态信息请求后, 首先在数据库 中查询与 B 卡的 MSISDN码相关联的另一 MSISDN码, 因为没有存储另一张卡的 MSISDN码, 因此返回值为空。 然后, 再进行第二次查询, 在本次查询中以双卡双待 机的 IMEI码为依据进行检索, 从而获取 A卡的状态信息, 对于来实施例来说 A卡的 状态信息为"通话中 "。数据库将 A卡的状态信息连同 IMEI码返回给 B卡网络的 MSC。 步骤 S4: B卡网络侧的 MSC在收到数据库返回的状态信息后, 根据 B卡签约服 务器中的信息来确定下一步动作。优选地, 可以根据 B卡网络能力和 B卡签约服务器 中的信息进行确定, 确定的动作可以包括但不限于以下动作之一: 挂机后以短信方式 通过 A卡网络发送至双卡机用户,语音留言通过 A卡网络发送至双卡机用户或者是呼 叫转移至 A卡等。 至此, B卡的网络侧得到了 B卡的移动终端所处的真实状态, 从而可将此信息返 回至外来呼叫方网络, 避免了以往提示" No Service"的现象, 提高了用户体验。 在通信 过程中, 对于注册流程、 鉴权流程、 呼叫建立流程或者附着流程等可以采用现有的技 术中的处理方式进行。 在本优选实施方式中, 主要特征在于数据中不存在 A卡与 B卡 MSISDN码的关 联, 需要是通双卡双待机的 IMEI码来实现状态信息的查询。 对于独立的数据库或子 数据库的区别在于, 当对应多个子数据库时, 需要遍历所有的子数据库, 以最终确定 最确实的信息。 实施方式二 在本实施方式中主要涉及双卡双待机将另一 SIM卡的 MSISDN上报至网络数据库 的情况, 因此在数据库中就会存在两张 SIM的 MSISDN码的关联。如图 7所示, 包括 以下步骤: 步骤 S1 : 双卡双待机中的一张 SIM卡(A卡)通过正常呼叫流程建立通话, A卡 所属网络发送含有 A卡状态信息及 B卡的数据包至数据库更新双卡双待机的状态。而 另一张 SIM卡 (B卡) 对应的射频电路当前时间不工作, 无法与基站 BS进行通信, 从而导致其处于无服务状态。 步骤 S2: 此时有外来用户呼叫 B卡, B卡网络侧在接收到呼叫请求后, B卡网络 侧的 MSC向 HLR/VLR发出请求 B卡位置信息的请求, HLR中存在最后一次 B卡注 册的位置信息并发送给 MSC, MSC根据此位置信息向对应的 BSC发出信令要求寻呼 B卡, 但由于 B卡对应的射频电路处于关闭状态, 则寻呼不成功, 执行步骤 S3。 如果 B卡长时间没有向 BSC上报信息, 例如未上报信息的时间超出了预先设定的时长, 则 在 HLR/VLR中就不存在 B卡的位置, 因此 MSC就不对 BSC进行寻呼, 而直接执行 步骤 S3。 步骤 S3: B卡网络的 MSC向数据库发送状态信息请求, 此请求中携带有 B卡的
MSISDN码、 A卡的 MSISDN码以及双卡机的 IMEI码。 数据库在接收到状态信息请 求之后,根据 A卡的 MSISDN码进行检索,此时会返回 A卡的状态信息。数据库将 A 卡的状态信息连同 IMEI码返回给 B卡网络的 MSC, 确定 A卡的状态信息是否为 "通 话中"。 步骤 S4: B卡网络侧的 MSC在收到数据库返回的状态信息后, 通知主叫方用户 忙保持线路。 根据 B卡签约服务器中的信息来确定下一步动作。 优选地, 可以根据 B 卡网络能力和 B卡签约服务器中的信息进行确定, 确定的动作可以包括但不限于以下 动作之一: 挂机后以短信方式通过 A卡网络发送至双卡机用户, 语音留言通过 A卡网 络发送至双卡机用户或者是呼叫转移至 A卡等。 通过上述的几种优选实施方式可以在不改变现在网络结构、 硬件不进行升级的情 况下解决双卡双待机在一方通话时另一方处于无服务的技术问题。 在另外一个实施例中, 还提供了一种软件, 该软件用于执行上述实施例及优选实 施方式中描述的技术方案。 在另外一个实施例中, 还提供了一种存储介质, 该存储介质中存储有上述软件, 该存储介质包括但不限于: 光盘、 软盘、 硬盘、 可擦写存储器等。 从以上的描述中, 可以看出, 本发明实现了如下技术效果: 在接收到对终端内的 一个通信识别卡的访问请求时, 如果不能正常接通该通信识别卡, 则可以获取该终端 内另一个通信识别卡当前的状态, 然后, 可以根据另一通信识别卡当前的状态对呼叫 请求进行处理。 通过上述方式有效解决了相关技术中由于双模双卡机中仅设置一个射 频收发芯片, 从而如果一张卡处于通信状态, 那么当其它卡被呼叫时将很容易造成呼 叫丢失的技术问题, 通过本实施例所提供的方式可以返回该终端内有处于通信状态的 卡的指示信息, 从而达到减少呼叫丢失的技术效果。 显然, 本领域的技术人员应该明白, 上述的本发明的各模块或各步骤可以用通用 的计算装置来实现, 它们可以集中在单个的计算装置上, 或者分布在多个计算装置所 组成的网络上, 可选地, 它们可以用计算装置可执行的程序代码来实现, 从而, 可以 将它们存储在存储装置中由计算装置来执行, 并且在某些情况下, 可以以不同于此处 的顺序执行所示出或描述的步骤, 或者将它们分别制作成各个集成电路模块, 或者将 它们中的多个模块或步骤制作成单个集成电路模块来实现。 这样, 本发明不限制于任 何特定的硬件和软件结合。 以上所述仅为本发明的优选实施例而已, 并不用于限制本发明, 对于本领域的技 术人员来说, 本发明可以有各种更改和变化。 凡在本发明的精神和原则之内, 所作的 任何修改、 等同替换、 改进等, 均应包含在本发明的保护范围之内。

Claims

权 利 要 求 书
1. 一种呼叫请求处理方法, 包括:
获取与第一通信识别卡位于同一终端内的第二通信识别卡的状态信息; 根据所述状态信息对呼叫请求进行处理, 其中, 所述呼叫请求用于呼叫所 述第一通信识别卡。
2. 根据权利要求 1所述的方法, 其中, 获取与第一通信识别卡位于同一终端内的 第二通信识别卡的状态信息包括- 从存储有所述状态信息的数据库获取所述第二通信识别卡的状态信息。
3. 根据权利要求 2所述的方法, 其中, 多个网络共用一个用于存储状态信息的数 据库。
4. 根据权利要求 2或 3所述的方法, 其中, 在获取与第一通信识别卡位于同一终 端内的第二通信识别卡的状态信息之前, 所述方法还包括:
当所述终端开机时, 所述终端向所述终端内的多个通信识别卡所在的多个 网络的移动交换中心 MSC发送注册信息, 其中, 所述注册信息中携带有用于 指示所述终端内的所述多个通信识别卡是位于多卡终端内的指示信息;
所述 MSC 响应于所述指示信息将所述终端的相关信息上传至所述用于存 储状态信息的数据库。
5. 根据权利要求 4所述的方法, 其中, 所述相关信息包括以下至少之一: 所述终 端的国际移动设备识别码 IMEI码、所述终端的国际用户识别码 IMSI码和所述 终端内多个通信识别卡的移动台国际 ISDN号码 MSISDN。
6. 根据权利要求 1所述的方法, 其中, 获取与第一通信识别卡位于同一终端内的 第二通信识别卡的状态信息包括- 向存储所述状态信息的数据库发送状态信息获取请求, 其中, 所述状态信 息获取请求中携带有所述第一通信识别卡的 MSISDN码;
接收所述数据库返回的与所述第一通信识别卡的 MSISDN 码存在关联关 系的 MSISDN码所对应的第二通信识别卡的状态信息。
7. 根据权利要求 6所述的方法, 其中, 在所述向存储所述状态信息的数据库发送 状态信息获取请求之后, 所述方法还包括:
如果在所述数据库内未查找到与所述第一通信识别卡的 MSISDN 码存在 关联关系的第二通信识别卡的 MSISDN码,则根据所述状态信息获取请求中携 带的所述终端的 IMEI码从所述数据库中查找与所述终端对应的不同于所述第 一通信识别卡的 MSISDN码的 MSISDN码;
接收所述数据库返回的所述不同于所述第一通信识别卡的 MSISDN码的 MSISDN码所对应的第二通信识别卡的状态信息。
8. 根据权利要求 1至 7中任一项所述的方法, 其中, 所述 MSC根据获取的所述 第二通信识别卡的状态信息对所述呼叫请求进行处理包括:
当获取到的所述第二通信识别卡的状态信息包括: 所述第二通信识别卡处 于通话状态时, 按照预定策略对所述呼叫请求进行处理。
9. 根据权利要求 8所述的方法, 其中, 所述预定策略包括以下至少之一:
在所述终端挂机后, 通过所述第二通信识别卡所在网络将所述呼叫请求发 送至所述终端;
通过所述第二通信识别卡所在网络以短信方式将所述呼叫请求发送至所述 终端;
通过所述第二通信识别卡所在网络以语音留言方式将所述呼叫请求发送至 所述终端; 或者
将所述呼叫请求呼叫转移至所述第二通信识别卡。
10. 根据权利要求 1至 9中任一项所述的方法, 其中, 获取与第一通信识别卡位于 同一终端内的第二通信识别卡的状态信息包括- 接收所述呼叫请求;
判断所述第一通信识别卡所在网络的 MSC是否在预定时间内未接收到所 述第一通信识别卡上报的自身的位置信息;
如果是, 则所述 MSC获取与第一通信识别卡位于同一终端内的第二通信 识别卡的状态信息。
11. 一种呼叫请求处理装置, 包括: 获取单元, 设置为获取与第一通信识别卡位于同一终端内的第二通信识别 卡的状态信息;
处理单元, 设置为根据所述状态信息对呼叫请求进行处理, 其中, 所述呼 叫请求用于呼叫所述第一通信识别卡。
12. 根据权利要求 11所述的装置,其中,所述获取单元设置为从存储有所述状态信 息的数据库获取所述第二通信识别卡的状态信息。
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