WO2010088819A1 - Procédé et système de réalisation de rappel - Google Patents

Procédé et système de réalisation de rappel Download PDF

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Publication number
WO2010088819A1
WO2010088819A1 PCT/CN2009/073739 CN2009073739W WO2010088819A1 WO 2010088819 A1 WO2010088819 A1 WO 2010088819A1 CN 2009073739 W CN2009073739 W CN 2009073739W WO 2010088819 A1 WO2010088819 A1 WO 2010088819A1
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WO
WIPO (PCT)
Prior art keywords
terminal
service
message
call
ussd
Prior art date
Application number
PCT/CN2009/073739
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English (en)
Chinese (zh)
Inventor
周旭强
秦延涛
孙祥新
Original Assignee
中兴通讯股份有限公司
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Publication of WO2010088819A1 publication Critical patent/WO2010088819A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/80—Rating or billing plans; Tariff determination aspects
    • H04M15/8038—Roaming or handoff
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/80—Rating or billing plans; Tariff determination aspects
    • H04M15/8083—Rating or billing plans; Tariff determination aspects involving reduced rates or discounts, e.g. time-of-day reductions or volume discounts
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/42195—Arrangements for calling back a calling subscriber
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/42382—Text-based messaging services in telephone networks such as PSTN/ISDN, e.g. User-to-User Signalling or Short Message Service for fixed networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/24—Accounting or billing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2203/00—Aspects of automatic or semi-automatic exchanges
    • H04M2203/65—Aspects of automatic or semi-automatic exchanges related to applications where calls are combined with other types of communication
    • H04M2203/652—Call initiation triggered by text message
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2207/00—Type of exchange or network, i.e. telephonic medium, in which the telephonic communication takes place
    • H04M2207/18—Type of exchange or network, i.e. telephonic medium, in which the telephonic communication takes place wireless networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2215/00—Metering arrangements; Time controlling arrangements; Time indicating arrangements
    • H04M2215/01—Details of billing arrangements
    • H04M2215/0184—Details of billing arrangements involving reduced rates or discounts, e.g. time-of-day reductions, volume discounts, cell discounts, group billing, frequent calling destination(s) or user history list
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2215/00—Metering arrangements; Time controlling arrangements; Time indicating arrangements
    • H04M2215/20—Technology dependant metering
    • H04M2215/2026—Wireless network, e.g. GSM, PCS, TACS
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2215/00—Metering arrangements; Time controlling arrangements; Time indicating arrangements
    • H04M2215/74—Rating aspects, e.g. rating parameters or tariff determination apects
    • H04M2215/7442—Roaming
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/16—Communication-related supplementary services, e.g. call-transfer or call-hold

Definitions

  • the present invention relates to the field of communications, and in particular, to a callback implementation method and system.
  • BACKGROUND With the development of communication technologies and the interconnection of international communication networks, mobile phones can roam to more and more countries for use, thereby facilitating communication in daily life and travel.
  • the communication tariff standards vary from country to country, and there are even large differences. Therefore, it is difficult to calculate the cost of the call when conducting international roaming (especially when roaming from a country with a low tariff standard to a country with a high tariff). And because the roaming rate is too high, the cost of the call initiated by the roaming user is too expensive.
  • the user can send a callback request to the Service Control Point (SCP), and the SCP notifies the service switching point (Service Switching Point).
  • SCP Service Control Point
  • Service Switching Point Service Switching Point
  • the user is connected to the user; when the user is successfully connected, the SCP stores the call record, and the associated user starts the call; after the call ends, the SCP determines whether the user is The user who is the first to call, if yes, finds and reads the call record associated with the user, adjusts the duration of the user's call according to the read call record; otherwise, determines the duration of the user's call as its actual call duration.
  • the scheme can determine the call duration of the callback service, and by adding a prefix code to the calling number, the SCP can recognize the other callback request, and record the connection between the two parties when the two parties start the call. After the end, the call duration of the user who first called is adjusted, so that accurate timing can be achieved, and the basis for flexible charging can be laid. After adopting this scheme, although the purpose of accurate timing can be achieved, the problem that the calling user cannot initiate a call due to different protocols adopted by different networks cannot be solved. Therefore, it can be seen that the problem that the calling user cannot initiate a call due to different protocols adopted by different networks has not yet proposed an effective solution.
  • a callback implementation method for implementing a call of a first terminal to a second terminal in a case where the first terminal is in a roaming state.
  • the callback implementation method according to the present invention includes: after the first terminal triggers the unstructured supplementary service data service USSD service, the core network of the roaming place of the first terminal sends the USSD request message sent by the first terminal to the home of the first terminal.
  • the home location register of the ground is routed to the service control point of the home location, and the callback service of the service control point is triggered, wherein the USSD request message carries the number of the second terminal; the service control point sends the predetermined message notification service to the service switching point.
  • the switching point performs a call; the service switching point calls the first terminal and the second terminal to implement a call between the first terminal and the second terminal.
  • the processing of the core network routing the USSD request message to the service control point via the home location register may include: after receiving the USSD request message from the core network in the home location register, according to the access code to the USSD request message in the USSD request message The processing is performed to obtain the address of the service control point, and the processed USSD message is sent to the service control point.
  • the method may further include: the service control point sending an SRI SM message to the home location register, where the SRI_SM message is used to request to obtain the network address of the visited location register of the roaming place; Point receiving from the home location register The response message of the SRI SM message, thereby obtaining the network address of the visited location register.
  • the process of the service switching point calling the first terminal and the second terminal may include: the service switching point calls the first terminal, and after the first terminal answers, the service switching point sends the first terminal response event to the service control point;
  • the service control point notifies the service switching point to call the second terminal, and the service switching point calls the second terminal; after the second terminal answers, the service switching point sends the second terminal response event to the service control point.
  • the service control point may notify the service switching point to call the second terminal by sending a request basic call state model event report message and a connection message to the service switching point, where the connection message carries the number of the second terminal.
  • the USSD service is actively terminated, or the USSD service itself ends itself.
  • the predetermined message may include the following: a call attempt message, a request basic call state model event report message, a request charging message, and a continuation message, where the start attempt message carries the number of the first terminal for service
  • the switching point calls the first terminal.
  • a callback implementation system for implementing a call of a first terminal to a second terminal in a case where the first terminal is in a roaming state.
  • the callback implementation system according to the present invention includes a service control point and a service switching point.
  • the service control point includes: a receiving module, configured to receive a USSD request message sent by the first terminal after the first terminal triggers the USSD service, where the USSD request message is sent by the core network of the roaming terminal of the first terminal to the first terminal
  • the home location register of the home is routed to the service control point, and the USSD request message carries the number of the second terminal
  • the triggering module is configured to trigger the callback service
  • the sending module is configured to send the predetermined message notification service to the service switching point.
  • the switching point performs a call.
  • the service switching point includes: a calling module, configured to call the first terminal and the second terminal in response to the notification of the sending module, so as to implement a call between the first terminal and the second terminal.
  • the calling module is configured to use the first terminal as the called terminal and call the first terminal in response to the predetermined message; and, after the first terminal answers, convert the first terminal to the calling terminal in response to the notification of the sending module. Make a call to the second terminal.
  • the predetermined message includes the following message: Start the call message, request the basic call ⁇ ! The dog mode event 4 report message, the application charging message, and the continuation message, wherein the initiation call message carries the number of the first terminal, so that the service switching point calls the first terminal.
  • the callback service on the SCP is triggered by the unroken supplementary data service message sent by the international roaming user, and the call is completed under the service control, and the subscription service of the user is not supported on the roaming network.
  • the corresponding communication protocol causes the problem that the calling party cannot be called.
  • the charging rate is the service rate of the user's domestic carrier, the charging can be made more reasonable, and the charging in the related technology is avoided.
  • the rate selection method is uncertain; the present invention also has the advantage that it is easy to implement and does not require modification of existing network equipment.
  • FIG. 1 is a flow chart showing a method for implementing a callback according to an embodiment of the method of the present invention
  • FIG. 2 is a schematic diagram showing a process for implementing a callback according to an embodiment of the method of the present invention
  • FIG. 4 is a block diagram of a callback implementation system in accordance with an embodiment of the present invention
  • FIG. 5 is a block diagram of a system for implementing a callback according to an embodiment of the present invention
  • FIG. A schematic diagram of the connection between the callback implementation system and the core network.
  • the calling terminal is in a roaming state (the protocol used by the roaming place and the home place is different, for example, international roaming), the call cannot be initiated as a calling party, and the call charging is unreasonable.
  • the embodiment of the present invention proposes that in a Global System for Mobile communication (GSM) network, an international roaming user sends an unstructured Supplementary Service Data (Unstructured Supplementary Service Data), which is called a USSD message.
  • GSM Global System for Mobile communication
  • USSD message unstructured Supplementary Service Data
  • the USSD message (the number carrying the called terminal) is initiated by the terminal, sent to the SCP via the roaming network and the HLR, and then the SCP issues a call command, and the voice circuit is initiated from the terminal country when the call is made, and the roaming network only
  • the Integrated Service Digital Network User Part (ISUP) or the Telephone User Part (TUP) signaling is required to process USSD messages and ordinary voice calls.
  • ISUP Integrated Service Digital Network User Part
  • TUP Telephone User Part
  • any GSM mobile network ⁇ P will support the Mobile Application Part (also called MAP) (also known as Mobile User Part) protocol and ISUP/TUP protocol, because USSD is standard MAP signaling, it is easy to use.
  • MAP Mobile Application Part
  • ISUP/TUP ISUP/TUP protocol
  • a callback implementation method for implementing a call of a first terminal to a second terminal in a case where the first terminal is in a roaming state.
  • 1 is a flowchart of a callback implementation method according to an embodiment of the method of the present invention. As shown in FIG.
  • the method in the embodiment of the present invention includes a step S102, a step S104, and a step S106: Step S102, at the first After the terminal triggers the USSD service, the core network of the roaming terminal of the first terminal routes the USSD request message sent by the first terminal to the SCP of the home location through the HLR of the home location of the first terminal, and triggers the callback service of the SCP, where The USSD request message carries the number of the second terminal.
  • the SCP sends a predetermined message to the SSP to notify the SSP to make a call.
  • step S106 the SSP calls the first terminal and the second terminal to implement a call between the first terminal and the second terminal.
  • the process of the core network routing the USSD request message to the SCP via the HLR may include: after the HLR receives the USSD request message from the core network, according to the USSD request message.
  • the access code processes the USSD request message, obtains the address of the SCP, and sends the processed USSD message to the SCP.
  • the SCP may send an SRI SM (SendRoutinglnfoForSM) message to the HLR, and the SRI_SM message is used to request to obtain the network address of the Visited Location Register (VLR) of the roaming place.
  • the SCP receives the network address of the VLR from the HLR, which preferably can be carried in the SRI-SM response message.
  • the processing of the SSP to the first terminal and the second terminal may include: the SSP calls the first terminal, and after the first terminal answers, the SSP reports the first terminal response event to the SCP; the SCP notifies the SSP to call the second terminal, And the SSP calls the second terminal; after the second terminal answers, the SSP sends the second terminal response event to the SCP.
  • the SCP may notify the SSP to call the second terminal by sending a request basic call state model event report message and a connection message to the SSP, where the connection message carries the number of the second terminal.
  • the foregoing predetermined message may include the following messages: Initiate Call Attempt (IC) message, Request Basic Call State Model Event Report (RequestReportBCSMEvents, Cartridge called RRBE) message, and application charging (AppCharging, the cylinder is called AC)
  • IC Initiate Call Attempt
  • RequestReportBCSMEvents Request Basic Call State Model Event Report
  • RRBE Cartridge called RRBE
  • AC application charging
  • the message and the continuation (Continuation, CUE) message for indicating the connection
  • the ICA message carries the number of the first terminal for the SSP to call the first terminal.
  • FIG. 2 is a schematic diagram of processing of a callback implementation method according to an embodiment of the method of the present invention, showing a schematic diagram of execution of the above processing. As shown in FIG.
  • the terminal A (the calling terminal, that is, the first terminal described above) issues a USSD request message (carrying the number of the called terminal (ie, the second terminal)) to the core network of the roaming place ( Not shown), the request message is routed to the HLR to which the terminal belongs via the roaming network, and the HLR sends a USSD message to the SCP to trigger the callback service on the SCP; the callback service sends a call command to the SSP, and the SSP returns the terminal A.
  • the SSP calls the terminal B again (calls through the Mobile Switch Center (MSC) VLR and the Base Transceiver Station (BTS)) to implement the terminal A.
  • MSC Mobile Switch Center
  • BTS Base Transceiver Station
  • FIG. 3 is a signaling flow diagram of a detailed processing procedure of a callback implementation method in accordance with an embodiment of the method of the present invention. As shown in FIG. 3, the following may specifically include the following steps: (1) The mobile terminal A initiates a USSD request message (which carries the number of the called terminal B), and the roaming core network routes the request message to the terminal home HLR;
  • the USSD request message is sent to the SCP, and the callback service on the SCP is triggered; ((1) and (2) correspond to step S102) (3) the callback service delivers the SRI SM request to the HLR, and acquires the terminal.
  • the HLR returns a SRI SM Res (SRI SM response) message to the SCP;
  • the callback service (callback service on the SCP) returns USSD_Res (response to the USSD request message) to the HLR; (6) the callback service (callback service on the SCP) initiates ICA, RRBE, AC, and SSP to the SSP.
  • the called number in ICA is the number of terminal A; ((6) corresponds to step S104)
  • the SSP After the terminal A answers the call, the SSP answers the ERB (EventReportBCSM) event to the SCP. (9) After receiving the response event of the terminal A, the SCP service sends the RRBE and CON to the SSP.
  • ERB EventReportBCSM
  • the terminal B responds, the SSP sends an ERB event to the terminal B of the SCP, and the terminal A and the terminal B enter the call state.
  • ((7) to (11) correspond to step S106.)
  • the SSP needs to convert the terminal A from the called role to the calling role, that is, logically, the subsequent process Corresponding to the terminal A calling the terminal B, it is necessary to have the function of performing the above-described call conversion processing when implementing the above method.
  • the implementation process of the callback service described above may be composed of two services loaded on the SCP, which are respectively called USSD service and call service.
  • the USSD service is responsible for triggering the terminal callback request, obtaining the terminal number and the called number, obtaining the VLR address where the terminal roaming, and invoking the call service and transmitting the required parameters to the call service; the call service is responsible for issuing the call instruction.
  • the USSD service can be terminated after the call service is invoked (the USSD service itself can also end itself) to save the SCP conversation resources.
  • the mobile terminal A inputs a USSD request through a terminal (which may be a mobile terminal), and the format is: * access code * called number #, where the access code is The USSD service logical access code, different access codes can correspond to different USSD service logics.
  • the USSD service delivers the SRI-SM message to the HLR. Because the terminal initiates the USSD request, the VLR that the roaming station needs to exchange messages with the HLR, that is, the HLR must have updated the VLR address information of the terminal, so the HLR The VLR address (NetworkNode_Number parameter) carried in the SRI_SM_Res message returned after receiving the SRI SM message is accurate and valid.
  • the USSD service determines whether to allow callback according to the VLR address (if the VLR address is in the blacklist, it prohibits the callback) and uses different callback rates according to the VLR's address.
  • the USSD service returns the HLR to the USSD-Res and invokes the call service, and passes the obtained number, rate, and other parameters to the call service, and then ends the operation itself.
  • Call service (corresponding to steps (6) to (11) above): After the call service is triggered, the SCP will generate a new session, in which the service will deliver the ICA/RRBE/AC/CUE message (ie The predetermined message mentioned above can be sent to the SSP by means of a Begin dialog multi-component, thereby reducing the signaling load.
  • the SSP connects the terminal A according to the terminal number carried in the ICA. After the terminal A rings and responds, the service sends the RRBE/CON message again.
  • the SSP converts the information of the terminal A from the called party to the calling party, and then the CON is called CON.
  • the terminal number carried in the message is connected to the called terminal B. This is equivalent to terminal A calling terminal B.
  • terminal B picks up the phone and answers, terminal A and terminal B enter a normal call state.
  • the call service can configure the management data to determine whether the terminal A response or the terminal B response is the charging start time point. Specifically, the operator can select and decide according to the market feedback, thereby making the charging more reasonable.
  • the problem that the user cannot make a call when the roaming network does not support the communication protocol corresponding to the user subscription service can be solved; because in the above processing, the voice circuit is initiated from the user (home country), and the rate is the national The operator's service rate, therefore, can guarantee the reasonableness of the billing (calling charges);
  • the callback service replaces the usually used query with the SRI-SM message ( AnyTimelnterrogation, the tube is called ATI)
  • the message is used to obtain the address of the user roaming network node, and the user information (ProvideSubscriberlnfomation, called PSI) message interaction between the HLR and the VLR is omitted while satisfying the application requirement.
  • PSI PublicSubscriberlnfomation
  • a callback implementation system for implementing a call of a first terminal to a second terminal in a case where the first terminal is in a roaming state.
  • 4 is a block diagram of a callback implementation system in accordance with an embodiment of the present invention. As shown in FIG. 4, the callback implementation system includes SCP 1 and SSP 2. Specifically, the specific structures of SCP 1 and SSP 2 in FIG. 4 are as follows:
  • the SCP 1 includes: a receiving module 12, configured to receive a USSD request message sent by the first terminal after the first terminal triggers the USSD service, where the USSD request message is sent by the core network of the first terminal to the home network of the first terminal
  • the HLR is routed to the SCP, and the USSD request message carries the number of the second terminal
  • the triggering module 14 is configured to trigger the callback service
  • the sending module 16 is configured to send the predetermined message to the SSP to perform the call by using the SSP;
  • the SSP 2 includes: a calling module 22, configured to call the first terminal and the second terminal in response to the notification of the sending module, thereby implementing a call between the first terminal and the second terminal.
  • the foregoing predetermined message may include the following messages: an ICA message, an RRBE message, an AC message, and a CUE message, where the ICA message carries the number of the first terminal, so that the SSP calls the first terminal.
  • the calling module 22 may, in response to the predetermined message, use the first terminal as the called terminal and call the first terminal, that is, the first terminal as the called party; and, after the first terminal answers, respond to the sending module 16
  • the notification converts the first terminal to the calling terminal to make a call to the second terminal.
  • the call is initiated by the calling module 22, but the call of the first terminal to the second terminal is realized by the conversion of the calling role of the first terminal.
  • the SCP callback service
  • the message interaction correspondingly, the VLR does not need to page the user, thereby saving network resources, improving the service response speed, and avoiding the problem that the user call is interrupted due to the long waiting time.
  • 5 is a schematic diagram of a connection between a callback implementation system and a core network according to an embodiment of the system of the present invention, As shown in FIG.
  • the system is composed of an SCP and an SSP
  • the SCP is composed of a Signal Interface Unit (SIU) and a service processor.
  • the service processor is used to run the business logic, and the service processing is performed.
  • the machine is connected to the SIU via Transmission Control Protocol/Internet Protocol (TCP/IP).
  • TCP/IP Transmission Control Protocol/Internet Protocol
  • Both the SCP and the SSP access the core network using the standard SS7 signaling interface.
  • the solid line in the figure indicates the voice channel relay, and the dotted line indicates the signaling link.
  • the call back service on the SCP is triggered by the unroken supplementary data service message sent by the international roaming user, and the call is completed under the service control, and the roaming network is solved on the one hand.
  • the communication protocol corresponding to the user's contracted service is not supported, and the problem of the calling party cannot be performed.
  • the billing rate is the service rate of the user's home operator, (the calling fee is higher than that of the international roaming)
  • the user can save the call charge, avoid the problem that the billing is unreasonable in the related art, and the rate selection method is uncertain; in addition, the implementation of the present invention does not need to modify the existing network equipment and implement The single order also satisfies people's needs for different types of communication services, and enriches the types of operators' services, and has a good market prospect.
  • 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 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 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)
  • Business, Economics & Management (AREA)
  • Accounting & Taxation (AREA)
  • Telephonic Communication Services (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

La présente invention concerne un procédé et un système de réalisation de rappel. Le procédé comprend les étapes consistant : après qu'un premier terminal a déclenché un service USSD (« Unstructured Supplementary Service Data »), à acheminer un message de demande USSD envoyé par le premier terminal au point de contrôle de service de la localisation nominale par le réseau d'infrastructure de la localisation d'itinérance du premier terminal par l'intermédiaire d'un registre de localisation nominale de la localisation nominale du premier terminal, et à déclencher le service de rappel du point de contrôle de service, le message de demande USSD portant le numéro d'un second terminal; à envoyer un message prédéterminé à un point de commutation de service par l'intermédiaire du point de contrôle de service pour informer le point de commutation de service qu'il faut réaliser un appel; à appeler le premier terminal et le second terminal par l'intermédiaire du point de commutation de service, et à réaliser la conversation entre le premier terminal et le second terminal. En appliquant la présente invention, un appel peut être accompli sous le contrôle de service au cours de l'itinérance de l'utilisateur, une facturation peut être plus raisonnable, et les problèmes de facturation déraisonnable et de l'indétermination de la manière dont le tarif est sélectionné dans l'art connexe sont évités.
PCT/CN2009/073739 2009-02-06 2009-09-03 Procédé et système de réalisation de rappel WO2010088819A1 (fr)

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CN101483851B (zh) * 2009-02-06 2012-07-04 中兴通讯股份有限公司 回呼实现方法和系统
CN101848447B (zh) * 2010-05-24 2013-11-06 华为终端有限公司 通信过程中的呼叫处理方法和装置
CN102572742B (zh) * 2010-12-08 2015-10-21 中兴通讯股份有限公司 呼叫处理方法、系统和智能网平台
WO2011103830A2 (fr) * 2011-04-18 2011-09-01 华为技术有限公司 Procédé de connexion d'appel, dispositif et système connexes
CN102387263B (zh) * 2011-11-08 2014-03-12 中兴通讯股份有限公司 一种以被叫身份通话的记帐卡业务呼叫方法和系统、as
CN104010098B (zh) * 2014-05-22 2017-04-19 曹茗 一种以回拨方式留言的处理方法及终端
CN104602305A (zh) * 2014-12-24 2015-05-06 深圳市金立通信设备有限公司 一种通话状态切换方法

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