WO2012106858A1

WO2012106858A1 - Method and device for executing telephone service on a double-network double-standby terminal

Info

Publication number: WO2012106858A1
Application number: PCT/CN2011/075509
Authority: WO
Inventors: 甘惠亮; 周昊
Original assignee: 中兴通讯股份有限公司
Priority date: 2011-02-10
Filing date: 2011-06-09
Publication date: 2012-08-16
Also published as: CN102083030A

Abstract

A method and device for executing telephone service on a double-network double-standby terminal is provided. The double-network double-standby terminal includes an application subsystem (1), a 3rd generation (3G) wireless communication subsystem (3), a 2nd generation (2G) wireless communication subsystem (2) and an identification module (4) where an identification card is inserted into. When a user of the double-network double-standby terminal uses a voice telephone service, the application subsystem (1) selects the 2G wireless communication subsystem (2), the 2G wireless communication subsystem (2) uses the information in the identification card, and the voice telephone service is executed through a 2G network. When the user of the double-network double-standby terminal uses a video telephone service, the application subsystem (1) selects the 3G wireless communication subsystem (3), the 3G wireless communication subsystem (3) uses the information in the identification card, and the video telephone service is executed through a 3G network. By applying the invention, concurrence of a voice telephone and a video telephone can be realized in a single-card single-number double-network double-standby condition.

Description

Method and device for conducting telephone service by dual network dual standby terminal

Technical field

The present invention relates to the field of mobile communications, and in particular, to a method and apparatus for performing a telephone service by a dual network dual standby terminal. Background technique

With the gradual development of the 3G network construction of the third-generation mobile communication technology in China, the three major mobile communication operators have officially entered the 3G era. However, due to the current level of 3G network construction and the next period of development, the coverage level of 3G networks has been optimized and improved for more than a decade. The second generation mobile communication technology 2G network, regardless of the breadth of coverage (2G network covers almost all of China's natural villages) or the depth of coverage (such as indoors, basements, subways, etc.), there is a big gap, so major operators also agree to long-term coexistence of 2G and 3G dual networks as their own Operational goals and strategies. China Mobile has proposed the "three-non-principle of not changing cards, not changing numbers, and not requiring registration" and TD-SCDMA (Time Division-Synchronous Code Division Multiple Access) / GSM (Global) System of Mobile communication, a dual-mode single-standby custom mobile terminal to promote and operate its own TD-SCDMA 3G network.

However, the strategy of "2, 3G network coexistence" and "TD-SCDMA/GSM dual-mode single-standby terminal customization" has encountered difficulties in actual operation. On the one hand, due to the existing "2, 3G dual-mode switching" strategy, mobile terminal re-selection is frequent, power consumption is serious, call drop, Internet disconnection, and even off-network abnormal faults occur, and the user experience is poor. On the other hand, because the existing 3G network coverage quality is far less than the GSM network, the user's confidence in the TD-SCDMA network is insufficient. The problem of the network has led to the dilemma of the terminal, and the dilemma of the terminal has in turn amplified the problem of the network. Summary of the invention

For the TD-SCDMA network, the bandwidth is large, suitable for data services, 2G network optimization work is accumulated, and the 2G service supports good features such as voice, resulting in the use of 2G, 3G dual network dual on the terminal side. Technology to implement PS (packet), CS (circuit) service offload (dual modem architecture). Videophone is one of the representatives of 3G communication and is constantly being accepted by users. However, there are still limitations in the application of video telephony: video telephony and traditional voice telephony belong to the same CS domain. Concurrency is realized, that is, the user cannot simultaneously connect the voice call and the video call at the same time, which brings inconvenience to daily work and life.

The technical problem to be solved by the present invention is to overcome the above-mentioned deficiencies of the prior art, and to provide a method and device for performing a telephone service by a dual-network dual-standby terminal, so as to solve the problem of how a terminal of a single card number realizes concurrent videophone and voice call. .

In order to solve the above problem, the present invention provides a dual network dual standby terminal for performing a telephone service, wherein the dual network dual standby terminal includes an application subsystem, a 3G wireless communication subsystem, a 2G wireless communication subsystem, and an identity. An identification module, wherein the identity identification module is inserted with an identity identification card, where the identity identification card stores information for identity authentication of the 2G network and the 3G network, and the method includes:

When the user of the dual-network dual standby terminal uses the voice telephone service, the application subsystem selects a 2G wireless communication subsystem, and the 2G wireless communication subsystem uses the information in the identity identification card to perform voice through the 2G network. Telephone service;

When the user of the dual-network dual standby terminal uses the video telephony service, the application subsystem selects a 3G wireless communication subsystem, and the 3G wireless communication subsystem uses the information in the identification card to perform video through the 3G network. Telephone business.

Preferably, the above method has the following characteristics:

When the user of the dual-network dual standby terminal uses the voice telephone service, if there is a video call incoming, and the user chooses to suspend the voice telephone service, and the video telephone service is performed, the application subsystem will The voice telephone service is suspended, and the 3G wireless communication subsystem is selected to perform video telephony services through the 3G network;

When the user of the dual-network dual standby terminal uses the voice telephone service, if the videophone calls in, and the user selects the voice telephone service and the video telephone service simultaneously, the application subsystem selects the 3G wireless communication subsystem. The video telephony service is performed through the 3G network, and at the same time, the 2G wireless communication subsystem performs the voice telephony service through the 2G network. Preferably, the above method has the following characteristics:

When the user of the dual-network dual-standby terminal uses the video telephony service, if there is a voice call, and the user chooses to suspend the video telephony service and performs a voice telephony service, the application subsystem will The video telephony service hangs, and the 2G wireless communication subsystem is selected to conduct voice telephony services through the 2G network;

When the user of the dual-network dual standby terminal uses the video telephony service, if there is a voice call incoming, and the user selects both the voice telephony service and the video telephony service, the application subsystem selects the 2G wireless communication subsystem. The voice telephone service is performed through the 2G network, and at the same time, the 3G wireless communication subsystem performs voice telephone service through the 3G network.

Preferably, the above method has the following characteristics:

When the 3G wireless communication subsystem performs video telephony service through the 3G network, and the 2G wireless communication subsystem performs voice telephony service through the 2G network, the application subsystem selects one of the video telephony service and the voice telephony service. The business uses an external microphone and headset to talk, and another phone service uses a built-in microphone and speaker to talk.

Preferably, the above method has the following characteristics:

When the 3G wireless communication subsystem performs video telephony service through the 3G network, if the 3G wireless communication subsystem determines that the signal strength of the current 3G network cannot bear the video telephony service, the application subsystem will The video telephony service is switched to a voice telephony service, which is carried by the 2G wireless communication subsystem through a 2G network.

In order to solve the above problems, the present invention provides a device for performing a telephone service by a dual-network dual standby terminal, including an application subsystem, a 3G wireless communication subsystem, a 2G wireless communication subsystem, and an identity recognition module, where the application subsystems respectively The 3G wireless communication subsystem is connected to the 2G wireless communication subsystem, and the identity recognition module is respectively connected to the 3G wireless communication subsystem and the 2G wireless communication subsystem or to the 3G wireless communication subsystem and the 2G wireless communication subsystem. One of the connections;

An identity identification card is inserted in the identity recognition module, and the identity identification card stores information for identity authentication of the 2G network and the 3G network;

The application subsystem is configured to select a 2G wireless communication subsystem when a user of the dual network dual standby terminal uses a voice telephone service, and when the user of the dual network dual standby terminal uses a video telephone industry Choosing a 3G wireless communication subsystem;

The 2G wireless communication subsystem is configured to use the information in the identity identification card to perform voice over a 2G network when the identity recognition module is connected to the 2G wireless communication subsystem according to the selection of the application subsystem. Telephone service;

The 3G wireless communication subsystem is configured to use information in the identification card according to the selection of the application subsystem, and when the identity recognition module is connected to the 3G wireless communication subsystem, perform video through a 3G network. Telephone business.

Preferably, the above device has the following features:

The application subsystem is configured to: when the user of the dual-network dual standby terminal uses the voice telephone service, if there is a video call incoming, and the user chooses to suspend the voice telephone service, and the video telephone service is performed, The voice telephone service is suspended, and the 3G wireless communication subsystem is selected to perform a video telephone service through the 3G network; when the user of the dual network dual standby terminal uses the voice telephone service, if a video call is made, the user selects At the same time, the voice telephone service and the video telephone service are carried out, and the 3G wireless communication subsystem is selected to perform the video telephone service through the 3G network, and at the same time, the 2G wireless communication subsystem performs the voice telephone service through the 2G network.

Preferably, the above device has the following features:

The application subsystem is configured to: when the user of the dual-network dual standby terminal uses the video telephony service, if there is a voice call incoming, and the user chooses to suspend the video telephony service and performs a voice telephony service, The video telephone service is suspended, and the 2G wireless communication subsystem is selected to perform voice telephone service through the 2G network; when the user of the dual network dual standby terminal uses the video telephone service, if there is a voice call, the user selects At the same time, the voice telephone service and the video telephone service are carried out, and the 2G wireless communication subsystem is selected to perform voice telephone service through the 2G network, and at the same time, the 3G wireless communication subsystem performs voice telephone service through the 3G network.

Preferably, the above device has the following features:

The application subsystem is configured to: when the 3G wireless communication subsystem performs video telephony service through the 3G network, and when the 2G wireless communication subsystem performs voice telephony service through the 2G network, select one of the video telephony service and the voice telephony service. The telephone service uses an external microphone and earphone to make a call, and the other telephone service uses a built-in microphone and speaker to make a call. Preferably, the above device has the following features:

The application subsystem is configured to: when the 3G wireless communication subsystem performs a video telephony service over the 3G network, if the 3G wireless communication subsystem determines that the signal strength of the current 3G network cannot carry the video telephony service, The video telephone service is switched to a voice telephone service.

By using the invention, in the case of single card single-number dual-network dual standby, the concurrency of the voice telephone and the video telephone can be realized, and the effect is that the user can freely switch between the two telephones, even reaching two users. At the same time, one person will make a voice call through an external microphone and headphones, and another person will use the built-in microphone and speaker to make the effect of the video call. It has improved the use experience of end users and also promoted the development of TD-SCDMA networks.

BRIEF abstract

1 is a schematic diagram of an apparatus for performing a telephone service by a dual-network dual-standby terminal according to an embodiment of the present invention; FIG. 2 is a dual-mode dual-network dual-standby of a dual-mode architecture with dual modem architectures designed according to an embodiment of the present invention; a functional module diagram of the scheme for conducting a telephone service;

FIG. 3 is a functional block diagram of a single-card single-number dual-network dual-standby scheme for a dual-mode dual-mode dual-network dual-standby scheme in which a dual-mode architecture of a dual-mode architecture is used in the application subsystem of the GSM wireless communication subsystem according to an embodiment of the present invention; FIG.

4 is a functional block diagram of a single-card single-number dual-network dual-standby scheme for performing a telephone service in a dual-mode dual-mode architecture with a dual-mode architecture of the TD-SCDMA wireless communication subsystem;

FIG. 5 is a data flow diagram of a video telephone and a voice telephone concurrently according to an embodiment of the present invention (taking an application subsystem independent CPU as an example). Preferred embodiment of the invention

The basic idea of the present invention is that for a dual-network dual-standby single-card single-number terminal, a 2G wireless communication subsystem carries a voice call, a 3G wireless communication subsystem carries a CS-domain video call, and two-way telephones are respectively paged from a 2G network. It is delivered with the 3G network and does not interfere with each other, so concurrency can be achieved. As shown in FIG. 1 , the dual-network dual standby terminal of the embodiment of the present invention includes an application subsystem, a 3G wireless communication subsystem, a 2G wireless communication subsystem, and an identity recognition module, wherein the identity recognition module has an identification card inserted therein ( U) SIM card), the identification card stores information for identity authentication of the 2G network and the 3G network; the application subsystem is connected to the 3G wireless communication subsystem and the 2G wireless communication subsystem, and the identity recognition The module may be connected to the 3G wireless communication subsystem and the 2G wireless communication subsystem, or may be connected to one of the 3G wireless communication subsystem and the 2G wireless communication subsystem;

The following is a further description of the various situations in which the telephone service is used:

First, use voice telephone service:

When the user of the dual-network dual-standby terminal uses the voice telephone service, if there is a video call, the user can select: 1. reject the call; 2. suspend the voice call service and perform a video call service; 3. simultaneously make a voice call. Business and video telephony services.

When the voice telephone service is selected to be suspended and the video telephone service is performed, the application subsystem suspends the voice telephone service, and selects the 3G wireless communication subsystem to perform video telephone service through the 3G network.

When the voice telephone service and the video telephone service are selected simultaneously, the application subsystem selects the 3G wireless communication subsystem to perform video telephone service through the 3G network, and at the same time, the 2G wireless communication subsystem performs voice telephone service through the 2G network. At this time, the application subsystem can select one of the video telephony service and the voice telephony service to use an external microphone and earphone for communication, and the other telephone service uses the built-in microphone and speaker to make a call.

Second, the use of video telephony services:

When the user of the dual-network dual standby terminal uses the video telephone service, if there is a voice call, The user can choose: 1. reject the call; 2. suspend the video telephony service and conduct voice telephony service; 3. simultaneously perform voice telephony service and video telephony service.

When the video telephony service is selected to be suspended, the application sub-system suspends the video telephony service, and selects the 2G wireless communication subsystem to perform voice telephony services through the 2G network. At this time, you can block the video part, such as turning off the camera, or displaying a specially set video waiting screen to the opposite end of the video phone. Of course, you can also keep the video part without shielding.

When the voice telephone service and the video telephone service are selected simultaneously, the application subsystem selects the 2G wireless communication subsystem to perform voice telephone service through the 2G network, and at the same time, the 3G wireless communication subsystem performs voice telephone service through the 3G network. At this time, the application subsystem can select one of the video telephony service and the voice telephony service to use an external microphone and earphone for communication, and the other telephone service uses the built-in microphone and speaker to make a call.

In addition, when the 3G wireless communication subsystem performs video telephony service through the 3G network, if the 3G wireless communication subsystem determines that the signal strength of the current 3G network cannot bear the video telephony service, the application subsystem will The video telephony service is switched to a voice telephony service, and the service is carried by the 2G wireless communication subsystem through a 2G network.

The above 3G network may be a TD-SCDMA network, a WCDMA (Wideband Code Division Multiple Access) network, or a CDMA2000 network, and the 2G network may be a GSM network, a CDMA (Code Division Multiple Access) network, or the like. In the embodiments and application examples of the present invention, the 3G network is mainly used as the TD-SCDMA network, and the 2G network is described as the GSM network, but is not limited thereto, and other types of 3G networks and 2G networks are also applicable to the present invention.

This embodiment belongs to the dual-network dual-standby single-card single-number scheme of the dual-modem architecture, that is, only one (U)SIM card is used to implement 2G, 3G dual-network dual standby and service offload. The "dual Modem" refers to the wireless communication subsystem responsible for interacting with the 3G network and the wireless communication subsystem responsible for interacting with the 2G network. The hardware architecture is based on independent CPUs. Regarding the application subsystem, in the present invention, either the hardware architecture mode of the independent processor or the Modem side with sufficient CPU processing capability can be used. That is: the application subsystem can use a separate CPU, or share a CPU with the 3G wireless communication subsystem, or share a CPU with the 2G wireless communication subsystem.

In addition, the terminal in the embodiment of the present invention may include a Proxy module, and the module As an intermediate module, the application subsystem, the 3G wireless communication subsystem and the 2G wireless communication subsystem coordinate and cooperate with each other through the intermediate module, and realize communication and exchange of necessary information.

The Proxy module can be located in the application subsystem, or part of the 3G wireless communication subsystem, and part of the 2G wireless communication subsystem. It can also be divided into three parts, which are located in the application subsystem, 3G wireless communication subsystem and 2G wireless. In the communication subsystem, it can also be a separate module.

The Proxy module can be configured to enable sharing of two identification cards (ie, (U) SIM cards) and data access control by two wireless communication subsystems.

When the identity module ((U)SIM card module) is attached to the 3G wireless communication subsystem side, the Proxy module provides a proxy service function for accessing the (U)SIM card data information for the 2G wireless communication subsystem.

When the (U)SIM card module is attached to the 2G wireless communication subsystem, the Proxy module provides the 3G wireless communication subsystem with a proxy service function for accessing (U)SIM card data information.

When the (U)SIM card module simultaneously mounts two wireless communication subsystems, 3G and 2G, the Proxy module provides control and management functions for the two wireless communication subsystem access (U)SIM cards.

The following uses the 3G network as the TD-SCDMA network, and the 2G network is further described as an application example of the GSM network.

As shown in Figure 2 ~ 4, the terminal of the dual Modem architecture is on the hardware physical architecture. The application subsystem can use a separate CPU, or can select the wireless communication subsystem according to the processing power of the CPU used by the wireless communication subsystem. A total of CPU. The (U)SIM card module can be optionally attached to the TD-SCDMA wireless communication subsystem (TD-SCDMA Modem), or it can be attached to the GSM wireless communication subsystem (GSM Modem), even physically connected at the same time. On the communication subsystem. This solution uses only one (U)SIM card to implement voice and video calls, that is, the two are used concurrently. The GSM Modem carries voice calls, and the TD-SCDMA Modem carries CS-domain video calls. The pages of the two-way phones are sent from the GSM network and the TD-SCDMA network respectively, without mutual interference.

Taking the dual-mode dual-network dual-standby single-card single-number scheme of the three-core architecture shown in Figure 2 (the "application subsystem using a separate CPU") as an example, the terminal of this example includes the following modules/subsystems:

1, the application subsystem The application subsystem is the main control module of the terminal, and the other is responsible for following the services initiated by the user.

"CS business goes GSM network, PS and video telephony services go TD-SCDMA network" logic is distributed to the corresponding mode communication subsystem; Second, it is responsible for completing the interaction with the user, handling the local business and communication services unrelated to the network Logical part

The call management module is a part of the application subsystem related to the call, and is a key module of the method. The implementation and management of the concurrency control are completed by the module; when the voice and video calls are concurrent, the user selects whether the camera is turned off. Whether the voice sound channel is switched to the voice channel or the video channel, whether the voice call or the video call is completely suspended; it includes three parts:

A, public management sub-module

Complete interaction with the user, responsible for distinguishing between voice calls and video calls;

B, VT (video phone) application management sub-module

Responsible for the management of video calls, such as initiating video calls, answering video calls, suspending, switching voice channels, camera control, etc.

C, voice call management sub-module

Responsible for the management of voice calls, such as making a voice call, answering a voice call, suspending, switching voice channels, etc.

2. TD-SCDMA wireless communication subsystem

The TD-SCDMA wireless communication subsystem is different from the TD-SCDMA Modem currently in commercial use. It does not have the TD-SCDMA/GSM dual-mode switching function. It only has the "TD-SCDMA ONLY" mode and is mainly responsible for: TD-SCDMA network-based data. Data exchange between service and video telephony; monitor the signal strength of the current TD-SCDMA network, so that the corresponding service is scheduled when the signal changes, and the video call is not allowed when the TD-SCDMA signal is not good; ) SIM card module data for access and management;

3, GSM wireless communication subsystem

Responsible for the bearer of all CS domain services except the videophone of the entire terminal; temporarily carrying related data services through the 2G data link when the TD-SCDMA signal is poor; accessing the data of the (U)SIM card module attached to the module and Management

4, (U) SIM card module Responsible for reading the user identification information and authentication information on the (U)SIM card to interact with the network side; updating and managing the business data on the card through the wireless air interface method; performing personal information on the card, such as the phone book and the short message. management;

For the hook mode, the following strategies are available:

When hooked up to the TD-SCDMA wireless communication subsystem, the GSM wireless communication subsystem needs to indirectly access the data information on the (U)SIM card through the Proxy module;

When hooked up in the GSM wireless communication subsystem, the TD-SCDMA wireless communication subsystem needs to indirectly access the data information on the (U)SIM card through the Proxy module;

If both TD-SCDMA and GSM wireless communication subsystems are connected at the same time, the GSM wireless communication subsystem is required to carry out the compatibility modification of the USIM card, and the read and write access timing of the (U)SIM card needs to be mutually performed through the Proxy module. Reject control, which requires modification and adaptation of the standard card interface protocol.

5, Proxy module

The Proxy module shoulders coordination and cooperation between the application module, the TD-SCDMA wireless communication subsystem, and the GSM wireless communication subsystem to exchange and share necessary information. In this application example, the Proxy module is not a separate module, but is divided into three parts, which are respectively located in the application module, the 3G wireless communication subsystem, and the 2G wireless communication subsystem. Of course, as described above, the module may also be a module. Independent module. Its specific functions can include:

The TD-SCDMA wireless communication subsystem is responsible for monitoring the signal strength of the TD-SCDMA network currently being monitored by the terminal, and scheduling the corresponding service according to the following strategy.

When the TD-SCDMA wireless communication subsystem detects that the signal strength of the TD-SCDMA network is insufficient to support the initiation of related data services, the Proxy module can activate the 2G data link through the GSM wireless communication subsystem to initiate related services.

When the terminal is using the default TD-SCDMA network for data service, the network signal at the location becomes weak enough to support the related services, the Proxy module is responsible for switching the relevant PDP data link to the GSM wireless communication subsystem. Responsible on the 2G data link to continue the normal operation of related services.

When the terminal is using the 2G data link for data service, the location of the TD-SCDMA network signal becomes strong and recovers enough to support the related data service normally, Proxy The module can be responsible for switching the associated PDP data link back to the TD-SCDMA data link.

Realize the sharing of the (U)SIM card and data access control between two wireless communication subsystems.

When the (U)SIM card module is attached to the TD-SCDMA wireless communication subsystem side, the Proxy module provides the GSM wireless communication subsystem with a proxy service function for accessing (U)SIM card data information.

When the (U)SIM card module is attached to the GSM wireless communication subsystem, the Proxy module is

The TD-SCDMA wireless communication subsystem provides a proxy service function for accessing (U)SIM card data information.

When the (U)SIM card module simultaneously mounts two wireless communication subsystems, TD-SCDMA and GSM, the Proxy module provides control and management functions for the two wireless communication subsystem access (U)SIM cards.

Taking the design of the application subsystem independent CPU as an example, the flow and data trend of other designs are basically the same.

When the terminal is powered on, the (U)SIM card information is shared by the TD-SCDMA wireless communication subsystem and the GSM wireless communication subsystem through the Proxy module, and the initialization and network registration processes are completed by the TD-SCDMA Modem and the GSM Modem respectively; The Proxy module coordinates and is responsible for the read and write operations and data sharing of the (U)SIM card by the two wireless communication subsystems.

When making a telephone service, the voice call uses the CS domain. When the user actively calls out the voice call, the public management sub-module notifies the voice call management sub-module to invoke the GSM wireless communication subsystem to interact with the GSM network, and carries the communication to the other party through the GSM network; when called, the network is based on the terminal on the network side. The registered information establishes a link with the GSM wireless communication subsystem of the terminal and carries the service.

Video phones also use the CS domain. When the user actively calls out the video call, the public management sub-module notifies the VT application management sub-module to invoke the TD-SCDMA wireless communication subsystem to interact with the TD-SCDMA network, and carries the communication to the other party through the TD-SCDMA network; The network first reports the incoming call to the terminal through the GSM network, and the public domain manages the sub-module and then forwards it to the VT application management sub-module. The latter invokes the TD-SCDMA wireless communication subsystem and the TD-SCDMA network for data link and service. During the video telephony process, when the TD-SCDMA network signal cannot meet the requirements, it switches to the GSM wireless communication subsystem to make a voice call.

When the voice call and the video call are concurrent, since the video call is in the CS domain of the TD-SCDMA side, and the voice call is in the CS domain of the GSM side, when the concurrent call, the voice call data is taken as the CS of the GSM. The domain, while the video telephony data is taken in the CS domain of TD-SCDMA, there is no conflict between the data channels, and concurrency can be realized; the data path refers to FIG. 5.

There are two cases of concurrency:

In the process of voice call, there is an incoming call of the video call: If the user chooses to pause the voice call and make a video call, the voice call management sub-module suspends the voice call in the manner of ordinary voice call concurrently, and then the VT application manager The module accesses the video phone and receives and sends video telephony data through the TD-SCDMA wireless communication subsystem. If the user selects both the voice call and the video call, the voice call management sub-module can continue the voice call and VT application management sub-module. Access video call, two calls are performed simultaneously;

During the video call, there is a voice call incoming: If the user chooses to pause the video call and make a voice call, the VT application management sub-module first processes the video call, and the voice part of the video call can refer to the concurrent processing mode of the ordinary voice call. The video part can be shielded, such as turning off the camera, or sending a specially set video waiting screen, etc., if the user likes, the video can also be kept; the voice call management sub-module receives and sends the voice telephone data through the GSM wireless communication sub-module; If the voice call and the video call are selected at the same time, the VT application management sub-module can continue to access the voice call of the video call and voice call management sub-module, and the two types of calls are simultaneously performed.

In summary, the present invention realizes the concurrency of a voice telephone and a video telephone, and solves the contradiction that the 3G new business video telephone and the 2G service voice telephone cannot be used at the same time.

One of ordinary skill in the art will appreciate that all or a portion of the above steps may be accomplished by a program instructing the associated hardware, such as a read-only memory, a magnetic disk, or an optical disk. Optionally, all or part of the steps of the foregoing embodiments may also be implemented by using one or more integrated circuits. Accordingly, each module/unit in the foregoing embodiment may be implemented in the form of hardware, or may use software functions. The form of the module is implemented. The invention is not limited to any specific form of 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. Where in the spirit of the present invention Within the principles, any modifications, equivalent substitutions, improvements, etc., are intended to be included within the scope of the present invention.

Industrial Applicability The present invention provides a method and apparatus for performing a telephone service by a dual network dual standby terminal, which solves the problem of how a terminal of a single card number realizes concurrent videophone and voice telephone. By using the method and device of the invention, in the case of single card single-number dual-network dual standby, the concurrency of the voice telephone and the video telephone can be realized, and the effect is that the user can freely switch between the two telephones, even reaching At the same time, two users will make a voice call through an external microphone and headphones, and another person will have the effect of a video call through the built-in microphone and speaker. Improve the use of end users, but also promoted

The development of TD-SCDMA networks.

Claims

Claim

A method for performing a telephone service by a dual network dual standby terminal, the dual network dual standby terminal comprising an application subsystem, a third generation mobile communication technology 3G wireless communication subsystem, and a second generation mobile communication technology 2G wireless communication subsystem And an identity recognition module, wherein the identity recognition module is inserted with an identity identification card, where the identity identification card stores information for identity authentication of the 2G network and the 3G network, and the method includes:

When the user of the dual-network dual standby terminal uses the video telephony service, the application subsystem selects

The 3G wireless communication subsystem uses the information in the identification card to perform video telephony services over the 3G network.

2. The method according to claim 1, wherein, when the user of the dual-network dual standby terminal uses the voice telephone service, the step of performing the voice telephone service through the 2G network includes:

When the user of the dual-network dual standby terminal uses the voice telephone service, if the videophone calls in, and the user selects to perform the voice telephone service and the video telephone service simultaneously, the application subsystem selects the 3G wireless communication. The subsystem performs video telephony services through the 3G network, and at the same time, the 2G wireless communication subsystem performs voice telephony services through the 2G network.

The method of claim 1, wherein when the user of the dual-network dual standby terminal uses the video telephony service, the step of performing the video telephony service through the 3G network includes:

When the user of the dual-network dual-standby terminal uses the video telephony service, if there is a voice call, and the user chooses to suspend the video telephony service and performs a voice telephony service, the application subsystem will The video telephone service is suspended, and the 2G wireless communication subsystem is selected to perform voice telephone service through the 2G network; When the user of the dual-network dual standby terminal uses the video telephone service, if the voice telephone calls in, and the user selects to perform the voice telephone service and the video telephone service simultaneously, the application subsystem selects the 2G wireless communication. The subsystem performs voice telephone service through the 2G network, and at the same time, the 3G wireless communication subsystem performs voice telephone service through the 3G network.

4. The method of claim 2 or 3, further comprising:

When the 3G wireless communication subsystem performs a video telephony service through a 3G network, and the 2G wireless communication subsystem performs a voice telephony service through a 2G network, the application subsystem selects one of a video telephony service and a voice telephony service. The telephone service uses an external microphone and earphone to make a call, and the other telephone service uses a built-in microphone and speaker to make a call.

5. The method of any one of claims 1 to 3, further comprising:

6. A device for performing a telephone service by a dual network dual standby terminal, comprising an application subsystem, a 3G wireless communication subsystem, a 2G wireless communication subsystem, and an identity recognition module, wherein the application subsystem and the 3G wireless communication subsystem respectively Connected to the 2G wireless communication subsystem, the identity recognition module is respectively connected to the 3G wireless communication subsystem and the 2G wireless communication subsystem or in the 3G wireless communication subsystem and the 2G wireless communication subsystem One connected

The application subsystem is configured to: when the user of the dual network dual standby terminal uses the voice telephone service, select a 2G wireless communication subsystem, and when the user of the dual network dual standby terminal uses the video telephone service, select 3G wireless Communication subsystem

The 2G wireless communication subsystem is configured to: use the information in the identity identification card to perform information on the 2G network when the identity recognition module is connected to the 2G wireless communication subsystem according to the selection of the application subsystem Voice telephone service;

The 3G wireless communication subsystem is configured to: according to the selection of the application subsystem, when When the identity module is connected to the 3G wireless communication subsystem, the video phone service is performed through the 3G network by using the information in the identity card.

7. The apparatus according to claim 6, wherein

The application subsystem is configured to: when the user of the dual-network dual standby terminal uses the voice telephone service, if there is a video call incoming, and the user chooses to suspend the voice telephone service, and the video telephone service is performed, The voice telephone service is suspended, and the 3G wireless communication subsystem is selected to perform video telephony service through the 3G network; when the user of the dual network dual standby terminal uses the voice telephone service, if there is a video call incoming, and the When the user selects the voice telephone service and the video telephone service at the same time, the 3G wireless communication subsystem is selected to perform the video telephone service through the 3G network, and at the same time, the 2G wireless communication subsystem performs the voice telephone service through the 2G network.

8. The apparatus according to claim 6, wherein

The application subsystem is configured to: when the user of the dual-network dual standby terminal uses the video telephony service, if there is a voice call incoming, and the user chooses to suspend the video telephony service and performs voice telephony service, The video telephone service is suspended, and the 2G wireless communication subsystem is selected to perform voice telephone service through the 2G network; when the user of the dual network dual standby terminal uses the video telephone service, if there is a voice call, the When the user selects the voice telephone service and the video telephone service at the same time, the 2G wireless communication subsystem is selected to perform the voice telephone service through the 2G network, and at the same time, the 3G wireless communication subsystem performs the voice telephone service through the 3G network.

9. The apparatus according to claim 7 or 8, wherein

The application subsystem is further configured to: when the 3G wireless communication subsystem performs a video telephony service through a 3G network, and at the same time, the 2G wireless communication subsystem selects a video telephony service and a voice call when performing a voice telephony service through the 2G network. One type of telephone service in the business uses an external microphone and earphone to make a call, and the other telephone service uses a built-in microphone and speaker to make a call.

10. The apparatus according to any one of claims 6 to 8, wherein

The application subsystem is further configured to: when the 3G wireless communication subsystem performs video telephony service through the 3G network, if the 3G wireless communication subsystem determines that the signal strength of the current 3G network cannot bear the video telephony service, Switching the video telephony service to a voice telephony service.