WO2012031469A1 - 移动终端 - Google Patents

移动终端 Download PDF

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Publication number
WO2012031469A1
WO2012031469A1 PCT/CN2011/071160 CN2011071160W WO2012031469A1 WO 2012031469 A1 WO2012031469 A1 WO 2012031469A1 CN 2011071160 W CN2011071160 W CN 2011071160W WO 2012031469 A1 WO2012031469 A1 WO 2012031469A1
Authority
WO
WIPO (PCT)
Prior art keywords
subscriber line
module
mobile terminal
terminal
processing module
Prior art date
Application number
PCT/CN2011/071160
Other languages
English (en)
French (fr)
Inventor
梁西广
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 EP11822992.1A priority Critical patent/EP2523438B1/en
Priority to US13/574,924 priority patent/US8744517B2/en
Publication of WO2012031469A1 publication Critical patent/WO2012031469A1/zh

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/725—Cordless telephones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/738—Interface circuits for coupling substations to external telephone lines
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access, e.g. scheduled or random access
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices

Definitions

  • the present invention relates to the field of communications, and in particular, to a mobile terminal. Background technique
  • the present invention proposes a mobile terminal capable of communicating by means of wired communication.
  • a mobile terminal including a central processing unit, a fixed network access control module, a dual tone multi-frequency processing module, a call processing module, a mobile communication module, and an electronic switch module.
  • the fixed network access control module is connected to the central processing unit, and includes an analog subscriber line interface, configured to connect the terminal and the analog subscriber line, and connect the analog subscriber line to the analog subscriber line interface.
  • the dual tone multi-frequency processing module is connected to the central processor for identifying a selection from the analog subscriber line Signaling, and transmitting the selection signal to the central processing unit, and transmitting a selection signal from the central processing unit to the analog subscriber line;
  • the call processing module configured to extract the analog subscriber line Transmitting a voice signal, and transmitting the voice signal to an audio output device of the mobile terminal, and transmitting a voice signal from the user to the analog subscriber line;
  • the mobile communication module configured to implement the mobile based on a wireless network Communication between the terminal and the outside world;
  • the central processor configured to process a letter from the dual tone multi-frequency processing module , the dual tone multi-frequency processing module needs to be sent via signaling of the subscriber
  • the mobile terminal may further include: a ringing stream processing module, connected to the central processor, configured to identify a ringing stream signal from the analog subscriber line, and send a ringing corresponding to the ringing stream signal to the CPU.
  • a ringing stream processing module connected to the central processor, configured to identify a ringing stream signal from the analog subscriber line, and send a ringing corresponding to the ringing stream signal to the CPU.
  • the mobile terminal may further include: a tone processing module, and the central portion
  • the processor is connected to identify a tone from the analog subscriber line and send the tone information to the central processor.
  • the central processor is further configured to determine, according to the called terminal identifier of the incoming call that is received by the dual-tone multi-frequency processing module, whether the called terminal of the call corresponding to the ringing stream signal is the mobile terminal, And controlling the mobile terminal to make a call prompt if the determination result is YES.
  • the electronic switch module is further configured to: at least one of the dual tone multi-frequency processing module, the call processing module, and the ringing current processing module and the simulation under control of the central processor User lines are connected.
  • the central processor is configured to control, when the mobile terminal accesses the fixed telephone network, the electronic switch module to connect the ringing processing module to the analog subscriber line.
  • the central processor is configured to control the electronic switch module to connect the call processing module to the analog subscriber line if the mobile terminal needs to make a call.
  • the mobile terminal further includes an audio input/output module, wherein the call processing module is configured to send a voice signal generated by the user through the audio input module to the analog subscriber line, and from the analog subscriber line The voice signal is sent to the audio output module.
  • the call processing module is configured to send a voice signal generated by the user through the audio input module to the analog subscriber line, and from the analog subscriber line The voice signal is sent to the audio output module.
  • the electronic switch module is further configured to connect the audio input/output module to the call processing module or the central processing unit under the control of the central processing unit.
  • the central processing unit is one of the following: a baseband processor, a central processing unit.
  • a functional module for signaling processing, voice signal processing, and analog subscriber line connection is provided, so that the mobile terminal can access and reside in the fixed telephone network.
  • the interaction between the voice signal and the signaling can be performed through the analog subscriber line and the fixed telephone network, thereby realizing the fusion of the mobile communication and the fixed telephone network communication to the mobile terminal, and the basis of retaining the mobile communication function
  • the function of wired communication is added, thereby reducing the harm of radio wave radiation to human health and the environment, and saving radio resources.
  • FIG. 1 is a block diagram showing the structure of a mobile terminal according to an embodiment of the present invention.
  • FIG. 2 is a schematic diagram of a fixed network access control module in a converged terminal according to an embodiment of the present invention
  • FIG. 3 is a block diagram showing a specific structure of a converged terminal according to an embodiment of the present invention
  • FIG. 4 is a flowchart of a process of accessing a fixed telephone network when a converged terminal is idle according to an embodiment of the present invention
  • FIG. 5 is a flowchart of a process of accessing a fixed telephone network during a converged terminal call according to an embodiment of the present invention
  • FIG. 6 is a flowchart of a process of leaving a fixed telephone network when a converged terminal is idle according to an embodiment of the present invention
  • FIG. 7 is a flowchart of a process of leaving a fixed telephone network when a converged terminal talks according to an embodiment of the present invention
  • FIG. 8 is a flow chart of initiating call processing by a converged terminal accessing a fixed telephone network according to an embodiment of the present invention
  • Figure 9 is a flow diagram of a final receiving call process for a converged terminal accessing a fixed telephone network in accordance with an embodiment of the present invention. detailed description
  • the present invention considers that the current fixed telephone network technology is relatively complete, and the network coverage is comprehensive, and The scale of the network is still evolving and expanding. It is proposed that the mobile terminal can be modified to enable the mobile terminal to access and reside in the fixed telephone network, and the voice signal can be interacted with the fixed telephone network via the analog subscriber line.
  • the interaction of signaling (including short messages) enables the mobile terminal to realize the fusion of mobile communication and fixed telephone network communication, and can increase the function of wired communication on the basis of retaining the mobile communication function, thereby reducing radio wave radiation to the human body. Health and environmental hazards, Reduce the waste of wireless resources.
  • FIG. 1 is a structural block diagram of a mobile terminal according to an embodiment of the present invention.
  • the system includes a central processing unit 1, a fixed network access control module 2, a dual tone multi-frequency processing module 3, a call processing module 4, and a mobile communication.
  • the fixed network access control module 2 is connected to the central processing unit 1 and includes an analog subscriber line interface, and is configured to notify the central processing unit 1 of the mobile terminal and the fixed telephone network when the analog subscriber line is connected to the analog subscriber line interface.
  • the connection is also used to notify the central processing unit 1 to control the disconnection of the mobile terminal from the fixed telephone network when the analog subscriber line is disconnected from the analog subscriber line interface; the dual tone multi-frequency processing module 3, and the central processing unit 1 Connected, for identifying a selection signal from the analog subscriber line, and transmitting the selection signal information to the central processing unit 1 and transmitting the selection signal from the central processing unit 1 to the analog subscriber line;
  • a call processing module 4 configured to send a voice signal from the analog subscriber line to the audio output module, and send the voice signal from the user to the analog subscriber line;
  • the mobile communication module 5 is configured to implement communication between the mobile terminal and the outside world based on the wireless network;
  • the central processing unit 1 is configured to process signaling from the dual-tone multi-frequency processing module 3, and send signaling that needs to be transmitted via the network to transmit dual-tone
  • the frequency processing module 3 is configured to control the electronic switch module 6 to turn off the radio frequency transceiver function of the mobile communication module 5 when the fixed network access control module 2 notifies the mobile terminal to connect with the fixed telephone network
  • the central processing unit 1 is One of the following: baseband processor, central processing unit;
  • the ringing processing module (not shown in FIG. 1) is connected to the central processing unit 1 for identifying a ringing current signal from the analog subscriber line, and transmitting the ringing corresponding to the ringing current signal to the central processing unit 1.
  • a tone processing module (not shown in FIG. 1) is connected to the central processing unit 1 for identifying a signal tone from the analog subscriber line and transmitting the tone information to the central processing unit 1.
  • An audio input/output module (microphone and earpiece) (not shown in FIG. 1), wherein the call processing module 4 is configured to send a voice signal input by the user through the microphone to the analog subscriber line, and The voice signal of the intended subscriber line is sent to the handset.
  • the central processing unit 1 is further configured to determine, according to the called terminal identifier of the incoming call, whether the called terminal of the call corresponding to the ringing current signal is the mobile terminal, and control the mobile terminal to perform the call if the determination result is yes.
  • the electronic switch module 6 is further configured to connect at least one of the dual tone multi-frequency processing module 3, the call processing module 4, and the ringing processing module to the analog subscriber line under the control of the central processing unit 1.
  • the central processing unit 1 is configured to control the electronic switch module 6 to connect the ringing processing module to the analog subscriber line when the mobile terminal accesses the fixed telephone network; the central processing unit 1 is configured to be performed on the mobile terminal.
  • the control electronic switch module 6 connects the call processing module 4 with the analog subscriber line;
  • the central processor 1 is configured to control the electronic switch module to input the audio input/output module and the call processing module when the mobile terminal talks The same.
  • the mobile terminal of the present invention Since the above mobile terminal according to the present invention combines the functions of fixed telephone network communication and mobile network communication, the mobile terminal of the present invention will hereinafter be referred to as a converged terminal.
  • FIG. 2 is a schematic diagram of a fixed network access control module in a converged terminal according to an embodiment of the present invention, mainly a shape of a subscriber line plug and a connection method thereof with the terminal.
  • the shape of the plug can be various, for example, the push button switch can be controlled by the top of the plug, etc., and the position of the jack can be set at the lower portion of the fusion terminal.
  • the fixed network access control module on the one hand, the ab line inside the converged terminal can be connected with the analog subscriber line of the fixed telephone network, and then the converged terminal and the fixed telephone network are connected through the analog subscriber line.
  • the converged terminal also Plug insertion and dialing can be detected in time, and the connection and disconnection of the central processor subscriber line is notified, thereby enabling access and exit processing logic.
  • the subscriber line plug is a cylindrical type, the upper left part is the vertical section of the plug, the upper part is the cross section of the plug, and the lower part is the corresponding part in the fusion terminal jack.
  • the outer layer 21 of the plug is a metal shell for connecting the a line of the subscriber line; the center of the inner layer 22 of the plug is a metal core for connecting the b line of the subscriber line; and the insulating layer 23 is used for separating the two lines of the ab;
  • the groove 24 is engaged with the boss 27.
  • the tab When the plug is inserted into the jack, the tab is stuck in the groove to prevent the plug from slipping off easily; the three contacts 25, 26 and 27 are located in the jack, corresponding to the b line in the fusion terminal, and the connection detection is opened.
  • the terminal a line; wherein, the contacts 25 and 27 are metal contacts, after the plug is pushed in, the ab line in the terminal can be connected with the external subscriber line; the spring contact switch 28 can be touched after the plug is inserted
  • the low level is turned on by the push of the point 26 to inform the insertion of the central processing unit plug; when the plug is not inserted, the spring contact switch 28 is turned “on" to indicate to the central processor that the plug is not inserted.
  • the device for realizing the fusion of the mobile terminal and the fixed terminal (also referred to as a converged terminal) according to the present invention, and the device for communicating by using the existing analog subscriber line in the fixed communication network includes an MS (mobile convergence terminal, also called a converged terminal), and a fixed telephone network. And mobile communication networks.
  • MS mobile convergence terminal, also called a converged terminal
  • FIG. 3 is a block diagram showing a specific structure of a converged terminal according to an embodiment of the present invention.
  • the converged terminal has two interfaces, one being wireless and the other being a subscriber line.
  • the signaling on the wireless interface is the same as the wireless interface of the mobile communication network in the prior art, and is not described here.
  • the interface between the subscriber line interface and the analog fixed telephone and the fixed telephone network in the prior art is basically the same.
  • the number sent on the subscriber line includes a special service number, the local terminal number (calling number), and the corresponding operation code. , to indicate to the converged network that the service request is from the converged terminal, the converged terminal instance that initiated the service request, and the requested service.
  • a fixed network special service number of the converged terminal is set (the converged terminal accesses the special service number of the converged network through the fixed telephone network). Since the converged terminal can realize three functions through the fixed telephone network: First, registration, that is, notification to the network side, the converged terminal is being accessed through a user port of the fixed telephone network; second, the call, that is, the converged terminal accesses through the subscriber line of the network.
  • the same call service can be obtained as in the case of mobile access; the third is call forwarding, that is, when the converged terminal talks, it can switch between mobile access and fixed access; fourth, short message transmission, that is, through solid The network sends a short message.
  • the special service number is first dialed, followed by the corresponding operation code, so as to be fused to the network activation.
  • the dialing of the special service number and the operation code is automatically completed by the fusion terminal, and the user's operation method and the prior art are The operation method of the mobile user using the mobile terminal for communication is exactly the same.
  • the converged terminal is composed of a mobile communication module, a fixed-line processing module, and a public part.
  • the vibrator, the display, the keyboard, the microphone, the earpiece, the handsfree/ringing are all necessary input/output modules in the existing mobile terminal device, and are shared by the mobile communication module and the fixed-line processing module in the fusion terminal;
  • the processor may be a (digital) baseband processor in an existing mobile terminal, or may be a separate CPU (Central Processing Unit), such as a CPU in the netbook, for overall controlling the behavior of the converged terminal.
  • the mobile communication module performs the mobile communication function of the prior art under the control of the central processing unit, and can turn on and off the radio frequency transceiver function of the mobile communication module under the control of the central processing unit.
  • the fixed-line processing module of the converged terminal is composed of a fixed network access control module, a signaling processing module and a call processing module; the signaling processing module is further composed of a DTMF/FSK processing module, a signal sound processing module and a ringing current processing module.
  • the ringing stream processing module is connected to the ab line (ie, the user line) when idle, and the subscriber line DC loop is connected during the call, and the call processing module communicates with the ab line. All of these modules in the fusion terminal work under the unified control of the central processor to complete the call processing in the fixed telephone network access mode.
  • the call processing module can turn on or off its connection with the ab line under the control of the central processor to realize and end the voice communication; realize 2/4 line conversion, eliminate sidetone, amplify the voice signal, and receive and transmit voice signal.
  • the call processing module and the mobile communication module share the handset and the microphone module, so the input/output of these modules must meet the corresponding technical requirements, and if necessary, corresponding signal conversion is required.
  • the fixed network access control module can detect the insertion and dialing of the user plug in time, and notify the central processor of the user line connection and disconnection, thereby starting the access and exit processing logic.
  • the signaling processing module implements all signaling interaction functions between the converged terminal and the converged network under the control of the central processing unit, and all three sub-modules can be turned on or off and connected to the ab line under the control of the central processing unit. Connection.
  • the ringing processing module can be turned on or off under the control of the central processor and ab Line connection.
  • the ringing processing module is always connected to the ab line to monitor the ringing current that may appear on the ab line.
  • the ringing processing module disconnects the ab line under the control of the central processor; meanwhile, under the control of the central processor, the subscriber line loop is turned on. Make the call processing module communicate with the ab line to start the call.
  • the user presses the on-hook button and the central processor controls the ring-tone processing module to connect to the ab line, and disconnects the subscriber line loop.
  • the main task of the ringing processing module is to identify the ringing signal from the line, and when there is a ringing signal on the line, report the occurrence of the ringing flow to the central processor, so that the central processor controls the hands-free/ringing ringtone or/ And the vibrator is driven to generate vibration.
  • the function of the tone processing module is to identify the tone signals such as dial tone, ring back tone, busy tone, etc. on the line and report their presence to the central processor.
  • DTMF/FSK processing module initiates a call as a calling terminal
  • the relevant number of the number from the central processing unit is converted into a DTMF/FSK signal and sent to the subscriber line.
  • the ringing processing module detects the ringing current
  • the DTMF/FSK then starts listening and identifying the DTMF/FSK signals of the calling number that may appear on the subscriber line and sending them to the central processor.
  • DTMF/FSK is also responsible for data transmission and reception of short messages.
  • a pair of analog subscriber lines can be connected to a plurality of different mobile terminals, and the different converged terminals are distinguished by their respective telephone numbers. If the converged terminal is the calling party, the calling number of the outgoing call is the user number corresponding to the converged terminal. Which of the other terminals will use the number of the converged terminal as the called party, and only the called converged terminal rings.
  • the subscriber line port occupied by the converged terminal access network can still correspond to a fixed telephone number, and its behavior logic is the same as other common ports; when the port is called, if the fixed telephone is still connected to the port, the fixed telephone Also ringed. If a fixed telephone is used as the calling party to initiate a call, the calling number is the fixed telephone number corresponding to the port, and the usage method is exactly the same as the prior art.
  • FIG. 4 is a process of accessing a fixed telephone network when a converged terminal is idle according to an embodiment of the present invention.
  • the flow chart, as shown in Figure 4, includes the following processing:
  • Step 401 After inserting the subscriber line plug into the subscriber line jack of the converged terminal, the fixed network access control module in the converged terminal detects the event and reports the event to the central processor; the central processor controls the electronic switch Connect the user loop, connect the DTMF/FSK processing module to the subscriber line, and the central processor initiates fixed-line network access logic processing.
  • Step 402 The user loop is connected to the convergence terminal, and the user interface circuit in the fixed telephone network can supply power to the subscriber line loop, and the fixed telephone network detects the power supply, that is, off-hook, that is, the convergence terminal.
  • the fixed telephone network issues an off-hook event and waits for a response from the network side.
  • Step 403 The central processing unit connects the tone processing module to the subscriber line and waits for a response sent by the fixed telephone network, such as a dial tone.
  • Step 404 After detecting the off-hook event, the fixed-telephone network initiates call processing, and verifies the attribute of the port connected to the subscriber line on the network side (for example, whether the port is available, if yes, continue the following processing, otherwise the process ends. Send busy tone to the converged terminal), allocate other resources (such as memory, threads, etc.) required for the call.
  • the attribute of the port connected to the subscriber line on the network side for example, whether the port is available, if yes, continue the following processing, otherwise the process ends.
  • Send busy tone to the converged terminal allocate other resources (such as memory, threads, etc.) required for the call.
  • Step 405 The fixed telephone network sends a dial tone signal to the fusion terminal.
  • Step 406 The tone processing module of the fusion terminal recognizes the dial tone signal, and notifies the central processor that the dial tone signal has been received, so that the central processor performs subsequent access operations; the central processor reads the book from the SIM card. The machine number, the special service number (to identify the converged terminal service) and the registration operation code, and send these numbers to the DTMF/FSK module.
  • Step 407 The DTMF/FSK module converts the local number, the special service number, and the registration operation code into DTMF/FSK signals, and sends them to the fixed telephone network through the subscriber line.
  • Step 408 The fixed telephone network separately analyzes the received number, determines that the terminal is a converged terminal by using the special service number, and determines that the subsequent operation is the idle terminal of the converged terminal accessing the fixed telephone network by registering the operation code.
  • Access processing after that, the fixed telephone network and the mobile communication network jointly perform the fixed telephone network access processing of the converged terminal, and add the local number of the terminal to the data of the user port of the corresponding access end office switch in the fixed network, And the fusion
  • the current service location of the terminal is recorded in the VLR, HLR, and MSC of the mobile network.
  • Step 409 After the fixed telephone network and the mobile communication network complete the access operation of the converged terminal, the end office switch accessed by the converged terminal in the fixed telephone network sends a ring back tone signal to the user port where the converged terminal is located, and notifies the converged terminal to fix The access to the telephone network has been successful; the tone processing module of the converged terminal detects the ringback tone signal and reports to the central processor that the ringback tone signal has been received.
  • Steps 410 to 411 the central processing unit of the converged terminal instructs the mobile communication module to initiate a location update process to the mobile communication network through the air interface to confirm the fixed telephone network access situation of the converged terminal, where the location update process and the prior art The location update process is the same and will not be described here.
  • Step 412 The converged terminal turns off the radio frequency transceiver function of the mobile communication module, does not send and receive radio waves, and releases the resources allocated for the access, and enters the fixed telephone network access working mode.
  • Step 413 The converged terminal disconnects the subscriber line loop, sends an on-hook signal to the end office switch accessed by the terminal in the fixed telephone network, and connects the ringing processing module to the subscriber line, and enters the fixed telephone network access mode, preferably. Ground, under the control of the central processor, all other modules in the converged terminal can be disconnected from the subscriber line.
  • steps 410 to 411 are optional steps.
  • FIG. 5 is a flowchart of a process for accessing a fixed telephone network during a converged terminal call according to an embodiment of the present invention. As shown in FIG. 5, the following processing is included:
  • Step 501 After inserting the subscriber line plug into the subscriber line jack of the converged terminal, the fixed network access control module in the converged terminal detects the event and reports the event to the central processor; the central processor controls the electronic switch Connect the user loop, connect the DTMF/FSK processing module to the subscriber line, and the central processor initiates the fixed telephone network to logical processing.
  • Step 502 The user loop is connected to the user terminal in the converged terminal, and the user interface circuit in the fixed telephone network can supply power to the subscriber line loop.
  • the fixed telephone network detects the power supply, that is, off-hook, that is, the converged terminal is fixed.
  • the telephone network issues an off-hook event and waits for a response from the network side.
  • Step 503 The central processor connects the tone processing module to the subscriber line and waits for a response sent by the fixed telephone network, such as a dial tone.
  • Step 504 After detecting the off-hook event, the fixed telephone network starts the call processing, and verifies the attribute of the port connected to the subscriber line on the network side (for example, whether the port is available, if yes, continue the following processing, otherwise the process ends) , allocate other resources (such as memory, threads, etc.) required for this call.
  • the attribute of the port connected to the subscriber line on the network side for example, whether the port is available, if yes, continue the following processing, otherwise the process ends
  • Step 505 The fixed telephone network sends a dial tone signal to the fusion terminal.
  • Step 506 The tone processing module of the fusion terminal recognizes the dial tone signal, and reports the arrival of the dial tone signal to the central processor, so that the central processor performs subsequent access operations, and the central processor reads from the SIM card.
  • a central machine is provided with a state machine to identify the operation to be performed, send a registration operation code to the fixed telephone network, or transfer the operation code, or initiate the operation code.
  • Step 507 The DTMF/FSK module converts the local number, the special service number, and the transfer operation code into DTMF/FSK signals, and sends them to the fixed telephone network through the subscriber line.
  • Step 508 The fixed telephone network separately analyzes the received number, determines that the terminal is a converged terminal by using the special service number, and determines that the subsequent operation is the converged terminal in the call state accessing the fixed telephone network by transferring the operation code. Transferring to the processing; after that, the fixed telephone network and the mobile communication network jointly complete the fixed telephone network transfer processing of the converged terminal, and add the local number of the terminal to the data of the access port of the fixed network access end office switch The current service location of the converged terminal is recorded in the MSC, HLR, and VLR of the mobile communication network.
  • Step 509 The access end office switch of the fixed telephone network sends a ring back tone to the converged terminal, and notifies the converged terminal that the access of the fixed telephone network has succeeded; the signal tone processing module of the converged terminal detects the ring back tone signal, and processes the signal to the central unit. The device reported that the ringback tone signal has been received.
  • Step 510 to step 511 the central processing unit of the converged terminal instructs the mobile communication module to initiate a location update process to the mobile communication network through the air interface to confirm the fixed telephone network connection of the converged terminal.
  • the location update process is the same as the location update process of the prior art, and details are not described herein again.
  • Step 512 After the network side processes the access of the converged terminal, the end office switch stops sending the ring back tone to the terminal, so that the call can continue to be resumed, and the converged terminal detects the stop of the ring back tone, and turns off the radio frequency transceiver function of the mobile communication processing module. , no longer send and receive radio waves, and release the resources allocated by this access, enter the fixed telephone network access working mode.
  • Step 513 The converged terminal connects the call processing module to the subscriber line under the control of the central processor, and the converged terminal enters the fixed telephone network access mode, and the fixed telephone network and the converged terminal complete the transfer processing, and the mobile communication network puts the call.
  • the voice channel is switched to the wired voice channel connected by the end office switch, the subscriber line, and the converged terminal of the fixed telephone network, and the two parties continue to talk through the fixed telephone network.
  • steps 510 to 511 are optional steps.
  • FIG. 6 is a flowchart of a process of leaving a fixed telephone network when a converged terminal is idle according to an embodiment of the present invention, that is, a process flow after the user line plug is removed from the fused terminal in an idle state, as shown in FIG. 6, including the following processing. :
  • Step 601 After the subscriber line plug is disconnected from the fused terminal in the idle state, the fixed network access control module of the fused terminal detects that the subscriber line plug is unplugged, notifies the central processor, and the central processor indicates the mobile communication processing module. Enable the RF transceiver function and start the location update processing.
  • Step 602 to step 604, the fusion terminal sends a location update request (LU UODATE REQ) to the mobile communication network, and the mobile communication network receives the location update request, and changes the location information of the terminal in the network from the fixed telephone network to the mobile communication network. And sending a location update response (LU_UPDATE_CONFIRM) message to the converged terminal to complete the location update of the converged terminal.
  • the location update process is the same as the location update process of the prior art, and details are not described herein again.
  • Step 605 The converged terminal enters a mobile access mode.
  • FIG. 7 is a flowchart of a process of leaving a fixed telephone network when a converged terminal is in a call according to an embodiment of the present invention, that is, a processing flowchart after the user line plug is unplugged from the converged terminal in a call state, such as As shown in Figure 7, the following processing is included:
  • Step 701 After the user line plug is unplugged from the converged terminal in the call state (for example, the user dials the subscriber line from the converged terminal in the call state, if the user does not press the on-hook button, the call will be maintained, the user may Continue to call), the fixed network access control module of the converged terminal detects the disconnection of the subscriber line plug, and the central processor instructs the mobile communication processing module to enable the radio frequency transceiving function to start the location update processing flow.
  • the fixed network access control module of the converged terminal detects the disconnection of the subscriber line plug, and the central processor instructs the mobile communication processing module to enable the radio frequency transceiving function to start the location update processing flow.
  • Step 702 to step 704 the fusion terminal sends a location update request to the mobile communication network, and the mobile communication network receives the location update request, and changes the location information of the terminal in the network from the fixed telephone network to the mobile communication network, and sends the location to the convergence terminal.
  • the response message is updated to complete the location update of the converged terminal while maintaining the previous call of the converged terminal.
  • the location update process is the same as the location update process of the prior art, and is not described here.
  • Step 705 The mobile communication network establishes a voice bearer with the convergence terminal, and switches the call to the bearer. Specifically, the mobile communication network cooperates with the convergence terminal to establish a corresponding wireless access device (such as a BS, the air interface and the mobile communication network).
  • the BSC, MSC participates in the voice bearer and switches the call to the voice bearer.
  • FIG. 8 is a flowchart of a call initiated by a converged terminal accessing a fixed telephone network according to an embodiment of the present invention. As shown in FIG. 8, the following processing is included:
  • Step 801 After the user dials the number of the other party and presses the off-hook key (the same operation as the fusion terminal in the mobile access mode), the central processing unit controls the electronic switch to connect to the user loop, and the DTMF/FSK processing module is connected with the subscriber line. Connect, send an off-hook signal to the fixed telephone network; then, the central processor controls the electronic switch to connect the tone processing module to the subscriber line, waiting for a response from the network side.
  • Step 802 After detecting the off-hook event, the fixed telephone network starts the call processing, and sends a dial tone signal to the fusion terminal.
  • Step 803 The tone sound processing module of the fusion terminal recognizes the dial tone signal, and reports the received dial tone to the central processor.
  • the central processor performs subsequent call operations, reads the local number, the special service number (to identify the converged terminal service), the calling operation code, and the above The number and the called number are sent to the DTMF/FSK module; the DTMF/FSK module converts the special service number, the calling operation code, the local number and the called number into DTMF/FSK signals, which are sent to the fixed telephone network through the subscriber line.
  • the audio input/output module, call processing module, and subscriber line will be connected.
  • Step 804 The fixed telephone network performs number analysis on the calling number and the called number, and starts the outgoing call processing of the fixed terminal network access of the converged terminal (this process is similar to the prior art, and is not described herein again), and then, the network After the side called terminal rings, the ring back tone signal is sent to the fusion terminal.
  • Step 805 The called party picks up the phone, and the fixed telephone network stops sending the ring back tone signal to the fusion terminal. Step 806, after the user hears that the ringback is stopped, the user can communicate with the called user through the converged terminal.
  • the central processing unit may also connect the call processing module to the subscriber line in any step after step 801 to form a call loop.
  • FIG. 9 is a flowchart of a terminal receiving call processing of a converged terminal accessing a fixed telephone network according to an embodiment of the present invention. As shown in FIG. 9, the following processing is included:
  • Step 901 After the inbound call of the called converged terminal arrives at the access end office switch on the network side, the central office switch confirms that the port where the converged terminal is located is idle, and sends a ringing stream to the subscriber line connected to the converged terminal, that is, the fixed telephone network. A ringing stream signal is sent to the converged terminal.
  • Step 902 according to the process shown in FIG. 5 of the embodiment of the present invention, after the converged terminal accesses the fixed telephone network, the ringing processing module is connected to the subscriber line, and if the fixed telephone network sends the ringing stream to the subscriber line, the converged terminal
  • the ringing stream processing module identifies the ringing stream and reports the arrival information of the ringing stream signal to the central processor; the central processor initiates an incoming call processing to connect the DTMF/FSK processing module to the subscriber line.
  • Step 903 The fixed telephone network sends the calling number and the called number to the fusion terminal through the DTMF/FSK module.
  • Step 904 The fused terminal compares the received called number with its own terminal number. If the called number is the same as the local terminal number, the calling number is sent to the display of the fused terminal. The line displays, and activates the incoming notification module (drives hands-free/ringing ringing, or/and vibrator vibration), notifies the arrival of the incoming call, proceeds to step 905; if the called number is not the same as the terminal number, then stops The handling of this call.
  • the incoming notification module drives hands-free/ringing ringing, or/and vibrator vibration
  • Step 905 the user sees the main number displayed on the display, confirms to accept the call, presses the off-hook button, and the central processing unit connects the call processing module with the subscriber line, connects the call channel, and sends the call to the fixed telephone network. Machine signal.
  • Step 906 The fixed telephone network connects to the corresponding call channel.
  • Step 907 The calling user and the user of the converged terminal start a call.
  • the operation code when sending a short message, starts with the special service number and the short message, and then the short message center number and the short message content; when receiving the short message, the fixed network end office switch
  • the terminal sends the calling number, the short message service center number, the called number, and then the short message receiving time and the short message content.
  • the terminal identifies the short message as the short message service center number, not the voice call.
  • the mobile terminal in the embodiment of the present invention can access the converged network by using the existing analog subscriber line, and can integrate the fixed telephone network communication and the mobile network communication technology, and fully utilize the current large-scale two-line analog subscriber telephone line to access the converged network.
  • the relative infinity of fixed communication network resources and the flexibility of mobile network wireless communication enable efficient and convenient communication.

Description

移动终端 技术领域
本发明涉及通信领域， 尤其涉及一种移动终端。 背景技术
随着电信网、 广播电视网和互联网的不断发展， 目前已经提出了将这 三个网络进行融合的想法， 并且正在不断发展三网融合技术， 通过融合这 三个网络， 能够实现三网彼此间的互联互通、 资源共享， 为用户提供话音、 数据和广播电视等多种服务。 实际上， 三网融合的实质是三网业务的融合， 而业务的融合最终必然体现在终端上， 所以针对三网融合的趋势如何设计 出合理的终端将称为三网融合能否实现的重要因素。
随着移动通信系统通信业务规模的不断扩大， 移动通信资源 （无线频 谱） 的有限性对移动通信系统容量的制约已经显现出来， 业界已考虑并着 的固定电话网络资源， 提高移动通信系统的容量及用户的体验。
另一方面， 随着社会的发展， 人们的环保意识也在逐渐加强， 越来越 多的人意识到无线电波对人体健康的危害； 同时， 对于相当多的移动用户， 在大多数情况下都会处于存在固定电话网络的环境中， 也不需要进行移动 通信， 例如， 当用户在办公室或者在家里， 虽然用户身边有座机， 并且也 携带了手机， 但是呼叫该用户的其他用户并不一定能够知道该用户所处的 环境是否有座机， 因此在与该用户进行通信时仍然会呼叫该用户的手机， 这显然会浪费资源并且会对环境和人体造成不必要的损害。
但是， 目前的移动终端无法利用更加环保的有线通信方式进行通信， 因此对于上述问题尚未提出有效的解决方案。 发明内容
针对相关技术中移动终端无法利用有线通信方式进行通信而导致通信 时资源浪费严重、 对人体和环境损害大的问题， 本发明提出了移动终端， 能够利用有线通信方式进行通信。
本发明的技术方案是这样实现的：
根据本发明的一个方面， 提供了一种移动终端， 包括中央处理器、 固 网接入控制模块、 双音多频处理模块、 通话处理模块、 移动通信模块和电 子开关模块。
具体地， 所述固网接入控制模块， 与所述中央处理器相连接， 包括模 拟用户线接口， 用于连接终端与模拟用户线， 并在模拟用户线与所述模拟 用户线接口相连接的情况下， 通知所述中央处理器所述移动终端与固定电 话网络相连接； 所述双音多频处理模块， 与所述中央处理器相连接， 用于 识别来自所述模拟用户线的选择信号， 并将该选择信号发送给所述中央处 理器， 以及将来自所述中央处理器的选择信号发送至所述模拟用户线； 所 述通话处理模块， 用于提取所述模拟用户线上的话音信号、 并将该语音信 号发送至所述移动终端的音频输出设备播放， 以及将来自用户的话音信号 发送至所述模拟用户线； 所述移动通信模块， 用于基于无线网络实现所述 移动终端与外界的通信； 所述中央处理器， 用于处理来自所述双音多频处 理模块的信令， 将需要经由用户线的信令发送所述双音多频处理模块， 并 且用于在所述固网接入控制模块通知所述移动终端与固定电话网络相连接 的情况下控制电子开关模块关闭所述移动通信模块的射频功能。
该移动终端可以进一步包括： 铃流处理模块， 与所述中央处理器相连 接， 用于识别来自所述模拟用户线的铃流信号， 并将所述铃流信号对应的 振铃发送给所述中央处理器。
并且， 该移动终端可以进一步包括： 信号音处理模块， 与所述中央处 理器相连接， 用于识别来自所述模拟用户线的信号音， 并将所述信号音信 息发送给所述中央处理器。
并且， 所述中央处理器还用于根据所述双音多频处理模块接收到的来 话呼叫的被叫终端标识确定所述铃流信号对应的呼叫的被叫终端是否为所 述移动终端， 并在确定结果为是的情况下控制所述移动终端进行呼叫提示。
此外， 所述电子开关模块还用于在所述中央处理器的控制下， 使得所 述双音多频处理模块、 所述通话处理模块、 所述铃流处理模块中的至少一 个与所述模拟用户线相连接。
并且， 所述中央处理器用于在所述移动终端接入到所述固定电话网络 的情况下， 控制所述电子开关模块将所述铃流处理模块与所述模拟用户线 相连接。
并且， 所述中央处理器用于在所述移动终端需要进行通话的情况下， 控制所述电子开关模块将所述通话处理模块与所述模拟用户线相连接。
此外， 该移动终端还包括音频输入 /出模块， 其中， 所述通话处理模块 用于将用户通过所述音频输入模块产生的话音信号发送给所述模拟用户 线， 并将来自所述模拟用户线的话音信号发送给所述音频输出模块。
进一步地， 所述电子开关模块还用于在所述中央处理器的控制下， 使 得所述音频输入 /出模块与所述通话处理模块或所述中央处理器相连接。
优选地， 所述中央处理器为以下之一： 基带处理器、 中央处理单元。 借助于本发明的上述技术方案， 通过对移动终端进行改造， 设置用于 信令处理、 话音信号处理、 与模拟用户线连接的功能模块， 使得移动终端 能够接入并驻留在固定电话网络， 并且能够经由模拟用户线与固定电话网 络进行话音信号的交互、 信令（包括短消息） 的交互， 从而对移动终端实 现了移动通信与固定电话网通信的融合， 能够在保留移动通信功能的基础 上， 增加了有线通信的功能， 从而减少无线电波辐射对人体健康和环境的 危害， 节约了无线资源。 附图说明
图 1是根据本发明实施例的移动终端的结构框图；
图 2是根据本发明实施例的融合终端中的固网接入控制模块的示意图； 图 3是根据本发明实施例的融合终端的具体结构框图；
图 4是根据本发明实施例的融合终端空闲时接入固定电话网络的处理 流程图；
图 5是根据本发明实施例的融合终端通话时接入固定电话网络的处理 流程图；
图 6是根据本发明实施例的融合终端空闲时离开固定电话网络的处理 流程图；
图 7是根据本发明实施例的融合终端通话时离开固定电话网络的处理 流程图；
图 8是根据本发明实施例的接入固定电话网络的融合终端发起呼叫处 理的流程图；
图 9是根据本发明实施例的接入固定电话网络的融合终端终接收呼叫 处理的流程图。 具体实施方式
为了克服现有技术中移动终端无法利用有线通信方式进行通信而导致 通信时资源浪费严重、 对人体和环境损害大的问题， 本发明考虑到目前的 固定电话网络技术比较完善， 网络覆盖较为全面， 并且网络的规模仍旧在 不断发展和扩大等因素， 提出通过对移动终端进行改造， 使得移动终端能 够接入并驻留在固定电话网络， 并且能够经由模拟用户线与固定电话网络 进行话音信号的交互、 信令（包括短消息） 的交互， 从而对移动终端实现 了移动通信与固定电话网通信的融合， 能够在保留移动通信功能的基础上， 增加了有线通信的功能， 从而减少无线电波辐射对人体健康和环境的危害， 减少了无线资源的浪费。
下面结合附图对本发明进行详细说明。
图 1 是根据本发明实施例的移动终端的结构框图， 如图 1所示， 包括 中央处理器 1、 固网接入控制模块 2、 双音多频处理模块 3、 通话处理模块 4、 移动通信模块 5和电子开关模块 6, 其中，
固网接入控制模块 2 , 与中央处理器 1相连接， 包括模拟用户线接口， 用于在模拟用户线与模拟用户线接口相连接的情况下， 通知中央处理器 1 移动终端与固定电话网络相连接， 还用于在模拟用户线与模拟用户线接口 断开连接的情况下， 通知中央处理器 1控制移动终端与固定电话网络断开； 双音多频处理模块 3 , 与中央处理器 1相连接， 用于识别来自模拟用户 线的选择信号， 并将这些选择信号信息发送给中央处理器 1 , 以及将来自中 央处理器 1的选择信号发送至模拟用户线；
通话处理模块 4,用于将来自模拟用户线的话音信号送音频输出模块播 放， 以及将来自用户的话音信号发送至模拟用户线；
移动通信模块 5 , 用于基于无线网络实现移动终端与外界的通信； 中央处理器 1 , 用于处理来自双音多频处理模块 3的信令， 将需要经由 网络传输的信令发送双音多频处理模块 3， 并且用于在固网接入控制模块 2 通知移动终端与固定电话网络相连接的情况下控制电子开关模块 6 关闭移 动通信模块 5的射频收发功能， 其中， 中央处理器 1为以下之一： 基带处 理器、 中央处理单元；
铃流处理模块 (图 1中未示出）， 与中央处理器 1相连接， 用于识别来 自模拟用户线的铃流信号， 并将铃流信号对应的振铃发送给中央处理器 1。
信号音处理模块（图 1中未示出）， 与中央处理器 1相连接， 用于识别 来自模拟用户线的信号音， 并将信号音信息发送给中央处理器 1。
音频输入 /出模块（话筒和听筒）（图 1 中未示出）， 其中， 通话处理模 块 4用于将用户通过话筒输入的话音信号发送到模拟用户线， 并将来自模 拟用户线的话音信号发送给听筒。
其中， 中央处理器 1 还用于根据来话呼叫的被叫终端标识确定铃流信 号对应的呼叫的被叫终端是否为本移动终端， 并在确定结果为是的情况下 控制移动终端进行呼叫的后续处理。
电子开关模块 6还用于在中央处理器 1 的控制下， 使得双音多频处理 模块 3、通话处理模块 4、铃流处理模块中的至少一个与模拟用户线相连接。 具体地， 中央处理器 1 用于在移动终端接入到固定电话网络的情况下， 控 制电子开关模块 6将铃流处理模块与模拟用户线相连接； 中央处理器 1用 于在移动终端需要进行通话的情况下， 控制电子开关模块 6将通话处理模 块 4与模拟用户线相连接； 中央处理器 1用于在移动终端通话的情况下， 控制电子开关模块将音频输入 /出模块与通话处理模块相通。
由于根据本发明的上述移动终端融合了固定电话网络通信和移动网通 信的功能， 因此， 下文中将本发明的移动终端也称为融合终端。
图 2是根据本发明实施例的融合终端中的固网接入控制模块的示意图， 主要是用户线插头的形状及其与终端的连接方法。 插头的形状可以有多种， 例如， 按键开关可由插头顶部控制等， 插孔的位置可以设置在融合终端的 下部。 通过固网接入控制模块， 一方面可以把融合终端内部的 ab线与固定 电话网络的模拟用户线相连， 进而把融合终端与固定电话网络通过模拟用 户线连接起来， 另一方面， 融合终端也可以及时检测到插头的插入和拨出， 并通知中央处理器用户线的连接和断开， 从而启动接入和退出处理逻辑。
如图 2所示， 用户线插头为一圓柱型， 左上部为插头竖切截面， 右上 部为插头横切截面， 下部为融合终端插孔内相应的部件。 插头外层 21外部 为一层金属壳， 用以连接用户线的 a线； 插头内层 22中心为一金属芯， 用 以连接用户线的 b线； 绝缘层 23用于以分隔 ab两线； 凹槽 24与凸头 27 配合。 当插头插入插孔内后， 凸头卡在凹槽内， 防止插头轻易滑落； 三个 触点 25、 26和 27位于插孔内， 分别对应融合终端内的 b线、 连接检测开 关、 终端内 a线； 其中， 触点 25和 27为金属触点， 插头推入后， 即可将 终端内 ab线与外部用户线相连； 弹簧触点开关 28可以在插头插入后， 在 触点 26的推动下接通低电平， 以此通知中央处理器插头的插入； 在插头未 插入时， 弹簧触点开关 28接通高电平， 以向中央处理器表示插头未插入。
本发明所述实现移动终端与固定终端的融合 (也称融合终端 ), 利用固 定通信网络中现有的模拟用户线进行通信的装置包括 MS (移动融合终端， 也称融合终端）、 固定电话网络和移动通信网络。
图 3是根据本发明实施例的融合终端的具体结构框图， 如图 3所示， 融合终端具有两个接口， 一为无线， 二为用户线。 无线接口上的信令和现 有技术中移动终端与移动通信网络的无线接口完全相同， 这里不再赘述； 用户线接口与现有技术中模拟固定电话机与固定电话网络之间的接口基本 相同， 除了以下几个方面： 无论是融合终端接入融合网络， 还是融合终端 发起呼叫， 其在用户线上发送的号码均包括一个特殊服务号码、 本终端号 码（主叫号码）， 以及相应的操作码， 以向融合网络指明服务请求来自融合 终端、 发起服务请求的融合终端实例、 以及所请求的服务。
为实现融合终端利用固网接入， 并进行通信的目标， 特设置一个融合 终端的固网特服号码 (融合终端通过固定电话网络接入融合网络的特服号 码）。 由于融合终端通过固定电话网络可以实现三个功能： 一是注册， 即通 知网络侧， 融合终端正在通过固定电话网络的某用户端口接入； 二是呼叫， 即融合终端通过网络的用户线接入时， 仍可获得与移动接入时同样的通话 服务； 三是呼叫转入， 即在融合终端通话时， 可在移动接入和固定接入之 间切换； 四为短消息发送， 即通过固网发送短消息。 为区分这四个功能， 可以设置四个操作码。 这样， 如果普通固定电话利用此端口发起呼叫， 则 其逻辑处理与现有技术完全相同； 如果是融合终端发起呼叫， 则先拨入特 服号码， 随之以相应的操作码， 以便融合网络激活相应的处理。 当然， 特 服号码及操作码的拨入均由融合终端自动完成， 用户的操作方法与现有技 术下移动用户使用移动终端进行通信的操作方法完全相同。
如图 3 所示， 融合终端由移动通信模块、 固话处理模块和公共部分构 成。 其中， 振动器、 显示器、 键盘、 话筒、 听筒、 免提 /铃声均是现有移动 终端设备中的必备输入 /出模块， 在融合终端中， 为移动通信模块和固话处 理模块共用； 中央处理器可以是现有移动终端中的 （数字）基带处理器， 也可以是单独的 CPU (中央处理单元）， 如上网本中的 CPU, 用以总体控制 融合终端的行为。 其中， 移动通信模块在中央处理器的控制下完成现有技 术中的移动通信功能， 并在中央处理器的控制下， 可以打开和关闭移动通 信模块的射频收发功能。
融合终端的固话处理模块由固网接入控制模块、 信令处理模块、 通话 处理模块组成； 信令处理模块又由 DTMF/FSK处理模块、 信号音处理模块 和铃流处理模块组成。 在融合终端内， 空闲时铃流处理模块与 ab线 (即用 户线）相连， 通话时用户线直流环路接通， 通话处理模块与 ab线相通。 融 合终端内所有这些模块均在中央处理器的统一控制下协调工作， 完成固定 电话网络接入模式下的通话处理。
通话处理模块可在中央处理器的控制下接通或断开其与 ab线的连接， 以实现和结束语音通信； 实现 2/4线转换、 消侧音、 语音信号的放大以及接 收与发送语音信号。 通话处理模块与移动通信模块共用听筒、 话筒模块， 所以它对这些模块的输入 /出必须满足相应的技术要求， 必要时需做相应的 信号转换。
固网接入控制模块可及时检测用户插头的插入和拨出， 并通知中央处 理器用户线的连接和断开， 从而启动接入和退出处理逻辑。
信令处理模块在中央处理器的控制下， 实现融合终端与融合网络之间 的所有信令交互功能， 其中的三个子模块均可以在中央处理器的控制下接 通或断开其与 ab线的连接。
具体地， 铃流处理模块可以在中央处理器的控制下接通或断开其与 ab 线的连接。 在融合终端空闲时， 铃流处理模块总与 ab线相连， 以时刻监视 ab线上可能出现的铃流。 在作为被叫的用户按下摘机键后， 铃流处理模块 在中央处理器的控制下， 断开与 ab线的连接； 同时， 在中央处理器的控制 下， 接通用户线环路， 使通话处理模块与 ab线相通， 以开始通话。 通话结 束， 用户按下挂机键， 中央处理器即控制接通铃流处理模块与 ab线相连， 同时断开用户线环路。 此外， 铃流处理模块的主要任务是从线路上识别铃 流信号， 并且在线路上有铃流信号时， 向中央处理器报告铃流的出现， 以 便中央处理器控制免提 /铃声发出铃声或 /和驱动振动器产生振动。
信号音处理模块的作用是识别线路上的拨号音、 回铃音、 忙音等音信 号， 并向中央处理器报告它们的出现。
DTMF/FSK处理模块一方面是融合终端作为主叫发起呼叫时， 把来自 中央处理器的相关号码数字转换为 DTMF/FSK信号发往用户线，另一方面， 当铃流处理模块检测到铃流后， DTMF/FSK 即开始监听并识别用户线上可 能出现的主叫号码的 DTMF/FSK 信号， 并将他们送往中央处理器。 DTMF/FSK还负责短消息的数据收发。
一对模拟用户线可以连接多个不同的上述移动终端， 不同融合终端之 间以各自的电话号码区分。 哪一台融合终端做主叫， 则去话呼叫的主叫号 码即是该融合终端对应的用户号码。 其他用户将哪一台融合终端的号码作 为被叫， 则只有那一台被叫的融合终端振铃。 融合终端接入网络所占用的 用户线端口， 仍可对应于一个固定电话号码， 其行为逻辑与其他普通端口 无异； 该端口作为被叫时， 如果端口上尚接有固定电话， 则固定电话亦被 振铃。 如用固定电话作为主叫发起呼叫， 则主叫号码为端口对应的固定电 话号码， 使用方法与现有技术完全相同。
下面结合具体流程， 对本发明实施例的融合终端的功能与工作过程进 行详细说明。
图 4是根据本发明实施例的融合终端空闲时接入固定电话网络的处理 流程图， 如图 4所示， 包括以下处理：
步骤 401 , 将用户线插头插入到融合终端的用户线插孔后， 融合终端中 的固网接入控制模块检测到这一事件， 并向中央处理器报告这一事件； 中 央处理器控制电子开关连通用户环路， 将 DTMF/FSK处理模块与用户线相 连接， 中央处理器启动固定电话网络接入逻辑处理。
步骤 402, 融合终端中接通了用户环路， 固定电话网络中的用户接口电 路即可以向用户线环路供电， 固定电话网络检测到该供电， 即为摘机， 也 就是说， 融合终端向固定电话网络发出摘机事件， 并等待网络侧的应答。
步骤 403 , 中央处理器将信号音处理模块与用户线相连接， 等待固定电 话网络发送的响应， 如拨号音。
步骤 404, 固定电话网络检测到摘机事件后， 即启动呼叫处理， 验证网 络侧与该用户线相连接的端口的属性（例如， 该端口是否可用， 是则继续 下述处理， 否则流程结束， 向融合终端送忙音）， 分配此次呼叫所需的其他 资源 （例如内存、 线程等）。
步骤 405 , 固定电话网络向融合终端发送拨号音信号。
步骤 406, 融合终端的信号音处理模块识别出拨号音信号， 并通知中央 处理器已收到拨号音信号， 以使中央处理器执行后续的接入操作； 中央处 理器从 SIM卡中读取本机号码、 特服号码（用以标识融合终端业务）和注 册操作码， 并将上述这些号码发送给 DTMF/FSK模块。
步骤 407, DTMF/FSK模块将本机号码、特服号码和注册操作码转换为 DTMF/FSK信号， 通过用户线发送给固定电话网络。
步骤 408,固定电话网络对接收到的号码分别进行分析，通过特服号码， 确定该终端为融合终端， 通过注册操作码， 确定后续的操作为处于空闲状 态的融合终端接入到固定电话网络的接入处理； 之后， 固定电话网络和移 动通信网络共同执行融合终端的固定电话网络接入处理， 将该终端的本机 号码添加到固网中相应接入端局交换机的用户端口的数据中， 并将该融合 终端现在的服务位置记录在移动网络的 VLR、 HLR、 MSC中。
步骤 409 , 固定电话网络和移动通信网络完成了融合终端的接入操作 后， 由固定电话网络中本融合终端接入的端局交换机向融合终端所在用户 端口发送回铃音信号， 通知融合终端固定电话网络的接入已经成功； 融合 终端的信号音处理模块检测到回铃音信号， 向中央处理器报告已收到回铃 音信号。
步骤 410〜步骤 411, 融合终端的中央处理器指示移动通信模块，通过空 口向移动通信网络启动位置更新流程， 以确认融合终端的固定电话网络接 入情况， 其中， 该位置更新流程与现有技术的位置更新流程相同， 这里不 再赘述。
步骤 412, 融合终端关闭移动通信模块的射频收发功能， 不再收发无线 电波， 并释放为本次接入所分配的资源， 进入固定电话网络接入工作模式。
步骤 413 , 融合终端断开用户线环路， 向固定电话网络中本终端接入的 端局交换机发送挂机信号， 并将铃流处理模块与用户线相连接， 进入固定 电话网络接入模式， 优选地， 在中央处理器的控制下， 可以断开融合终端 内的所有其他模块与用户线的连接。
其中， 上述步骤 410〜步骤 411为可选步骤。
图 5是根据本发明实施例的融合终端通话时接入固定电话网络的处理 流程图， 如图 5所示， 包括以下处理：
步骤 501 , 将用户线插头插入到融合终端的用户线插孔后， 融合终端中 的固网接入控制模块检测到这一事件， 并向中央处理器报告这一事件； 中 央处理器控制电子开关连通用户环路， 将 DTMF/FSK处理模块与用户线相 连接， 中央处理器启动固定电话网络转入逻辑处理。
步骤 502, 融合终端中接通用户环路， 固定电话网络中的用户接口电路 即可以向用户线环路供电， 固定电话网络检测到该供电， 即为摘机， 也就 是说， 融合终端向固定电话网络发出摘机事件， 并等待网络侧的应答。 步骤 503 , 中央处理器将信号音处理模块与用户线相连接， 等待固定电 话网络发送的响应， 如拨号音。
步骤 504, 固定电话网络检测到摘机事件后， 即启动呼叫处理， 验证网 络侧与该用户线相连接的端口的属性（例如， 该端口是否可用， 是则继续 下述处理， 否则流程结束）， 分配此次呼叫所需的其他资源 （例如内存、 线 程等）。
步骤 505 , 固定电话网络向融合终端发送拨号音信号。
步骤 506, 融合终端的信号音处理模块识别出拨号音信号， 并向中央处 理器报告该拨号音信号的到达， 以使中央处理器执行后续的接入操作， 中 央处理器从 SIM卡中读取本机号码、 特服号码（用以标识融合终端业务） 和转入操作码， 并将上述这些号码发送给 DTMF/FSK模块。 其中， 中央处 理器中设置有状态机， 以识别所需执行的操作， 向固定电话网络发送注册 操作码， 或转入操作码， 或启呼操作码。
步骤 507, DTMF/FSK模块将本机号码、特服号码和转入操作码转换为 DTMF/FSK信号， 通过用户线发送给固定电话网络。
步骤 508,固定电话网络对接收到的号码分别进行分析，通过特服号码， 确定该终端为融合终端， 通过转入操作码， 确定后续的操作为处于通话状 态的融合终端接入固定电话网络的转入处理； 之后， 固定电话网络和移动 通信网络共同完成该融合终端的此次固定电话网络转入处理， 将该终端的 本机号码添加到固网接入端局交换机的接入端口的数据中， 并将该融合终 端现在的服务位置记录在移动通信网络的 MSC、 HLR、 VLR中。
步骤 509, 固定电话网络的接入端局交换机向融合终端发送回铃音， 通 知融合终端固定电话网络的接入已经成功； 融合终端的信号音处理模块检 测到回铃音信号， 并向中央处理器报告回铃音信号已收到。
步骤 510〜步骤 511, 融合终端的中央处理器指示移动通信模块，通过空 口向移动通信网络启动位置更新流程， 以确认融合终端的固定电话网络接 入情况， 其中， 该位置更新流程与现有技术的位置更新流程相同， 这里不 再赘述。
步骤 512, 网络侧处理完融合终端的接入后， 端局交换机停止向终端发 送回铃音， 以示可以继续通话， 融合终端检测到回铃音的停止， 关闭移动 通信处理模块的射频收发功能， 不再收发无线电波， 并释放本次接入所分 配的资源， 进入固定电话网络接入工作模式。
步骤 513 , 融合终端在中央处理器的控制下， 将通话处理模块与用户线 相连接， 融合终端进入固定电话网络接入模式， 固定电话网络和融合终端 完成了转入处理， 移动通信网络把通话话路切换到由固定电话网络的端局 交换机、 用户线、 融合终端连成的有线话路上， 双方通过固定电话网络继 续通话。
其中， 上述步骤 510〜步骤 511为可选步骤。
图 6是根据本发明实施例的融合终端空闲时离开固定电话网络的处理 流程图， 即用户线插头从空闲状态的融合终端上拔下后的处理流程图， 如 图 6所示， 包括以下处理：
步骤 601 , 将用户线插头从处于空闲状态的融合终端上拔下后， 融合终 端的固网接入控制模块检测到用户线插头的拔下， 通知中央处理器， 中央 处理器指示移动通信处理模块开启射频收发功能， 启动位置更新处理流程。
步骤 602〜步骤 604 , 融合终端向移动通信网络发送位置更新请求 ( LU UODATE REQ ) ,移动通信网络接收该位置更新请求，将终端在网络 中的位置信息由固定电话网络更改为移动通信网络。 并向融合终端发送位 置更新响应 （ LU— UPDATE— CONFIRM ) 消息， 完成融合终端的位置更新。 其中， 该位置更新过程与现有技术的位置更新过程相同， 这里不再赘述。
步骤 605 , 融合终端进入移动接入模式。
图 7是根据本发明实施例的融合终端通话时离开固定电话网络的处理 流程图， 即用户线插头从通话状态的融合终端上拔下后的处理流程图， 如 图 7所示， 包括以下处理：
步骤 701 , 将用户线插头从处于通话状态的融合终端上拔下后 (例如, 用户在通话状态下， 从融合终端上拨下用户线， 如果用户没有按下挂机键， 呼叫将保持， 用户可继续通话）， 融合终端的固网接入控制模块检测到用户 线插头的拔下， 中央处理器指示移动通信处理模块开启射频收发功能， 启 动位置更新处理流程。
步骤 702〜步骤 704, 融合终端向移动通信网络发送位置更新请求， 移 动通信网络接收该位置更新请求， 将终端在网络中的位置信息由固定电话 网络更改为移动通信网络， 并向融合终端发送位置更新响应消息， 完成融 合终端的位置更新， 同时保持融合终端先前的通话。 其中， 该位置更新过 程与现有技术的位置更新过程相同， 这里不再赘述。
步骤 705 , 移动通信网络与融合终端建立语音承载， 并将通话切换到该 承载上， 具体地， 移动通信网络与融合终端协作建立由空口及移动通信网 络中相应的无线接入设备 (如 BS、 BSC , MSC)参与的语音承载， 并将通话 切换到该语音承载上。
图 8是根据本发明实施例的接入固定电话网络的融合终端发起呼叫处 理流程图， 如图 8所示， 包括以下处理：
步骤 801 , 用户拨对方的号码， 按摘机键（与融合终端在移动接入模式 下的操作相同）后， 中央处理器控制电子开关连通用户环路，将 DTMF/FSK 处理模块与用户线相连接， 向固定电话网络发出摘机信号； 然后， 中央处 理器控制电子开关将信号音处理模块与用户线相连接 , 等待网络侧的应答。
步骤 802, 固定电话网络检测到摘机事件后， 启动呼叫处理， 向融合终 端发送拨号音信号。
步骤 803 , 融合终端的信号音处理模块识别出拨号音信号， 并向中央处 理器报告收到拨号音。 中央处理器执行后续的呼叫操作， 从 SIM卡中读取 本机号码、 特服号码（用以标识融合终端业务）、 启呼操作码， 并将上述这 些号码和被叫号码发送给 DTMF/FSK模块； DTMF/FSK模块将特服号码、 启呼操作码、 本机号码和被叫号码转换为 DTMF/FSK信号， 通过用户线发 送给固定电话网络。 同时， 将连通音频输入 /出模块、 通话处理模块、 用户 线。
步骤 804, 固定电话网络对主叫号码和被叫号码进行号码分析， 启动融 合终端固定电话网络接入的去话启呼处理（该过程与现有技术类似， 这里 不再赘述），之后， 网络侧向被叫终端振铃后， 向融合终端发送回铃音信号。
步骤 805 , 被叫摘机， 固定电话网络停止向融合终端发送回铃音信号。 步骤 806, 用户听到回铃停止后， 即可通过融合终端与被叫用户进行通 话。
可选地， 在图 8所示的流程中， 中央处理器也可以在步骤 801后的任 一步骤中将通话处理模块与用户线相连接， 形成通话环路。
图 9 是根据本发明实施例的接入固定电话网络的融合终端终接收呼叫 处理的流程图， 如图 9所示， 包括以下处理：
步骤 901, 被叫融合终端的来话呼叫到达网络侧的接入端局交换机后， 局端交换机确认融合终端所在端口空闲后， 向融合终端所连接的用户线发 送铃流， 即， 固定电话网络向融合终端发送铃流信号。
步骤 902,根据本发明实施例图 5所示的流程， 融合终端接入固定电话 网络工作后， 会将铃流处理模块与用户线相连接， 如果固定电话网络向用 户线发送铃流， 融合终端的铃流处理模块就会识别出该铃流， 并将该铃流 信号的到达信息报告中央处理器； 中央处理器启动来话呼叫处理， 将 DTMF/FSK处理模块与用户线相连接。
步骤 903 , 固定电话网络将主叫号码和被叫号码通过 DTMF/FSK模块 发给融合终端。
步骤 904, 融合终端将接收到的被叫号码与自己的终端号码相比较， 如 果被叫号码与本终端号码相同， 则将主叫号码发送给融合终端的显示器进 行显示， 并启动来话通知模块 (驱动免提 /铃声振铃， 或 /和振动器振动）， 通 知来话的到达， 进行到步骤 905 ; 如果被叫号码与本终端号码不相同， 则停 止对此次呼叫的处理。
步骤 905 , 用户看到显示器显示的主要号码， 确认接受本次呼叫， 则按 下摘机键， 中央处理器将通话处理模块与用户线相连接， 接通通话话路， 向固定电话网络发送摘机信号。
步骤 906, 固定电话网络接通相应的通话话路。
步骤 907 , 主叫用户和融合终端的用户开始通话。
对于短消息的收发功能的实现， 发送短消息时， 以特服号码、 短消息 发送操作码开始，其后才是短消息中心号码，短消息内容； 接收短消息时， 固网端局交换机向终端发送主叫号码、 短消息服务中心号码、 被叫号码， 然后是短消息接收时间、 短消息内容。 终端以短消息服务中心号码识别是 短消息， 而不是话音呼叫。
本发明实施例中的移动终端， 利用现有模拟用户线接入融合网络， 能 够融合固定电话网络通信与移动网络通信技术， 通过目前大规模的二线模 拟用户电话线接入融合网络， 从而充分利用固定通信网络资源的相对无限 性和移动网络无线通信的灵活性， 有效、 方便地进行通信。
以上所述仅为本发明的较佳实施例而已， 并不用以限制本发明， 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. 一种移动终端， 其特征在于， 包括中央处理器、 固网接入控制模块、 双音多频处理模块、 通话处理模块、 移动通信模块和电子开关模块， 其中， 所述固网接入控制模块， 与所述中央处理器相连接， 包括模拟用户线 接口， 用于连接终端与模拟用户线， 并在模拟用户线与所述模拟用户线接 口相连接的情况下， 通知所述中央处理器所述移动终端与固定电话网络相 连接；
所述双音多频处理模块， 与所述中央处理器相连接， 用于识别来自所 述模拟用户线的选择信号， 并将该选择信号发送给所述中央处理器， 以及 将来自所述中央处理器的选择信号发送至所述模拟用户线；
所述通话处理模块， 用于提取所述模拟用户线上的话音信号、 并将该 语音信号发送至所述移动终端的音频输出设备播放， 以及将来自用户的话 音信号发送至所述模拟用户线；
所述移动通信模块， 用于基于无线网络实现所述移动终端与外界的通 信；
所述中央处理器， 用于处理来自所述双音多频处理模块的信令， 将需 要经由用户线的信令发送所述双音多频处理模块， 并且用于在所述固网接 入控制模块通知所述移动终端与固定电话网络相连接的情况下控制电子开 关模块关闭所述移动通信模块的射频功能。
2. 根据权利要求 1所述的移动终端， 其特征在于， 进一步包括： 铃流处理模块， 与所述中央处理器相连接， 用于识别来自所述模拟用 户线的铃流信号， 并将所述铃流信号对应的振铃发送给所述中央处理器。
3. 根据权利要求 1所述的移动终端， 其特征在于， 进一步包括： 信号音处理模块， 与所述中央处理器相连接， 用于识别来自所述模拟 用户线的信号音， 并将所述信号音信息发送给所述中央处理器。
4. 根据权利要求 2所述的移动终端， 其特征在于， 所述中央处理器， 还用于根据所述双音多频处理模块接收到的来话呼叫的被叫终端标识， 确 定所述铃流信号对应的呼叫的被叫终端是否为所述移动终端， 并在确定结 果为是的情况下控制所述移动终端进行呼叫提示。
5. 根据权利要求 1所述的移动终端， 其特征在于， 所述电子开关模块， 还用于在所述中央处理器的控制下， 使得所述双音多频处理模块、 所述通 话处理模块、 所述铃流处理模块中的至少一个与所述模拟用户线相连接。
6. 根据权利要求 5所述的移动终端， 其特征在于，
所述中央处理器， 还用于在所述移动终端接入到所述固定电话网络的 情况下， 控制所述电子开关模块将所述铃流处理模块与所述模拟用户线相 连接。
7. 根据权利要求 5所述的移动终端， 其特征在于，
所述中央处理器， 还用于在所述移动终端需要进行通话的情况下， 控 制所述电子开关模块将所述通话处理模块与所述模拟用户线相连接。
8. 根据权利要求 1至 7中任一项所述的移动终端， 其特征在于， 还包 括音频输入模块， 和音频输出模块； 其中，
所述通话处理模块， 还用于将用户通过所述音频输入模块产生的话音 信号发送给所述模拟用户线， 并将来自所述模拟用户线的话音信号发送给 所述音频输出模块。
9. 根据权利要求 8所述的移动终端， 其特征在于， 所述电子开关模块， 还用于在所述中央处理器的控制下， 使得所述音频输入 /出模块与所述通话 处理模块或所述中央处理器相连接。
10. 根据权利要求 1至 7中任一项所述的移动终端， 其特征在于， 所述 中央处理器为以基带处理器、 或中央处理单元。
PCT/CN2011/071160 2010-09-06 2011-02-22 移动终端 WO2012031469A1 (zh)

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