CN2478294Y - Telephone - Google Patents

Abstract

The utility model relates to a can to upper telephone set, which comprises a has wire circuit, the has wire circuit a telephone set controller control. the telephone set which comprises a network circuit, the network parts a network controller control, the in the telephone set controller and the network controller through a interface circuit are connected.

Description

A kind of telephone set

The present invention relates to the wire telephone field, relate in particular to a kind of telephone set that can be used for surfing the Net.

The world today, the Internet is more and more universal, and predictably, will become an indispensable part in a lot of people's lives.Present network access has two kinds usually: a kind of is to utilize the common computer online; A kind of is by mobile phone, utilizes the online of WAP browser.But common computer is bulky, costs an arm and a leg, and uses loaded down with trivial details, and utilize the restriction of mobile phone online existence owing to mobile phone itself, for example keyboard is little, feasible online trouble (when especially editing short message), browse inconvenience (screen is too little), speed is slow, and the expenses of surfing Internet height.

Therefore, first purpose of the present invention provides a kind of low price, the device that networking speed is fast.

Second purpose of the present invention provides simple, the device easily of surfing the Net of a kind of use.

In order to realize above purpose, the invention provides a kind of telephone set, comprise: the telephone set microcontroller, and the telephone receiver that links to each other with the telephone set microcontroller, and telephone keyboard, it is characterized in that described telephone set also comprises a network browsing controller that links to each other with the telephone set microcontroller, and user interface circuit that links to each other with the network browsing controller and online interface circuit.

The present invention also provides a kind of method of singly-bound online, and the method comprising the steps of: the user is by next singly-bound; Phone panel button controller detect this singly-bound be pressed and be converted into specific ASCII character after give the network browsing controller; The network browsing controller is according to the message initiated specific application program of this keyboard.Be to be that example is described described singly-bound internet access method in the detailed description of this specification back, but those skilled in the art can be easy to apply it to PDA, in the device such as set-top box with the telephone that can surf the Net.

The present invention also provides a kind of telephone set, comprises wired controller for telephone and the online control device that links to each other with the telephone device, it is characterized in that described network browsing Controlled CPU comprises that is used for an interface that is connected with common PC keyboard.

The present invention also provides a kind of telephone set, further comprises being used for the device of memory communicating book, and can directly send call or send Email from address book.

The present invention also provides a kind of telephone set, it is characterized in that comprising an IP button, and comprise IP account number and password storage device, described phone function places plain old telephone call mode or IP call mode according to the state of IP button by phone, and sends automatically down to the IP account number that the major general stored at the IP call mode.

The present invention also provides a kind of automatic selection online route method, comprises step: judging whether can be by the online of first network interface circuit; If can not then select by the online of second network interface by the online of first network interface circuit.

Because the present invention utilizes common wire telephone online, thus cheap, and because be telephone, so expenses of surfing Internet is cheap.Again because on telephone set of the present invention, can comprise singly-bound function of surfing the Net and can external common PC keyboard, so simple to operate, easy to use.

To be described in detail preferred implementation of the present invention referring to accompanying drawing below.

Fig. 1 is the structured flowchart according to the telephone set of a preferred embodiment of the present invention;

Fig. 2 is the theory diagram according to the phone part of a preferred embodiment of the present invention;

Fig. 3 a is the theory diagram according to the network browsing part of a preferred embodiment of the present invention;

Fig. 3 b is the more detailed theory diagram according to the network browsing part of a preferred embodiment of the present invention;

Fig. 4 is according to the interface circuit between the phone micro-control unit MCU of a preferred embodiment of the present invention and the network browsing control central processing unit CPU;

Fig. 5 is the theory diagram according to the modulator-demodulator of a preferred embodiment of the present invention;

Fig. 6 is the total operational flowchart according to the telephone set of a preferred embodiment of the present invention;

Fig. 7 is the flow chart according to the singly-bound online of a preferred embodiment of the present invention.

Fig. 1 is the theory diagram according to the telephone set of a preferred embodiment of the present invention; As shown in Figure 1, telephone set of the present invention comprises conversation part and network browsing part.The conversation part generally includes a microcontroller, is used for controlling the operation of telephone set, for example dialing, number demonstration etc.Network browsing partly generally includes a central processing unit CPU.In an embodiment of the invention, conversation part and network browsing part can realize with any suitable prior art.Main points of the present invention are to utilize the interface between telephone set microcontroller and the network browsing CPU to come in the communication that realizes between telephone set and the web browser, thereby telephone set and network browsing are combined.Communication between microcontroller and the CPU can be adopted any existing communication mode, comprising: simplex, duplex communication; Parallel communications, serial communication etc.In telephone set of the present invention, because the traffic between microcontroller and the CPU is not very big, neither be very high to the requirement of speed, in order to reduce cost, preferably adopt serial communication.For have aspect speed and the cost one relative compromise preferably, in a preferred embodiment of the present invention, the serial duplex communication is adopted in the communication between microcontroller and the CPU.The specific implementation of also will preferred implementation according to the present invention in the back of this specification describing the serial duplex communication.

When phone of the present invention adopts the modulator-demodulator mode to surf the Net, the talking path of telephone set can not work simultaneously (when having only a telephone wire) if online is adopted different circuits with conversation then be not limited; When adopting the local area network (LAN) mode to surf the Net, the talking path of telephone set is not influenced by online.

Fig. 2 is the theory diagram according to the telephone set of a preferred embodiment of the present invention; As shown in the figure, telephone set microcontroller of the present invention comprises a micro controller unit MCU, talking path module (for example receiver speaking circuit and hand-free circuit and speech amplifying circuit), incoming call detection module (for example FSK comes power detection circuit and DTMF to come power detection circuit), dialing keyboard, dial-up circuit, picking/hanging machine detection circuit and ring detecting circuit, the circuit that has usually in the conventional telephone sets such as condition indication circuit.According to a preferred embodiment of the present invention, telephone set of the present invention also comprises the communication interface modules between telephone set microcontroller and the network browsing Controlled CPU and also comprise the quick keyboard circuit of online (comprising said singly-bound online key in this specification) on dialing keyboard.As shown in Figure 4, preferred implementation of the present invention at all, communication interface modules comprises communication control circuit and photoelectric isolating circuit.Detailed description is also done with communication interface modules in back at this specification.

According to preferred implementation of the present invention, the microcontroller of telephone set is to major general's input that quick keyboard produced of surfing the Net, and the state of telephone set is notified to the network browsing Controlled CPU by communication interface circuit.Best, the microcontroller of telephone set is also with the one or more network browsing Controlled CPU that send in the following message: the detected caller ID of caller identification circuit, thereby make telephone set of the present invention not only can show caller ID, can also show name or title in back that the telephone number of being deposited in caller identification number and the telephone set address book is compared, even can adopt different ring back tones at specific number; The telephone number that the user transferred to makes the user can know several that transferred to recently like this, 10 telephone numbers for example, and make the user can set the telephone number that restriction is transferred to, for example the pay telephone number of various costlinesses; FSK comes the detected signal of power detection circuit.

According to preferred implementation of the present invention, the microcontroller of telephone set receives one or more the following message from the network browsing controller CPU: the network browsing controller is according to the selection about ring back tone of caller ID notice; The number that the user selects from address book; The index signal that the user is surfing the Net; And the indication of transfering to particular number about restriction.

In a word, because the network browsing Controlled CPU owing to can use a large amount of memories, can write down a lot of information: comprise telephone set caller ID (comprise and connect and do not connect), dial the number and be responsible for stored record that CPU can manage and speed dialling it by CPU.CPU can pass through the direct Outgoing Call of address book, suppresses the incoming call ring, sends different ringing tones according to the rank or the classification of incoming call.

Fig. 3 a is the schematic diagram according to the network browsing part of preferred implementation of the present invention.Shown in Fig. 3 a, the network browsing of telephone set of the present invention partly comprises a central processing unit CPU, the memory that links to each other with central processing unit CPU, Subscriber Interface Module SIM, display module, online interface module.Fig. 3 b is the more detailed schematic diagram according to the network browsing part of preferred implementation of the present invention.Shown in Fig. 3 b, Subscriber Interface Module SIM can be common PC keyboard, for example a QUERT keyboard.In other execution mode of the present invention, some singly-bound online operation keyss can be set on common PC keyboard again.But described later as this specification, in optimum execution mode of the present invention, the common panel of singly-bound online operation keys and telephone set together.Subscriber Interface Module SIM can also comprise mouse and handwriting pad or the like.Keyboard preferably is connected with central processing unit CPU by the PS/2 interface with mouse, and handwriting pad preferably is connected with CPU by serial ports.In preferred implementation of the present invention, all these interface arrangements preferably connect in the mode of plug and play.

The online interface module is mainly used in the interface of finishing with internet or intranet etc.Shown in Fig. 3 b, the online interface module can be a modulator-demodulator that is used for by dialling up on the telephone, a Broadband Network Interface that is used for by local area network (LAN) online.According to other execution modes of the present invention, the online interface module also can provide an ADSL network interface by dialling up on the telephone, perhaps the isdn interface by the ISDN online.In addition, in order to further facilitate user's operation, in a preferred embodiment of the present invention, telephone set of the present invention also has the function of automatic selection network access.Preferably judge whether earlier and can surf the Net,, then select Ethernet interface if can surf the Net by Ethernet interface by Ethernet interface; Otherwise select to use phone port to dial up on the telephone.Implementation method is in detail: under the situation of selecting automatic network access, in each startup browser, whether system at first detects Ethernet and exist, and the method for detection is: CPU writes some data to the transmitter register of ether interface earlier, and CPU detects the transmit status register then, if the data that send also exist, show that data do not send, Ethernet does not exist or is obstructed, if the data that send do not exist, show that data send, Ethernet exists.If Ethernet exists, the configuration of using Ethernet is utilized the Ethernet online; Otherwise, use the modem dialup online.All network configuration have all prepared Ethernet and dialing in advance according to user's selection in system start-up.For the configuration of dialing,, then use this configuration if the dialing configuration of downloading from the website is arranged: otherwise the dialing configuration of using the user in network configuration, to dispose.Is obvious about how to dispose and how to use user's oneself network configuration from website download dialing to those of ordinary skill in the art, is not described in detail at this.In other execution mode of the present invention, telephone set of the present invention can maybe can only be surfed the Net by dialing by the Ethernet interface online, maybe can only surf the Net the then unnecessary process that automatic selection network access is arranged by other a certain mode.

Refer again to the execution mode of Fig. 3 b, modem circuit is connected with CPU by a serial interface circuit, and ethernet interface circuit is connected with CPU by an Ethernet control circuit.

Display module can be various suitable display modes (for example being applicable to any way of current video telephone).Shown in Fig. 3 b, in a preferred embodiment of the invention, what show usefulness is the large-screen LCD demonstration of 240x128.

Memory module is mainly used to store various kinds of data and program.Under the preferable case, as shown in Figure 3, memory module comprises the ROM memory, FLASH memory and DRAM memory.The ROM memory can be used for preserving the program of curing and various default settings etc.The FLAH memory be used for preserving can be defined by the user content, communication address book for example is to definition of the following singly-bound function key that will describe etc.The DRAM memory is mainly used to preserve the content of required interim storage in user's various settings and the program operation process temporarily.For the ease of the upgrading of system, can replace the ROM memory with the FLASH memory.

Fig. 4 is according to the telephone set microcontroller of preferred implementation of the present invention and the communication interface circuit between the network browsing Controlled CPU.According to preferred implementation of the present invention, telephone set microcontroller and network browsing Controlled CPU communicate with serial mode, are electrically connected to take photoelectricity to isolate.For effective isolation of guarantee to converse part and network browsing system, on circuit design, also the electric current for network browsing CPU is isolated fully with the electric current of power supply words.

As shown in Figure 4, communication interface modules between telephone set microcontroller and network browsing Controlled CPU is such: the interface between network browsing Controlled CPU and the telephone set microcontroller adopts asynchronous serial port, have two data wires, two circuits of interface all adopt photoelectricity to isolate, and isolation level is a Transistor-Transistor Logic level.

In preferred implementation as shown in Figure 4, the network browsing Controlled CPU is that model is the microprocessor by the production of ALI company of ALIM6117C.The microcontroller of telephone set is that model is the telephone set single-chip microcomputer of P87C52.Serial port chip is st16c552, and it is the EPLD programmable logic device of EPM7032SLC44 that model is adopted in the logic control of communication.

The SD0 of M6117C is connected respectively to the D0 of st16c552 to D6 to SD7.The SA0 of M6117C is connected respectively to the A0 of st16c552 to A2 to SA2.The IORJ of M6117C and IOWJ are connected respectively to IOW and the IOR of st16c552.The IRQ3 of M6117C and IRQ4 are connected respectively to INTA and the INCTB of st16c552.The TXD of st16c552 is connected to the P3.0 of P87C52 by photodiode 1.The RXD of st16c552 is connected to the P3.1 of P87C52 by photodiode 2.

The CSA of st16c552 and CSB signal are produced according to IOR between st16c552 and the M6117C and IOW by the EPLD programmable logic device.The network browsing Controlled CPU is by serial port chip st16c552, buffer circuit and telephone set micro-controller communications, the serial signal that the telephone set microcontroller is sent through buffer circuit to the serial ports process chip, serial port chip go here and there and change after become SD0 SD7 digital signal, send host CPU, total line traffic control is therebetween coordinated by control line IOW, IOR, SA0, SA1, SA2, and interruption controls IRQ3, IRQ4 finishes.Otherwise the parallel signal that the network browsing Controlled CPU is sent is given string and conversion chip and is carried out and go here and there becoming serial signal after the conversion, gives the telephone set microcontroller after passing through photoelectric isolating circuit.

In fact, those skilled in the art can be generalized to above-mentioned interface circuit and comprise three parts, i.e. photoelectricity isolated part; String and conversion portion; And logic control part.The photoelectricity isolated part is used to realize the electrical isolation of telephone set conversation part and last mesh portions, conversion portion is used to realize the conversion of parallel signal and serial signal, because the section processes of surfing the Net generally speaking be parallel signal and telephone set conversation section processes be serial signal, be necessary so go here and there and change; Logic control partly is used for realizing receiving and send data mutually with correct sequential.In preferred implementation of the present invention, in order to simplify logic control, reduce cost, adopt the logic control of asynchronous communication.

According to preferred implementation, the communication speed of this interface circuit is 1.2KBPS, adopts the full duplex transmitted in both directions.The data format of host CPU and the communication of phone part is the mode of 8+1, promptly uses a start bit, and 8 data bit transmit a byte.The agreement of host CPU and the communication of phone part adopts the structure of 4+4, and promptly high 4 of each byte of Chuan Songing is type mark, and low 4 is valid data.Type mark represents that what data is the data of transmitting are, for example is the telephone number of caller identification, or the user transfers to the telephone number that goes.Valid data are represented concrete data.Obviously, skilled in the art will recognize that how to adopt other suitable data structure.

In addition, according to the instruction of this specification, those of ordinary skill in the art can not need any creative work just to design other mouthful circuit that connects.

Fig. 5 is the circuit theory diagrams of the modulator-demodulator of preferred enforcement of the present invention.Wherein DAA partly carries out signal modulation and impedance matching, and DSP partly carries out signal processing, and MCU realizes the communication with host CPU.This MODEM can realize data communication, voice suggestion and record, caller identification and picture and text transmission.

Fig. 6 has described the overall work flow chart of telephone set of the present invention.Beginning of flow process is that system is carried out initialization, comprises whether the work that detects each module is normal, and the guiding user is provided with necessary parameter etc.Enter message circulation afterwards, if receive bell signal or user pick up the telephone machine microphone, press Hands-free key, selected a telephone number etc. from address book, then enter phone operation, this moment, optimum system choosing shielded user's request of surfing the Net relevant, promptly do not do response or point out the user to converse now, also can point out the user whether to hang up the telephone by force, carry out network and connect.If the user asks online, then the request by the user enters corresponding website.

For example, according to a preferred embodiment of the present invention, telephone set has the caller identification circuit.If telephone set then of the present invention is received incoming call, the caller identification circuit will detect incoming call and give the telephone set microcontroller with incoming call.The telephone set microcontroller is given the network browsing Controlled CPU with this number again, the network browsing Controlled CPU will be searched this telephone number whether in address book, if, the network browsing Controlled CPU will show the pairing name of this telephone number on display, and if the user returns this telephone number and is provided with specific ring back tone, then the network browsing Controlled CPU is also controlled ringing circuit and is sent this specific ring back tone.

Fig. 7 is user's a singly-bound online flow chart.Easy to operate for the user, telephone set according to the present invention is provided with a plurality of singly-bounds online keys, enters for example sending and receiving short messages, stock inquiry and E-mail receiver/send etc. respectively.According to preferred implementation of the present invention, the user can define the function of these singly-bound online keys.According to the present invention, in memory, disposed the functional configuration table of singly-bound online key.According to an embodiment of the invention, allocation list comprises the address entries of key definition item and pairing network address at least, and is as shown in the table:

The key code	Network address
		01	wapsite.chinalb.com
02	Wap.stockstar.com

Suppose that then the user clicks the stock singly-bound, its pairing key code is 01, and then this telephone set will make the user browse the station http://wap.stockstar.com. of StarNet of security

Telephone set of the present invention is stored in allocation list in the flash memory.

Be that example describes net operation on the singly-bound with the singly-bound sending and receiving short messages below.The user at first presses singly-bound online key, the network browsing Controlled CPU is checked the pairing function of online singly-bound that the user presses then, in this example, controller checks out that the pairing function of online singly-bound is to carry out sending and receiving short messages, and then controller judges whether telephone set is connected on the net, if, controller directly calls the sending and receiving short messages module, and directly begin to download from the Internet short message, afterwards, the user can read short messages or editor's short message and transmission.The user handles short message and can select to withdraw from, and also can directly enter into other on-line module.If the user selects to withdraw from, the network browsing Controlled CPU preferably makes telephone set be connected with the network disconnection, thereby makes the user by the telephone wire online can utilize circuit to make a phone call to wait other purposes.

According to a preferred embodiment of the present invention, the detailed process that key is handled is as follows: the user is by next singly-bound; The telephone set microcontroller detect this singly-bound be pressed and be converted into specific ASCII character after give the network browsing controller; The network browsing controller is according to the message initiated specific application program of this keyboard.According to other execution mode of the present invention, the network browsing controller is converted to the step of corresponding QWERTY keyboard message according to the step of the message initiated specific application program of this keyboard ASCII character that this is special that also comprises the network browsing controller.At the two keyboards of telephone set band of the present invention, promptly have under the situation of the telephone keypad of singly-bound online key and Standard PC keyboard, the message unification of telephone keypad is converted into the management that QWERTY keyboard message can simplified message.In addition, those of ordinary skill in the art will be understood that though be that example is described described singly-bound internet access method with the telephone that can surf the Net, those skilled in the art can be easy to apply it to PDA here, in the device such as set-top box.

The employed browser technology of telephone set according to the present invention will be described below.In order to make the phone function satisfy general online demand, and reduce cost, so telephone set of the present invention is not the browser technology that adopts among the general PC, the NETSCAPE of the IE of Microsoft and Netscape for example, but adopted WAP browser or the EHTML browser in the mobile phone.At present, surfing Internet with cell phone all is to use the GSM net, its data rate has only 9.6kbps, the browser of relative mobile phone, browser on the telephone faster on the speed of browsing (reaching 33.6-56kbps), and the display interface of the browser on the telephone can be more much bigger than the display interface of mobile phone.In addition, can also utilize the Ethernet interface online according to telephone set of the present invention, thereby can support sub-district broadband access network mode, access speed will reach 10Mbps.

Before describing telephony recording backwash of the present invention and telephony recording to send out mail, address book in the telephone set of the present invention is described earlier.General telephone set can only number storing, remembers pairing people of this number or Business Name by user oneself then.And stored number is limited.Simultaneously store name and telephone number in the mobile phone of prior art, but can only deposit a telephone number, say nothing of and deposited the address of Email.Telephone set of the present invention can be stored a plurality of numbers simultaneously under single title, and can comprise e-mail address, even can also comprise address.According to preferred implementation of the present invention, the user is if selected a telephone number or e-mail address and affirmation, and then this telephone set will dial or call automatically electronic mail processing program automatically, thereby can user friendly greatly work.According to a preferred embodiment of the present invention, the storage format of address book is such: comprise name, and the birthday, landline telephone, mobile phone is notified from a phone call Email, postcode, address.Address book is stored in the flash memory, thus even outage can not cause losing of address book data yet, all data based certain sequential storage, the user can also sort by the requirement of oneself in use; According to a preferred embodiment of the present invention, maximum can be stored about 200 information, and can increase as required.According to other execution mode of the present invention, each of address book back can also comprise an incoming call ring back tone designator, thereby sends ring back tone according to the ring back tone designator receiving when having the incoming call of this pairing telephone number.The user can be by browsing address book by an address book button.Can enter editing mode or initiate communication after finding a specific name.According to the present invention, can also allow between the telephone number of being deposited, to add control character, for example * or # number etc., telephone set of the present invention will make an explanation to these control characters according to definition in advance, for example waits for a period of time etc.

Next address book backwash method will be described.The address list backwash refers to the user finds telephone number in address book after, as long as by confirming that telephone set then just begins the technology that dials automatically.In the mobile phone of prior art, similar techniques is arranged, but can not directly be used in the common telephone, because plain old telephone has direct off-hook and hands-free difference.According to an embodiment of the invention, the user selects a telephone number and confirms in address book after, whether telephone set of the present invention will at first check user's off-hook, if off-hook not, telephone set of the present invention will be placed hands-free way automatically, and telephone number is sent.

Address book is described below sends out mail technique.The user in address book, choose an addresses of items of mail after, by determining key, telephone set of the present invention can start network function automatically, and downloads the webpage of sending out mail, fills out this addresses of items of mail automatically at the address of the addressee place; Then, the user can write concrete mail, or starts the mail that the selection of mail module has editted, and sends then.

Relatively pc machine and mobile phone are sent out mail, and telephone set of the present invention is not to adopt the smtp mode, but utilize the fixedly webpage on the fixing website to send mail.

Telephone set of the present invention also provides a kind of automatic selection technology of dialing.According to the present invention, on the keyboard of telephone set, comprise an IP talk button, if the direct off-hook of user or by hands-free represents that then the user wants to beat plain old telephone, telephone set is worked by the mode of conventional telephone set; If the user has pressed the IP button, represent that then the user will beat IP phone.In this case, the telephone set microcontroller places hands-free way with telephone set, and the user is supressed this information of IP key is notified to the network browsing Controlled CPU.The network browsing Controlled CPU checks in the FLASH memory whether stored the IP account number, if there is not the storing IP account number, then allows telephone set by common mode work.If stored account number, then the network browsing controller sends to the telephone set microcontroller with account number, and then sends automatically.After sending the IP account number, then check whether stored the password of IP account number simultaneously, if not storage, then then work by the mode of plain old telephone, otherwise password is sent automatically, the user imports telephone number at last and gets final product, can directly import, also can import by address book.

In other embodiments, the IP button is a shift knob, promptly clicks to be in a state, clicks another state that is in again.And also provide a state indicating device simultaneously, for example the height state of indicator light or button.The user can preestablish the state of telephone set like this, promptly is plain old telephone mode or IP phone mode.The telephone set microcontroller is preferably notified the network browsing Controlled CPU immediately with the state of telephone set.Thereby the user will make a phone call at every turn, and all automatic detected state of telephone set of the present invention also takes appropriate steps.Whether for example, if the user has initiated a calling from address book, then the network browsing Controlled CPU will check that telephone set is in plain old telephone talking mode or IP phone talking mode, and detect user's off-hook, if then telephone set is not placed hands-free way.If be in the plain old telephone mode, then directly send telephone number, send telephone number again otherwise send IP account number and password earlier.It will be apparent to those skilled in the art that the IP talk key can be replaced by a call mode key.

In each above execution mode, though under the preferable case, the telephone ' s faceplate button comprises that singly-bound online key and IP key etc. are controlled by the telephone set microcontroller.But also can control, even can control by telephone set microcontroller and network browsing Controlled CPU respectively by the network browsing Controlled CPU.According to above instruction, those of ordinary skill in the art will readily appreciate that how this realizes other execution mode.

The concrete execution mode of above reference has been described the present invention, but the present invention obviously is not limited to top disclosed concrete form.Those of ordinary skill in the art can do various variations according to top instruction in claims institute restricted portion of the application, improve and revise.

Claims (4)

1. telephone set, comprise wired speaking circuit, described cable modem telephone circuit is subjected to a telephone set microprocessor controls, it is characterized in that described telephone set also comprises a network browsing circuit, described network browsing is controlled by a network browsing controller partly, and wherein said telephone set microcontroller links to each other by a communication interface circuit with described network browsing controller.

2, telephone set as claimed in claim 1 is characterized in that described communication interface circuit comprises a photoelectric isolating circuit that links to each other with described network browsing controller.

3, telephone set as claimed in claim 2, it is characterized in that described communication interface circuit also comprises a serial/parallel change-over circuit that is connected between described change-over circuit and the described photoelectric isolating circuit, and the logic controller that links to each other with change-over circuit of while and telephone set microcontroller.

4, as claim 1,2 or 3 telephone set, it is characterized in that described telephone set microcontroller is that model is the single-chip microcomputer of P87C52, the model of described network browsing controller is ALIM6117C, described serial/parallel conversion chip is ST16C552, and described logic controller is that model is the programmable logic device of EPM7032SLC44.

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