CN1284347C - Telephone set with the functions of both local calls and network calls and its implementation - Google Patents
Telephone set with the functions of both local calls and network calls and its implementation Download PDFInfo
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- CN1284347C CN1284347C CN 03105050 CN03105050A CN1284347C CN 1284347 C CN1284347 C CN 1284347C CN 03105050 CN03105050 CN 03105050 CN 03105050 A CN03105050 A CN 03105050A CN 1284347 C CN1284347 C CN 1284347C
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Abstract
The present invention provides a telephone set with the functions of both common local calls and network calls and an implementation method thereof. The telephone set comprises a traditional telephone circuit module, an RJ11 port, a USB port, a USB port controller module, a multifunction user circuit interface module, an intelligent switching control circuit module, a ring/off-hook and on-hook detection circuit module and a function conversion key. Whether the telephone set is used as the calling party or the called party is judged by the intelligent switching control circuit module, and whether the telephone is applied to a PSTN network connected with the RJ 11 port or is applied to an IP network connected with the USB port is judged; thus, a corresponding network side circuit is switched on to realize the call of the PSTN network or the IP network. The present invention can call or receive the telephone on the IP network, and can call or receive the telephone on the PSTN network; the using method is as convenient and simple as that of the traditional telephone.
Description
Technical field
The present invention relates to the communication terminal device technical field, be meant a kind of telephone set and its implementation especially with common local telephone network and function of network phone.
Background technology
It is that speech exchanges that people exchange the most direct mode, and the appearance of phone is a revolution, draws people's interchange distance very closely, and the modern history that has had more than 100 year of distance appears in black phone, and great contribution has been made in progress of human society.
In recent years, the Internet development is very fast, is changing the every aspect of people's life, and the new business of carrying out on its basis also emerges in an endless stream.IP telephone service claims network telephone service again, and promptly the speech business that transmission has certain service quality on IP network is one of new business on the Internet.Now, using IP phone has been a widely known thing.Usually said IP phone mainly contains following three kinds of implementations:
1) utilizes the existing resource of traditional common service telephone network (PSTN), before telephone number, add and dial special access code, account number and password, insert IP network by traditional phone line.Use this mode, can not break away from original telephone line, and will dial very long a string number, use extremely inconvenience, only can dial toll telephone on this basis, cost of the phone call is the long-distance cost that city telephone rate adds IP phone.
2) utilize the existing resource of computer, as input-output equipment, the keyboard that uses a computer is dialled the other side's telephone number or IP address, by means of computer software, carries out point-to-point Internet phone-calling with microphone, audio amplifier.Use this mode and require the user must grasp the use of computer, do not meet people and normally make telephonic custom.
3) application specific designs the dedicated network phone of producing for Internet phone-calling, though this phone has imitated the application form of black phone, its maximum shortcoming is that price is more expensive, be difficult to be accepted by the general user, and the online telephone service of incompatible traditional PSTN.
From the angle of technological progress, though the application of IP phone belongs to the stage at the early-stage, its growth momentum is very swift and violent, and the communication mode generation of traditional PSTN net is impacted.Along with the progress and the development of IP telephony technology, its development prospect is very wide, and the well-known manufacturer of world's network communication field is all good to IP phone market, and is increasing input and stepping up to develop the product of this respect.
At present, China is also not open fully to the IP phone operation, though black phone operator can only provide aforesaid first kind of implementation by conventional telephone line, but believe the foreseeable future, have more operator various IP telephone access mode is provided, as: insert form, terminal adapter (CableModem) access form etc. by ADSL (Asymmetric Digital Subscriber Line) (ADSL) high speed access form, Local Area Network.But it is the same with black phone convenient to lack a kind of using method on the market, not only the phone of tradition (PSTN) can be dialed or receive but also the telephone set of IP network phone can be dialed or receive, both can obtain simultaneously the guarantee of the speech quality and the reliability of traditional PSTN net, can enjoy the IP phone expense of cheap material benefit again, and the two mutual telephone set of conflict not.
Summary of the invention
In view of this, the invention provides a kind of telephone set and its implementation with common local telephone network and function of network phone, this telephone set not only can be used to dial or receive the phone of traditional PSTN network, can also be used to dial or receive the IP network phone, and using method is the same with black phone convenient.
Technical scheme of the present invention is achieved in that in order to achieve the above object
A kind of telephone set with common local telephone network and function of network phone, comprise black phone circuit module and the local telephone network side ports that links to each other with the telecommunication bureau local telephone, this telephone set at least also comprises USB (USB) port that links to each other with IP network by computer, the USB port controller module, multi-functional line circuit interface module, intelligence control switching circuit module, ring/picking/hanging machine detection circuit module and conversion function key, described USB port is by the USB port controller module, multi-functional line circuit interface module links to each other with intelligent control switching circuit module, described black phone circuit module, conversion function key links to each other with intelligent control switching circuit module respectively with the local telephone network side ports, and described ring/picking/hanging machine detection circuit module links to each other with multi-functional line circuit interface module with intelligent control switching circuit module.
Preferably, at least comprise cpu control circuit and commutation circuit in the described intelligent control switching circuit module, commutation circuit is under the control of cpu control circuit, make the local telephone network side ports that links to each other with the telecommunication bureau local telephone be in conducting state, or make multi-functional line circuit interface module, USB port controller module and USB port be in conducting state.
Preferably, described multi-functional line circuit interface module is an integrated circuit.
Preferably, this telephone set comprises that further the indication telephone set is in the function key indicator light of IP network operating state, and this indicator light links to each other with the black phone circuit module.
The telephone set that a kind of application has common local telephone network and a function of network phone realizes dialing or receiving the method for traditional local telephone network and IP network phone, and this method comprises:
Be provided with one and be used for the conversion function key that the user is switched selection common service telephone network or IP network;
Telephone set is during as caller, after intelligence control switching circuit module judges that conversion function key is in the state of connecting the common service telephone network, with the circuit module and the conducting of local telephone network side ports of control common service telephone network, realize the conversation of local telephone network side, and the circuit of IP side is changed to the simulation off hook state; After intelligent control switching circuit module judges that conversion function key is in the state of connecting IP network, with the circuit module and the USB port conducting of control IP side, realize the IP conversation, and the circuit of common service telephone network side is changed to the simulation off hook state;
Telephone set is when called, intelligence control switching circuit module identification local telephone network side ring/picking/hanging machine detection circuit module effectively after, with the circuit module and the conducting of local telephone network side ports of control common service telephone network, realize the conversation of local telephone network side, and the circuit of IP side is changed to the simulation off hook state; When the identification of intelligent control switching circuit module be network side ring/picking/hanging machine detection circuit module effectively after, circuit module and USB port conducting that will control IP side realize that IP converses, and the circuit of common service telephone network side are changed to the simulation off hook state.
Preferably, the described circuit module that will control the common service telephone network and the conducting of local telephone network side ports and the step that the circuit of IP side is changed to the simulation off hook state comprised: connect network side simulation dislodging machine circuit module, black phone circuit module and commutation circuit; The described circuit module that will control the IP side and USB port conducting also comprise the step that the circuit of common service telephone network side is changed to the simulation off hook state: connect network side ring/picking/hanging machine detection circuit module, the local telephone network side form is intended dislodging machine circuit module, black phone circuit module, multi-functional line circuit interface module, USB port controller module and commutation circuit.
Preferably, adopt transfer relay as commutation circuit.
Preferably, described intelligent control switching circuit module is by the testing result of the photoelectrical coupler in the ring/picking/hanging machine detection circuit module of identification local telephone network side and network side, carries out corresponding control.
Preferably, this method further comprises: after using this telephone set talk-through on-hook, all circuit modules reset into idle condition.
Preferably, when common service telephone network side and IP side had the phone incoming call simultaneously, common service telephone network side priority treatment or go into first processing was earlier no longer simulated off-hook to correspondent not and is handled.
Preferably, when not conversing or use the conversation of common service telephone network, telephone set extracts power supply from the circuit of traditional common service telephone network, and when using the IP network conversation, telephone set extracts power supply from the computer USB interface.
Preferably, when the computer that links to each other with the USB port of this telephone set links to each other with IP network, telephone set can be used for traditional common service telephone network or IP network, and when the computer that links to each other with the USB port of this telephone set did not link to each other with IP network, this telephone set was applied to traditional common service telephone network.
Use the present invention, in conventional telephone set, set up the modules such as USB port, USB port controller module, multi-functional line circuit interface module, intelligent control switching circuit module, ring/picking/hanging machine detection circuit module and conversion function key that link to each other with computer, not only can be used to dial or receive the phone of traditional PSTN net, can also dial or receive the phone of IP network, but also can obtain the assurance of black phone speech quality and reliability, enjoy the cheap expense of IP phone; The present invention adopts very lagre scale integrated circuit (VLSIC), and the telephone circuit that IP side conversation is required is integrated on the device as circuit such as user interface circuit functional circuit BORSCHT commonly used and Dual Tone Multifrequency receiver, tone generators, makes compact conformation; Because this telephone set adopts USB port to be connected with computer, but plug and play is easy for installation, succinctly and the computer that need not interrupt moving.
Use the present invention, solved and do not changed the black phone occupation mode, do not change under the condition of conventional telephone line, in office or family, insert large quantities of users of IP network with local area network (LAN) or broadband networks, must dial or receive the problem of the networking telephone by means of computer, simultaneously, telephone set of the present invention also can organically combine three kinds of IP phone described in the background technology and black phone, promptly, both having can be used as black phone uses, can be used as first kind of IP phone based on black phone again uses, also can be used as the IP phone of using by keyboard input telephone number or IP address based on computer software, also can provide service by IP phone operator as a special I P phone.When using the IP network phone, both sides exempt from cost of the phone call.Therefore, we can say that the present invention is a very practical personal communications terminal, still occupy an leading position that today that the networking telephone is in the ascendant, the present invention is a kind of desirable selection at black phone.
Description of drawings
Fig. 1 is the application schematic diagram of telephone set of the present invention;
Fig. 2 is the circuit principle structure figure of telephone set of the present invention;
Fig. 3 is the circuit theory diagrams of telephone set of the present invention;
Fig. 4 detects switching flow figure for using microcontroller of the present invention;
Fig. 5 is the application module flow chart when using telephone set of the present invention as caller;
Fig. 6 is for using the application module flow chart of telephone set of the present invention when called.
Embodiment
For make purpose of the present invention, technical scheme, and advantage clearer, below with reference to the accompanying drawing embodiment that develops simultaneously, the present invention is described in more detail.
Figure 1 shows that the application schematic diagram of telephone set of the present invention.On this telephone set one port (RJ11 port) that links to each other with the telecommunication bureau local telephone is connected to telecommunication bureau's exchange subscriber circuit port by ordinary telephone line, utilizes the PSTN net to realize Plain Old Telephone Service; Another USB port that links to each other with computer by USB cable be connected to one with computer that IP network links to each other on, corresponding driving module and application module are set on this computer, realize network telephone service.And, also be provided with one on this telephone set and be used for IP network and PSTN nets mutual translation function for translation key 101, and this telephone set of indication works in the function key indicator light 102 of IP network state, when the function key indicator light is bright, represent that this telephone set is just working in the IP network side, when the function key indicator light goes out, represent that this telephone set works in the PSTN network side or is in idle condition.
Telephone set of the present invention is a communication terminal device, does not need external power supply, and when not conversing or use PSTN Netcom words, its power supply extracts from the PSTN circuit, and when using the IP network conversation, its power supply extracts from the computer USB interface.
With computer shutdown that USB port links to each other the time, telephone set of the present invention satisfies the telephone communication requirement of PSTN net fully, identical with the application mode of an ordinary telephone set, with computer booting that USB port links to each other the time, telephone set of the present invention can select to be applied to the traditional PSTN net or IP network is conversed.That is to say that no matter whether the computer that links to each other with this telephone set USB port links IP network, all functions of black phone all can realize, not be affected.
The following stated is the computer booting that links to each other with USB port and the state when linking to each other with IP network.
Fig. 2 is the circuit principle structure figure of telephone set of the present invention.In the present embodiment, intelligence control switching circuit module 202 is microcontrollers of the low-power consumption PIC of Microchip company series, this microcontroller comprises cpu control circuit 202A and commutation circuit 202B two parts, the function that therefore has real-time monitoring and IP network and PSTN net are switched; In the black phone circuit module 204, comprise that ringing circuit, dislodging machine circuit, microphone, microphone, speech treatment circuit and DTMF etc. can realize all parts of black phone function; In the multi-functional line circuit interface module 207, comprise versatile interface circuit module, multi-functional subscriber line circuit module, dtmf receiver module and tone generator module etc., and these circuit modules are integrated on the integrated circuit (IC device), therefore, multi-functional line circuit interface module can realize all BORSCHT functions, promptly DC power supply feed function, overload protection function, to subsets ringer function, signaling measuring ability, codec capability, hybrid circuit function, test circuit function; USB port controller module 206, its function are to finish communicating by letter between subscriber line circuit speech pulse code modulation (pcm) stream and the computer, again multi-functional line circuit interface module 207 are done initialization setting and control simultaneously.
As shown in Figure 2, when using this telephone set exhalation, intelligent control switching circuit module 202 judges that by the state that detects conversion function key 203 which bar line holding is effective, if the function conversion key is in the state of connecting the PSTN net, the PSTN net side busy line that then links to each other with the RJ11 port is effective, cpu control circuit 202A control commutation circuit 202B in the intelligence control switching circuit module 202 connects black phone circuit module 204 and RJ11 port, cpu control circuit module 202A also connects black phone circuit module 204 simultaneously, realizes the conversation of PSTN network side; If the function conversion key is in the state of connecting IP network, the IP network side busy line that then links to each other with USB port is effective, cpu control circuit 202A control commutation circuit 202B in the intelligence control switching circuit module 202 connects multi-functional line circuit interface module 207 and USB port controller module 206, and then the USB port that links to each other with IP network of connection, cpu control circuit 202A also connects black phone circuit module 204 and function key indicator light 205 simultaneously, realizes the conversation of IP network side.When this telephone set of phone incoming call, it is effective which bar line holding photoelectrical coupler in ring/picking/hanging machine detection circuit module 201 detects, and discern testing result by the cpu control circuit 202A in the intelligent control switching circuit module 202, and the corresponding module of control connection, to realize the conversation of corresponding network.
Figure 3 shows that the circuit theory diagrams of using telephone set of the present invention.
When using this telephone set, the user carries out local telephone network when breathing out, user's off-hook, because PIC controller module 306 default conditions are that PSTN network side off-hook is effective, the IP network side form is intended off-hook, be that PIC controller module 306 is connected ring/picking/hanging machine detection circuit module 301 and simulation dislodging machine circuit module 309, the contact 1 and the static contact 1-1 of transfer relay, contact 2 and static contact 2-1 adhesive, connect the PSTN net, the black phone circuit is a speech processing circuit module 303 simultaneously, dtmf dialing circuit module 304 and ringing circuit module 305 also are switched on, this moment, the user heard PSTN side dialing tone, dial-in direct, conversation, on-hook gets final product.After user's on-hook, PIC controller module 306 discharges the control of the IP side form being intended dislodging machine circuit module 309 after detecting PSTN side ring/picking/hanging machine detection circuit module 301 connection inefficacies, and all modules and transfer relay all restore, and get back to idle condition.
Carry out IP phone when breathing out when the user uses this telephone set, be divided into again before the off-hook by behind conversion function key and the off-hook by two kinds of situations of conversion function key.
If user elder generation off-hook, because PIC controller module 306 default conditions are that PSTN side off-hook is effective, the IP network side form is intended off-hook, and then the user at first hears the dialing tone that the PSTN side is sent.After the user presses conversion function key 307, the function key indicator light brightens by going out and indicates this telephone set to be in the IP network state, be that PIC controller module 306 discharges the control to ring/picking/hanging machine detection circuit module 301 and simulation dislodging machine circuit module 309, the coil 314 of ring/picking/hanging machine detection circuit module 308 and simulation dislodging machine circuit module 302 and transfer relay is connected in control simultaneously, the contact 1 and the dynamic contact 1-2 adhesive of transfer relay, contact 2 and dynamic contact 2-2 adhesive, connect versatile interface circuit module 313, SI3210 type subscriber line circuit module 312 and TJ560 type USB port controller module 311, and then connection IP network, USB port is also connected feed circuit module 310 simultaneously, the black phone circuit is a speech processing circuit module 303, dtmf dialing circuit module 304 and ringing circuit module 305 still are switched on, this moment, the user heard IP side dialing tone, dial-in direct, conversation, on-hook gets final product.After user's on-hook, PIC controller module 306 discharges the control of the PSTN side form being intended dislodging machine circuit module 302 after detecting IP side ring/picking/hanging machine detection circuit module 308 inefficacies, and all modules and transfer relay all restore, get back to idle condition, the function key indicator light is gone out by bright change.
If press conversion function key 307 before user's off-hook, then the function key indicator light brightens by going out and indicates this telephone set to work in the IP network state, it is effective that PIC controller module 306 is controlled IP network side off-hook at this moment, the PSTN side form is intended off-hook, ring/picking/hanging machine detection circuit module 308 and simulation dislodging machine circuit module 302 are connected in i.e. control, and the coil 314 of connection transfer relay, make the contact 1 and dynamic contact 1-2 adhesive of transfer relay, contact 2 and dynamic contact 2-2 adhesive, connect versatile interface circuit module 313, SI3210 type subscriber line circuit module 312 and TJ560 type USB port controller module 311, and then connection IP network, USB port is also connected feed circuit module 310 simultaneously, the black phone circuit is a speech processing circuit module 303, dtmf dialing circuit module 304 and ringing circuit module 305 still are switched on, this moment the user off-hook, hear IP side dialing tone, dial-in direct, conversation, on-hook gets final product.After user's on-hook, PIC controller module 306 discharges the control of the PSTN side form being intended dislodging machine circuit module 302 after detecting IP side ring/picking/hanging machine detection circuit module 308 inefficacies, and all modules and transfer relay all restore, get back to idle condition, the function key indicator light is gone out by bright change.
When this dual-port telephone set of phone incoming call, detect respectively by the photoelectrical coupler in module 301 and the module 308 at first that the PSTN side has the phone incoming call or the IP side has the phone incoming call, discern testing result and carry out corresponding control by the cpu control circuit in the PIC controller module 306 again.If the RJ11 port of PSTN side incoming call, be that ring/picking/hanging machine detection circuit module 301 is effective, the then contact 1 and the static contact 1-1 adhesive of transfer relay, contact 2 and static contact 2-1 adhesive, simulation dislodging machine circuit module 309 is connected in 306 controls of PIC controller module, the black phone circuit is that speech processing circuit module 303, dtmf dialing circuit module 304 and ringing circuit module 305 also are switched on simultaneously, and user's communication is up to on-hook; After the PIC controller detects ring/picking/hanging machine detection circuit module 301 inefficacies, discharge the control of the IP side form being intended dislodging machine circuit module 309, transfer relay restores, and gets back to idle condition.If the USB port of IP side incoming call, be that ring/picking/hanging machine detection circuit module 308 is effective, then PIC controller module 306 is connected the coil 314 of simulation dislodging machine circuit module 302 and transfer relay, the contact 1 and the dynamic contact 1-2 adhesive of transfer relay, contact 2 and dynamic contact 2-2 adhesive, connect versatile interface circuit module 313, SI3210 type subscriber line circuit module 312 and TJ560 type USB port controller module 311, USB port is also connected feed circuit module 310 simultaneously, black phone circuit and function key indicator light also are switched on simultaneously, wherein, comprise speech processing circuit module 303 in the black phone circuit, dtmf dialing circuit module 304 and ringing circuit module 305, user's communication is up to on-hook; After the PIC controller detects ring/picking/hanging machine detection circuit module 308 inefficacies, discharge the control of the PSTN side form being intended dislodging machine circuit module 302, all modules and transfer relay all restore, and get back to idle condition, and the function key indicator light is gone out by bright change.
When PSTN side and IP side have the phone incoming call simultaneously, take that the PSTN side is preferential to be connected or go into the mode of handling earlier earlier, this moment is no longer to correspondent simulation off-hook not, charges in order to avoid cause because of the illusion conversation.
Figure 4 shows that using PIC controller of the present invention detects switching flow figure.
Step 401, the timer in initialization input/output port (IO) direction and the PIC microcontroller;
Step 402 is judged whether off-hook of PSTN side, i.e. whether ring/picking/hanging machine detection circuit module 301 is effective, if then execution in step 403, otherwise execution in step 411;
Below be the treatment step when using telephone set of the present invention as caller:
Step 403 makes IP network simulation off-hook, and module 309 is effective even the IP side form is intended the dislodging machine, and make the contact 1 and static contact 1-1 adhesive of transfer relay, contact 2 and static contact 2-1 adhesive are connected the related circuit module simultaneously, make this telephone set be in PSTN side talking state;
Step 404 judges whether conversion function key is pressed, if then execution in step 405, otherwise direct execution in step 409;
Step 405, the function key indicator light brightens by going out;
Step 406, it is effective that control PSTN side form is intended dislodging machine module 302, the contact 1 and the dynamic contact 1-2 adhesive of transfer relay, contact 2 and dynamic contact 2-2 adhesive, and ring/picking/hanging machine detection circuit module 308 is effective to control the IP side, connect the related circuit module simultaneously, make this telephone set be in IP side talking state;
Step 407 is judged the whether on-hook of IP side, i.e. whether IP side ring/picking/hanging machine detection circuit module 308 lost efficacy, if then execution in step 408, otherwise repeated execution of steps 407;
Step 408 discharges the control of the PSTN side form being intended dislodging machine module 302, discharges the control to transfer relay, makes its recovery, the function key indicator light is gone out by bright change after, direct execution in step 433;
Step 409 is judged the whether on-hook of PSTN side, i.e. whether ring/picking/hanging machine detection circuit module 301 lost efficacy, if then execution in step 410, otherwise repeated execution of steps 409;
After step 410, release are intended the control of dislodging machine module 309 to the IP side form, execution in step 433;
Step 411 judges whether conversion function key is pressed, if then execution in step 412, otherwise execution in step 419;
Step 412, the function key indicator light brightens by going out, and starts timer, and it is 10 seconds that timing is set;
Step 413, the contact 1 and the dynamic contact 1-2 adhesive of transfer relay, contact 2 and dynamic contact 2-2 adhesive, and control PSTN side form plan dislodging machine module 302 is effective;
Step 414 judges whether to arrive timing, if then execution in step 415, otherwise execution in step 416;
Step 415 makes the function key indicator light be gone out by bright change, and discharges the control of the PSTN side form being intended dislodging machine module 302, it was lost efficacy after, direct execution in step 433;
Step 416 is judged whether off-hook of IP side, i.e. whether IP side ring/picking/hanging machine detection circuit module 308 is effective, if then execution in step 417, otherwise execution in step 414;
Step 417 stops the timer timing;
Step 418 judges whether IP side ring/picking/hanging machine detection circuit module 308 lost efficacy, if then execution in step 415, otherwise repeated execution of steps 418;
The treatment step that below is telephone set of the present invention when called:
Step 419 judges whether to be the incoming call of PSTN side phone, if, execution in step 420, otherwise execution in step 425;
Step 420 is judged whether off-hook of PSTN side, i.e. whether ring/picking/hanging machine detection circuit module 301 is effective, if then execution in step 421, otherwise execution in step 424;
Step 421 makes IP network simulation off-hook, even simulation dislodging machine module 309 is effective, and make the contact 1 and static contact 1-1 adhesive of transfer relay, contact 2 and static contact 2-1 adhesive are connected the related circuit module simultaneously, make this telephone set be in PSTN side talking state;
Step 422 is judged the whether on-hook of PSTN side, i.e. whether ring/picking/hanging machine detection circuit module 301 lost efficacy, if then execution in step 423, otherwise repeated execution of steps 422;
After step 423, release are intended the control of dislodging machine module 309 to the IP side form, execution in step 433;
Step 424 judges whether the calling of PSTN side lost efficacy, if then execution in step 433, otherwise execution in step 420;
Step 425 judges whether to be the incoming call of IP side phone, if, execution in step 426, otherwise execution in step 402;
Step 426, the contact 1 and the dynamic contact 1-2 adhesive of transfer relay, contact 2 and dynamic contact 2-2 adhesive, and the function key indicator light is brightened by going out;
Step 427 is judged whether off-hook of IP side, i.e. whether IP side ring/picking/hanging machine detection circuit module 308 is effective, if then execution in step 428, otherwise execution in step 432;
Step 428, control PSTN side form is intended off-hook, and promptly PSTN side form plan dislodging machine module 302 is effective, connects the related circuit module simultaneously, makes this telephone set be in IP side talking state;
Step 429 is judged the whether on-hook of IP side, i.e. whether IP side ring/picking/hanging machine detection circuit module 308 lost efficacy, if then execution in step 430, otherwise repeated execution of steps 429;
Step 430 discharges the control of the PSTN side form being intended dislodging machine module 302, discharges the control to transfer relay, makes its recovery;
Step 431, the function key indicator light is gone out by bright change after, direct execution in step 433;
Step 432 judges whether the calling of IP side lost efficacy, if then execution in step 431, otherwise execution in step 427;
Step 433, behind removing off-hook/on-hook/incoming call sign, repeated execution of steps 402.
When using dual-port telephone set of the present invention and carrying out Internet phone-calling, this dual-port telephone set is H.323 agreement (based on the multimedia communication standard of the packet switching) telephone terminal of standard, meet the H.323 conversation requirement of protocol system fully, when having the gatekeeper in this system, this telephone set is two net even numbers, when not having the gatekeeper in this system, this telephone set can be No., two nets.
Owing to when using this dual-port making call IP network phone, be connected to IP network by a computer and realize function of network phone, therefore, must with computer that this telephone set links to each other on installation application corresponding module.The effect of this application module is H.323 agreement and the corresponding setting thereof that realizes the networking telephone.In the present embodiment, H.323 H.245 protocol system adopts that agreement (general control protocol for multimedia communication) is used to control foundation, maintenance and the release etc. of communication channel as control protocol.
Figure 5 shows that the application module flow chart when using telephone set of the present invention as caller.
Step 503 judges whether the other side replys, if then execution in step 504, otherwise direct execution in step 505;
H.245 step 504 is used agreement and is held consultation, and set up media channel, sends audio stream afterwards;
Figure 6 shows that and use the application module flow chart of telephone set of the present invention when called.
Step 601, this dual-port telephone set is in idle condition;
Step 602 has judged whether to call out, if then execution in step 603, otherwise execution in step 604;
H.245 step 603 is used agreement and is held consultation, and set up media channel, sends audio stream afterwards;
Step 604, The Calling Party Hooks On or initiatively on-hook of user for end of conversation, closes the audio frequency media passage, terminated call;
Step 605, this dual-port telephone set reenters idle condition.
The above only is preferred embodiment of the present invention, and is in order to restriction the present invention, within the spirit and principles in the present invention not all, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (12)
1, a kind of telephone set with common local telephone network and function of network phone, comprise black phone circuit module and the local telephone network side ports that links to each other with the telecommunication bureau local telephone, it is characterized in that, this telephone set at least also comprises the general-purpose serial bus USB port that links to each other with IP network by computer, the USB port controller module, multi-functional line circuit interface module, intelligence control switching circuit module, ring/picking/hanging machine detection circuit module and conversion function key, described USB port is by the USB port controller module, multi-functional line circuit interface module links to each other with intelligent control switching circuit module, described black phone circuit module, conversion function key links to each other with intelligent control switching circuit module respectively with the local telephone network side ports, and described ring/picking/hanging machine detection circuit module links to each other with multi-functional line circuit interface module with intelligent control switching circuit module.
2, telephone set according to claim 1, it is characterized in that, at least comprise cpu control circuit and commutation circuit in the described intelligent control switching circuit module, commutation circuit is under the control of cpu control circuit, make the local telephone network side ports that links to each other with the telecommunication bureau local telephone be in conducting state, or make multi-functional line circuit interface module, USB port controller module and USB port be in conducting state.
3, telephone set according to claim 1 is characterized in that, described multi-functional line circuit interface module is an integrated circuit.
4, telephone set according to claim 1 is characterized in that this telephone set further comprises, the indication telephone set is in the function key indicator light of IP network operating state, and this indicator light links to each other with the black phone circuit module.
5, a kind of application rights requires 1 described telephone set to realize dialing or receiving the method for traditional local telephone network and IP network phone, it is characterized in that this method comprises:
Be provided with one and be used for the conversion function key that the user is switched selection common service telephone network or IP network;
Telephone set is during as caller, after intelligence control switching circuit module judges that conversion function key is in the state of connecting the common service telephone network, with the circuit module and the conducting of local telephone network side ports of control common service telephone network, realize the conversation of local telephone network side, and the circuit of IP side is changed to the simulation off hook state; After intelligent control switching circuit module judges that conversion function key is in the state of connecting IP network, with the circuit module and the USB port conducting of control IP side, realize the IP conversation, and the circuit of common service telephone network side is changed to the simulation off hook state;
Telephone set is when called, intelligence control switching circuit module identification local telephone network side ring/picking/hanging machine detection circuit module effectively after, with the circuit module and the conducting of local telephone network side ports of control common service telephone network, realize the conversation of local telephone network side, and the circuit of IP side is changed to the simulation off hook state; When the identification of intelligent control switching circuit module be network side ring/picking/hanging machine detection circuit module effectively after, circuit module and USB port conducting that will control IP side realize that IP converses, and the circuit of common service telephone network side are changed to the simulation off hook state.
6, method according to claim 5 is characterized in that,
The described circuit module that will control the common service telephone network and the conducting of local telephone network side ports also comprise the step that the circuit of IP side is changed to the simulation off hook state: connect network side simulation dislodging machine circuit module, black phone circuit module and commutation circuit;
The described circuit module that will control the IP side and USB port conducting also comprise the step that the circuit of common service telephone network side is changed to the simulation off hook state: connect network side ring/picking/hanging machine detection circuit module, the local telephone network side form is intended dislodging machine circuit module, black phone circuit module, multi-functional line circuit interface module, USB port controller module and commutation circuit.
7, method according to claim 6 is characterized in that, adopts transfer relay as commutation circuit.
8, method according to claim 5 is characterized in that, described intelligent control switching circuit module is by the testing result of the photoelectrical coupler in the ring/picking/hanging machine detection circuit module of identification local telephone network side and network side, carries out corresponding control.
9, method according to claim 5 is characterized in that this method further comprises: after using this telephone set talk-through on-hook, all circuit modules reset into idle condition.
10, method according to claim 5 is characterized in that, when common service telephone network side and IP side had the phone incoming call simultaneously, common service telephone network side priority treatment or go into first processing was earlier no longer simulated off-hook to correspondent not and handled.
11, method according to claim 5, it is characterized in that when not conversing or use the conversation of common service telephone network, telephone set extracts power supply from the circuit of traditional common service telephone network, when using the IP network conversation, telephone set extracts power supply from the computer USB interface.
12, method according to claim 5, it is characterized in that, when the computer that links to each other with the USB port of this telephone set links to each other with IP network, telephone set can be used for traditional common service telephone network or IP network, when the computer that links to each other with the USB port of this telephone set did not link to each other with IP network, this telephone set was applied to traditional common service telephone network.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03105050 CN1284347C (en) | 2003-03-03 | 2003-03-03 | Telephone set with the functions of both local calls and network calls and its implementation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03105050 CN1284347C (en) | 2003-03-03 | 2003-03-03 | Telephone set with the functions of both local calls and network calls and its implementation |
Publications (2)
| Publication Number | Publication Date |
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| CN1527562A CN1527562A (en) | 2004-09-08 |
| CN1284347C true CN1284347C (en) | 2006-11-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 03105050 Expired - Fee Related CN1284347C (en) | 2003-03-03 | 2003-03-03 | Telephone set with the functions of both local calls and network calls and its implementation |
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| CN (1) | CN1284347C (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007025456A1 (en) * | 2005-08-31 | 2007-03-08 | Hsiaochung Lee | A net phone |
| US8483100B2 (en) * | 2005-11-14 | 2013-07-09 | Broadcom Corporation | Communication device supporting both internet and public switched telephone network telephony |
| CN101098374B (en) * | 2006-06-29 | 2010-06-23 | 英保达股份有限公司 | Combined network telephone apparatus |
| CN101035149B (en) * | 2007-04-04 | 2012-07-04 | 王承延 | Radio earphone phone and calling method |
| CN101714009A (en) * | 2009-05-14 | 2010-05-26 | 翁印嵩 | Computer integrating universal telephone function |
| CN101924673B (en) * | 2009-06-10 | 2012-11-21 | 国基电子（上海）有限公司 | Network access equipment and overload protection method thereof |
| CN101600266B (en) * | 2009-06-15 | 2012-09-05 | 华为终端有限公司 | Gateway and method for supporting more than one number in one unit |
| CN102404434A (en) * | 2010-09-17 | 2012-04-04 | 深圳市海格瑞特科技有限公司 | Multi-functional telephone operation machine |
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2003
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| CN1527562A (en) | 2004-09-08 |
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