CN2764073Y - IP telephone switch - Google Patents
IP telephone switch Download PDFInfo
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- CN2764073Y CN2764073Y CN 200420103358 CN200420103358U CN2764073Y CN 2764073 Y CN2764073 Y CN 2764073Y CN 200420103358 CN200420103358 CN 200420103358 CN 200420103358 U CN200420103358 U CN 200420103358U CN 2764073 Y CN2764073 Y CN 2764073Y
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- interface
- phone
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- microprocessor
- switching device
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- 238000002955 isolation Methods 0.000 claims abstract description 19
- 238000001514 detection method Methods 0.000 claims description 18
- 238000004088 simulation Methods 0.000 claims description 7
- 230000011664 signaling Effects 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 230000009466 transformation Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 9
- 239000003990 capacitor Substances 0.000 description 4
- 238000004891 communication Methods 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 102100022582 (3R)-3-hydroxyacyl-CoA dehydrogenase Human genes 0.000 description 1
- 102100031438 E3 ubiquitin-protein ligase RING1 Human genes 0.000 description 1
- 101001045206 Homo sapiens (3R)-3-hydroxyacyl-CoA dehydrogenase Proteins 0.000 description 1
- 101000707962 Homo sapiens E3 ubiquitin-protein ligase RING1 Proteins 0.000 description 1
- 101001095815 Homo sapiens E3 ubiquitin-protein ligase RING2 Proteins 0.000 description 1
- 101001048454 Homo sapiens Protein Hook homolog 1 Proteins 0.000 description 1
- 101001048456 Homo sapiens Protein Hook homolog 2 Proteins 0.000 description 1
- 102100023602 Protein Hook homolog 1 Human genes 0.000 description 1
- 102100023601 Protein Hook homolog 2 Human genes 0.000 description 1
- 208000035217 Ring chromosome 1 syndrome Diseases 0.000 description 1
- 208000032825 Ring chromosome 2 syndrome Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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Abstract
The utility model relates to an IP telephone switching device which comprises an exterior line connecting interface used for connecting a PSTN, a common telephone interface used for connecting a common telephone, a switching restoring line used for switching an IP telephone access and a common PSTN telephone access, an isolation line used for realizing the transformation of two / four wires, and an audio frequency interface used for connecting with the sound card of a computer, wherein the exterior line connecting interface, the common telephone interface and the isolation line are connected with the switching restoring line, and the audio frequency interface is connected with the isolation line. Using the IP telephone switching device, a user can realize the selection of calling and answering a common PSTN telephone or an IP telephone without purchasing a double-mode telephone.
Description
Technical field
The utility model relates to the phone switching device shifter, is specifically related to a kind of switching device shifter that is used to switch IP phone and common pstn telephone.
Background technology
The new business that IP phone is a kind of Internet of utilization technology or network carries out voice communication.IP phone is compared with black phone has obvious difference.At first, black phone uses the media of public switched telephone network as voice transfer; IP phone then is that voice signal is changed between public switched telephone network and Internet, voice signal is compressed encapsulation, convert the IP bag to, simultaneously, the IP technology allows the shared same bandwidth resources of a plurality of users, change the mode that black phone is monopolized a channel by unique user, saved the expense that the user uses individual channel.But, except defectives such as omnidistance speech quality can not guarantee, also exist telephone terminal at present based on the IP phone of soft switch and use inadequately shortcoming easily, and black phone speech quality height, be communicated with advantage such as reliable, easy for installation and guaranteed that then it also will survive in very long from now on a period of time.Therefore the double-mode phone of IP phone and the switching of common pstn telephone has appearred supporting simultaneously.For the user with, use double-mode phone after, original plain old telephone is in idle state, and the cost of double-mode phone is higher, is unfavorable for popularizing of IP phone.
The utility model content
The technical problems to be solved in the utility model is, at the cost height of the double-mode phone of prior art, is unfavorable for saving the shortcoming of customer investment, and a kind of IP phone switching device shifter is provided.
The technical scheme that its technical problem that solves the utility model adopts is: construct a kind of IP phone switching device shifter, the switching that comprise the outside line connecting interface, the plain old telephone interface that is used to connect plain old telephone that are used to connect PSTN, is used for switching IP phone and common pstn telephone path recovers circuit, be used to realize the isolation circuit of two or four lines conversion, be used for the audio interface that is connected with computer sound card, described outside line connecting interface, plain old telephone interface and isolation circuit recover circuit with described switching and link to each other, and described audio interface links to each other with described isolation circuit.
In IP phone switching device shifter described in the utility model, described audio interface comprises audio input interface and audio output interface.
In IP phone switching device shifter described in the utility model, also comprise the microprocessor of the mode of operation that is used for automaticallying switch.
In IP phone switching device shifter described in the utility model, also comprise with described isolation circuit and linking to each other with described microprocessor, be used for detecting the IP incoming ring and with testing result give the IP ring detection line of described microprocessor, described outside line connecting interface links to each other with described microprocessor, be used for detecting common PSTN incoming ring and testing result given the outside line ring detection line of described microprocessor.
In IP phone switching device shifter described in the utility model, comprise that also an end links to each other with described plain old telephone interface or with described outside line connecting interface, the other end links to each other with described microprocessor, is used for detecting the dislodging machine testing circuit that is connected the common pstn telephone dislodging machine state on the described plain old telephone interface and testing result is given described microprocessor.
In IP phone switching device shifter described in the utility model, also comprise with described plain old telephone interface linking to each other, be used for detecting the dialing detection line that is connected the common pstn telephone dialing information on the described plain old telephone interface and testing result is given described microprocessor with described microprocessor.
In IP phone switching device shifter described in the utility model, also comprise in described plain old telephone interface and described switching and recovering between the circuit, and link to each other with described microprocessor and under described microprocessor is controlled, be used for producing the ring generation circuit of IP phone ring.
In IP phone switching device shifter described in the utility model, also comprising links to each other with described outside line connecting interface is used for extracting power supply and the power circuit of power supply being provided for All other routes from outside line.
In IP phone switching device shifter described in the utility model, also comprise in described switching and recovering between circuit and the described ring generation circuit, and link to each other with described microprocessor and under described microprocessor is controlled, be used for simulating the simulation off-hook circuit of common pstn telephone off-hook.
In IP phone switching device shifter described in the utility model, also comprise with described isolation circuit linking to each other, and under described microprocessor control, realize the automatic DTMF transmitting line that dials or send signaling to computer sound card with described microprocessor.
The beneficial effects of the utility model are, can use common pstn telephone machine just can realize dual mode capability communication so that the user does not purchase under the situation of double-mode phone machine again, thus make the user can with most economical, mode is carried out communication easily.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples, in the accompanying drawing:
Connection diagram when Fig. 1 is the use of the utility model IP phone switching device shifter;
Two of connection diagram when Fig. 2 is the use of the utility model IP phone switching device shifter;
Fig. 3 is the circuit diagram of first embodiment of the utility model IP phone switching device shifter;
Fig. 4 is the circuit diagram of second embodiment of the utility model IP phone switching device shifter;
Fig. 5 is the circuit diagram of second embodiment of the utility model IP phone switching device shifter.
Embodiment
Introduce preferred embodiment of the present utility model below in conjunction with accompanying drawing.
Connection diagram when being the use of the utility model IP phone switching device shifter as shown in Figure 1 and Figure 2, use before the IP phone switching device shifter, the outside line connecting interface of the PSTN of IP phone switching device shifter need be connected to the PSTN port, audio interface is connected on the sound card audio interface of the computer that moves IP phone software, and common pstn telephone is connected on the plain old telephone interface of IP phone switching device shifter.By default, the inner recovery circuit that switches of IP phone switching device shifter is connected to the PSTN port with common pstn telephone, does not influence dialing and answering of plain old telephone.Dialing when answering IP phone, common pstn telephone is connected on the sound card audio interface of the computer that moves IP phone software by automatic or the inner recovery circuit that switches of manual mode control IP phone switching device shifter, speech and signaling-information that plain old telephone produces send in the sound card of computer by audio interface, it is speech and signaling data that computer sound card carries out sample conversion to speech and signaling-information, speech and signaling data become to meet the IP packet of procotol by the IP phone software processes, send to Internet; Equally, become speech and signaling data, send to common pstn telephone after being converted into speech and signaling-information by sound card again by the IP phone software processes from the IP packet of Internet.Answer after IP phone finishes dialing, the switching of IP phone switching device shifter inside recovers circuit and more common pstn telephone is recovered to be connected to the PSTN port
Be illustrated in figure 3 as the circuit diagram of a kind of embodiment of the utility model IP phone switching device shifter.The switching that comprise the outside line connecting interface 1, the plain old telephone interface 2 that is used to connect plain old telephone that are used to connect PSTN, is used for switching IP phone and common pstn telephone path recovers circuit 3, be used to realize the isolation circuit 4 of two or four lines conversion, be used for the audio interface 5 that is connected with computer sound card, outside line connecting interface 1, plain old telephone interface 2 and isolation circuit 4 recover circuit 3 with switching and link to each other, and audio interface 5 links to each other with isolation circuit 4.Audio interface 5 has comprised audio input interface and audio output interface, and audio input interface is used for receiving voice and the signaling-information from computer sound card; Audio output interface is used for sending voice and signaling-information to computer sound card.Switch and recover circuit 3 by switching on the sound card audio interface of the computer that moves IP phone software by the connection of key control with common pstn telephone.
Be illustrated in figure 4 as the circuit diagram of the another kind of embodiment of the utility model IP phone switching device shifter, compare with embodiment in first, the IP phone switching device shifter of present embodiment has increased microprocessor 6, IP ring detection line 7, outside line ring detection line 8, dislodging machine testing circuit 9, dialing detection line 10 and power circuit 11, ring generation circuit 12, simulation off-hook circuit 13, DTMF transmitting line 14.
IP ring detection line 7 links to each other with described microprocessor 6 with described isolation circuit 4, is used for detecting the IP incoming ring and gives described microprocessor 6 with testing result.Outside line ring detection line 8 links to each other with described microprocessor 6 with described outside line connecting interface 1, is used for detecting common PSTN incoming ring and gives described microprocessor 6 with testing result.Dislodging machine testing circuit 9 links to each other with described microprocessor 6 with described plain old telephone interface 2, is used for detecting the common pstn telephone dislodging machine state that is connected on the described plain old telephone interface 2 and gives described microprocessor 6 with testing result.Dialing detection line 10 links to each other with described microprocessor 6 with described plain old telephone interface 2, is used for detecting the common pstn telephone dialing information that is connected on the described plain old telephone interface 2 and gives described microprocessor 6 with testing result.Power circuit 11 links to each other with outside line connecting interface 1 and is used for extracting power supply and providing power supply for All other routes from outside line.
Simulation off-hook circuit 13 recovers between circuit 3 and the described ring generation circuit 12 in described switching, and links to each other with described microprocessor 6 and simulate common pstn telephone off-hook when being used in the IP calling under described microprocessor 6 is controlled.DTMF transmitting line 14 and is realized automatic dialing or is sent signaling to computer sound card under 6 controls of described microprocessor between described isolation circuit 4 and described microprocessor 6.Microprocessor 6 be used for automaticallying switch mode of operation and realize the automatic switching of IP phone, specific as follows:
1) answers IP phone
When with the IP phone incoming call, IP ring detection line 7 detects bell signal and delivers to microprocessor 6, microprocessor 6 controls switching recovery circuit is with the channel connection of common pstn telephone to computer sound card, provide bell signal by ring generation circuit 12 to pstn telephone then, after microprocessor 6 detects user's off-hook, stop to provide bell signal, and answer, just can realize the IP conversation by DTMF transmitting line 14 control IP phone softwares.After the IP conversation is finished, microprocessor 6 detects user's on-hook, by the 14 control IP phone softwares end conversations of DTMF transmitting line, last microprocessor 6 controls switching recovery circuit is connected to the PSTN port with common pstn telephone, automatically restores to the pstn telephone pattern.
2) answer common pstn telephone
By default, the IP phone switching device shifter is inner to be switched and recovers circuit common pstn telephone is connected to the PSTN port, when with common pstn telephone incoming call, sends common pstn telephone to, common pstn telephone ring from the bell signal of PSTN port.The ring of outside line simultaneously detection line 8 detects bell signal and delivers to microprocessor 6, and microprocessor 6 is just busy by DTMF transmitting line 14 notice IP phone soft phones, avoids sending a telegram here simultaneously producing and conflicts.Behind user's off-hook, just can realize common PSTN conversation.Behind the common PSTN end of conversation, microprocessor 6 detects user's on-hook, just by the positive busy condition of DTMF transmitting line 14 notice IP phone software terminating telephones.
3) dial plain old telephone
Under the IP switching device shifter default situations, be in common pstn telephone state, station dial can be finished the calling of common pstn telephone.Microprocessor 6 is by the talking state of the common pstn telephone of dislodging machine testing line supervision, just busy by DTMF transmitting line 14 notice IP phone soft phones during subscriber dialing and conversation, after user's communication finishes, the positive busy condition of notice IP phone software terminating telephone.
4) calling IP phone
The user dials specific keys or number earlier behind off-hook on the common pstn telephone machine, after the microprocessor 6 of IP switching device shifter detects specific keys or number by dialing detection line 10, the automatic switchover inner passage is to the IP phone passage, and the user continues to dial and just can realize the calling of IP phone.Automatically restore to common pstn telephone state by microprocessor 6 controls after the end of calling on-hook.
5) the automatic switching of IP phone
When the IP calling, when the common pstn telephone that connects within a certain period of time, as not having off-hook after six rings, then the IP phone switching device shifter automatically with the IP calls transfer to the number that sets in advance, be specially: at first microprocessor 6 control simulation off-hook circuits 13 are simulated common pstn telephone off-hook, microprocessor 6 is connected ordinary telephone wiring then, and dial predefined number by DTMF transmitting line 14, after preset number is put through, microprocessor 6 is connected to external IP phone external PSTN port at last, finishes the switching of IP calling.
Below in conjunction with Fig. 5, the circuit diagram of second embodiment of the utility model IP phone switching device shifter is described, as shown in the figure: J6 is an outside line connecting interface 1, and JP1 is an audio interface 5, and J8 is a plain old telephone interface 2, and U1 is a microprocessor 6.Relay K 2 is used for switching IP phone and common pstn telephone, promptly selects J8 to be communicated to J6 or J8 is communicated to JP1.The RING1 of K3 and microprocessor 6 and RING2 pin constitute ring generation circuit 12.The HOOK1 of relay K 4 and microprocessor 6 and HOOK2 pin and resistance R 24 constitutes simulation off-hook circuits 13 and is used for the connection of Simulation with I P phone, and realizes the switching of IP phone, promptly realizes being connected of JP1 and J6.The DTMF1 of resistance R 17, R18, R22, R23 and capacitor C 9, C10, C11 and microprocessor 6 and DTMF2 pin constitute dialing detection line 10.Transformer T1, T2, resistance R 6, R7, R8, R9, R10 constitute isolation circuit 4.IP ring detection line 7 and 14 unifications of DTMF transmitting line, specifically by transformer T2, capacitor C 3, C7, the DTMFI0 pin of resistance R 4, R5 and microprocessor 6 constitutes.The HOOK_DECT pin of resistance R 12, R13 and microprocessor 6 constitutes dislodging machine testing circuit 9.Capacitor C 4, C5, C6, resistance R 3, diode D3, D4, D5, D6 outside line ring detection line 8.Diode D1, D2, D7, D8, D9, D10, D11, D12, D13, D14, D15, capacitor C 1, C2, C12, resistance R 1, R2, R11, R14, R15, R16, R19, R20, R21, triode Q1, Q2, Q3, Q4 and inductance L 1 constitute power circuit 11.
Claims (10)
1, a kind of IP phone switching device shifter, it is characterized in that, the switching that comprise the outside line connecting interface (1), the plain old telephone interface (2) that is used to connect plain old telephone that are used to connect PSTN, is used for switching IP phone and common pstn telephone path recovers circuit (3), be used to realize the isolation circuit (4) of two or four lines conversion, be used for the audio interface (5) that is connected with computer sound card, described outside line connecting interface (1), plain old telephone interface (2) and isolation circuit (4) recover circuit (3) with described switching and link to each other, and described audio interface (5) links to each other with described isolation circuit (4).
2, IP phone switching device shifter according to claim 1 is characterized in that, described audio interface comprises audio input interface and audio output interface.
3, IP phone switching device shifter according to claim 1 is characterized in that, also comprises the microprocessor (6) of the mode of operation that is used for automaticallying switch.
4, IP phone switching device shifter according to claim 3, it is characterized in that, also comprise with described isolation circuit (4) linking to each other, be used for detecting the IP incoming ring and testing result given the IP ring detection line (7) of described microprocessor (6) with described microprocessor (6); Also comprise with described outside line connecting interface (1) linking to each other, be used for detecting common PSTN incoming ring and testing result given the outside line ring detection line (8) of described microprocessor (6) with microprocessor (6).
5, IP phone switching device shifter according to claim 3, it is characterized in that, comprise that also an end links to each other with described plain old telephone interface (2) or with described outside line connecting interface (1), the other end links to each other with described microprocessor (6), is used for detecting the dislodging machine testing circuit (9) that is connected the common pstn telephone dislodging machine state on the described plain old telephone interface (2) and testing result is given described microprocessor (6).
6, IP phone switching device shifter according to claim 3, it is characterized in that, also comprise with described plain old telephone interface (2) linking to each other, be used for detecting the dialing detection line (10) that is connected the common pstn telephone dialing information on the described plain old telephone interface (2) and testing result is given described microprocessor (6) with described microprocessor (6).
7, IP phone switching device shifter according to claim 3, it is characterized in that, comprise that also being positioned at described plain old telephone interface (2) and described switching recovers between the circuit (3), and link to each other with described microprocessor (6) and under described microprocessor (6) is controlled, be used for producing the ring generation circuit (12) of IP phone ring.
8, IP phone switching device shifter according to claim 1 is characterized in that, also comprising links to each other with described outside line connecting interface (1) is used for extracting power supply and the power circuit (11) of power supply being provided for All other routes from outside line.
9, IP phone switching device shifter according to claim 7, it is characterized in that, comprise that also being positioned at described switching recovers between circuit (3) and the described ring generation circuit (12), and link to each other with described microprocessor (6) and under described microprocessor (6) is controlled, be used for simulating the simulation off-hook circuit (13) of common pstn telephone off-hook.
10, IP phone switching device shifter according to claim 1, it is characterized in that, also comprise with described isolation circuit (4) linking to each other, and under described microprocessor (6) control, realize the automatic DTMF transmitting line (14) that dials or send signaling to computer sound card with described microprocessor (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420103358 CN2764073Y (en) | 2004-12-21 | 2004-12-21 | IP telephone switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420103358 CN2764073Y (en) | 2004-12-21 | 2004-12-21 | IP telephone switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2764073Y true CN2764073Y (en) | 2006-03-08 |
Family
ID=36141610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420103358 Expired - Fee Related CN2764073Y (en) | 2004-12-21 | 2004-12-21 | IP telephone switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2764073Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104348988A (en) * | 2013-08-08 | 2015-02-11 | 国基电子（上海）有限公司 | Telephone network accessing equipment |
| CN105430145A (en) * | 2015-12-09 | 2016-03-23 | 山东卡尔电气股份有限公司 | Smart phone and communication method integrating 4G, PSTN and VOIP |
-
2004
- 2004-12-21 CN CN 200420103358 patent/CN2764073Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104348988A (en) * | 2013-08-08 | 2015-02-11 | 国基电子（上海）有限公司 | Telephone network accessing equipment |
| US9363385B2 (en) | 2013-08-08 | 2016-06-07 | Ambit Microsystems (Shanghai) Ltd. | Telephone network access device |
| CN105430145A (en) * | 2015-12-09 | 2016-03-23 | 山东卡尔电气股份有限公司 | Smart phone and communication method integrating 4G, PSTN and VOIP |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |