CN1395412A

CN1395412A - Communication equipment and method capable of automatically selectively dial-connecting with public switching telephone or network telephone

Info

Publication number: CN1395412A
Application number: CN01120169A
Authority: CN
Inventors: 吴柏青; 李鉴修
Original assignee: D Link Corp
Current assignee: D Link Corp
Priority date: 2001-07-09
Filing date: 2001-07-09
Publication date: 2003-02-05
Anticipated expiration: 2021-07-09
Also published as: CN1274130C

Abstract

The invention discloses the communication device and method for autoamtically selecting dialing the public switched telephone or the networked telephone. Based on the operating mode setup, the communication device detects whether there is a coming ringing signal from a public switched telehpone network (PSTN). If yes, then, the unused terminal devices among the multiple terminal devices connected are switched to the state of connecting to the PSTN. When the ringing signal being vanished and the terminal devices being back to the idle state, the network type communication device makes the terminal devices switch to the state connected to Internet. Thus, the user can use the network type communication device to select dialing the public switched telephone or the networked telephone.

Description

Automatically select to dial and connect the communication equipment and the method for the public's exchanging telephone or the networking telephone

Technical field

The present invention relates to a kind of network type mechanics of communication, the communication equipment and the method for the public's exchanging telephone or the networking telephone dialed and connected in especially a kind of automatic selection.

Background technology

Nearly recent decades, because the fast development of scientific and technological industry, the step of people's life and work is accelerated with competitive current market condition, and facility is means of transportation efficiently, also the zone of the industrial and commercial development of order enlarges gradually, people link up efficient for promoting in every day busy stroke, and then improvement work and quality of the life, degree to communication equipments such as phone rely on grows with each passing day.At present, communication equipments such as phone have not only become people in daily life and work, indispensable tool of communications, under some emergency, these equipment more may become the instrument of saving one's life, and therefore, reach under the situation at any time, guarantee the unblocked of these communication equipments, promptly become general user or the dealer institute Focal Point of Common Attention of Communications service is provided.

In recent years, because the network communication equipment (VoIP of new development, Voice Over IP Device), can offer frequent use is long-distance or overseas call communicates user with quite cheap expenses standard, make these users after using these network communication equipments to carry out communication, really find that it can more originally use the phone of public switched telephone network (PSTN), save an appreciable communication fee expenditure.In view of this, the dealer is at this demand and trend, carries out research, investigation result shows, the user up to traditional public switched telephone network of 70 of percentage arranged, the following interesting network communication equipment of using instead of expression, carry out conversing on the line, with the expenditure of effective reduction communication fee.

But at present, on all commercially available network communication equipments 11, consult shown in Figure 1, all be connected with a rectifier 12, borrow this rectifier 12 plug 13 of end in addition, it is plugged on the electric power connecting seat, to provide these network communication equipment 11 normal operations required power supply, this network communication equipment 11 can be connected with at least more than one phone 10, speech sound signal so that these phones 10 are transmitted converts digital signal to, carries out enfeoffment again and handles, after forming the IP package, send out again, make these packages, be transferred into the server 15 of an Internet via a network-switching equipment 14, and, carry out conversing on the line by having the far-end phone of same equipment on this server 15 and the line.

Because, all necessary external power supply of these traditional network communication equipments 11, beginning energy normal operation, so in case have a power failure, these equipment 11 promptly cause communication disruption, can't proceed to converse on the line, this kind phenomenon may cause to have a strong impact on and inconvenience under emergency.So, the dealer of network communication equipment is for solving this problem, the special circuit diverter switch of on these traditional network communication equipments, setting up, to be connected with at least more than one phone respectively by this circuit diverter switch, the speech sound signal that these phones are transmitted, after converting digital signal to, a set control circuit carries out the enfeoffment processing on it again, form the IP package, again by having the far-end phone of same equipment on an Internet (Internet) and the grid line, carry out conversing on the line, and this network communication equipment is when its power supply is interrupted, can make this circuit diverter switch automatically switch into and a public switched telephone network (PSTN) pattern of line mutually, the power supply and the far-end phone that make these phones still can utilize the exchange line of this public switched telephone network to present are conversed.

This practice, though solved the puzzlement that these legacy network formula communication equipments can't continue to converse when having a power failure, but these legacy network formula communication equipments are under normal condition, still only be confined to by Internet (Internet), the service of conversing on the grid line is provided, there is no the decree user by these legacy network formula communication equipments, select to dial and connect the public's exchanging telephone or the networking telephone automatically.

Summary of the invention

Because aforementioned conventional network communication equipment, can't select to dial and connect the problem of the public's exchanging telephone or the networking telephone automatically, special communication equipment and the method that the public's exchanging telephone or the networking telephone are dialed and connected in a kind of automatic selection that go out of the present invention proposed, with effective shortcoming of improving legacy network formula communication equipment, make the user can be under any situation, all can pass through this communication equipment, dial and connect the public's exchanging telephone or the networking telephone, converse with far-end.

A purpose of the present invention, system makes a control circuit of this network communication equipment, can be connected with at least more than one circuit diverter switch by a phone circuit for detecting respectively, the user mode of the phone of at least more than one that utilizes this phone circuit for detecting to detect to be connected on this network communication equipment, this circuit diverter switch is then borrowed a set ring circuit for detecting on the loop, the incoming call that detecting is transmitted by public switched telephone network (PSTN) (in-coming call) ring signal, and when detecting this ring signal, immediately this message is sent to this control circuit, the phone user mode that this control circuit can be detected according to these phone circuit for detecting, trigger a signal, switch these circuit diverter switches, the phone that is not used of order be switched automatically to this loop state of line mutually, to receive the ring signal that transmits by this public switched telephone network, make the user after picking up this phone, can pass through this public switched telephone network, converse with the far-end phone.

Another object of the present invention, be that this control circuit is when the power supply of this network communication equipment is cut off, can trigger a signal, make these phones be switched automatically to this loop state of line mutually, make these phones can directly pass through this public switched telephone network, converse with the far-end phone, when this network communication equipment recovers normal power supply, this control circuit can produce a trigger signals again, make these phones can be switched automatically to passing through a user side interface circuit, with the far-end phone that has same equipment on the Internet line, carry out conversing on the line.So, can make this network communication equipment under any situation, but all remain on straightway talking state.

Another purpose of the present invention, be that this control circuit can be according to an Auto-Sensing pattern that sets on it, make this network communication equipment that the service of dialing and connecting the public's exchanging telephone and the networking telephone can be provided simultaneously, make these phones can dial and connect the public's exchanging telephone or the networking telephone automatically, converse with far-end.

Description of drawings

Shown in Figure 1 is the line configuration diagram of legacy network formula communication equipment;

Shown in Figure 2 is the circuit framework block schematic diagram of communication equipment of the present invention;

Shown in Figure 3 is system flow schematic diagram of the present invention.The figure number explanation of main element:

Phone ... ... 20 network communication equipments ... ... .21

Rectifier ... ... 22 plugs ... ... ... ... ..13

Control circuit ... .213 user side interface circuit ... ... .212

The circuit diverter switch ... ... 211 phone circuit for detecting ... ... 217

The ring circuit for detecting ... ... 216

Embodiment

General networking formula communication equipment, system is connected with at least more than one phone, speech sound signal so that these phones are transmitted converts digital signal to, carries out enfeoffment again and handles, and with the form of IP package, utilize the phone that has same equipment on Internet (Internet) and the far-end network line, carry out conversing on the line this kind communication process mode, because existing tradition communication rate long-distance and overseas call is cheap many, so have developmental advantage.And, traditionally, the phone that utilizes public switched telephone network (PSTN) to converse, because its power supply system is presented by exchange line by telecommunication bureau, so complete dispense with outer connecting power of phone, can directly converse, in addition, because the communications equipment room of telecommunication bureau generally all has freestanding stand-by generator, so in case electricity stops, this stand-by generator still can be powered immediately, make the communications equipment room normal operation of telecommunication bureau, and the unlikely operation that influences phone still can continue externally to converse, so traditional public switched telephone network also has the advantage that is difficult to obliterate on its characteristic.

The present invention promptly utilizes distinctive performance on aforementioned network formula communication equipment and the public switched telephone network, develop the communication equipment 21 (hereinafter to be referred as network communication equipment) that the public's exchanging telephone or the networking telephone are dialed and connected in a kind of automatic selection, consult shown in Figure 2, in a preferred embodiment of the present invention, this network communication equipment 21 mainly comprises a control circuit 213, this control circuit 213 is and at least more than one user side interface circuit (Subscriber Line Interface Circuit, abbreviation SLIC) 212 are connected, make these user side interface circuits 212 can pass through a circuit diverter switch 211 respectively, with at least more than one phone 20 (in other embodiments of the invention, be not limited thereto, also can be other terminal installations such as facsimile machine or modem) be connected, with the speech sound signal that these phones 20 are transmitted, after converting digital signal to, carrying out enfeoffment through this control circuit 213 again handles, produce corresponding IP package, and borrow a signal line 214 that it is sent out one by one, make and pass through Internet, with the far-end phone that has same equipment on the grid line, carry out conversing on the line.

In this embodiment, consult Fig. 2 and shown in Figure 3, this control circuit 213 is connected with these circuit diverter switches 211 by a phone circuit for detecting 217 respectively in addition, make and utilize at least more than one the user mode (on-hook or off-hook) of these phones 20 that is connected on these phone circuit for detecting 217 these network communication equipments 21 of detecting, be respectively equipped with the plurality of signals contact on these circuit diverter switches 211, wherein a signal contact A is connected with this phone 20, another signal contact B is connected with this user side interface circuit 212, another signal contact C then borrows a loop 215 to be connected with this signal line 214 again, on this loop 215 and be provided with a ring circuit for detecting 216, make incoming call (in-coming call) the ring signal that transmits by public switched telephone network (PSTN) by 216 detectings of this ring circuit for detecting, and when detecting this incoming call ring signal, immediately this message is sent to this control circuit 213, make the user mode (on-hook or off-hook) of these phones 20 that this control circuit 213 can be detected according to these phone circuit for detecting 217, trigger a signal, switch these circuit diverter switches 211, or by these user side interface circuit 212 these circuit diverter switches 211 of switching, the phone 20 (on-hook) that is not used of order is automatically switched to and this loop 215 state of line mutually, to receive the ring signal that transmits by this public switched telephone network, or produce the ring signal of a local side by this user side interface circuit 212, make the user after picking up this phone 20, can pass through this loop 215 in regular turn, this signal line 214 and this public switched telephone network are conversed with the far-end phone.

In addition, on this control circuit 213 and be connected with a rectifier 22, consult shown in Figure 2 again, make this rectifier 22 hold a set plug 23 in addition, can make on its plug socket that is plugged to an external power supply, for should the required power supply of control circuit 213 normal operations, and make this control circuit 213 can be at the power supply situation of this rectifier 22, produce a trigger signals, make these circuit diverter switches 211 carry out change action.So, when the power supply of this network communication equipment 21 is cut off, consult shown in Figure 3 again, this control circuit 213 can trigger a signal, make these phones 20 be switched to this loop 215 state of line mutually, the speech sound signal that these phones 20 are produced can directly send out by this signal line 214.So this network communication equipment 21 still can make these phones 20 that the power supply that is provided on the exchange line of public switched telephone network is provided when its power supply is interrupted, and reaches the purpose of conversing with the far-end phone.When this network communication equipment 21 reverts to the normal power supply state, this control circuit 213 will produce a trigger signals again, make these signal contacts A, B remain on conducting state, the speech sound signal that these phones 20 are produced, can pass through this user side interface circuit 212 and this control circuit 213 respectively, with the far-end phone that has same equipment on the Internet line, carry out conversing on the line.So, under any situation, but all can make this network communication equipment 21 remain on straightway talking state.

In another preferred embodiment of the present invention, this signal contact C can borrow this loop 215 directly to be connected with the exchange line of this public switched telephone network, and this control circuit 213 is then borrowed this signal line 214, with the IP package that is produced, by a special line, be sent on the Internet.

In another preferred embodiment of the present invention, this control circuit 213 still can be according to the operation procedure that sets on it, consult shown in Figure 3 again, provide the user to set up the environment of its operator scheme on their own, so open the power supply of this network communication equipment 21 as the user after, can at the operator scheme desiring to carry out set.At this moment, if this control circuit 213 is judged the operator scheme that the user sets, it is an Auto-Sensing pattern, then whether incoming call (in-coming call) the ring signal that is transmitted by public switched telephone network (PSTN) is arranged by these ring circuit for detecting 216 detectings, if have, even the user mode (on-hook or off-hook) of these phones 20 that this control circuit 213 is detected according to these phone circuit for detecting 217, control these circuit diverter switches 211, or by these user side interface circuit 212 these circuit diverter switches 211 of switching, the phone 20 (on-hook) that is not used of order be switched to this loop 215 state of line mutually, to receive the ring signal that transmits by this public switched telephone network, make user's incoming call answering at any time, converse with the far-end phone; When the ring signal disappears, and this phone 20 is when being in idle state once again again, and this control circuit 213 will drive this circuit diverter switch 211, makes this phone 20 (on-hook) be switched back and this user side interface circuit 212 state of line mutually.

When user's desire is called by these phones 20, this control circuit 213 will be at the telephone number that the user keyed in, judge to be the public's exchanging telephone or a networking telephone, and control these circuit diverter switches 211 according to this, make employed phone 20 (on-hook) be switched to this loop 215 or this user side interface circuit 212 state of line mutually,,, converse by this public switched telephone network or Internet with respectively with the far-end phone.

The above only is a preferred embodiment of the present invention, but the interest field that the present invention advocated; be not limited thereto, allly be familiar with this skill personage, according to the disclosed technology contents of the present invention; can think easily and equivalence change, all should belong to and not break away from protection category of the present invention.

Claims

1, the communication equipment of the public's exchanging telephone or the networking telephone is dialed and connected in a kind of automatic selection, and it is characterized in that: this communication equipment comprises:

Be connected with a terminal installation respectively and receive at least more than one circuit diverter switch of speech sound signal that this terminal installation produces;

One controls each element in the entire equipment and the signal that is received is carried out enfeoffment handle to produce the control circuit of corresponding IP package, this control circuit is connected with described circuit diverter switch, make at setting and power supply situation, produce a trigger signals, make these circuit diverter switches carry out change action;

The rectifier of the power supply that one this control circuit normal operation of supply is required is connected with this control circuit;

After the speech sound signal that this terminal installation is transmitted converts digital signal to, at least more than one the user side interface circuit that is resent to that this control circuit carries out that enfeoffment handles, be connected with these circuit diverter switches and this control circuit respectively;

At least more than one phone circuit for detecting is connected with these circuit diverter switches and this control circuit respectively, to detect the user mode of these terminal installations;

One ring circuit for detecting, be connected with these circuit diverter switches and a loop respectively, to detect the incoming call ring signal that transmits by public switched telephone network through this loop, and when detecting this incoming call ring signal, can make the user mode of these terminal installations that this control circuit detected according to these phone circuit for detecting, trigger a signal, switch these circuit diverter switches, the terminal installation that order is not used, automatically switched to and this loop state of line mutually, receiving this ring signal, and after this terminal installation is picked up, can pass through this public switched telephone network, link up with the terminal installation of far-end.

2, the communication equipment of the public's exchanging telephone or the networking telephone is dialed and connected in automatic selection as claimed in claim 1, it is characterized in that: wherein this circuit diverter switch is provided with the plurality of signals contact, wherein the first signal contact is connected with this terminal installation, the second signal contact is connected with this user side interface circuit, when making this control circuit be in the normal power supply state, can produce a trigger signals, make these signal contacts remain on conducting state.

3, the communication equipment of the public's exchanging telephone or the networking telephone is dialed and connected in automatic selection as claimed in claim 2, it is characterized in that: wherein be provided with the 3rd signal contact in addition on this circuit diverter switch, the 3rd signal contact can be through this loop and this public switched telephone network line mutually, when this control circuit is de-energized, can trigger a signal, make first and two signal contacts become open-circuit condition, and make the 3rd signal contact switch to the state that is conducted with this first signal contact.

4, the communication means of the public's exchanging telephone or the networking telephone is dialed and connected in a kind of automatic selection that utilizes communication equipment as claimed in claim 1 and carried out, it is characterized in that: this communication equipment can be according to the operator scheme that sets on it, detect whether the incoming call ring signal that is transmitted by a public switched telephone network is arranged on it, if have, can be again according at least more than one the user mode of terminal installation that is connected on this network communication equipment, the terminal installation that is not used of order is switched on it and this public switched telephone network mutually on the loop of line.

5, the communication means of the public's exchanging telephone or the networking telephone is dialed and connected in automatic selection as claimed in claim 4, it is characterized in that: wherein when the disappearance of ring signal, and when these terminal installations are in idle state again once again, this communication equipment can make these terminal installations be switched to its on the user side interface circuit state of line mutually, with by this user side interface circuit and Internet line mutually.

6, the communication means of the public's exchanging telephone or the networking telephone is dialed and connected in automatic selection as claimed in claim 5, it is characterized in that: wherein this communication equipment can be at the telephone number of being keyed in these terminal installations, judge the phone that these terminal installations are dialed, belong to the public's exchanging telephone or a networking telephone, this network communication equipment can be switched to these terminal installations and this loop or this user side interface circuit state of line mutually according to this.