CN101064748A

CN101064748A - SIM dialer for fixed telephone set

Info

Publication number: CN101064748A
Application number: CN200610077015.3A
Authority: CN
Inventors: 姚方; 陈云海; 王志中; 陈健儿
Original assignee: China Telecom Corp Ltd
Current assignee: China Telecom Corp Ltd
Priority date: 2006-04-25
Filing date: 2006-04-25
Publication date: 2007-10-31
Anticipated expiration: 2026-04-25
Also published as: CN101064748B

Abstract

A mounting telephone SIM card dialing device is disclosed, it includes: user ID module SIM card interface, which is used to read the telephone book stored in SIM card; user interface, which is used to receive operation commands from users and provide message indication for users; memorizer, which includes one or more sections, and every section is used to store the read telephone book; dialing circuit which can connect with mounting telephone parallel and be used to dial the appointed telephone number; processor, when it detects the read command input by user from user interface input, controls the SIM card interface to read the telephone book from SIM card and store it in memorizer or section chosen by user via user interface; the information is represented by controlling user interface, and it responses for the represented information via user interface, and accepts the selection of fault section or appointed section, and controls said dialing circuit to dial the chosen telephone number on said telephone lines.

Description

SIM dialer for fixed telephone set

Technical field

The present invention relates to the fixed-line telephone network terminal technology, relate in particular to realization the yellow pages of SIM card such as are carried out read/write, store and check at function, and directly transfer to the landline telephone SIM card dialer of its telephone number by the telephone line of landline telephone.

Background technology

International standard GSM 11.11 has defined the interface parameters and the functional specification of cellphone subscriber's identity module (SIM) card, makes that the read-write SIM card becomes possibility in the equipment except mobile phone.

Mobile phone has reached very high popularity at present, and SIM cards of mobile phones has become the extremely important communication information of people (contact person's yellow pages) memory.Because SIM card stores important information,, can bring very big inconvenience to the holder if lose or damage.

Though SIM card is easy to carry, yet, can't use telephone book stored in the SIM card whenever and wherever possible if do not have mobile phone or mobile phone unavailable.

In addition, because the radiation that produces in the mobile phone communication makes people be unwilling to use or use for a long time mobile phone, perhaps because the restriction of battery capacity, do not allow to use mobile phone to carry out extended telephone conversation, cause that the use of the yellow pages in the SIM card is had significant limitation.

The inventor recognizes the above-mentioned limitation of prior art, thereby considers how to utilize fixed-line telephone network to carry out the approach of SIM cards of mobile phones dialing, the function of using the dialing of SIM card yellow pages is provided promptly for the fixed telephone user.

Summary of the invention

The purpose of this invention is to provide a kind of landline telephone SIM card dialer, it is attempted by between telephone set and the PSTN network as a stand-alone terminal equipment, finish dialing procedure with the telephone set collaborative work, have the function that the SIM card yellow pages are read and write, stored and dial.

The invention provides a kind of landline telephone SIM card dialer, comprising: subscriber identity module SIM card interface is used for the reading SIM card telephone book stored; User interface is used to accept user's operating command, and provides the information indication to the user; Memory comprises one or more district, and each district is used to store the described yellow pages that read; Dial-up circuit can be attempted by on the telephone wire with landline telephone, is used for dialing on telephone wire assigned telephone number; And processor, be configured to when it detects the user via the reading order of user interface input, control described SIM card interface from SIM card, read yellow pages and be stored in the default of described memory or the district selected via user interface by the user in; And the response that presents and by user interface the information that is presented is made according to the user by the control user interface information of carrying out, accept the selection of user, on described telephone wire, dial selected telephone number thereby control described dial-up circuit to assigned telephone number in default district or the designation area.

The SIM card interface also can write SIM card, processor also can be configured to when it detects the user via the write command of user interface input, control that described SIM card interface writes the default of described memory in SIM card or the district selected via user interface by the user in yellow pages.

User interface can comprise the display that is used to carry out the button of corresponding operating and is used for showing to the user described information.Memory also can be used for storing Chinese character base, and processor can show the information that comprises Chinese character according to Chinese character base on display.

According to a preferred embodiment, dial-up circuit when not dialling and telephone wire disconnect.Dial-up circuit can be connected with telephone line by relay.Telephone wire can link to each other with phone through landline telephone SIM card dialer.

Description of drawings

Fig. 1 is the connection diagram of landline telephone SIM card dialer 2 of the present invention and telephone network telephone line;

Fig. 2 illustrates the block diagram of the circuit structure of landline telephone SIM card dialer 2 according to an embodiment of the invention;

Fig. 3 A is the schematic diagram that the top of landline telephone SIM card dialer 2 is shown;

Fig. 3 B is the schematic diagram that the bottom of landline telephone SIM card dialer 2 is shown;

Fig. 4 illustrates SIM card to duplicate flow chart with ablation process;

Fig. 5 is the flow chart that dialing procedure is shown;

Fig. 6 is dial-up circuit figure.

Embodiment

Referring now to accompanying drawing the specific embodiment of the present invention is described.

Fig. 1 shows the connection diagram of landline telephone SIM card dialer 2 of the present invention and telephone network telephone line.As shown in Figure 1, landline telephone SIM card dialer 2 is attempted by between telephone set 3 and the public switch telephone network (PSTN) 1.When landline telephone SIM card dialer 2 will dial, telephone set 3 off-hooks, landline telephone SIM card dialer 2 is communicated with telephone line and dials.

Fig. 2 illustrates the block diagram of the circuit structure of landline telephone SIM card dialer according to an embodiment of the invention.In this embodiment, landline telephone SIM card dialer 2 of the present invention comprises SIM card interface 26, user interface 10, dial-up circuit 24, memory 25 and processor 20.

SIM card interface 26 can be under the control of processor 20 reads and writes content, especially yellow pages in the SIM card at the SIM card that is connected.The SIM card interface can adopt the SIM card read write line of selling on the market.

User interface 10 is used to accept user's operating command, and provides the information indication to the user.In the present embodiment, user interface 10 comprises liquid crystal display drive circuit 21, LCD (LCD) 22 and dialer keyboard 23.Fig. 3 A further shows the outside visible part of user interface 10.As shown in Figure 3A, LCD 22 is arranged on the first half of dialer top panel, is used to show information such as contact name and telephone number.Keyboard 23 is arranged on the Lower Half of top panel.Keyboard 23 comprises as scheming the button shown in the medium and small square frame, for example be used for starting " Card Reader " key of the yellow pages of SIM card being read the operation of dialer, be used for starting " writing card " key that the yellow pages of dialer is written to the operation in the SIM card, be used to carry out " on turn over " that switch the memory block or telephone number switches and " time turn over " key, be used to start " deletion " key of operation of the telephone number at the current cursor of deletion place, be used for starting and select the IP phone prefix number (as 17909,96688 etc.) " IP " key of operation, be used to withdraw from " cancellation " key of current operation, first letter (Chinese is by phonetic) that is used to start the inquiring contactor title is that 8 " searching " keys of operation of the telephone number of the beginning of letter on the button (are respectively abc, def, ghi, jkl, mno, pqrs, tuv, wxyz), be used to start " dialing " key of the operation that the telephone number at current cursor place is transferred to from telephone line, or the like.Button shown in Fig. 3 A only is schematically, can increase, reduces, substitute relevant button as required.The order that user interface 10 will receive outputs to processor 20 to carry out respective handling.As shown in Figure 3A, SIM card can be inserted in the SIM card interface, or therefrom be extracted.

Fig. 3 B shows the bottom of dialer.Shown in Fig. 3 B, dialer is integrated telephone wire splitter, wherein telephone wire enters splitter through telephone line interface, and can be connected to telephone set through telephone interface.Another road of splitter links to each other with dial-up circuit 24.Alternatively, dialer also can not integrated splitter, but only inserts telephone wire, also is provided to the output of telephone set.

Processor 20 controls are transferred to number read-write, number demonstration and the realization of SIM card by dial-up circuit.Processor 20 can be a microprocessor for example, microcontroller, logical circuit etc.

The free memory of memory can be divided into one or more memory block, but the content of the yellow pages of each memory block back-up storage one SIM card.When but memory has only a current time spent of memory block, this memory block is default district.

What Fig. 4 showed 20 pairs of SIM card yellow pages of processor reads and writes control flow.As shown in Figure 4, when duplicating, processor 20 exists

Step S1: detect the SIM card socket that SIM card is inserted dialer;

Step S2: detect by reading key;

Step S3: enter the memory block selection mode, show current memory block number;

Step S4: response is switched memory block number (1,2,3,4) by the upper and lower key that turns over;

Step S5: detect by reading key;

Step S6: whether display reminding the covering memory record;

Step S7: detect by reading key, begin to duplicate, the information content of SIM card yellow pages is read out in the memory block of selecting; In this process, can show the progress of reading, step S8.But and read finish after display result, step S9.

When writing card, processor 20 exists

Step S1: detect the SIM card socket that SIM card is inserted dialer;

Step S10: detect by writing the card key;

Step S11: enter the memory block selection mode, show current memory block number;

Step S12: response is switched memory block number (1,2,3,4) by the upper and lower key that turns over;

Step S13: detect by writing the card key;

Step S14: whether display reminding covers the SIM card record;

Step S15: begin to write card by writing the card key, the information content of the memory block of selection is written in the SIM card yellow pages; In this process, can show and write degree of sticking into, step S16.But and display result after writing card and finishing, step S17.

Fig. 5 shows that processor 20 control numbers are checked and the flow process of dial feature.As shown in Figure 5, processor 20 exists

Step S20: detect simultaneously by the upper and lower key that turns over, enter the memory block selection mode;

Step S21: response is switched memory block number (1,2,3,4) by the upper and lower key that turns over;

Step S22: detect by page turning key and confirm to select, enter the number show state;

Step S23: detect by upper and lower key and/or the page turning key of turning over, switch to the number that to select;

Shown in frame of broken lines, the phone off-hook is transferred to prefix number alternatively, IP number for example, and area code special number etc., exists then

Step S24: detect by dial key control dial-up circuit Outgoing Number.

What Figure 4 and 5 showed only is the example of the embodiment of the invention.Those skilled in the art can be according to the present invention to wherein step and order thereof, and the button selection operation increases, subtracts or adjusts.

What directly be connected with the telephone network telephone line is telephone dialer circuit, sees Fig. 2.Preferably, can adopt through relay and the scheme that connects, the purpose of doing like this has 3: (1) is simple in structure, is easy to realize; (2) be relay normally open when not working, telephone dialer circuit does not insert, and does not influence the normal use of telephone set, even this device damage; (3) can use telephone set to monitor number and whether transfer to, and relay disconnects when FD finished dialing, by the telephone set work that continues.

Fig. 6 is dial-up circuit figure.Telephone dialer circuit is connected with telephone line with relay by the polar protective circuit of being made up of 4 diodes, guarantees the nonpolarity of connection, and is connected disengaging fully with telephone line when standby, guarantees the safety of phone dialer and telephone line.Control signal (CPU pin21 pin) from CPU when standby remains on high level, relay K is often opened, telephone dialer circuit does not insert, the selected telephone number that (pressing dial key) CPU sends memory here when preparing dialing is compiled and is exported from HT9200A pin7 pin for corresponding D TMF signal, CPU at first sends control signal on the signal sequence, the saltus step of CPU pin21 pin is low high level, the Q1 conducting, the relay K adhesive, telephone dialer circuit is access in telephone line, and Q2 is conducting thereupon, postpones 300ms after the saltus step of CPU pin21 pin signal, relay adhesive and Q1 working stability, CPU sends the DTMF digital signal, and the dtmf signal that is converted to simulation by HT9200A is by the output of pin7 pin, through capacitor C 1, C2, the waveform shaping circuit that C3 and resistance R 3 are formed, add Q2 and carry out (electric current) amplification, send to telephone line at last, dtmf signal finishes the back and postpones 100ms, and high-low level is returned in the saltus step of CPU pin21 pin, relay discharges, and telephone dialer circuit breaks away from telephone line.

In whole dialing procedure, with it and the telephone set that connects should be in off hook state.

Circuit structure shown in Fig. 6 only is an example that can be used for dial-up circuit of the present invention, and those skilled in the art can expect the dial-up circuit structure that other is suitable according to the present invention.

Claims

1. landline telephone SIM card dialer comprises:

Subscriber identity module SIM card interface is used for the reading SIM card telephone book stored;

User interface is used to accept user's operating command, and provides the information indication to the user;

Memory comprises one or more district, and each district is used to store the described yellow pages that read;

Dial-up circuit can be attempted by on the telephone wire with landline telephone, is used for dialing on telephone wire assigned telephone number; With

Processor is configured to

When it detects the user via the reading order of user interface input, control described SIM card interface from SIM card, read yellow pages and be stored in the default of described memory or the district selected via user interface by the user in; And

The response that presents and by user interface the information that is presented is made according to the user by the control user interface information of carrying out, accept the selection of user, on described telephone wire, dial selected telephone number thereby control described dial-up circuit to assigned telephone number in default district or the designation area.

2. according to the landline telephone SIM card dialer of claim 1, wherein said SIM card interface can also write SIM card, described processor also is configured to when it detects the user via the write command of user interface input, control that described SIM card interface writes the default of described memory in SIM card or the district selected via user interface by the user in yellow pages.

3. according to the landline telephone SIM card dialer of claim 1, wherein said user interface comprises the display that is used to carry out the button of corresponding operating and is used for showing to the user described information.

4. according to the landline telephone SIM card dialer of claim 3, wherein said memory also is used to store Chinese character base, and described processor can show the described information that comprises Chinese character according to described Chinese character base on described display.

5. according to the landline telephone SIM card dialer of claim 1, wherein said dial-up circuit when not dialling and telephone wire disconnect.

6. according to the landline telephone SIM card dialer of claim 5, wherein said dial-up circuit is connected with telephone line by relay.

7. according to the landline telephone SIM card dialer of claim 1, wherein telephone wire links to each other with phone through this landline telephone SIM card dialer.