CN102868835A - DTMF (dual tone multiple frequency) technology based remote location query method - Google Patents
DTMF (dual tone multiple frequency) technology based remote location query method Download PDFInfo
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- CN102868835A CN102868835A CN201210319432XA CN201210319432A CN102868835A CN 102868835 A CN102868835 A CN 102868835A CN 201210319432X A CN201210319432X A CN 201210319432XA CN 201210319432 A CN201210319432 A CN 201210319432A CN 102868835 A CN102868835 A CN 102868835A
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Abstract
The invention relates to a communication technology. The invention solves the problem that the existing remote location query device is inconvenient to use, and provides a DTMF (dual tone multiple frequency) technology based remote location query method. The technical scheme of the invention can be summarized as follows: a querier calls a phone number of a remote location query device; after receiving the calling request, the remote location query device automatically switches into a DTMF service program, and plays a prestored guiding prompt tone to a phone or mobile communication terminal used by the querier so as to guide the querier to carry out service selection through corresponding keys; the phone or mobile communication terminal modulates a key signal of the querier to a speech waveform data, and transmits the key signal to the remote location query device through a wireless network; and the remote location query device demodulates keys pressed by the querier through the DTMF service program, and enters into an executive program corresponding to corresponding guiding instruction to complete the corresponding instruction. The method disclosed by the invention has the beneficial effects that the method provides convenience for users, and is applicable to remote location query devices.
Description
Technical field
The present invention relates to the communication technology, particularly the technology of remote location inquiry.
Background technology
In recent years, the elderly and children's love machine, the equipment such as bus location instrument emerge in an endless stream, these positioning equipments mainly possess real-time location, voice call, Wireless Data Transmission, the functions such as note/multimedia message, by giving the elderly, children or automobile are equipped with this class positioning equipment, household or car owner can pass through SMS, the position enquiring software of smart mobile phone, the modes such as ethernet terminal are inquired about the people that is concerned about or the positional information of vehicle arrangement, but the message search that these are traditional, the position inquiry modes such as computer inquery are for the elderly or can skillfully not use mobile phone, the user of computer or other intelligent terminals does not but have any effect, they may only can check note and can not use the SMS input or can not use computer, more can not use smart mobile phone software, this just causes the situation that can't carry out the remote location inquiry, uses inconvenient.
Dual-tone multifrequency (Dual Tone Multi Frequency, hereinafter to be referred as DTMF), it is a kind of subscriber signaling between telephone set and the switch in the telephone system, be generally used for sending called number, DTMF is comprised of high frequency group and low frequency group, high frequency group and low frequency group respectively comprise 4 frequencies, a high-frequency signal and a low frequency signal stack form a composite signal, represent a numeral or key information, dtmf signal has 16 codings, whenever press a key and just send the sinusoidal signal combination of a high frequency or low frequency, for example button " 1 " is equivalent to the 697Hz(low frequency) and the 1209Hz(high frequency), can decode these group of frequencies of switch or receiver merge and determine corresponding button.
Summary of the invention
The objective of the invention is to overcome present remote location inquiry unit and use inconvenient shortcoming, a kind of remote location querying method based on the dual-tone multifrequency technology is provided.
The present invention solves its technical problem, and the technical scheme of employing is that the remote location querying method based on the dual-tone multifrequency technology is characterized in that, may further comprise the steps:
Step 1, inquiry pass through the telephone number of phone or communication terminal call remote position enquiring device;
After step 2, remote location inquiry unit receive call request, automatically cut the DTMF service routine;
Step 3, DTMF service routine are play the indication sound that prestores to phone or communication terminal that the inquiry uses, comprise many key instructions in the indication sound, are used for the guiding inquiry and carry out services selection by corresponding button;
Behind step 4, the inquiry's uppick indication sound, select to press corresponding button on phone or the communication terminal according to the key instruction in the indication sound;
Step 5, phone or communication terminal are modulated to this push button signalling on the speech waveform data, by wireless network transmissions to the remote location inquiry unit;
Step 6, remote location inquiry unit demodulate the button that the inquiry broadcasts by the DTMF service routine, and enter executive program corresponding to respective guide instruction, finish command adapted thereto.
Concrete, in the step 3, described key instruction is 2～16.
Further, in the step 3, described key instruction comprises normal talking instruction and position enquiring instruction at least.
Further, described position enquiring instruction comprises message search instruction and voice broadcast instruction.
The invention has the beneficial effects as follows, by above-mentioned remote location querying method based on the dual-tone multifrequency technology, can make the inquiry when remote location inquiry unit user can not use the remote location inquiry unit, still can inquire about user's positional information, make things convenient for the user.
Embodiment
Below in conjunction with embodiment, describe technical scheme of the present invention in detail.
Remote location querying method based on the dual-tone multifrequency technology of the present invention is: at first the inquiry is by the telephone number of phone or communication terminal call remote position enquiring device, the remote location inquiry unit is after receiving call request, automatically cut the DTMF service routine, then the DTMF service routine is play the indication sound that prestores to phone or communication terminal that the inquiry uses, comprise key instruction in the indication sound, be used for the guiding inquiry and carry out services selection by corresponding button, behind inquiry's uppick indication sound, select to press corresponding button on phone or the communication terminal according to the key instruction in the indication sound, phone or communication terminal are modulated to this push button signalling on the speech waveform data again, by wireless network transmissions to the remote location inquiry unit, last remote location inquiry unit demodulates the button that the inquiry broadcasts by the DTMF service routine, and enter executive program corresponding to respective guide instruction, finish command adapted thereto.
Embodiment
This example be 2～16 based on key instruction in the remote location querying method of dual-tone multifrequency technology because dtmf signal only has 16 codings, and as required, user or service provider can set the key instructions that are not less than 16 such as 3,4,5.
At first the inquiry is by the telephone number of phone or communication terminal call remote position enquiring device, the remote location inquiry unit is after receiving call request, automatically cut the DTMF service routine, then the DTMF service routine is play the indication sound that prestores to phone or communication terminal that the inquiry uses, comprise key instruction in the indication sound, be used for the guiding inquiry and carry out services selection by corresponding button, at least comprise normal talking instruction and position enquiring instruction in the key instruction, and the position enquiring instruction can comprise message search instruction and voice broadcast instruction etc., behind inquiry's uppick indication sound, select to press corresponding button on phone or the communication terminal according to the key instruction in the indication sound, phone or communication terminal are modulated to this push button signalling on the speech waveform data again, by wireless network transmissions to the remote location inquiry unit, last remote location inquiry unit demodulates the button that the inquiry broadcasts by the DTMF service routine, and enter executive program corresponding to respective guide instruction, finish command adapted thereto.
This example is take key instruction as the normal talking instruction, message search instruction and voice broadcast instruction, the inquiry uses communication terminal to be example, like this voice content of key instruction can for normal talking please by 1, the message search position is please by 2, the voice broadcast position is please by 3, behind inquiry's uppick indication sound, select to press corresponding button on phone or the communication terminal according to the key instruction in the indication sound, such as needs normal talking then push button " 1 ", then communication terminal is modulated to this push button signalling on the speech waveform data again, by wireless network transmissions to the remote location inquiry unit, then the remote location inquiry unit is button " 1 " by the button that the DTMF service routine demodulates inquiry's broadcast, and then the DTMF service routine is controlled this remote location inquiry unit and entered the normal talking state; As the position that needs this remote location inquiry unit of message search then push button " 2 ", then communication terminal is modulated to this push button signalling on the speech waveform data again, by wireless network transmissions to the remote location inquiry unit, then the remote location inquiry unit is button " 2 " by the button that the DTMF service routine demodulates inquiry's broadcast, then the DTMF service routine is controlled this remote location inquiry unit and is obtained current location information, and automatically sends to inquiry's communication terminal by note; As the position that needs this remote location inquiry unit of voice broadcast then push button " 3 ", then communication terminal is modulated to this push button signalling on the speech waveform data again, by wireless network transmissions to the remote location inquiry unit, then the remote location inquiry unit is button " 3 " by the button that the DTMF service routine demodulates inquiry's broadcast, then the DTMF service routine is controlled this remote location inquiry unit and is obtained current location information, and according to each position report information that prestores and current location information making current location voice broadcast information, then play this current location voice broadcast information to inquiry's communication terminal.
Claims (4)
1. based on the remote location querying method of dual-tone multifrequency technology, it is characterized in that, may further comprise the steps:
Step 1, inquiry pass through the telephone number of phone or communication terminal call remote position enquiring device;
After step 2, remote location inquiry unit receive call request, automatically cut the DTMF service routine;
Step 3, DTMF service routine are play the indication sound that prestores to phone or communication terminal that the inquiry uses, comprise many key instructions in the indication sound, are used for the guiding inquiry and carry out services selection by corresponding button;
Behind step 4, the inquiry's uppick indication sound, select to press corresponding button on phone or the communication terminal according to the key instruction in the indication sound;
Step 5, phone or communication terminal are modulated to this push button signalling on the speech waveform data, by wireless network transmissions to the remote location inquiry unit;
Step 6, remote location inquiry unit demodulate the button that the inquiry broadcasts by the DTMF service routine, and enter executive program corresponding to respective guide instruction, finish command adapted thereto.
2. described remote location querying method based on the dual-tone multifrequency technology according to claim 1 is characterized in that, in the step 3, described key instruction is 2～16.
3. described remote location querying method based on the dual-tone multifrequency technology according to claim 1 is characterized in that, in the step 3, described key instruction comprises normal talking instruction and position enquiring instruction at least.
4. described remote location querying method based on the dual-tone multifrequency technology according to claim 1 is characterized in that, described position enquiring instruction comprises message search instruction and voice broadcast instruction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210319432XA CN102868835A (en) | 2012-08-31 | 2012-08-31 | DTMF (dual tone multiple frequency) technology based remote location query method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210319432XA CN102868835A (en) | 2012-08-31 | 2012-08-31 | DTMF (dual tone multiple frequency) technology based remote location query method |
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| CN102868835A true CN102868835A (en) | 2013-01-09 |
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| CN201210319432XA Pending CN102868835A (en) | 2012-08-31 | 2012-08-31 | DTMF (dual tone multiple frequency) technology based remote location query method |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1277786A (en) * | 1997-08-29 | 2000-12-20 | 诺基亚流动电话有限公司 | A system for remotely accessing data stored in a radiotelephone |
| CN201018565Y (en) * | 2007-02-08 | 2008-02-06 | 刘维明 | Vehicle remote satellite positioning antitheft alarm monitoring system |
| US20090298469A1 (en) * | 2008-05-27 | 2009-12-03 | Jong-Hwan Kim | Mobile terminal and method for remote-controlling thereof |
| CN101883183A (en) * | 2010-06-13 | 2010-11-10 | 中兴通讯股份有限公司 | Remote control method and system for mobile terminal and mobile terminal |
-
2012
- 2012-08-31 CN CN201210319432XA patent/CN102868835A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1277786A (en) * | 1997-08-29 | 2000-12-20 | 诺基亚流动电话有限公司 | A system for remotely accessing data stored in a radiotelephone |
| CN201018565Y (en) * | 2007-02-08 | 2008-02-06 | 刘维明 | Vehicle remote satellite positioning antitheft alarm monitoring system |
| US20090298469A1 (en) * | 2008-05-27 | 2009-12-03 | Jong-Hwan Kim | Mobile terminal and method for remote-controlling thereof |
| CN101883183A (en) * | 2010-06-13 | 2010-11-10 | 中兴通讯股份有限公司 | Remote control method and system for mobile terminal and mobile terminal |
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Application publication date: 20130109 |