CN101695197A - Wireless access equipment, circuit thereof and method for realizing wireless two-stage dialing - Google Patents
Wireless access equipment, circuit thereof and method for realizing wireless two-stage dialing Download PDFInfo
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- CN101695197A CN101695197A CN200910193377A CN200910193377A CN101695197A CN 101695197 A CN101695197 A CN 101695197A CN 200910193377 A CN200910193377 A CN 200910193377A CN 200910193377 A CN200910193377 A CN 200910193377A CN 101695197 A CN101695197 A CN 101695197A
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Abstract
The invention discloses wireless access equipment, a circuit thereof and a method for realizing wireless two-stage dialing. The method includes the following steps: detecting whether a DTMF (dual tone multiple frequency) signal is inputted or not after the establishment of wireless communication; closing an upward audio channel and decoding the inputted DTMF signal so that a DTMF value can be obtained after the input of the DTMF signal is confirmed by detection; and sending the DTMF value to a base station by a signaling channel. The invention adopts the signaling channel for transmitting the DTMF value, thereby avoiding the problem that after being transmitted by a wireless network audio channel, the DTMF signal suffers interruption and distortion, which leads to the incorrect analysis of a receiver, and increasing the success rate of the wireless access equipment on two-stage dialing.
Description
Technical field
The present invention relates to communication technical field, particularly relate to radio reception device, circuit and realize the method for wireless two-stage dialing.
Background technology
The gsm wireless access device generally comprises user interface circuit (SLIC), dual-tone multifrequency (DTFM) decoding circuit, control circuit and the gsm wireless module that connects in regular turn.The gsm wireless access device is widely used in every field with its characteristics that installation is convenient, easy to use, maintenance cost is low.Wherein, the voice access function is the Core Feature that the gsm wireless access device is realized, guarantees correct, the stable foundation of voice link, is the prerequisite that realizes phonetic function.
Variation along with the application scenario, the user in use tends to run into the situation that need carry out two-stage dialing, as: dial extension set, dial information service center selection function menu etc., therefore, in communication process, the number that the user dialled correctly is sent to the problem that the recipient is the required solution of gsm wireless access device.
The method of existing techniques in realizing two-stage dialing is: entering under the talking state, common phone pushes button and produces dtmf tone signal frequently, the MIC end of dtmf tone frequency signal being delivered to the gsm wireless module by the 2-4 line translation function of SLIC is the microphone input, the gsm wireless module to audio-frequency signal coding after voice channel by the GSM networking send the base station, the base station is sent to receiving terminal with information.
That is to say that prior art directly is sent to the recipient by the voice-grade channel of wireless module with the dtmf tone frequency signal that two-stage dialing produced.But when relatively poor or encoding and decoding went wrong in the GSM network stabilization, dtmf signal can produce interrupted and distortion after through gsm wireless network audio channel transfer, cause the recipient correctly to resolve, and affects for user's normal use.Therefore, be necessary to improve the success rate of gsm wireless access device two-stage dialing.
Summary of the invention
The technical problem that the present invention mainly solves provides a kind of radio reception device, circuit and realizes the method for wireless two-stage dialing, can improve the success rate of radio reception device two-stage dialing.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: a kind of method that realizes wireless two-stage dialing is provided, after setting up wireless communication, detects whether the input of dual tone multi-frequency dtmf signal is arranged; When having detected the touch-tone signal input, close the upstream tones passage, and the touch-tone signal of described input is decoded, obtain dual-tone multifrequency numerical value; By signaling channel described dual-tone multifrequency numerical value is sent to the base station.
Wherein, described step of closing the upstream tones passage comprises: before the dtmf signal of described input is sent to the recipient from the voice-grade channel of wireless module, opens the DTMF decoding chip and also use its EST function foot control system circuit that the dtmf signal of described input is carried out filtering.
Wherein, described touch-tone signal to described input is decoded and the step that obtains dual-tone multifrequency numerical value comprises: obtain pairing DTMF numerical value thereby resolve described dtmf signal by the DTMF decoding chip after the described unlatching, and described DTMF is imported described wireless module from the I/O mouth.
Wherein, whether have the step of dual tone multi-frequency dtmf signal input comprise if also detecting after setting up wireless communication: employing user interface SLIC module is carried out the conversion of 2-4 line, isolates upstream tones signal MIC; Described MIC is imported upstream tones control module and described DTMF decoding chip respectively; Described DTMF decoding chip detects in the described MIC signal whether dtmf signal is arranged.
Wherein, after by signaling channel described dual-tone multifrequency numerical value being sent to the step of base station, also comprise: described base station produces the touch-tone signal of standard and delivers to receiving terminal according to described dual-tone multifrequency numerical value.
For solving the problems of the technologies described above, another technical solution used in the present invention is: a kind of radio reception device is provided, comprise: the wireless module of Lian Jieing, upstream tones control module, DTMF decoding chip and SLIC module in regular turn, described DTMF decoding chip comprises: detecting unit, whether be used for after setting up wireless communication, detecting described SLIC module has the input of dual tone multi-frequency dtmf signal; The upload control unit is used for closing the upstream tones passage of described upstream tones control module when having detected the dtmf signal input; Decoding unit obtains DTMF numerical value thereby be used for the dtmf signal of described input decoded; Transmitting element is used for described DTMF numerical value is delivered to described wireless module, indicates described wireless module to send described DTMF numerical value by signaling channel to the base station.
Wherein, described SLIC module also connects described upstream tones control module, and sends the upstream tones signal to described upstream tones control module and DTMF decoding chip simultaneously after setting up wireless communication.
Wherein, described upload control unit connects described upstream tones control module by the EST function pin of described DTMF decoding chip, and the dtmf signal by the described input upstream tones of described EST function pin control module carries out filtering to close the upstream tones passage of described upstream tones control module.
Wherein, described upload control unit is further used for opening the upstream tones passage of described upstream tones control module when detecting the input of no dtmf signal.
For solving the problems of the technologies described above, another technical scheme that the present invention adopts is: a kind of circuit of radio reception device is provided, comprises: detecting unit, be used for after setting up wireless communication, and detect whether the input of dual tone multi-frequency dtmf signal is arranged; The upload control unit is used for when having detected the dtmf signal input upstream tones passage of closing device; Decoding unit obtains DTMF numerical value thereby be used for the dtmf signal of described input decoded; Transmitting element is used for the wireless module of equipment that described DTMF numerical value is delivered to, and indicates it to send described DTMF numerical value by signaling channel to the base station.
The invention has the beneficial effects as follows: be different from the prior art dtmf signal and adopt the voice-grade channel transmission dtmf signal that two-stage dialing produced and cause the recipient can't correctly resolve the situation of dtmf signal, whether the present invention detects earlier after setting up wireless communication the input of dual tone multi-frequency dtmf signal, when having detected the touch-tone signal input, close the upstream tones passage, do not adopt the voice-grade channel transmitting DTMF signals, simultaneously the touch-tone signal of described input is decoded, obtain dual-tone multifrequency numerical value, adopt signaling channel transmitting DTMF numerical value at last, because signaling channel transmission is digital signal and non-audio signals, therefore antijamming capability is strong, can improve the success rate of radio reception device two-stage dialing.
Description of drawings
Fig. 1 is the flow chart that the present invention realizes method one embodiment of wireless two-stage dialing;
Fig. 2 is the flow chart that the present invention realizes another embodiment of method of wireless two-stage dialing;
Fig. 3 is the circuit block diagram of radio reception device embodiment of the present invention;
Fig. 4 is the circuit block diagram of the circuit embodiments of radio reception device among Fig. 3.
Embodiment
Consult Fig. 1, the present invention realizes that the method embodiment of wireless two-stage dialing mainly may further comprise the steps:
Step 101: after setting up wireless communication, detect whether the input of dual tone multi-frequency dtmf signal is arranged;
The user is using radio reception device to set up wireless communication, in use run into the situation that need carry out two-stage dialing as: dial extension set, dial information service center selection function menu etc., at this moment the user can be according to pointing out button again, and the dtmf signal that these buttons produce may be imported the user interface SLIC module of wireless device together with other audio signals;
Step 102: when having detected the dtmf signal input, close the upstream tones passage, and the dtmf signal of described input is decoded, obtain DTMF numerical value;
When having detected the dtmf signal input, illustrate that the user is carrying out two-stage dialing, then close the upstream tones passage of wireless device, dtmf signal can not sent by the upstream tones passage; Simultaneously the dtmf signal of input is decoded, obtain digitized DTMF numerical value;
Step 103: described dual-tone multifrequency numerical value is sent to the base station by signaling channel.
Being different from the prior art dtmf signal adopts the voice-grade channel transmission dtmf signal that two-stage dialing produced and causes the recipient can't correctly resolve the situation of dtmf signal, whether the present invention detects earlier after setting up wireless communication the input of dual tone multi-frequency dtmf signal, when having detected the dtmf signal input, close the upstream tones passage, do not adopt the voice-grade channel transmitting DTMF signals, simultaneously the dtmf signal of described input is decoded, obtain DTMF numerical value, adopt signaling channel transmitting DTMF numerical value at last, because signaling channel transmission is digital signal and non-audio signals, therefore antijamming capability is strong, can improve the success rate of radio reception device two-stage dialing.
In one embodiment of the invention, the method for closing the upstream tones passage can have a variety of, wherein a kind ofly is:
Before the dtmf signal of described input is sent to the recipient from the voice-grade channel of wireless module, opens the DTMF decoding chip and also use its EST function foot control system circuit that the dtmf signal of described input is carried out filtering.Utilize the EST function pin of DTMF decoding chip to close voice-grade channel, can make full use of the available circuit structure, alleviate cost.
In another embodiment, described dtmf signal to described input is decoded and the step that obtains DTMF numerical value comprises:
Thereby resolve described dtmf signal by the DTMF decoding chip after the described unlatching and obtain pairing DTMF numerical value, and described DTMF is imported described wireless module from the I/O mouth.
The foregoing description provides a kind of preferable approach for DTMF numerical value is transferred to wireless module from the DTMF decoding chip, can alleviate cost.
Consult Fig. 2, whether in a specific embodiment, also detecting after setting up wireless communication has the step of dual tone multi-frequency dtmf signal input to comprise:
1) adopts user interface SLIC module to carry out the conversion of 2-4 line, isolate upstream tones signal MIC;
2) described MIC is imported upstream tones control module and described DTMF decoding chip respectively;
3) described DTMF decoding chip detects in the described MIC signal whether dtmf signal is arranged.
And after by signaling channel described DTMF numerical value being sent to the step of base station, described base station produces the standard DTMF signal and delivers to receiving terminal according to described DTMF numerical value.
On the other hand, if detect in the step 101 when importing, following flow process is arranged less than the dual tone multi-frequency dtmf signal:
1) control upstream tones control circuit is opened the upstream tones passage;
2) voice signal is delivered to the gsm wireless module;
3) described gsm wireless module is delivered to the base station by voice channel with voice;
4) receiving terminal is delivered to voice signal in described base station, and user's sound is then heard in the opposite end.
Consult Fig. 3 and Fig. 4, the present invention also provides a kind of radio reception device embodiment, comprising: the wireless module of Lian Jieing, upstream tones control module, DTMF decoding chip and SLIC module in regular turn, and described DTMF decoding chip comprises:
Detecting unit is used for after setting up wireless communication, and whether detect described SLIC module has the input of dual tone multi-frequency dtmf signal;
The upload control unit is used for closing the upstream tones passage of described upstream tones control module when having detected the dtmf signal input;
Decoding unit obtains DTMF numerical value thereby be used for the dtmf signal of described input decoded;
Transmitting element is used for described DTMF numerical value is delivered to described wireless module, indicates described wireless module to send described DTMF numerical value by signaling channel to the base station.
Obviously, radio reception device of the present invention does not adopt voice-grade channel and adopts signaling channel transmitting DTMF numerical value, because signaling channel transmission is digital signal and non-audio signals, so antijamming capability is strong, can improve the success rate of radio reception device two-stage dialing.
In one embodiment, described SLIC module also connects described upstream tones control module, and sends the upstream tones signal to described upstream tones control module and DTMF decoding chip simultaneously after setting up wireless communication.Certainly, described SLIC module can be connected to the upstream tones control module by the DTMF decoding chip, is not connected directly to the upstream tones control module.
In another embodiment, described upload control unit connects described upstream tones control module by the EST function pin of described DTMF decoding chip, and the dtmf signal by the described input upstream tones of described EST function pin control module carries out filtering to close the upstream tones passage of described upstream tones control module.
If the user does not carry out two-stage dialing, the upstream tones passage of described upstream tones control module then when detecting the input of no dtmf signal, is opened in that described upload control unit.
Described wireless module is various two generations or three generations's wireless module, such as being the gsm wireless module.
As shown in Figure 4, the present invention also provides a kind of circuit of radio reception device, comprising:
Detecting unit is used for after setting up wireless communication, detects whether the input of dual tone multi-frequency dtmf signal is arranged;
The upload control unit is used for when having detected the dtmf signal input upstream tones passage of closing device;
Decoding unit obtains DTMF numerical value thereby be used for the dtmf signal of described input decoded;
Transmitting element is used for the wireless module of equipment that described DTMF numerical value is delivered to, and indicates it to send described DTMF numerical value by signaling channel to the base station.
The above only is embodiments of the invention; be not so limit claim of the present invention; every equivalent structure or equivalent flow process conversion that utilizes specification of the present invention and accompanying drawing content to be done; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present invention.
Claims (10)
1. a method that realizes wireless two-stage dialing is characterized in that, comprising:
After setting up wireless communication, detect whether the input of dual tone multi-frequency dtmf signal is arranged;
When having detected the touch-tone signal input, close the upstream tones passage, and the touch-tone signal of described input is decoded, obtain dual-tone multifrequency numerical value;
By signaling channel described dual-tone multifrequency numerical value is sent to the base station.
2. the method for the wireless two-stage dialing of realization according to claim 1 is characterized in that, described step of closing the upstream tones passage comprises:
Before the dtmf signal of described input is sent to the recipient from the voice-grade channel of wireless module, opens the DTMF decoding chip and also use its EST function foot control system circuit that the dtmf signal of described input is carried out filtering.
3. the method for the wireless two-stage dialing of realization according to claim 2 is characterized in that, described touch-tone signal to described input is decoded and the step that obtains dual-tone multifrequency numerical value comprises:
Thereby resolve described dtmf signal by the DTMF decoding chip after the described unlatching and obtain pairing DTMF numerical value, and described DTMF is imported described wireless module from the I/O mouth.
4. the method for the wireless two-stage dialing of realization according to claim 2 is characterized in that, whether also detect after setting up wireless communication has the step of dual tone multi-frequency dtmf signal input to comprise:
Adopt user interface SLIC module to carry out the conversion of 2-4 line, isolate upstream tones signal MIC;
Described MIC is imported upstream tones control module and described DTMF decoding chip respectively;
Described DTMF decoding chip detects in the described MIC signal whether dtmf signal is arranged.
5. according to the method for the wireless two-stage dialing of each described realization of claim 1 to 4, it is characterized in that,
After described dual-tone multifrequency numerical value being sent to the step of base station, also comprise by signaling channel:
Described base station produces the touch-tone signal of standard and delivers to receiving terminal according to described dual-tone multifrequency numerical value.
6. a radio reception device is characterized in that, comprising: the wireless module of Lian Jieing, upstream tones control module, DTMF decoding chip and SLIC module in regular turn, and described DTMF decoding chip comprises:
Detecting unit is used for after setting up wireless communication, and whether detect described SLIC module has the input of dual tone multi-frequency dtmf signal;
The upload control unit is used for closing the upstream tones passage of described upstream tones control module when having detected the dtmf signal input;
Decoding unit obtains DTMF numerical value thereby be used for the dtmf signal of described input decoded;
Transmitting element is used for described DTMF numerical value is delivered to described wireless module, indicates described wireless module to send described DTMF numerical value by signaling channel to the base station.
7. radio reception device according to claim 6, it is characterized in that, described SLIC module also connects described upstream tones control module, and sends the upstream tones signal to described upstream tones control module and DTMF decoding chip simultaneously after setting up wireless communication.
8. radio reception device according to claim 7, it is characterized in that, described upload control unit connects described upstream tones control module by the EST function pin of described DTMF decoding chip, and the dtmf signal by the described input upstream tones of described EST function pin control module carries out filtering to close the upstream tones passage of described upstream tones control module.
9. according to each described radio reception device of claim 6 to 8, it is characterized in that described upload control unit is further used for opening the upstream tones passage of described upstream tones control module when detecting the input of no dtmf signal.
10. the circuit of a radio reception device is characterized in that, comprising:
Detecting unit is used for after setting up wireless communication, detects whether the input of dual tone multi-frequency dtmf signal is arranged;
The upload control unit is used for when having detected the dtmf signal input upstream tones passage of closing device;
Decoding unit obtains DTMF numerical value thereby be used for the dtmf signal of described input decoded;
Transmitting element is used for the wireless module of equipment that described DTMF numerical value is delivered to, and indicates it to send described DTMF numerical value by signaling channel to the base station.
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| Application Number | Priority Date | Filing Date | Title |
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| CN200910193377A CN101695197A (en) | 2009-10-23 | 2009-10-23 | Wireless access equipment, circuit thereof and method for realizing wireless two-stage dialing |
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| Application Number | Priority Date | Filing Date | Title |
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| CN200910193377A CN101695197A (en) | 2009-10-23 | 2009-10-23 | Wireless access equipment, circuit thereof and method for realizing wireless two-stage dialing |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102457631A (en) * | 2010-10-21 | 2012-05-16 | 西安龙飞软件有限公司 | Method and device for eliminating in-band dual-tone multi-frequency of 3G (third generation) wireless router |
| CN104735811A (en) * | 2013-12-20 | 2015-06-24 | 创扬通信技术（深圳）有限公司 | Secondary dialing method based on wireless access system and wireless access equipment |
| CN108260029A (en) * | 2018-01-16 | 2018-07-06 | 扬州大正石油科技有限公司 | A kind of explosion-proof phone system |
| CN113965552A (en) * | 2021-10-21 | 2022-01-21 | 合肥移瑞通信技术有限公司 | Communication method of telephone audio signal, telephone system and Voice module |
-
2009
- 2009-10-23 CN CN200910193377A patent/CN101695197A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102457631A (en) * | 2010-10-21 | 2012-05-16 | 西安龙飞软件有限公司 | Method and device for eliminating in-band dual-tone multi-frequency of 3G (third generation) wireless router |
| CN104735811A (en) * | 2013-12-20 | 2015-06-24 | 创扬通信技术（深圳）有限公司 | Secondary dialing method based on wireless access system and wireless access equipment |
| CN104735811B (en) * | 2013-12-20 | 2018-08-17 | 创扬通信技术（深圳）有限公司 | A kind of secondary-dialing method and radio reception device based on wireless access system |
| CN108260029A (en) * | 2018-01-16 | 2018-07-06 | 扬州大正石油科技有限公司 | A kind of explosion-proof phone system |
| CN108260029B (en) * | 2018-01-16 | 2024-02-27 | 扬州大正石油科技有限公司 | Explosion-proof communication system |
| CN113965552A (en) * | 2021-10-21 | 2022-01-21 | 合肥移瑞通信技术有限公司 | Communication method of telephone audio signal, telephone system and Voice module |
| CN113965552B (en) * | 2021-10-21 | 2024-03-29 | 合肥移瑞通信技术有限公司 | Communication method of telephone audio signals, telephone system and Volte module |
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Open date: 20100414 |