CN101197886B - Novel analog voice card with wireless communication network access function - Google Patents
Novel analog voice card with wireless communication network access function Download PDFInfo
- Publication number
- CN101197886B CN101197886B CN200610164855A CN200610164855A CN101197886B CN 101197886 B CN101197886 B CN 101197886B CN 200610164855 A CN200610164855 A CN 200610164855A CN 200610164855 A CN200610164855 A CN 200610164855A CN 101197886 B CN101197886 B CN 101197886B
- Authority
- CN
- China
- Prior art keywords
- circuit
- wireless communication
- interface circuit
- signal
- digital signal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a novel analog voice card provided with wireless communication access function and is characterized in that: the novel analog voice card is integrated with a wireless communication circuit (consisting of a wireless communication module, a CODEC circuit and a serial port interface circuit), a digital signal circuit (consisting of a voice data exchange circuit, a digital signal processing circuit and a control circuit) and a PC interface circuit (can be a PCI interface circuit or a USB interface circuit or an ISA interface circuit). The invention can take advantage of thewireless communication module to realize the interaction with a handset wireless communication network, and takes the voice data in the wireless communication network for recording, playing, monitoring, fax, meetings and so on.
Description
Technical field
The present invention relates to a kind of analog voice card, refer to the analog voice card that has the wireless telecommunications access function in a kind of CTI of being applied to (the compuphone voice are integrated) field especially.This analog voice card can with the mobile phone wireless communication network interaction, realize utilizing wireless communication networks to converse, and to the voice signal on the wireless communication networks record, playback, monitoring, transmitting-receiving note, fax, meeting etc.
Background technology
As shown in Figure 1, at present, existing analog voice card normally is made up of voice module circuit (comprising PSTN interface circuit, CODEC circuit), digital signal circuit (comprising voice data exchange circuit, digital signal processing circuit, control circuit) and computer interface circuit; Its major function is by the PSTN network interface circuit in the voice module circuit, with the voice signal on the PSTN network record, playback, monitoring, fax, meeting etc.As shown in Figure 1, the voice signal that is sent by the PSTN communication network is transferred to the CODEC circuit through the PSTN interface circuit, the CODEC circuit carries out A/D coding back with voice signal speech data is exported to the voice data exchange circuit, the voice data exchange circuit exchanges voice signal to digital signal processing circuit, (volume as audio signal is amplified/is reduced after voice signal being carried out the processing of appointment by digital signal processing circuit, frequency modulation, amplitude modulation etc.), digital signal processing circuit is recorded by the computer interface circuit transmission voice signal after handling to computer, playback, monitor etc.In like manner, voice document on the computer is given digital signal processing circuit by the computer interface circuit transmission, digital signal processing circuit carries out voice signal after the processing of appointment voice signal being transferred to the voice data exchange circuit, the voice data exchange circuit exchanges the circuit to CODEC to voice signal, by the CODEC circuit speech data is carried out exporting to the PSTN interface circuit after the D/A conversion, send signal to the PSTN communication network through the PSTN interface circuit.The data I/O end of the control circuit in the digital signal circuit links to each other with computer by the computer interface circuit, obtains the control command of computer machine output; The control signal output ends of control circuit links to each other with the control end of CODEC circuit, serial interface circuit, voice data exchange circuit respectively.Control circuit plays the work of control voice module circuit in whole transfer of data, exchange process, control, coordinate the effect of each element circuit sequential.
Existing analog voice card mainly be realize to the voice signal on the PSTN network record, playback, monitoring, fax, meeting etc.High speed development along with the mobile phone wireless communication network, the reduction of mobile phone wireless communication rate, the expansion of wireless communication networks area coverage, the user of wireless communication networks is more and more, how to realize new problem with the speech data on the wireless communication networks is recorded, playback, monitoring, fax etc. become people's research, particularly, along with many application based on the mobile phone wireless communication network platform are more and more, this problem more and more becomes people's urgent problem.But, also do not have the analog voice card of wireless communication network access function in the market.
Summary of the invention
In order to strengthen the range of application of analog voice card, realize mutual with wireless communication networks, the purpose of this invention is to provide a kind of can with the mutual analog voice card that has wireless communication network access function of wireless communication networks.
For achieving the above object, the present invention by the following technical solutions: a kind of analog voice card that has wireless communication network access function is characterized in that: be integrated with wireless communication line, digital signal circuit and computer interface circuit on this analog voice card;
The speech data signal I/O end of wireless communication line links to each other with the speech data signal I/O end of digital signal circuit in " ST BUS " mode; The signal I/O end of wireless communication line links to each other with the signal I/O end of digital signal circuit in " HPI BUS " mode, and the mode with " HPIBUS " links to each other with the signal I/O end of computer interface circuit equally, carries out the transmission of speech data; The signal I/O end of digital signal circuit links to each other with the signal I/O end of computer interface circuit in " HPI BUS " mode, carries out the transmission of speech data;
Wireless communication line receives the voice signal on the wireless communication networks, is transferred to digital signal circuit by " ST BUS "; Behind the audio digital signals that the wireless communication line that receives digital signal circuit transmits, it is handled, be transferred to the computer interface circuit by " HPI BUS " then, the computer interface circuit is transferred to PC by " PC BUS " with audio digital signals; In like manner, PC can also be transferred to the computer interface circuit with audio digital signals by " PC BUS ", the computer interface circuit is transferred to digital signal circuit by " HPIBUS " again, digital signal circuit is handled the back to it and by " ST BUS " audio digital signals is transferred to wireless communication line, and wireless communication line sends to wireless communication networks with voice signal.
Described wireless communication line is made of wireless communication module, CODEC circuit and serial interface circuit; Digital signal circuit is made of voice data exchange circuit, digital signal processing circuit and control circuit;
The analog signal I/O end of wireless communication module links to each other with the analog signal I/O end of CODEC circuit, and the digital signal I/O end of CODEC circuit links to each other with the digital signal I/O end of voice data exchange circuit;
Another group digital signal I/O end of voice data exchange circuit links to each other with the set of number signal I/O end of digital signal processing circuit, another group digital signal I/O end of digital signal processing circuit links to each other with the computer interface circuit, links to each other with computer by the computer interface circuit;
Another group of digital signal I/O end of voice data exchange circuit directly links to each other with the computer interface circuit, links to each other with computer by the computer interface circuit;
The serial ports of wireless communication module links to each other with the computer interface circuit by the serial interface circuit, carries out transfer of data by computer interface circuit and computer;
One group of data I/O end of control circuit links to each other with computer by the computer interface circuit, obtains the control command of computer output; The control signal output ends of control circuit links to each other with the control end of CODEC circuit, serial interface circuit, voice data exchange circuit respectively; The control signal output ends of control circuit also links to each other with the serial ports of wireless communication module by the serial interface circuit.
Described wireless communication module is gsm module or CDMA module.
Described computer interface circuit can be pci interface circuit or usb circuit or ISA interface circuit.
Characteristics of the present invention are: have wireless communication network access function, can realize mutual with wireless communication networks, have with the speech data on the wireless communication networks record, functions such as playback, monitoring, transmitting-receiving note, fax, meeting.
Description of drawings
Fig. 1 is existing analog voice card principle of compositionality block diagram;
Fig. 2 has the analog voice card principle of compositionality block diagram of wireless communication network access function for the present invention;
Fig. 3---Fig. 5 has another principle of compositionality block diagram of analog voice card of wireless communication network access function for the present invention; Fig. 6 has the analog voice card specific embodiment sound card principle of compositionality block diagram of wireless telecommunications access function for the present invention;
Fig. 7 constitutes the concrete connecting circuit figure of the main pin of gsm module circuit of wireless communication line for the present invention;
Fig. 8 constitutes the GODEG circuit physical circuit figure of wireless communication line for the present invention;
Fig. 9 constitutes the serial interface circuit physical circuit figure of wireless communication line for the present invention;
Figure 10 constitutes the voice data exchange circuit physical circuit figure of digital signal circuit for the present invention;
Figure 11 constitutes the control circuit physical circuit figure of digital signal circuit for the present invention;
Figure 12 constitutes the digital signal processing circuit physical circuit figure of digital signal circuit for the present invention;
Figure 13 is pci interface circuit physical circuit figure of the present invention.
Embodiment
As shown in Figure 2, be integrated with wireless communication line 1, digital signal circuit 2 and computer interface circuit 3 on the analog voice card that has a wireless communication network access function disclosed by the invention.
The speech data signal I/O end of wireless communication line 1 links to each other with the speech data signal I/O end of digital signal circuit 2 in the mode of " ST BUS ".The signal I/O end of wireless communication line 1 links to each other with the signal I/O end of digital signal circuit 2 in the mode of " HPI BUS "; And the mode with " HPI BUS " links to each other with the signal I/O end of computer interface circuit 3 equally.
Below in conjunction with Fig. 6 the formation that the present invention has the analog voice card of wireless communication network access function is described in further detail.As shown in Figure 6, be integrated with wireless communication line 1, digital signal circuit 2 and computer interface circuit 3 (as the pci interface circuit) on the analog voice card that has a wireless communication network access function disclosed by the invention.Wireless communication line 1 is made of wireless communication module (as gsm module, CDMA module), CODEC circuit and serial interface circuit; Digital signal circuit 2 is made of voice data exchange circuit, digital signal processing circuit and control circuit.The analog signal I/O end of wireless communication module links to each other with the analog signal I/O end of CODEC circuit, and the digital signal I/O end of CODEC circuit links to each other with the digital signal I/O end of voice data exchange circuit.Wireless communication module receives the voice signal that telecommunication bureau's wireless communication base station is transmitted, and it is transferred to the CODEC circuit, by the CODEC circuit audio signal of simulation is carried out mould/number conversion, converts audio digital signals to and is transferred to the voice data exchange circuit; In like manner, the CODEC circuit also can receive the audio digital signals of voice data exchange circuit transmission, and it is carried out D/A switch, converts analog voice signal to and is transferred to wireless communication module, transfers to called subscriber's mobile phone by wireless communication base station, telecommunication bureau.Another group digital signal I/O end of voice data exchange circuit links to each other with the set of number signal I/O end of digital signal processing circuit, another group digital signal I/O end of digital signal processing circuit links to each other with the pci interface circuit, links to each other with computer by the pci interface circuit.After digital signal processing circuit receives the digital audio and video signals of voice data exchange circuit transmission, to its handle (as volume amplify/reduce, frequency modulation, amplitude modulation etc.), give computer by the pci interface circuit transmission then, note, fax, meeting etc. are recorded, monitor, received and dispatched to the voice signal that above-mentioned treated wireless communication module receives by computer; In like manner, the audio digital signals of all right receiving computer transmission of digital signal processing circuit, it is handled, be transferred to called subscriber's mobile phone by voice data exchange circuit, the D/A switch of CODEC circuit, wireless communication module then, realization is mutual with the mobile phone wireless communication network.
As shown in the figure, another group of digital signal I/O end of voice data exchange circuit directly links to each other with the pci interface circuit, links to each other with computer by the pci interface circuit.The voice data exchange circuit can directly be given computer through the pci interface circuit transmission with the audio digital signals of CODEC circuit conversion, is deposited by computer; Perhaps, the audio digital signals that computer is exported directly is transferred to the CODEC circuit, becomes analog voice signal by the CODEC circuit conversion, transfers to called subscriber's mobile phone through wireless communication module, wireless communication base station, telecommunication bureau.
The serial ports of wireless communication module links to each other with the pci interface circuit by the serial interface circuit, carries out transfer of data by pci interface circuit and computer.
One group of data I/O end of control circuit links to each other with computer by the pci interface circuit, obtains the control command of computer output; The control signal output ends of control circuit links to each other with the control end of CODEC circuit, serial interface circuit, voice data exchange circuit respectively; The control signal output ends of control circuit also links to each other with the serial ports of wireless communication module by the serial interface circuit.Control circuit plays the work of control wireless communication module in whole transfer of data, exchange process, control, coordinate the effect of each element circuit sequential.
In specific embodiments of the invention, described wireless communication module circuit is the gsm module circuit, certainly, also can select the CDMA modular circuit for use.Described computer interface circuit is the pci interface circuit, can certainly be usb circuit or ISA interface circuit.Be that example illustrates the annexation that constitutes between each element circuit of the present invention in conjunction with physical circuit figure with gsm module circuit, pci interface circuit below.
Fig. 7 is for constituting the concrete connecting circuit figure of the main pin of gsm module circuit of analog voice card of the present invention.As shown in Figure 7, analog voice signal I/O end SPK2P, the MIC2P0 (pin 45,46) of gsm module U308 (model Q24 * 6) links to each other with analog voice signal I/O end GSX, the VPO (pin 17,1) of CODEC circuit shown in Figure 8, carries out the transmission of analog voice signal.Serial ports TXA, the RXA (pin 29,17) of serial ports/parallel port conversion chip U1 in serial ports RXD1, the RTS1 of gsm module (pin 32,30) and the serial interface circuit shown in Figure 9 link to each other.
Fig. 8 is for constituting the CODEC circuit physical circuit figure of analog voice card of the present invention.Analog voice signal I/O end GSX, the VPO (pin 17,1) of CODEC circuit (U20 constitutes by the audio coding decoding chip) links to each other with analog voice signal I/O end SPK2P, the MIC2P0 of gsm module U308 (model Q24 * 6), carry out the transmission of analog voice signal, audio digital signals I/O end DR, the DX (pin 7,13) of CODEC circuit links to each other with audio digital signals I/O end L-SO-3, the L-SI-3 (pin 163,153) of voice data exchange circuit shown in Figure 10, carries out the transmission of audio digital signals.The signal input end FSR of CODEC circuit (pin 7) links to each other with the control signal output ends H2 (pin 86) of control circuit shown in Figure 11, the work schedule of control CODEC circuit.
Figure 10 is the physical circuit figure of the voice data exchange circuit of formation analog voice card of the present invention.As shown in the figure, audio digital signals I/O end L-SO-3, the L-SI-3 (pin 163,153) of voice data exchange circuit (U3 constitutes by the voice data exchange chip) links to each other with audio digital signals I/O end DR, the DX (pin 7,13) of CODEC circuit shown in Figure 8, carries out the transmission of audio digital signals.The set of number voice signal I/O end L-SI-0 of voice data exchange circuit, L-SO-0 (pin 150,160) link to each other with audio digital signals I/O end BDX0, the BDR0 (pin 59,45) of digital signal processing circuit shown in Figure 12.Another group audio digital signals I/O end D-0～D-7 ( pin 12,14,17,19,22,24,27,29) of voice data exchange circuit links to each other with the digital signal I/O end GPD0～GPD7 (pin 82～86,88～90) of pci interface circuit shown in Figure 13, carries out the transmission of audio digital signals by pci interface circuit and PC.The signal input end CS-N of voice data exchange circuit, RESET (pin 2,8) link to each other with control signal output ends D6, the D4 (pin 34,35) of control circuit shown in Figure 11, the work schedule of control voice data exchange circuit.
Figure 12 is the physical circuit figure of the digital signal processing circuit of formation analog voice card of the present invention.As shown in the figure, audio digital signals I/O end BDX0, the BDR0 (pin 59,45) of digital signal processing circuit (being made of two digital signal processing chip U13, U14) links to each other with set of number voice signal I/O end L-SI-0, the L-SO-0 (pin 150,160) of voice data exchange circuit shown in Figure 10, carries out the transmission of audio digital signals.The set of number signal I/O end HD0～HD7 of digital signal processing circuit links to each other with the digital signal I/O end GPD0～GPD7 (pin 82～86,88～90) of pci interface circuit shown in Figure 13, carries out the transmission of audio digital signals by pci interface circuit and PC.Figure 13 is for constituting the pci interface circuit physical circuit figure of analog voice card of the present invention.As shown in the figure, data I/O end A14, A12, A10, A8, A6, A4, A2, the A0 (pin 100～97,94～91) of the parallel data I/O end D0～D7 (pin 7～15) of the digital signal I/O end GPD0～GPD7 (pin 82～86,88～90) of pci interface circuit (U17 constitutes by pci interface chip) by the serial ports/parallel port conversion chip U1 in data/address bus and the serial interface circuit shown in Figure 9 (being made of two serial ports/parallel port conversion U1, U2), control circuit shown in Figure 11 link to each other.
Figure 11 is for constituting the control circuit physical circuit figure of analog voice card of the present invention.As shown in the figure, the control signal output ends H2 of control circuit (U12 constitutes by control chip) (pin 86) links to each other with the signal input end FSR (pin 7) of CODEC circuit shown in Figure 8; The control signal output ends D6 of control circuit, D4 (pin 34,35) link to each other with signal input end CS-N, the RESET (pin 2,8) of voice data exchange circuit shown in Figure 10; The control signal output ends C6 of control circuit, C5, C4, C2 (pin 19～22) link to each other with signal input end CSA, CSB, CSC, the CSD (pin 28,33,68,73) of serial interface circuit shown in Figure 9; The work schedule of control CODEC circuit, voice data exchange circuit, digital signal processing circuit, serial interface circuit.
The data I/O end A14 of control circuit, A12, A10, A8, A6, A4, A2, A0 (pin 10097,94～91) also link to each other by data/address bus with the digital signal I/O end GPD0～GPD7 (pin 82～86,88～90) of pci interface circuit shown in Figure 13, obtain control command, order from PC, control, coordinate each cell operation sequential.
As Fig. 2---shown in Figure 6, in order to realize the high speed exchange of speech data between the analog voice card card, also be integrated with H100 bus expansion slot on the analog voice card of the present invention.Shown in Figure 10, the audio digital signals I/O end CT-D-0～CT-D-31 that constitutes the voice data exchange chip U3 of voice data exchange circuit links to each other with audio digital signals I/O end CT-D0～CT-D31 of H100 bus expansion slot J9, realizes high-speed transfer, the exchange of speech data between sound card.
Characteristics of the present invention are: with wireless communication network access function, can realize mutual with wireless communication networks, have with the speech data on the wireless communication networks record, the functions such as playback, monitoring, transmitting-receiving note, fax, meeting.
Claims (5)
1. an analog voice card that has wireless communication network access function is characterized in that: be integrated with wireless communication line, digital signal circuit and computer interface circuit on this analog voice card;
The speech data signal I/O end of wireless communication line links to each other with the speech data signal I/O end of digital signal circuit in " ST BUS " mode; The signal I/O end of wireless communication line links to each other with the signal I/O end of digital signal circuit in " HPI BUS " mode, and the mode with " HPIBUS " links to each other with the signal I/O end of computer interface circuit equally, carries out the transmission of speech data; The signal I/O end of digital signal circuit links to each other with the signal I/O end of computer interface circuit in " HPI BUS " mode, carries out the transmission of speech data;
Wireless communication line receives the voice signal on the wireless communication networks, is transferred to digital signal circuit by " ST BUS "; Behind the audio digital signals that the wireless communication line that receives digital signal circuit transmits, it is handled, be transferred to the computer interface circuit by " HPI BUS " then, the computer interface circuit is transferred to PC by " PC BUS " with audio digital signals; In like manner, PC can also be transferred to the computer interface circuit with audio digital signals by " PCBUS ", the computer interface circuit is transferred to digital signal circuit by " HPIBUS " again, digital signal circuit is handled the back to it and by " ST BUS " audio digital signals is transferred to wireless communication line, and wireless communication line sends to wireless communication networks with voice signal.
2. the analog voice card that has wireless communication network access function according to claim 1 is characterized in that:
Described wireless communication line is made of wireless communication module, CODEC circuit and serial interface circuit; Digital signal circuit is made of voice data exchange circuit, digital signal processing circuit and control circuit;
The analog signal I/O end of wireless communication module links to each other with the analog signal I/O end of CODEC circuit, and the digital signal I/O end of CODEC circuit links to each other with the digital signal I/O end of voice data exchange circuit;
Another group digital signal I/O end of voice data exchange circuit links to each other with the set of number signal I/O end of digital signal processing circuit, another group digital signal I/O end of digital signal processing circuit links to each other with the computer interface circuit, links to each other with computer by the computer interface circuit;
Another group of digital signal I/O end of voice data exchange circuit directly links to each other with the computer interface circuit, links to each other with computer by the computer interface circuit;
The serial ports of wireless communication module links to each other with the computer interface circuit by the serial interface circuit, carries out transfer of data by computer interface circuit and computer;
One group of data I/O end of control circuit links to each other with computer by the computer interface circuit, obtains the control command of computer output; The control signal output ends of control circuit links to each other with the control end of CODEC circuit, serial interface circuit, voice data exchange circuit respectively; The control signal output ends of control circuit also links to each other with the serial ports of wireless communication module by the serial interface circuit.
3. the analog voice card that has wireless communication network access function according to claim 2 is characterized in that: described wireless communication module is gsm module or CDMA module.
4. the analog voice card that has wireless communication network access function according to claim 3 is characterized in that: described computer interface circuit is pci interface circuit or usb circuit or ISA interface circuit.
5. the analog voice card that has wireless communication network access function according to claim 4 is characterized in that: also be integrated with H100 bus expansion slot on this analog voice card;
The audio digital signals I/O end of this H100 bus expansion slot links to each other with the audio digital signals I/O end of voice data exchange circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610164855A CN101197886B (en) | 2006-12-06 | 2006-12-06 | Novel analog voice card with wireless communication network access function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610164855A CN101197886B (en) | 2006-12-06 | 2006-12-06 | Novel analog voice card with wireless communication network access function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101197886A CN101197886A (en) | 2008-06-11 |
| CN101197886B true CN101197886B (en) | 2010-05-19 |
Family
ID=39548021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200610164855A Expired - Fee Related CN101197886B (en) | 2006-12-06 | 2006-12-06 | Novel analog voice card with wireless communication network access function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101197886B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101945322A (en) * | 2010-09-19 | 2011-01-12 | 中兴通讯股份有限公司 | Method and system for communicating with wireless network by using data card and data card |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6381222B1 (en) * | 1998-04-28 | 2002-04-30 | Genesys Telecommunications Laboratories, Inc. | Noise reduction techniques and apparatus for enhancing wireless data network telephony |
| CN1433209A (en) * | 2003-02-26 | 2003-07-30 | 北京艾尼通科技有限公司 | Access method of fixed phone/mobile phone/IP phone to IP video conference system |
| CN1469623A (en) * | 2002-07-18 | 2004-01-21 | 联想(北京)有限公司 | Radio communicator matched with portable computer |
| CN200980111Y (en) * | 2006-12-06 | 2007-11-21 | 北京五岳鑫信息技术有限公司 | A novel simulated voice card with accessing function of wireless communication |
-
2006
- 2006-12-06 CN CN200610164855A patent/CN101197886B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6381222B1 (en) * | 1998-04-28 | 2002-04-30 | Genesys Telecommunications Laboratories, Inc. | Noise reduction techniques and apparatus for enhancing wireless data network telephony |
| CN1469623A (en) * | 2002-07-18 | 2004-01-21 | 联想(北京)有限公司 | Radio communicator matched with portable computer |
| CN1433209A (en) * | 2003-02-26 | 2003-07-30 | 北京艾尼通科技有限公司 | Access method of fixed phone/mobile phone/IP phone to IP video conference system |
| CN200980111Y (en) * | 2006-12-06 | 2007-11-21 | 北京五岳鑫信息技术有限公司 | A novel simulated voice card with accessing function of wireless communication |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2006-246086A 2006.09.14 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101197886A (en) | 2008-06-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101577986B (en) | Mobile communication terminal | |
| CN109246672A (en) | Data transmission method, device, system and bluetooth headset | |
| CN101378530A (en) | Method and system for transmitting and receiving short message, and short message server | |
| CN101022294A (en) | Method for receiving and transmitting cell phone short message via computer | |
| CN201789600U (en) | Interphone | |
| CN101197886B (en) | Novel analog voice card with wireless communication network access function | |
| CN101808421A (en) | Device and method for realizing functions of extension telephone set of mobile phone by using DECT (Digital Enhanced Cordless Telecommunications) | |
| CN200980111Y (en) | A novel simulated voice card with accessing function of wireless communication | |
| CN101026646A (en) | Method and device for realizing voice mailbox function for hand holding device | |
| CN102332949A (en) | Compass external talker, compass voice communication system and method | |
| CN2914510Y (en) | Telephone system realizing one number connecting function | |
| CN202276388U (en) | Telephone integrating handset, fixed line telephone, and Internet phone | |
| CN101447808A (en) | Bluetooth file transmission system | |
| CN101848261B (en) | Method and terminal for realizing call recording | |
| CN1874365A (en) | Recording unit of mobile phone | |
| CN101409934B (en) | Method and apparatus for processing signaling stream between application platform and protocol stack | |
| KR100787572B1 (en) | System and method for telephone communication service utilizing usb modem | |
| CN101217583A (en) | Indoor telephone with internet phone module | |
| CN101699834A (en) | Terminal message method, wireless network card and system | |
| CN101304268A (en) | Call control apparatus for mobile telephone and fixed telephone | |
| CN201717900U (en) | Tri-mode fixed telephone terminal | |
| CN2660808Y (en) | Telephone having USB interface | |
| CN2754282Y (en) | IP telephone set built in IP telephone function | |
| CN202309709U (en) | Big dipper externally-arranged interphone and big dipper voice communication system | |
| CN202406247U (en) | Centralized recording switch system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100519 Termination date: 20171206 |