CN102740489B - A kind of method and apparatus realizing cordless telephone call - Google Patents
A kind of method and apparatus realizing cordless telephone call Download PDFInfo
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- CN102740489B CN102740489B CN201110095644.XA CN201110095644A CN102740489B CN 102740489 B CN102740489 B CN 102740489B CN 201110095644 A CN201110095644 A CN 201110095644A CN 102740489 B CN102740489 B CN 102740489B
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Abstract
The invention discloses a kind of method and the device that realize cordless telephone call, dispatch to set up handle according to the call request of handle initiation to voice channel resource to be connected with the call between called, can realize multiple user uses cordless telephone handle to converse simultaneously, and the calling that each handle is initiated is not limited to PSTN outside line talking mode, overcome the defect that in prior art, call form is single, on this basis, due to the increase of parallel user, cordless telephone can be made to be applied to more large-area residential home, minimized office place.
Description
Technical field
The present invention relates to wireless communication technique field, particularly relate to a kind of method and apparatus realizing cordless telephone call.
Background technology
DECT (Digital Enhanced Cordless Telecommunications, DECT standard) be organized in formulation in 1993 by European Normalization, be that a kind of guarantee provides the digital micro-honeycomb radio communication of high traffic density, high speech quality and high reliability, supports the specification of multiple environmental applications and multiple network intercommunication.DECT agreement is by GAP (Generic Access Profile, general access protocol) develop into CAT-IQ2.0 (Cordless Advanced Technology-Internet and Quality, wireless advanced technology-the Internet and quality), become a kind of global standards at present.Current DECT agreement is mainly applied in cordless telephone, usually with the form of composite aircraft in conjunction with PSTN (Public Switched Telephone Network, Public Switched Telephony Network), for the voice application of fixed network domestic consumer cordless telephone.The machine tool of cordless telephone runs diversity channel allocator based on DECT agreement, and portable handset and DECT handle ceaselessly scan available channel, finds out a best passage and carries out transmission of voice packets.
The communication range that DECT agreement can be supported, probably at 300 meters to 1000 meters, belongs to short haul connection mode.This communication mode relieves common phone constraint on the data line, and user can be made to converse freely in whole room.But synchronization can only carry out PSTN outside line call for a people, and call form is comparatively single, and can not support that multiple user uses the handset of cordless telephone simultaneously.
Summary of the invention
The technical problem to be solved in the present invention is, provides a kind of method and apparatus realizing cordless telephone call, overcomes the defect that in prior art, call form is single.
The technical solution used in the present invention is, the described device realizing cordless telephone call, comprising:
The voice channel resource bus of main control module mounts wireless communication standard processing modules, main control module is also connected with wireless communication standard processing modules by control interface simultaneously, be wireless connections between the handle of at least two cordless telephones and wireless communication standard processing modules, a voice channel in the corresponding voice channel resource bus of each handle, wherein
Main control module, dispatches voice channel resource for the call request initiated according to handle;
Wireless communication standard processing modules, for receiving the call request of handle initiation and sending to main control module by control interface, and transmits voice messaging when handle is conversed;
Handle, for initiating call request by wireless communication standard processing modules and conversing with called.
Further, when the call request that handle is initiated is internal call, if described internal call is caller handle call out called handle, main control module is further used for:
Voice channel corresponding respectively on voice channel resource bus with called handle for caller handle is connected.
Further, this device also comprises: be articulated in PSTN on the voice channel resource bus of main control module and converse module, under the control of main control module for handle provides public switched telephone network (PSTN) outside line session services.
Further, described PSTN call module comprises: telephone line interface module;
Main control module is further used for: when the call request that handle is initiated is public switched telephone network (PSTN) External Call, the voice channel of described handle on voice channel resource bus is connected to the voice channel of telephone line interface module on voice channel resource bus;
Telephone line interface module, for providing the data transformation interface of voice messaging in voice channel and public switched telephone network (PSTN).
Further, this device also comprises: the Ethernet be connected with main control module is conversed module, under the control of main control module for handle provides Ethernet outside line session services.
Further, described Ethernet call module comprises: the speech processing module be connected respectively with main control module and network transceiving module, wherein,
Main control module is further used for: for handle distributes Ethernet account; When the call request that handle is initiated is Ethernet calling, sends to speech processing module to encode the voice messaging in the voice channel of described handle on voice channel resource bus, and coding result is sent to Ethernet by network transceiving module; Send to speech processing module to decode the called voice messaging transmitted in Ethernet, and decoded result is passed to described handle by wireless communication standard processing modules;
Speech processing module, encodes for the voice messaging in the voice channel to described handle, and coding result is sent to main control module; The called voice messaging transmitted from Ethernet is decoded, and decoded result is sent to main control module;
Network transceiving module, for providing the data transmission interface of voice messaging in voice channel and Ethernet.
Further, described speech processing module is VOIP (Voice over Internet Protocol, Internet Transmission audio protocols) chip, and wireless communication standard processing modules adopts DECT chip.
Further, described voice channel resource bus is PCM (Pulse Code Modulation, pulse code modulation) bus, control interface between main control module and wireless communication standard processing modules is SPI (SerialPeripheral Interface, Serial Peripheral Interface (SPI)).
Based on said apparatus, the present invention also provides a kind of method realizing cordless telephone call, comprising:
When user initiates call request by arbitrary handle, wireless communication standard processing modules receives described call request and sends to main control module;
Main control module is dispatched to set up described handle according to described call request to voice channel resource and is connected with the call between called.
Further, when described call request is internal call, if described internal call is caller handle call out called handle, main control module is dispatched voice channel resource according to described call request, specifically comprises:
Voice channel corresponding respectively on voice channel resource bus with called handle for caller handle is connected.
Adopt technique scheme, the present invention at least has following advantages:
Method and the device realizing cordless telephone call of the present invention, dispatch to set up handle according to the call request of handle initiation to voice channel resource to be connected with the call between called, can realize multiple user uses cordless telephone handle to converse simultaneously, and the calling that each handle is initiated is not limited to PSTN outside line talking mode, overcome the defect that in prior art, call form is single, on this basis, due to the increase of parallel user, cordless telephone can be made to be applied to more large-area residential home, minimized office place.
Accompanying drawing explanation
Fig. 1 is for realizing the device composition schematic diagram of cordless telephone call described in the first embodiment;
Fig. 2 is for realizing the device composition schematic diagram of cordless telephone call described in the second embodiment;
Fig. 3 is for realizing the device composition schematic diagram of cordless telephone call described in the 3rd embodiment;
Fig. 4 is for realizing the device composition schematic diagram of cordless telephone call described in the 4th embodiment;
Fig. 5 realizes the parallel flow chart of the multiple talking mode of cordless telephone in the 5th embodiment.
Embodiment
For further setting forth the present invention for the technological means reaching predetermined object and take and effect, below in conjunction with accompanying drawing and preferred embodiment, the present invention is described in detail as after.
First embodiment of the invention, a kind of device realizing cordless telephone call, can provide internal call session services for user.As shown in Figure 1, this device comprises following part: main control module, wireless communication standard processing modules, a DECT handle ~ the 4th DECT handle.Wherein, wireless communication standard processing modules vehicle economy CT module, can adopt the DECT chip of the companies such as Infineon, DSPG, GCT, and the information interaction between four DECT handles and DECT module is eating dishes without rice or wine to transmit according to CAT-iq2.0 agreement.The control signal of DECT module and main control module passes through SPI Interface realization.
Main control module provides voice channel resource bus, such as pcm bus etc., and DECT module is articulated on the pcm bus of main control module, carries out voice messaging transmission with main control module.
The number of the voice channel that DECT module takies on pcm bus is identical with the DECT handle number that DECT module is registered, and in the present embodiment, DECT module takies four voice channels on pcm bus, corresponding with four DECT handles respectively.When user initiates the internal call to the 2nd DECT handle by a DECT handle, DECT module receives this internal call number and sends to main control module with the form of control signal by SPI interface, main control module is dispatched the voice channel resource on pcm bus according to this control signal again, concrete, voice channel corresponding respectively on pcm bus with the 2nd DECT handle for one DECT handle is connected, be connected with the call of setting up between a DECT handle with the 2nd DECT handle, realize interior lines call.
Second embodiment of the invention, a kind of device realizing cordless telephone call, as shown in Figure 2, the device of the present embodiment is roughly the same with the first embodiment, distinguishes and is only, also comprise in the device of the present embodiment: PSTN and to converse module.PSTN module of conversing comprises: telephone line interface module, for providing the data transformation interface of voice messaging in voice channel and public switched telephone network (PSTN).
Telephone line interface module is called for short DAA (Data Access Arrangement, data access array) module, can adopt the DAA chip of Lantiq company, Silicon Labs company.DAA module one end hangs on pcm bus, carries out voice messaging transmission with main control module, and the other end connects PSTN network, completes the transmission of voice messaging to PSTN network of DECT module output.DAA module fixedly takies a voice channel on pcm bus.
The present embodiment not only supports the foundation that internal call is conversed, and can also provide public switched telephone network (PSTN) outside line session services for other untapped DECT handles.
Concrete, when the initiation PSTN External Call of the 3rd DECT handle, DECT module receives this PSTN External Call number and sends to main control module with the form of control signal by SPI interface, the voice channel of 3rd DECT handle on pcm bus is connected to the voice channel of DAA module on pcm bus according to this control signal by main control module again, be connected with the call between called in PSTN network to set up the 3rd DECT handle, realize PSTN outside line call.
Third embodiment of the invention, a kind of device realizing cordless telephone call, as shown in Figure 3, the device of the present embodiment is roughly the same with the first embodiment, difference is only, also comprise in the device of the present embodiment: the Ethernet be connected with main control module is conversed module, under the control of main control module for arbitrary DECT handle provides Ethernet outside line session services.Ethernet call module comprises: the speech processing module be connected respectively with main control module and network transceiving module, and Ethernet call module can adopt the VOIP chip of PMC company, rich Kanggong department.Because this VOIP chip has been integrated with CPU and Ethernet interface, realize so be equivalent to the network transceiving module in Fig. 3, speech processing module and main control module are integrated on one piece of VOIP chip.Speech processing module is called for short VOIP module.The internal memory sharing mode that control signal between main control module and VOIP module, between main control module and network transceiving module and voice messaging all pass through operating system transmits.
The present embodiment not only supports the foundation that internal call is conversed, and can also provide Ethernet outside line session services for other untapped DECT handles.
Concrete, four DECT handles that main control module is cordless telephone by the signal server on Ethernet distribute Ethernet account; When Ethernet calling initiated by the 4th DECT handle, after main control module judges to be Ethernet calling according to the control signal comprising the called account of Ethernet that DECT module is uploaded, send to VOIP module to encode the voice messaging in the voice channel of the 4th DECT handle on pcm bus, and coding result is sent to Ethernet by network transceiving module; In communication process, the called voice messaging transmitted in Ethernet sends to VOIP module to decode by main control module, and decoded result is passed to the 4th DECT handle by DECT module.The called account of Ethernet is also all the called number succeeded in registration on signal server.
VOIP module is encoded to the voice messaging in the voice channel of the 4th DECT handle, and coding result is sent to main control module; The called voice messaging transmitted from Ethernet is decoded, and decoded result is sent to main control module.
Network transceiving module provides the data transmission interface of voice messaging in voice channel and Ethernet.
Fourth embodiment of the invention, a kind of device realizing cordless telephone call, as shown in Figure 4, following part is comprised: PSTN call module, Ethernet call module, main control module, wireless communication standard processing modules, a DECT handle ~ the 4th DECT handle.Wherein, wireless communication standard processing modules vehicle economy CT module, can adopt the DECT chip of the companies such as Infineon, DSPG, GCT, and the information interaction between four DECT handles and DECT module is eating dishes without rice or wine to transmit according to CAT-iq2.0 agreement.The control signal of DECT module and main control module passes through SPI Interface realization.
Main control module provides voice channel resource bus, such as pcm bus etc., and DECT module is articulated on the pcm bus of main control module, carries out voice messaging transmission with main control module.
The number of the voice channel that DECT module takies on pcm bus is identical with the DECT handle number that DECT module is registered, and in the present embodiment, DECT module takies four voice channels on pcm bus, corresponding with four DECT handles respectively.When user initiates the internal call to the 2nd DECT handle by a DECT handle, DECT module receives this internal call number and sends to main control module with the form of control signal by SPI interface, main control module is dispatched the call of setting up between a DECT handle with the 2nd DECT handle according to this internal call number to the voice channel resource on pcm bus again and is connected, and realizes interior lines call.
PSTN module of conversing comprises: telephone line interface module, is called for short DAA module, can adopts Lantiq company, the DAA chip of Silicon Labs company realizes.DAA module one end hangs on pcm bus, and the other end connects PSTN network, completes the transmission of voice messaging to PSTN network of DECT module output.The number of the voice channel that DECT module takies on pcm bus is identical with the DECT handle number that DECT module is registered, and in the present embodiment, DECT module takies four voice channels on pcm bus, corresponding with four DECT handles respectively.DAA module fixedly takies a voice channel on pcm bus.
Ethernet call module, be connected with main control module, under the control of main control module for arbitrary DECT handle provides Ethernet outside line session services.Ethernet call module comprises: the VOIP module be connected respectively with main control module and network transceiving module, Ethernet call module can adopt the VOIP chip of PMC company, rich Kanggong department, because this VOIP chip has been integrated with CPU and Ethernet interface, so be equivalent to the network transceiving module in Fig. 4, VOIP module and main control module to be integrated on one piece of VOIP chip realize.The internal memory sharing mode that control signal between main control module and VOIP module, between main control module and network transceiving module and voice messaging all pass through operating system transmits.
Main control module from the voice channel resource the control signal scheduling pcm bus that SPI interface transmits according to DECT module, realizes multiple talking mode and walks abreast.
Concrete, when the initiation PSTN External Call of the 3rd DECT handle, DECT module receives this PSTN External Call number and sends to main control module with the form of control signal by SPI interface, the voice channel of 3rd DECT handle on pcm bus is connected to the voice channel of DAA module on pcm bus according to this control signal by main control module again, be connected with the call between called in PSTN network to set up the 3rd DECT handle, realize PSTN outside line call.
Four DECT handles that main control module is cordless telephone by the signal server on Ethernet distribute Ethernet account.When Ethernet calling initiated by the 4th DECT handle, after main control module judges to be Ethernet calling according to the control signal comprising the called account of Ethernet that DECT module is uploaded, send to VOIP module to encode the voice messaging in the voice channel of the 4th DECT handle on pcm bus, and coding result is sent to Ethernet by network transceiving module; In communication process, the called voice messaging transmitted in Ethernet sends to VOIP module to decode by main control module, and decoded result is passed to the 4th DECT handle by DECT module.
Fifth embodiment of the invention, below based on the device in the 5th embodiment, carry out interior lines call with a DECT handle and a DECT handle, PSTN outside line dialed by the 3rd DECT handle, Ethernet outside line dialed by 4th DECT handle is example, introduce the process that multiple talking mode is parallel, as Fig. 5 shows, comprise following concrete steps:
Step S101: when device powers on, four DECT handles are successfully registered to DECT module, call number for distinguishing different talking mode is set in main control module, such as: dial " sequence number that * #+ main control module distributes to DECT handle " and represent internal call, dial " 9+ called number " and represent PSTN External Call, dial Ethernet account and represent Ethernet External Call, Ethernet account is that main control module distributes to four DECT handles by signal server over ethernet.The sequence number that main control module distributes to four DECT handles can by 01,02,03,04 this mode.
Input " * #02 ", the i.e. number of internal call the 2nd DECT handle after step S102: the one DECT handle off-hook, DECT module imports it into main control module with the form of control signal by SPI interface after receiving " * #02 ".
Step S103: main control module determines it is internal call according to " * # " mark, determine that called is the 2nd DECT handle according to sequence number " 02 ", then the 2nd DECT handle ring is made by SPI interface notification DECT module, when second handle DECT handle off-hook is replied, main control module is connected the voice channel of a DECT handle on pcm bus with the voice channel of the 2nd DECT handle on pcm bus, such call is set up, and internal call completes.
Step S104: the call keeping a DECT handle and the 2nd DECT handle, the 3rd DECT handle off-hook, and dial the number " 9 " and wait for, input called number when again hearing dialing tone.Wherein, when number " 9 " be delivered to main control module by SPI interface and without Subsequent number time, main control module is connected to the voice channel of DAA module on pcm bus the voice channel of the 3rd DECT handle on pcm bus, now, the dialing tone that the 3rd DECT handle is heard is play by PSTN network side.
After step S105:PSTN network side called terminal ringing off-hook, the called call with the 3rd DECT handle of PSTN network side is set up.
Step S106: keep the call that a DECT handle and the 2nd DECT handle and the 3rd DECT handle and PSTN network side are called, the 4th DECT handle off-hook, dials the called account of the Ethernet succeeded in registration at signal server.
Step S107: when the called account of Ethernet is delivered to main control module by SPI interface, when master control module judges is Ethernet External Call, main control module takes out the voice messaging of the voice channel of the 4th DECT handle on pcm bus, the mode shared by internal memory passes to VOIP module, and control VOIP module carries out coded treatment to voice messaging, when having processed, the mode that main control module is shared according to internal memory is sent to network transceiving module coding result, is forwarded on Ethernet by network transceiving module again.
Step S108: after the called terminal ringing off-hook of Ethernet side, the called call with the 4th DECT handle in Ethernet side is set up.
Step S109: in communication process, the called voice messaging transmitted in Ethernet sends to VOIP module to decode by main control module, and decoded result is passed to the 4th DECT handle by DECT module.
It should be noted that, except dialing except order of above-mentioned talking mode, certain the present invention also has other various embodiments, and such as DECT handle dialing sequence exchanges or dials simultaneously.
Method and the device realizing cordless telephone call of the present invention, dispatch to set up handle according to the call request of handle initiation to voice channel resource to be connected with the call between called, can realize multiple user uses cordless telephone handle to converse simultaneously, and the calling that each DECT handle is initiated is not limited to PSTN outside line talking mode, overcome the defect that in prior art, call form is single, on this basis, due to the increase of parallel user, cordless telephone can be made to be applied to more large-area residential home, minimized office place.
By the explanation of embodiment, should to the present invention for the technological means reaching predetermined object and take and effect be able to more deeply and concrete understanding, but appended diagram be only to provide with reference to and the use of explanation, be not used for being limited the present invention.
Claims (8)
1. realize a device for cordless telephone call, it is characterized in that, comprising:
The voice channel resource bus of main control module mounts wireless communication standard processing modules, main control module is also connected with wireless communication standard processing modules by control interface simultaneously, be wireless connections between the handle of at least two cordless telephones and wireless communication standard processing modules, a voice channel in the corresponding voice channel resource bus of each handle, wherein
Main control module, dispatches voice channel resource for the call request initiated according to handle;
Wireless communication standard processing modules, for receiving the call request of handle initiation and sending to main control module by control interface, and transmits voice messaging when handle is conversed;
Handle, for initiating call request by wireless communication standard processing modules and conversing with called;
When the call request that handle is initiated is internal call, if described internal call is caller handle call out called handle, main control module is further used for:
Voice channel corresponding respectively on voice channel resource bus with called handle for caller handle is connected.
2. realize the device of cordless telephone call according to claim 1, it is characterized in that, described device comprises further: be articulated in Public Switched Telephony Network PSTN on the voice channel resource bus of main control module and converse module, under the control of main control module for handle provides public switched telephone network (PSTN) outside line session services.
3. realize the device of cordless telephone call according to claim 2, it is characterized in that, described PSTN call module comprises: telephone line interface module;
Main control module is further used for: when the call request that handle is initiated is public switched telephone network (PSTN) External Call, the voice channel of described handle on voice channel resource bus is connected to the voice channel of telephone line interface module on voice channel resource bus;
Telephone line interface module, for providing the data transformation interface of voice messaging in voice channel and public switched telephone network (PSTN).
4. according to claim 1 or 2 or 3, realize the device of cordless telephone call, it is characterized in that, described device comprises further: the Ethernet be connected with main control module is conversed module, under the control of main control module for handle provides Ethernet outside line session services.
5. realize the device of cordless telephone call according to claim 4, it is characterized in that, described Ethernet call module comprises: the speech processing module be connected respectively with main control module and network transceiving module, wherein,
Main control module is further used for: for handle distributes Ethernet account; When the call request that handle is initiated is Ethernet calling, sends to speech processing module to encode the voice messaging in the voice channel of described handle on voice channel resource bus, and coding result is sent to Ethernet by network transceiving module; Send to speech processing module to decode the called voice messaging transmitted in Ethernet, and decoded result is passed to described handle by wireless communication standard processing modules;
Speech processing module, encodes for the voice messaging in the voice channel to described handle, and coding result is sent to main control module; The called voice messaging transmitted from Ethernet is decoded, and decoded result is sent to main control module;
Network transceiving module, for providing the data transmission interface of voice messaging in voice channel and Ethernet.
6. realize the device of cordless telephone call according to claim 5, it is characterized in that, described speech processing module is Internet Transmission audio protocols VOIP chip, and wireless communication standard processing modules adopts DECT standard DECT chip.
7. according to claim 1 or 2 or 3 or 5 or 6, realize the device of cordless telephone call, it is characterized in that, described voice channel resource bus is pulse code modulation pcm bus, and the control interface between main control module and wireless communication standard processing modules is serial peripheral equipment interface SPI.
8. realize a method for cordless telephone call based on device described in claim 1, it is characterized in that, comprising:
When user initiates call request by arbitrary handle, wireless communication standard processing modules receives described call request and sends to main control module;
Main control module is dispatched to set up described handle according to described call request to voice channel resource and is connected with the call between called;
When described call request is internal call, if described internal call is caller handle call out called handle, main control module is dispatched voice channel resource according to described call request, specifically comprises:
Voice channel corresponding respectively on voice channel resource bus with called handle for caller handle is connected.
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| CN201110095644.XA CN102740489B (en) | 2011-04-15 | 2011-04-15 | A kind of method and apparatus realizing cordless telephone call |
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| CN201110095644.XA CN102740489B (en) | 2011-04-15 | 2011-04-15 | A kind of method and apparatus realizing cordless telephone call |
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Citations (3)
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|---|---|---|---|---|
| EP1124341A2 (en) * | 2000-02-10 | 2001-08-16 | Philips Patentverwaltung GmbH | Control unit for a terminal of a digital cordless communications system and method therefor |
| CN201207653Y (en) * | 2008-03-04 | 2009-03-11 | 熊猫电子集团有限公司 | Wideband wireless access equipment supporting multiple access modes |
| CN101808421A (en) * | 2010-03-04 | 2010-08-18 | 中兴通讯股份有限公司 | Device and method for realizing functions of extension telephone set of mobile phone by using DECT (Digital Enhanced Cordless Telecommunications) |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1124341A2 (en) * | 2000-02-10 | 2001-08-16 | Philips Patentverwaltung GmbH | Control unit for a terminal of a digital cordless communications system and method therefor |
| CN201207653Y (en) * | 2008-03-04 | 2009-03-11 | 熊猫电子集团有限公司 | Wideband wireless access equipment supporting multiple access modes |
| CN101808421A (en) * | 2010-03-04 | 2010-08-18 | 中兴通讯股份有限公司 | Device and method for realizing functions of extension telephone set of mobile phone by using DECT (Digital Enhanced Cordless Telecommunications) |
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