CN101801028B - Method, device and system for informing business option information and transmitting voice - Google Patents
Method, device and system for informing business option information and transmitting voice Download PDFInfo
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- CN101801028B CN101801028B CN 201010103713 CN201010103713A CN101801028B CN 101801028 B CN101801028 B CN 101801028B CN 201010103713 CN201010103713 CN 201010103713 CN 201010103713 A CN201010103713 A CN 201010103713A CN 101801028 B CN101801028 B CN 101801028B
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Abstract
The embodiment of the invention discloses a method, a device and a system for informing business option information and transmitting voice, wherein the method is realized by the steps of: receiving the business option information of a calling terminal, which is transmitted by a mobile business switching center of a called network side; receiving a voice compressed code stream which is transmitted by a calling network side and is transmitted to the calling network side by the calling terminal through an empty port; carrying out voice coding and decoding on the voice compressed code stream according to the business option information of the calling terminal; transmitting the business option information of the local terminal to a BSC (Base Station Controller) of the opposite terminal; putting voice coding and decoding on the BSC; and carrying out voice coding and decoding by the BSC of the opposite terminal for transmitting the voice compressed code stream received by the empty port of the local terminal in a core network. The invention realizes IP processing on a CDMA (Code Division Multiple Access) calling network which needs to carry high-degree confidentiality requirements, and achieves the purpose of saving bandwidth.
Description
Technical field
The present invention relates to communication technical field, particularly the methods, devices and systems of informing business option information, voice transfer.
Background technology
Along with popularizing of Internet technology, Internet protocol (Internet Protocol, IP) technology has been widely used in the various aspects such as amusement, working and learning.Code division multiple access access (Code Division MultipleAccess, CDMA) development trend, and traditional mobile services switching centre (Mobile Servicesswitching Center, MSC) exchanges to soft switch, all selects IP to carry as core net; And the A interface also progressively selects IP to substitute time division multiplexing (Time Division Multiplex, TDM) mode on bearer types; The A interface is exactly the interface between MSC and base station controller (Base Station Center, BSC), and signaling interface is A1 (claiming A1p during IPization), and business interface is A2 (claiming A2p during IPization).This shows that cdma network transmission IPization has become the trend of network evolution.
In the implementation method of traditional voice transmission, audio coder ﹠ decoder (codec) is deployed in mobile media gateway (Mobile Media Gateway, MGW), after voice transfer path foundation, if the business option of calling and called is inconsistent, or Transcoder Free Operation (Transcoder Free Operation, TrFO) is not when opening, MGW by the calling and called network side carries out encoding and decoding speech, then by being transferred to terminal called after core net.Terminal adopts with network side and eats dishes without rice or wine to be connected, and in CDMA, a speech channel bandwidth of eating dishes without rice or wine is 8Kbps, in core net, the TDM mode is 64Kbps, and the 8Kbps code stream that therefore needs to eat dishes without rice or wine to transmit is changed to the 64Kbps code stream of core net, when therefore making voice transfer with great waste bandwidth.Existing traditional IP dissolves certainly, and scheme is to know by real-time protocol (RTP) (Real Time Protocol, RTP) leader to tell this bag of MGW to be transparent transmission or to do encoding and decoding.
Yet in some cdma network, core net need to be carried the calling of highly confidential requirement, and for example: the army's party call that carries in the cdma network of China just has highly confidential requirement; Therefore the omnidistance transparent transmission of the data demand of calling out in the transmitting procedure of core net so just limits core net to any detection of business packet.Answer the requirement of above-mentioned core net full name transparent transmission, need at present the A interface of the core net of omnidistance transparent transmission still to adopt the TDM interface, the TDM interface carries out transparent transmission by a speech channel 64Kbps.
The inventor finds in realizing process of the present invention: because the cdma network that carries the calling of highly confidential requirement at needs is forbidden the detection of call business packet, thereby traditional IP dissolves the scheme of determining and is not suitable for this class cdma network.Need in the calling cdma network of the highly confidential requirement of carrying, voice speech channel need to be used the 64Kbps bandwidth for transmission, and the problem of waste Internet Transmission bandwidth still exists.
Summary of the invention
The technical problem that the embodiment of the present invention will solve is to provide the methods, devices and systems of informing business option information, voice transfer, saves bandwidth.
For solving the problems of the technologies described above, the embodiment of the method for voice transfer provided by the present invention can be achieved through the following technical solutions:
The business option information of the calling terminal that the mobile services switching centre of reception called network side sends;
Receive the compress speech code stream of caller network side transparent transmission, described compress speech code stream is sent to the caller network side by eating dishes without rice or wine by calling terminal;
According to the business option information of described calling terminal, described compress speech code stream is carried out encoding and decoding speech.
A kind of method of voice transfer comprises:
The business option information of the terminal called that the mobile services switching centre of reception caller network side sends;
Receive the compress speech code stream of called network side transparent transmission, described compress speech code stream is sent to the called network side by eating dishes without rice or wine by terminal called;
According to the business option information of described terminal called, described compress speech code stream is carried out encoding and decoding speech.
A kind of method of informing business option information comprises:
Receive the route request information that attaching position register sends;
Obtain the business option information of the calling terminal that carries in described route request information;
The business option information of described calling terminal is sent to the base station controller of called network side.
A kind of method of informing business option information comprises:
The message of the business option information that carries terminal called that the mobile services switching centre of reception called network side sends;
The business option information of described terminal called is sent to the base station controller of caller network side.
A kind of base station controller comprises:
Information receiving unit be used for to receive the business option information of the calling terminal that the mobile services switching centre of called network side sends;
The voice flow receiving element, for the compress speech code stream that receives caller network side transparent transmission, described compress speech code stream is sent to the caller network side by eating dishes without rice or wine by calling terminal;
Codec unit is used for according to the business option information of described calling terminal, described compress speech code stream being carried out encoding and decoding speech.
A kind of base station controller comprises:
The business option receiving element be used for to receive the business option information of the terminal called that the mobile services switching centre of caller network side sends;
The phonetic code receiving element, for the compress speech code stream that receives called network side transparent transmission, described compress speech code stream is sent to the called network side by eating dishes without rice or wine by terminal called;
The encoding and decoding speech unit is used for according to the business option information of described terminal called, described compress speech code stream being carried out encoding and decoding speech.
A kind of mobile services switching centre comprises:
The route messages receiving element is used for receiving the route request information that attaching position register sends;
The first business option acquiring unit is used for obtaining the business option information of the calling terminal that described route request information carries;
First information transmitting element is also for the business option information of described calling terminal being sent to the base station controller of called network side.
A kind of mobile services switching centre comprises:
The business option information receiving element be used for to receive the message of the business option information that carries terminal called that the mobile services switching centre of called network side sends;
The business option information transmitting element is for the business option information of described terminal called being sent to the base station controller of caller network side.
A kind of communication system comprises:
The base station controller of called network side be used for to receive the business option information of the calling terminal that the mobile services switching centre of called network side sends; Receive the compress speech code stream of caller network side transparent transmission, described compress speech code stream is sent to the caller network side by eating dishes without rice or wine by calling terminal; According to the business option information of described calling terminal, described compress speech code stream is carried out encoding and decoding speech;
The mobile services switching centre of called network side is used for receiving the route request information that attaching position register sends; Obtain the business option information of the calling terminal that carries in described route request information; The business option information of described calling terminal is sent to the base station controller of called network side.
Technique scheme has following beneficial effect: the business option information of local terminal is sent to the BSC of opposite end, and the encoding and decoding speech processing is placed on BSC; Carry out encoding and decoding speech by the BSC of opposite end and process, the local terminal compress speech code stream of eating dishes without rice or wine to receive can be in core net transparent transmission; Realize the IPization on the calling cdma network of the highly confidential requirement of needs carrying, reached the purpose of saving bandwidth.
Description of drawings
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, during the below will describe embodiment, the accompanying drawing of required use is done to introduce simply, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Figure 1A is the embodiment of the present invention one first method schematic diagram;
Figure 1B is the embodiment of the present invention one second method schematic diagram;
Fig. 1 C is the embodiment of the present invention one third method schematic diagram;
Fig. 1 D is the embodiment of the present invention one cubic method schematic diagram;
Fig. 2 is the embodiment of the present invention two method flow schematic diagrames;
Fig. 3 is the embodiment of the present invention three base station controller structural representations;
Fig. 4 is the embodiment of the present invention three another base station controller structural representations;
Fig. 5 is the embodiment of the present invention four base station controller structural representations;
Fig. 6 is the embodiment of the present invention five mobile services switching centre structural representations;
Fig. 7 is the embodiment of the present invention five another mobile services switching centre structural representations;
Fig. 8 is the embodiment of the present invention six mobile services switching centre structural representations;
Fig. 9 A is the embodiment of the present invention seven system configuration schematic diagrames;
Fig. 9 B is the embodiment of the present invention seven another system configuration schematic diagrames.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Based on the embodiment in the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
In embodiments of the present invention, during A interface IPization, the business option of calling and called side (Service Option, SO) information is notified respectively the other side BSC, audio coder ﹠ decoder (codec) is configured in BSC, no matter whether the SO information of calling and called is identical, all does encoding and decoding by the other side BSC and process like this, the compress speech code of eating dishes without rice or wine is all done the transparent transmission processing at A interface and core net.
Embodiment one, and as shown in Figure 1A, the embodiment of the present invention provides the method for voice transfer, comprising:
101A: the business option information of the calling terminal that the mobile services switching centre of reception called network side sends;
Particularly, above-mentioned business option information carries by the message with information indicating; The carrying mode of certain business option information adopts other message to carry also and is fine, does not affect the realization of the embodiment of the present invention, and the embodiment of the present invention will not limit.
The business option information that the mobile switching centre of above-mentioned called network side sends calling terminal comprises:
Receive the route request information that attaching position register sends; Obtain the business option information of the calling terminal that carries in above-mentioned route request information; The business option information of above-mentioned calling terminal is sent to the base station controller of called network side.
102A: receive the compress speech code stream of caller network side transparent transmission, above-mentioned compress speech code stream is sent to the caller network side by eating dishes without rice or wine by calling terminal;
103A: above-mentioned compress speech code stream is carried out encoding and decoding speech according to the business option information of above-mentioned calling terminal.
The form of above-mentioned compress speech code stream can be the coded format of Enhanced Variable Rate Coder (EnhancedVariable Rate Codec, EVRC), and its bandwidth payload is 8Kbps or 13Kbps.Certainly the embodiment of the present invention is not done concrete the restriction to the form of compress speech code stream, does not affect the realization of the embodiment of the present invention.
The executive agent of each step of above-described embodiment can be the BSC of called network side, the business option information of local terminal is sent to the BSC of opposite end, and the encoding and decoding speech processing is placed on BSC; Carry out encoding and decoding speech by the BSC of opposite end and process, the local terminal compress speech code stream of eating dishes without rice or wine to receive can be in core net transparent transmission; Realize the IPization on the calling cdma network of the highly confidential requirement of needs carrying, reached the purpose of saving bandwidth.
Further, for realize called network side compress speech code stream be transparent to can be correct on the BSC of caller network side encoding and decoding, can also comprise:
The BSC of called network side sends page-response message to the mobile services switching centre of called network side, carries the business option information of terminal called in above-mentioned page-response message.And the mobile switching centre of called network side receives the page-response message that the base station controller of called network side sends; Obtain the business option information of the terminal called that carries in above-mentioned page-response message, and send to the mobile services switching centre of caller network side.
As shown in Figure 1B, corresponding with above execution mode, on the BSC of caller network side, the method for voice transfer can comprise:
101B: the business option information of the terminal called that the mobile services switching centre of reception caller network side sends;
Particularly, above-mentioned business option information carries by the message with information indicating; The carrying mode of certain business option information adopts other message to carry also and is fine, does not affect the realization of the embodiment of the present invention, and the embodiment of the present invention will not limit.
The business option information that the mobile services switching centre of above-mentioned caller network side sends terminal called comprises:
Receive the route request information that attaching position register sends; Obtain the business option information of the calling terminal that carries in above-mentioned route request information; The business option information of above-mentioned calling terminal is sent to the base station controller of called network side.
102B: receive the compress speech code stream of called network side transparent transmission, above-mentioned compress speech code stream is sent to the called network side by eating dishes without rice or wine by terminal called;
103B: above-mentioned compress speech code stream is carried out encoding and decoding speech according to the business option information of above-mentioned terminal called.
Further, for realize caller network side compress speech code stream be transparent to can be correct on the BSC of called network side encoding and decoding, can also comprise:
The BSC of caller network side sends page-response message to the mobile services switching centre of caller network side, carries the business option information of calling terminal in above-mentioned page-response message.And the mobile switching centre of called network side receives the page-response message that the base station controller of caller network side sends; Obtain the business option information of the calling terminal that carries in above-mentioned page-response message, and send to the mobile services switching centre of called network side.
Above execution mode sends to the business option information of local terminal the BSC of opposite end, and the encoding and decoding speech processing is placed on BSC; Carry out encoding and decoding speech by the BSC of opposite end and process, the local terminal compress speech code stream of eating dishes without rice or wine to receive can be in core net transparent transmission; Realize the IPization on the calling cdma network of the highly confidential requirement of needs carrying, reached the purpose of saving bandwidth.
As shown in Fig. 1 C, corresponding to Figure 1A implementation, the embodiment of the present invention also provides the MSC in the called network side, the method for informing business option information comprises:
101C: receive the route request information that attaching position register sends;
Particularly, the BSC of caller network side sends connection management (CallManager, CM) business request information to the MSC of caller network side, carries the business option information of calling terminal in above-mentioned CM business request information; When the MSC of caller network side sends location request message to attaching position register, carry the business option information of calling terminal in above-mentioned location request message; When attaching position register sends route request information at the MSC that gives the called network side, carry the business option information of calling terminal in above-mentioned route request information.The mode that above attaching position register obtains the business option information of calling terminal should not be construed as the restriction to the embodiment of the present invention for example, adopts other modes to obtain also and is fine.
102C: the business option information that obtains the calling terminal that carries in above-mentioned route request information;
103C: the base station controller that the business option information of above-mentioned calling terminal is sent to the called network side.
Further, send to the BSC of caller network side for the business option information with terminal called, on the MSC of called network side, can also further carry out:
Receive the page-response message of the base station controller transmission of called network side;
Obtain the business option information of the terminal called that carries in above-mentioned page-response message, and send to the mobile services switching centre of caller network side.
Above execution mode sends to the business option information of local terminal the BSC of opposite end, and convenient encoding and decoding speech is processed being placed on BSC; Carry out encoding and decoding speech by the BSC of opposite end and process, the local terminal compress speech code stream of eating dishes without rice or wine to receive can be in core net transparent transmission; Realize the IPization on the calling cdma network of the highly confidential requirement of needs carrying, reached the purpose of saving bandwidth.
As shown in Fig. 1 D, corresponding to Figure 1B implementation, the embodiment of the present invention also provides the MSC at the caller network side, the method for informing business option information comprises:
101D: the message of the business option information that carries terminal called that the mobile services switching centre of reception called network side sends;
Particularly, the message of the business option information that carries terminal called of the mobile services switching centre of above-mentioned called network side transmission is: ALERTING message; Certainly adopt other message to carry the realization that business option information does not affect the embodiment of the present invention, the embodiment of the present invention will not limit this.
102D: the base station controller that the business option information of above-mentioned terminal called is sent to the caller network side.
Particularly, above-mentioned business option information with terminal called sends to the base station controller of caller network side to comprise:
The business option information of terminal called is carried at the base station controller that sends to the caller network side in message with information indicating.Certainly adopt other message to carry the realization that business option information does not affect the embodiment of the present invention, the embodiment of the present invention will not limit this.
Above execution mode sends to the business option information of local terminal the BSC of opposite end, and convenient encoding and decoding speech is processed being placed on BSC; Carry out encoding and decoding speech by the BSC of opposite end and process, the local terminal compress speech code stream of eating dishes without rice or wine to receive can be in core net transparent transmission; Realize the IPization on the calling cdma network of the highly confidential requirement of needs carrying, reached the purpose of saving bandwidth.
Embodiment two, the embodiment of the present invention gives, a kind of typical flow process, the method of summary informing business option information, voice transfer in whole cdma network, be illustrated in figure 2 as the interoffice mobile calls and move flow chart (IP bearing mode), be the network element of difference caller network side and called network side, the network element that the network element of caller network side adds " O " called network side adds " T " to show difference, comprising:
201: calling terminal makes a call, the BSC-O at its place sends connection management (CallManager to MSCe-O, CM) message of service request (CM Service Request), carry the current residing cell information of the MS that makes a call, type of service, called number, terminal iidentification, authentication parameter etc. in message, also carry the SO information of calling terminal, needn't comprise the A2p parameter.
202:MSCe-O initiates assignment process, sends assignment request message (AssignmentRequest) application air traffic channel resource to BSC-O, needn't comprise the A2p parameter in message.
203:BSC-O returns to assignment to MSCe-O and completes message (Assignment Complete) after setting up the air traffic channel success, band A2p parameter (this parameter is with voice encoding and decoding format information) in message.
204:MSCe-O issues and adds request (Add Request) message to MGW-O, and indication MGW-O sets up the caller network side load according to the voice encoding and decoding format that carries in the A2p parameter.
After 205:MGW-O sets up the caller network side load, return to add to MSCe and reply (Add Reply) message, the IP address of distributing with gateway in message.
206:MSCe-O analyzes called number, attaching position register (Home Location Register to the terminal called ownership, HLR) send location request message (LOCREQ), the SO information of carrying calling terminal in above-mentioned location request message.
207:HLR determines the service MSCe-T of terminal called, sends route request information (ROUTREQ), the SO information of wherein carrying calling terminal to MSCe-T.
208:MSCe-O sends bearer update request (Bearer Update Request) message to BSC-O, and request BSC-O upgrades bearing mode.In message with address information of A2p parameter (this parameter is with voice encoding and decoding format information), MGW (as IP address, port numbers) etc.
209:MSCe-T obtains the business option information of the calling terminal that carries in above-mentioned route request information, distribute interim local number (Temporary Local Directory Number to terminal called, TLDN) after, return to routing iinformation routreq to HLR.
210:HLR is to MSCe-O home position request response (locreq).
211:BSC-O upgrades and is carried as the IP bearing mode, send bearer update response (Bearer Update Response) message to MSCe-O, band A2p parameter (this parameter is with voice encoding and decoding format information) in message, notice MSCe-O bearer update is the IP mode.
212:MSCe-O begins to set up the trunk side carrying when receiving the Bearer Update Response message that BSC-O sends, send Add Request message to MGW-O.
213:MGW-O returns to Add Reply message after setting up carrying, is with local media information (comprising local terminal IP address and port numbers).
214:MSCe-O is converted to Session Description Protocol (Session DescriptionProtocol, SDP) with local media information, initiates to carry invitation (INVITE) request of SDP to MSCe-T.
After 215:MSCe-T received the INVITE request, loopback 100 response expressions had received request message, it are processed.
216:MSCe-T initiates the paging to terminal called, and MSCe-T sends paging request message (Paging Request) to BSC-T.
217: after receiving the page response of called MS, BSC-T returns page-response message (Paging Response) to MSCe-T, and the SO information of carrying terminal called in this page-response message can be carried the A2p parameter.
218:MSCe-T begins to set up the trunk side carrying, sends Add Request message to MGW-T.
219:MGW-T returns to Add Reply message, is with local media information (comprising local terminal IP address and port numbers).MSCe-T is converted to SDP with local media information.
220:MSCe-T initiates assignment process, sends assignment request message AssignmentRequest application air traffic channel resource to BSC-T, there is no the A2p parameter in message.
221:BSC-T returns to assignment to MSCe-T and completes message Assignment Complete after setting up the air traffic channel success, band A2p parameter (this parameter is with voice encoding and decoding format information) in message.
222: then, MSCe-T begins to set up the carrying of access side, issues Add Request message to MGW-T.
223:MGW-T returns to Add Reply message, the IP address of distributing with gateway in message.
224:MSCe-T sends Bearer Update Request message to BSC-T, request BSC-T upgrades bearing mode, in message with the address information of A2p parameter (this parameter is with voice encoding and decoding format information), MGW (as IP address, port numbers) etc.
225:BSC-T upgrades and is carried as the IP bearing mode, sends Bearer UpdateResponse message to MSCe-T, band A2p parameter (this parameter is with voice encoding and decoding format information) in message, and notice MSCe-T bearer update is the IP bearing mode.
226:MSCe-T sends to BSC-T to (Flash with Information) message that BSC-T sends with information indicating with the SO information of calling terminal.
227:MSCe-T sends to MGW-T and revises request (Modify Request) message, wherein carries the IP information of MSCe-O.
228:MGW-T revises response (Modify Reply) message to the MSCe-T loopback.
After 229:BSC-T sends Bearer Update Response message to MSCe-T, called dialed terminal bell, MSCe-T sends out ring (180) message to MSCe-O, wherein carries the SDP that comprises the terminal called media information and the SO information of terminal called.
230:MSCe-O sends Flash with Information message to BSC-O the SO information of terminal called is sent to BSC-O.
231:MSCe-O receives interim confirmation 180 (provisional ACK 180, the PRACK for 180) message of loopback after 180 message.
232:MSCe-T sends out 200 for PRACK message to MSCe-O and determines session establishment.
233:MSCe-O parses the SDP of opposite end media information, by Modify Request message informing to MGW-O.
234:MGW-O is to MSCe-O loopback Modify Reply message.
235:MGW-O utilizes the opposite end media information that obtains, after successfully setting up carrying with the opposite end, by notice request (Notify Request) message informing MSCe-O.
236:MSCe-O receives loopback push-notification-answer (Notify Reply) message after Notify Request message.
237:MGW-T is also after successfully setting up carrying, by Notify Request message informing MSCe-T.
238:MSCe-T receives loopback Notify Reply message after Notify Request message.
After 239:MSCe-T receives that indication is set up in carrying, put ring-back tone by sending message Modify Request indication MGW-T to the caller network side.
240:MGW-T is to MSCe-T loopback Modify Reply message.
241: after called off-hook, called network side BSC-T reports to connect to MSCe-T and sets up message (CONNECT).
242:MSCe-T sends 200 for INVITE response messages to MSCe-O.
243: simultaneously, MSCe-T sends message Modify Request indication MGW-T to be stopped putting ring-back tone to the caller network side.
After 244:MGW-T stops playback, to MSCe-T loopback Modify Reply message.
245:MSCe-T sends Modify Request message to MGW-T, and indication activates end points.
246:MGW-T is to MSCe-T loopback Modify Reply message.
After 247:MSCe-O receives 200 for INVITE, loopback ACK for 200 message.At this moment, calling and called enter talking state.
After more than entering talking state, then calling terminal is transparent to the BSC of called network side at the compress speech code stream of eating dishes without rice or wine to receive caller; Then terminal called is transparent to the BSC of caller network side eating dishes without rice or wine to receive called compress speech code stream; The encoding and decoding speech of the compress speech code stream that BSC execution opposite end transmits.Realize the IPization on the calling cdma network of the highly confidential requirement of needs carrying, reached the purpose of saving bandwidth.
Embodiment three, and as shown in Figure 3, the embodiment of the present invention also provides a kind of base station controller, comprising:
Voice flow receiving element 302, for the compress speech code stream that receives caller network side transparent transmission, above-mentioned compress speech code stream is sent to the caller network side by eating dishes without rice or wine by calling terminal;
The business option information of local terminal is sent to the BSC of opposite end, and the encoding and decoding speech processing is placed on BSC; Carry out encoding and decoding speech by the BSC of opposite end and process, the local terminal compress speech code stream of eating dishes without rice or wine to receive can be in core net transparent transmission; Realize the IPization on the calling cdma network of the highly confidential requirement of needs carrying, reached the purpose of saving bandwidth.
For realize called network side compress speech code stream be transparent to can be correct on the BSC of caller network side encoding and decoding, further, as shown in Figure 4, above-mentioned base station controller also comprises:
Embodiment four, and as shown in Figure 5, the invention process also provides another kind of base station controller, comprising:
Business option receiving element 501 be used for to receive the business option information of the terminal called that the mobile services switching centre of caller network side sends;
Phonetic code receiving element 502, for the compress speech code stream that receives called network side transparent transmission, above-mentioned compress speech code stream is sent to the called network side by eating dishes without rice or wine by terminal called;
Encoding and decoding speech unit 503 is used for according to the business option information of above-mentioned terminal called, above-mentioned compress speech code stream being carried out encoding and decoding speech.
Above execution mode sends to the business option information of local terminal the BSC of opposite end, and the encoding and decoding speech processing is placed on BSC; Carry out encoding and decoding speech by the BSC of opposite end and process, the local terminal compress speech code stream of eating dishes without rice or wine to receive can be in core net transparent transmission; Realize the IPization on the calling cdma network of the highly confidential requirement of needs carrying, reached the purpose of saving bandwidth.
Embodiment five, and as shown in Figure 6, the embodiment of the present invention also provides a kind of mobile services switching centre, comprising:
Route messages receiving element 601 is used for receiving the route request information that attaching position register sends;
The first business option acquiring unit 602 is used for obtaining the business option information of the calling terminal that above-mentioned route request information carries;
First information transmitting element 603 is also for the business option information of above-mentioned calling terminal being sent to the base station controller of called network side.
Further, as shown in Figure 7, above-mentioned mobile services switching centre also comprises:
Paging receiving unit 701 is for the page-response message of the base station controller transmission that receives the called network side;
The second business option acquiring unit 702 also is used for obtaining the business option information of the terminal called that above-mentioned page-response message carries;
The second information transmitting unit 703 is also for the business option information of above-mentioned terminal called being sent to the mobile services switching centre of caller network side.
Above execution mode sends to the business option information of local terminal the BSC of opposite end, and convenient encoding and decoding speech is processed being placed on BSC; Carry out encoding and decoding speech by the BSC of opposite end and process, the local terminal compress speech code stream of eating dishes without rice or wine to receive can be in core net transparent transmission; Realize the IPization on the calling cdma network of the highly confidential requirement of needs carrying, reached the purpose of saving bandwidth.
Embodiment six, and as shown in Figure 8, the embodiment of the present invention also provides a kind of mobile services switching centre, comprising:
Business option information receiving element 801 be used for to receive the message of the business option information that carries terminal called that the mobile services switching centre of called network side sends;
Business option information transmitting element 802 is for the business option information of above-mentioned terminal called being sent to the base station controller of caller network side.
Above execution mode sends to the business option information of local terminal the BSC of opposite end, and convenient encoding and decoding speech is processed being placed on BSC; Carry out encoding and decoding speech by the BSC of opposite end and process, the local terminal compress speech code stream of eating dishes without rice or wine to receive can be in core net transparent transmission; Realize the IPization on the calling cdma network of the highly confidential requirement of needs carrying, reached the purpose of saving bandwidth.
Embodiment seven, and as shown in Fig. 9 A, the embodiment of the present invention also provides a kind of communication system, comprising:
The base station controller 901 of called network side be used for to receive the business option information of the calling terminal that the mobile services switching centre 902 of called network side sends; Receive the compress speech code stream of caller network side transparent transmission, above-mentioned compress speech code stream is sent to the caller network side by eating dishes without rice or wine by calling terminal; According to the business option information of above-mentioned calling terminal, above-mentioned compress speech code stream is carried out encoding and decoding speech;
The mobile services switching centre 902 of called network side is used for receiving the route request information that attaching position register sends; Obtain the business option information of the calling terminal that carries in above-mentioned route request information; The business option information of above-mentioned calling terminal is sent to the base station controller of called network side.
Further,
In the caller network side coded system that provides that realized the invention process, specific as follows:
The base station controller 901 of above-mentioned called network side also is used for sending page-response message to the mobile services switching centre 902 of called network side, carries the business option information of terminal called in above-mentioned page-response message;
The mobile services switching centre 902 of above-mentioned called network side, the page-response message that also sends for the base station controller 901 that receives the called network side; Obtain the business option information of the terminal called that carries in above-mentioned page-response message, and send to the mobile services switching centre 903 of caller network side;
As shown in Fig. 9 B, said system also comprises:
The mobile services switching centre 903 of caller network side be used for to receive the message of the business option information that carries terminal called that the mobile services switching centre 902 of called network side sends; The business option information of above-mentioned terminal called is sent to the base station controller 904 of caller network side;
The base station controller 904 of caller network side be used for to receive the business option information of the terminal called that the mobile services switching centre 903 of caller network side sends; Receive the compress speech code stream of called network side transparent transmission, above-mentioned compress speech code stream is sent to the called network side by eating dishes without rice or wine by terminal called; According to the business option information of above-mentioned terminal called, above-mentioned compress speech code stream is carried out encoding and decoding speech.
Particularly,
The business option information of the terminal called that the business option information of the calling terminal that the mobile services switching centre 903 of above-mentioned caller network side sends and the mobile services switching centre 902 of called network side send all carries by the message with information indicating;
The message of the business option information that carries terminal called that the mobile services switching centre 902 of above-mentioned called network side sends is: ALERTING message.
Certainly, the message of more than carrying business option information can be other, and this does not affect the realization of the embodiment of the present invention, will not limit this embodiment of the present invention.
Above execution mode sends to the business option information of local terminal the BSC of opposite end, and the encoding and decoding speech processing is placed on BSC; Carry out encoding and decoding speech by the BSC of opposite end and process, the local terminal compress speech code stream of eating dishes without rice or wine to receive can be in core net transparent transmission; Realize the IPization on the calling cdma network of the highly confidential requirement of needs carrying, reached the purpose of saving bandwidth.
One of ordinary skill in the art will appreciate that all or part of step that realizes in above-described embodiment method is to come the relevant hardware of instruction to complete by program, said procedure can be stored in a kind of computer-readable recording medium, the above-mentioned storage medium of mentioning can be read-only memory, disk or CD etc.
The above informing business option information that the embodiment of the present invention is provided, the methods, devices and systems of voice transfer are described in detail, used specific case herein principle of the present invention and execution mode are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, to sum up, this description should not be construed as limitation of the present invention.
Claims (10)
1. the method for a voice transfer, is characterized in that, comprising:
The business option information of the calling terminal that the mobile services switching centre of reception called network side sends;
Receive the compress speech code stream of caller network side transparent transmission, described compress speech code stream is sent to the caller network side by eating dishes without rice or wine by calling terminal;
According to the business option information of described calling terminal, described compress speech code stream is carried out encoding and decoding speech.
2. method according to claim 1, is characterized in that,
Described business option information carries by the message with information indicating.
3. described method according to claim 1 and 2, is characterized in that, also comprises:
Mobile services switching centre to the called network side sends page-response message, carries the business option information of terminal called in described page-response message.
4. the method for a voice transfer, is characterized in that, comprising:
The business option information of the terminal called that the mobile services switching centre of reception caller network side sends;
Receive the compress speech code stream of called network side transparent transmission, described compress speech code stream is sent to the called network side by eating dishes without rice or wine by terminal called;
According to the business option information of described terminal called, described compress speech code stream is carried out encoding and decoding speech.
5. the method for an informing business option information, is characterized in that, comprising:
Receive the route request information that attaching position register sends;
Obtain the business option information of the calling terminal that carries in described route request information;
The business option information of described calling terminal is sent to the base station controller of called network side;
Receive the page-response message of the base station controller transmission of called network side;
Obtain the business option information of the terminal called that carries in described page-response message, and send to the mobile services switching centre of caller network side.
6. a base station controller, is characterized in that, comprising:
Information receiving unit be used for to receive the business option information of the calling terminal that the mobile services switching centre of called network side sends;
The voice flow receiving element, for the compress speech code stream that receives caller network side transparent transmission, described compress speech code stream is sent to the caller network side by eating dishes without rice or wine by calling terminal;
Codec unit is used for according to the business option information of described calling terminal, described compress speech code stream being carried out encoding and decoding speech;
The page response unit is used for sending page-response message to the mobile services switching centre of called network side, carries the business option information of terminal called in described page-response message.
7. a base station controller, is characterized in that, comprising:
The business option receiving element be used for to receive the business option information of the terminal called that the mobile services switching centre of caller network side sends;
The phonetic code receiving element, for the compress speech code stream that receives called network side transparent transmission, described compress speech code stream is sent to the called network side by eating dishes without rice or wine by terminal called;
The encoding and decoding speech unit is used for according to the business option information of described terminal called, described compress speech code stream being carried out encoding and decoding speech.
8. a mobile services switching centre, is characterized in that, comprising:
The route messages receiving element is used for receiving the route request information that attaching position register sends;
The first business option acquiring unit is used for obtaining the business option information of the calling terminal that described route request information carries;
First information transmitting element is for the business option information of described calling terminal being sent to the base station controller of called network side;
Paging receiving unit is for the page-response message of the base station controller transmission that receives the called network side;
The second business option acquiring unit is used for obtaining the business option information of the terminal called that described page-response message carries;
The second information transmitting unit is for the business option information of described terminal called being sent to the mobile services switching centre of caller network side.
9. a communication system, is characterized in that, comprising:
The base station controller of called network side be used for to receive the business option information of the calling terminal that the mobile services switching centre of called network side sends; Receive the compress speech code stream of caller network side transparent transmission, described compress speech code stream is sent to the caller network side by eating dishes without rice or wine by calling terminal; According to the business option information of described calling terminal, described compress speech code stream is carried out encoding and decoding speech;
The mobile services switching centre of called network side is used for receiving the route request information that attaching position register sends; Obtain the business option information of the calling terminal that carries in described route request information; The business option information of described calling terminal is sent to the base station controller of called network side.
10. system according to claim 9, is characterized in that,
The base station controller of described called network side also is used for sending page-response message to the mobile services switching centre of called network side, carries the business option information of terminal called in described page-response message;
The mobile services switching centre of described called network side, the page-response message that also sends for the base station controller that receives the called network side; Obtain the business option information of the terminal called that carries in described page-response message, and send to the mobile services switching centre of caller network side;
Described system also comprises:
The mobile services switching centre of caller network side be used for to receive the message of the business option information that carries terminal called that the mobile services switching centre of called network side sends; The business option information of described terminal called is sent to the base station controller of caller network side;
The base station controller of caller network side be used for to receive the business option information of the terminal called that the mobile services switching centre of caller network side sends; Receive the compress speech code stream of called network side transparent transmission, described compress speech code stream is sent to the called network side by eating dishes without rice or wine by terminal called; According to the business option information of described terminal called, described compress speech code stream is carried out encoding and decoding speech.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201010103713 CN101801028B (en) | 2010-01-22 | 2010-01-22 | Method, device and system for informing business option information and transmitting voice |
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| CN 201010103713 CN101801028B (en) | 2010-01-22 | 2010-01-22 | Method, device and system for informing business option information and transmitting voice |
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| CN101801028B true CN101801028B (en) | 2013-11-06 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1501724A (en) * | 2002-11-13 | 2004-06-02 | 华为技术有限公司 | A Method for voice transmission in mobile communication system |
| CN1997066A (en) * | 2005-12-31 | 2007-07-11 | 北京三星通信技术研究有限公司 | Method and device for caller customization information transfer to the called in the UMTS system |
| CN101064727A (en) * | 2006-04-30 | 2007-10-31 | 中兴通讯股份有限公司 | Process method for realizing packet based bear format negotiation in C network |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1501724A (en) * | 2002-11-13 | 2004-06-02 | 华为技术有限公司 | A Method for voice transmission in mobile communication system |
| CN1997066A (en) * | 2005-12-31 | 2007-07-11 | 北京三星通信技术研究有限公司 | Method and device for caller customization information transfer to the called in the UMTS system |
| CN101064727A (en) * | 2006-04-30 | 2007-10-31 | 中兴通讯股份有限公司 | Process method for realizing packet based bear format negotiation in C network |
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