CN101330669B - Method and system for implementing transfer of voice to fax business based on CDMA2000 mobile communication system - Google Patents
Method and system for implementing transfer of voice to fax business based on CDMA2000 mobile communication system Download PDFInfo
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- CN101330669B CN101330669B CN 200810142507 CN200810142507A CN101330669B CN 101330669 B CN101330669 B CN 101330669B CN 200810142507 CN200810142507 CN 200810142507 CN 200810142507 A CN200810142507 A CN 200810142507A CN 101330669 B CN101330669 B CN 101330669B
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Abstract
The invention discloses a method and a system for implementing voice-to-fax service based on a CDMA2000 mobile communication system. Direction information of voice and fax is transmitted through an expanded threegcsd packet or a newly added data packet to achieve the user operation manner supporting voice-calling fax transmission and voice-called fax reception and the user operation manner supporting voice-calling fax reception and voice-called fax transmission when a user initiates the voice-to-fax service. The method and the system have very easy technique implementation process and suit mobile communication networks such as CDMA2000, WCDMA, etc.
Description
Technical field
The present invention relates to moving communicating field, relate in particular to the moving communicating field at CDMA2000, (MGW is media gateway to IWF (IWF is network interworking function, Inter working Function) to be positioned at MGW, Media Gateway) in the situation of side, the realization of service converting voice to fax.
Background technology
Mobile communications network is realized and PSTN (PSTN is public switched telephone network, Public Switched Telephone Network) the similar traditional circuit type data service of network by IWF equipment.IWF be one between mobile communications network and PSTN network, the equipment of IWF is provided.It utilizes travelling carriage (MS is travelling carriage, and Mobile Station represents to have the terminal of circuit type data service function at this paper) to come together for the user provides the function identical with wired MODEM, to realize circuit data service with MODEM on IWF.
At present, it is to be introduced into voice to carry out the mode of facsimile service that the user is widely used again, and namely user both sides are introduced into voice call, and then send a fax, and is called for short " voice turn fax ".
The user can send fax according to the voice caller, speech called mode of operation of receiving faxes sends fax, and the mode of operation of also can receive faxes according to the voice caller, speech called transmission being faxed sends fax.
The position of IWF can be in the BSC side, also can be in the MGW side, below under content be all take the position of IWF in the MGW side as prerequisite, the back repeats no more.
As shown in Figure 1, (IP is Internet Protocol to be based on IP BSC; BSC is base station controller, Base Station Controller) voice caller sends fax, speech called receiving faxes, and (MSCE is the mobile switch simulation centre to MSCE1, Mobile Switching CenterEmulation) and be that (SIP is Session initiation Protocol to SIP between MSCE2, Session InitiationProtocol) handling process that connects comprises the steps:
S101:MS1 dials the number of MS2, and MS2 sets up audio call, and conversation is normal.
S102: the voice calling and called are all pressed the starting fax key of facsimile machine, and the beginning voice turn fax, and wherein MS1 sends fax, and MS2 receives faxes; MS1 sends CNG (CNG is facsimile machine caller tone signal, Calling Tone) sound to MS2.
After S103:MS2 receives the CNG sound, send CED (CED is called tation sign sound, Called Station Identification) sound to MS1.
After S104:MS2 finds that will carry out voice turns fax, notify BSC2 that service converting voice to fax occurs by eating dishes without rice or wine.
Therefore S105:IP BSC2 notifies MSCE2 equally, and MSCE2 is known service converting voice to fax has been occured.
Be that SIP connects between S106a:MSCE2 judgement and MSCE1, therefore, by sending reINVITE message, wherein carry harmless encoding and decoding, service converting voice to fax has occured in notice MSCE1.
S106b:MSCE1 receives this message, according to the harmless encoding and decoding of wherein carrying, knows service converting voice to fax has occured; Send 200OK message to MSCE2, wherein carry harmless encoding and decoding.
S106c:MSCE2 sends ACK to MSCE1, confirms.
S107a: fax sender MSCE1 sends message to IP BSC1, consults to switch to facsimile service, and modifies codec to harmless form.
S107b: fax recipient MSCE2 sends message to IP BSC2, modifies codec to harmless form.
S108:IP BSC1 notifies the fax sender MS1 by eating dishes without rice or wine, and consults to switch to facsimile service.
S109a:MSCE1 and MGW1 send interacting message, consult to modify codec to harmless encoding and decoding, and do operations such as setting up the IWF resource.
S109b:MSCE2 and MGW2 carry out interacting message, consult to modify codec to harmless encoding and decoding, and do operations such as setting up the IWF resource.
IWF on S110a:MS1 and MGW1 holds consultation.
IWF on S110b:MS2 and MGW2 holds consultation.
IWF on S111:MGW1 and MGW2 holds consultation, and completes the transmission of fax.
As shown in Figure 2, the voice caller that is based on IP BSC is received faxes, speech called transmission fax, and is the flow process that SIP connects between MSCE1 and MSCE2, comprises the steps:
S201:MS1 dials the number of MS2, and MS1 sets up audio call, and conversation is normal.
The processing of S202～S211 is identical with the processing procedure of S102～S111.
And according to the 3GPP2C.S0017-007-A_v1.0040617 protocol requirement, realize service converting voice to fax, MGW is when setting up the IWF resource in the MSCE indication, not only to notify the directional information (i.e. transmit leg and the recipient of fax) of MGW fax, also need the directional information (being voice caller and speech called) voice also to bring MGW.
Present CDMA2000 system can be by 3GPP TS 29.232 protocol extension the Signals parameter of threegcsd bag H.248, bring MGW with the directional information of fax; This parameter has two assignment definition, and is specific as follows:
″Orig″(0x0000)：originating
″Term″(0x0001)：terminating
The former local terminal is the transmit leg of fax, and the latter represents that local terminal is the recipient of fax.
But MSCE according to existing protocol, but can't take MGW and IWF to for the directional information of voice, like this when realizing service converting voice to fax, just can't realize speech called transmission fax, the voice caller basic mode of operation of this user of receiving faxes.
Summary of the invention
In order to solve the problems of the technologies described above, the present invention proposes a kind of service converting voice to fax implementation method and system based on the CDMA2000 mobile communication system, the H.248 method of agreement is expanded in employing, so that MSCE is when realizing service converting voice to fax, by agreement H.248, not only bring MGW the directional information of fax, also will bring MGW the directional information of voice.
The present invention proposes the service converting voice to fax implementation method based on the CDMA2000 mobile communication system, before indication local terminal media gateway is set up the network interworking function resource, also comprises following treatment step at local terminal mobile switch simulation centre:
1) local terminal mobile switch simulation centre is known service converting voice to fax has been occured;
2) local terminal mobile switch simulation centre determines that the voice calling and called characteristic of local terminal travelling carriage and fax send, receiving feature;
3) local terminal mobile switch simulation centre sends to the local terminal media gateway with the characteristic information of local terminal travelling carriage.
Preferably, described step 3) be specially in: after local terminal mobile switch simulation centre carries out package with the characteristic information of local terminal travelling carriage, then with Packet Generation to the local terminal media gateway.
Preferably, the characteristic information of described local terminal travelling carriage is sealed to based in the Signals parameter during H.248 the threegcsd of agreement wraps, by the characteristic information combination of four kinds of parameter different assign representation local terminal travelling carriages.
Preferably, the fax of described local terminal travelling carriage sends, receiving feature is sealed to based in the Signals parameter during H.248 the threegcsd of agreement wraps, by fax transmission, the receiving feature of two kinds of parameter different assign representation local terminal travelling carriages; The voice calling and called characteristic of described local terminal travelling carriage is sealed in the packet of an expansion.
Preferably, described voice calling and called characteristic comprises: voice calling terminal, speech called end; Described fax sends, receiving feature comprises: fax transmitting terminal, fax receiving terminal.
The service converting voice to fax system based on the CDMA2000 mobile communication system that the present invention proposes, comprise the travelling carriage of calling and called side, IP-based base station controller, mobile switch simulation centre and media gateway, the mobile switch simulation centre of calling and called side uses SIP to connect, and described mobile switch simulation centre is used for obtaining by the IP-based base station controller of local terminal the initiation information of service converting voice to fax; Be used for also determining that the voice calling and called characteristic of local terminal travelling carriage and fax send, receiving feature, and characteristic information is sent to the local terminal media gateway; Described local terminal media gateway also is used for setting up the network interworking function resource according to the characteristic information of local terminal travelling carriage.
Preferably, described mobile switch simulation centre also is used for the characteristic information package with the local terminal travelling carriage, and sends this packet to the local terminal media gateway.
Preferably, described characteristic information package is the threegcsd bag based on agreement H.248, wherein four specific character information combination of four kinds of corresponding local terminal travelling carriages of different assignment of Si gnals parameter in the threegcsd bag.
Preferably, described fax sends, the receiving feature package be based on H.248 the threegcsd bag of agreement, wherein fax transmission, the receiving feature of two kinds of corresponding local terminal travelling carriages of different assignment of Signals parameter in the threegcsd bag; Described voice calling and called characteristic package is the packet of an expansion.
Preferably, described voice calling and called characteristic comprises: voice calling terminal, speech called end; Described fax sends, receiving feature comprises: fax transmitting terminal, fax receiving terminal.
According to method and system provided by the invention, in the time of can realizing that the user initiates service converting voice to fax, the support voice caller sends fax, speech called user's mode of operation of receiving faxes, also can the support voice caller receive faxes, the user's of speech called transmission fax mode of operation, and have the mode of the parameter of wrapping or the mode of newly-increased packet by expansion, implement also very simple.
Description of drawings
The voice caller that Fig. 1 is based on IP BSC sends fax, speech called receiving faxes, and is the flow process that SIP connects between MSCE1 and MSCE2;
Fig. 2 is based on that the voice caller of IP BSC is received faxes, speech called transmission fax, and is the flow process that S1P connects between MSCE1 and MSCE2;
Fig. 3 be in the preferred embodiment of the present invention after Extended Protocol the voice caller send fax, the interacting message figure of MSCE and MGW;
Fig. 4 be in the preferred embodiment of the present invention after Extended Protocol the voice caller receive faxes, the interacting message figure of MSCE and MGW;
Fig. 5 is speech called transmission fax after Extended Protocol in the preferred embodiment of the present invention, the interacting message figure of MSCE and MGW;
Fig. 6 is speech called receiving faxes after Extended Protocol in the preferred embodiment of the present invention, the interacting message figure of MSCE and MGW.
Embodiment
Below in conjunction with drawings and embodiments, the present invention will be further described in detail.
The characteristic information combination of the local terminal travelling carriage that obtains due to MSCE comprises four kinds of situations, when setting up the IWF resource, can be by interface H.248, and the information that MSCE need to bring MGW is as follows:
1) the voice caller sends fax: the direction of voice is callers, and the direction of fax is faxed
Transmit leg;
2) the voice caller is received faxes: the direction of voice is callers, and the direction of fax is faxed
The recipient;
3) speech called transmission fax: the direction of voice is called, and the direction of fax is faxed
Transmit leg;
4) speech called receiving faxes: the direction of voice is called, and the direction of fax is faxed
The recipient.
In order all to bring MGW with above-mentioned information, one of mode of employing is by expansion 3GPP
The method of the Signals parameter of the threegcsd bag of TS 29.232 agreements solves this problem.Wherein,
" OrigTerm " (0x0002) is defined as: the direction of voice is callers, and the direction of fax is the recipient of fax, i.e. voice caller is received faxes.
" TermOrig " (0x0003) is defined as: the direction of voice is called, and the direction of fax is the transmit leg of fax, i.e. speech called transmission fax.
Existing two the value meanings of this agreement also are amended as follows:
" Orig " (0x0000) is defined as: the direction of voice is callers, and the direction of fax is the transmit leg of fax, i.e. voice caller sends fax.
" Term " (0x0001) is defined as: the direction of voice is called, and the direction of fax is the recipient of fax, i.e. speech called receiving faxes.
Another kind of processing mode be by the mode of a newly-increased bag (such as: the bag name can be threegvoice), bring MGW the direction of voice.This moment, the threegcsd band was exactly the directional information of faxing to MGW.
Fig. 3 is that after the present invention adopts the Extended Protocol of first kind of way, the voice caller sends fax, and the interacting message figure of MSCE and MGW comprises the following steps:
After S301:MSCE enters conversation state, know service converting voice to fax has occured.
S302:MSCE finds that local terminal is the voice callers, and is the transmitting terminal of fax, sends message to MGW, sets up the IWF resource, and wherein the Signal s content of parameter in the threegcsd bag is: Orig.
S109a:MGC sets up the IWF resource according to the information in Extended Protocol.
Fig. 4 is that after the present invention adopts the Extended Protocol of first kind of way, the voice caller is received faxes, and the interacting message figure of MSCE and MGW comprises the following steps:
After S401:MSCE enters conversation state, know service converting voice to fax has occured.
S402:MSCE finds that local terminal is the voice callers, and is the receiving terminal of fax, sends message to MGW, sets up the IWF resource, and wherein the Signals content of parameter in the threegcsd bag is: Ori gTerm.
S209a, MGC sets up the IWF resource according to the information in Extended Protocol.
Fig. 5 is that the present invention adopts speech called transmission fax after the Extended Protocol of first kind of way, and the interacting message figure of MSCE and MGW comprises the following steps:
After S501:MSCE enters conversation state, know service converting voice to fax has occured.
S502:MSCE finds that local terminal is speech called, and is the transmitting terminal of fax, sends message to MGW, sets up the IWF resource, and wherein the Signals content of parameter in the threegcsd bag is: TermOrig.
S209b:MGC sets up the IWF resource according to the information in Extended Protocol.
Fig. 6 is that the present invention adopts speech called receiving faxes after the Extended Protocol of first kind of way, and the interacting message figure of MSCE and MGW comprises the following steps:
After S601:MSCE enters conversation state, know service converting voice to fax has occured;
S602:MSCE finds that local terminal is speech called, and is the receiving terminal of fax, sends message to MGW, sets up the IWF resource, and wherein the Signals content of parameter in the threegcsd bag is: Term.
S109b, MGC sets up the IWF resource according to the information in Extended Protocol.
The invention provides a kind of service converting voice to fax system based on the CDMA2000 mobile communication system, comprise the travelling carriage of calling and called side, IP-based base station controller, mobile switch simulation centre and media gateway, the mobile switch simulation centre of calling and called side uses SIP to connect
The mobile switch simulation centre is used for obtaining by the IP-based base station controller of local terminal the initiation information of service converting voice to fax; Be used for also determining that the voice calling and called characteristic of local terminal travelling carriage and fax send, receiving feature, and characteristic information is sent to the local terminal media gateway; The local terminal media gateway also is used for setting up the network interworking function resource according to the characteristic information of local terminal travelling carriage.
Further, in the present invention, also have following characteristics: the mobile switch simulation centre also is used for the characteristic information package with the local terminal travelling carriage, and sends this packet to the local terminal media gateway.
Further, in the present invention, also have following characteristics: the characteristic information package is the threegcsd bag based on agreement H.248, wherein four specific character information combination of four kinds of corresponding local terminal travelling carriages of different assignment of Signals parameter in the threegcsd bag.
Further, in the present invention, also have following characteristics: fax sends, the receiving feature package is for based on the threegcsd bag of agreement H.248, wherein in the threegcsd bag fax of two kinds of corresponding local terminal travelling carriages of different assignment of Signals parameter send, receiving feature; Voice calling and called characteristic package is the packet of an expansion.
Further, in the present invention, also have following characteristics: voice calling and called characteristic comprises: voice calling terminal, speech called end; Described fax sends, receiving feature comprises: fax transmitting terminal, fax receiving terminal.
In sum, adopt the present invention, can be when the CDMA2000 system realize service converting voice to fax, the support voice caller sends user's mode of operation of fax, speech called acceptance fax, also can the support voice caller receives faxes, user's mode of operation of speech called transmission fax; Method of the present invention also can be applied in other communications fields such as WCDMA, also all within the scope of protection of the invention.
The above examples of implementation is more preferably embodiment of the present invention, within the common variation that those skilled in the art carries out in the technical solution of the present invention scope and replacement all should be included in protection scope of the present invention.
Claims (4)
1. the service converting voice to fax implementation method based on the CDMA2000 mobile communication system, is characterized in that, local terminal mobile switch simulation centre also comprises following treatment step before indication local terminal media gateway is set up the network interworking function resource:
1) local terminal mobile switch simulation centre is known service converting voice to fax has been occured;
2) local terminal mobile switch simulation centre is determined the characteristic information of local terminal travelling carriage, described characteristic information comprises that the described local terminal travelling carriage of indication is the information of voice calling terminal or speech called end, and indicates described local terminal travelling carriage to be the information of fax transmitting terminal or fax receiving terminal;
3) local terminal mobile switch simulation centre sends to the local terminal media gateway with the characteristic information of local terminal travelling carriage.
2. the service converting voice to fax implementation method based on the CDMA2000 mobile communication system according to claim 1, it is characterized in that, be specially in described step 3): after local terminal mobile switch simulation centre carries out package with the characteristic information of local terminal travelling carriage, then with Packet Generation to the local terminal media gateway.
3. the service converting voice to fax implementation method based on the CDMA2000 mobile communication system according to claim 2, it is characterized in that, the characteristic information of described local terminal travelling carriage is sealed to based in the Signals parameter during H.248 the threegcsd of agreement wraps, by the characteristic information combination of four kinds of parameter different assign representation local terminal travelling carriages.
4. the service converting voice to fax implementation method based on the CDMA2000 mobile communication system according to claim 2, it is characterized in that, described indication local terminal travelling carriage is sealed to based in the Signals parameter during H.248 the threegcsd of agreement wraps, by fax transmission, the receiving feature of two kinds of parameter different assign representation local terminal travelling carriages for the characteristic information of fax transmitting terminal or fax receiving terminal; The characteristic information that described indication local terminal travelling carriage is voice calling terminal or speech called end is sealed in the packet of an expansion.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1801874A (en) * | 2005-01-07 | 2006-07-12 | 华为技术有限公司 | Method for realizing voice service switching to fax service |
| WO2007062418A2 (en) * | 2005-11-28 | 2007-05-31 | Texas Instruments Incorporated | Media gateway control protocol (mgcp) package for voice over internet protocol (voip) telecommunication transmissions |
| CN101111002A (en) * | 2007-09-05 | 2008-01-23 | 中兴通讯股份有限公司 | Lossless transmission method in IP field junction centre after implementing business change by voice |
| CN101132461A (en) * | 2007-08-01 | 2008-02-27 | 华为技术有限公司 | Method, system and equipment for implementing changing from voice business to fax business |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1801874A (en) * | 2005-01-07 | 2006-07-12 | 华为技术有限公司 | Method for realizing voice service switching to fax service |
| WO2007062418A2 (en) * | 2005-11-28 | 2007-05-31 | Texas Instruments Incorporated | Media gateway control protocol (mgcp) package for voice over internet protocol (voip) telecommunication transmissions |
| CN101132461A (en) * | 2007-08-01 | 2008-02-27 | 华为技术有限公司 | Method, system and equipment for implementing changing from voice business to fax business |
| CN101111002A (en) * | 2007-09-05 | 2008-01-23 | 中兴通讯股份有限公司 | Lossless transmission method in IP field junction centre after implementing business change by voice |
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Effective date of registration: 20170913 Address after: The 2 District 063000 in Lutai province Hebei province Tongcheng Lunan District Tangshan City Town Village 1 ranked No. 3 Patentee after: Yu Zhijin Address before: 518057 Nanshan District science and Technology Park, Guangdong, South Road, ZTE building, science and Technology Park Patentee before: ZTE Corporation |
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Address after: Xinyi Road Xiufeng District, Guilin city 541001 No. 93 the Guangxi Zhuang Autonomous Region Patentee after: Yu Zhijin Address before: The 2 District 063000 in Lutai province Hebei province Tongcheng Lunan District Tangshan City Town Village 1 ranked No. 3 Patentee before: Yu Zhijin |
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