CN100576859C - A kind of method and system of realizing solid network terminal moving - Google Patents
A kind of method and system of realizing solid network terminal moving Download PDFInfo
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- CN100576859C CN100576859C CN200510133808A CN200510133808A CN100576859C CN 100576859 C CN100576859 C CN 100576859C CN 200510133808 A CN200510133808 A CN 200510133808A CN 200510133808 A CN200510133808 A CN 200510133808A CN 100576859 C CN100576859 C CN 100576859C
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Abstract
The present invention relates to realize method, system and the corresponding mobile terminal of solid network terminal moving.Described method comprises: set up and stack PSTN mobile core network at the PSTN network, wherein, described PSTN mobile core network comprises: PSTN moving exchanging center MSC, PSTN attaching position register HLR, Service Control Point of intelligent network SCP, the SMC of short message service center; In the PSTN terminal, increase SIM card interface or hardware identifier, as user ID; Between PSTN terminal and PSTN MSC, set up the in-band communications signaling, utilize the mechanism of PSTN SMS and utilize FSK and/or DTMF method in the band, call signaling is delivered on the PSTN mobile switch, be used to finish the identification of PSTN terminal, authentication and number are registered, finish the business of PSTN terminal, calling charge is recorded in described SIM card or the hardware identifier simultaneously, realize the mobility of PSTN terminal thus.The user can arbitrarily change the POTS telephony interface, has realized moving of landline telephone, and core network is taked intelligent network infrastructure, makes things convenient for operator to promote IN service targetedly.
Description
Technical field
The present invention relates to the method that field of telecommunications China decides the telephone terminal mobile, be particularly related to the method that a kind of fixed network terminal is intelligent and number moves, even the also telephone number of landline telephone method movably, thus when the user moves to different positions, the telephone number of landline telephone can also remain unchanged and with the location independent at user place.
Background technology
Carry out in the process in the present business of fixed network operator, the whole network intellectuality is one of problem of paying close attention to the most at present, does promptly how solving carrying out fast with the whole network of present IN service cover? the cooperation of these service needed end office (EO)s could realize, but a lot of fixed network switches are aging, make the professional overall situation promote difficulty.
For instance, in such city, Shenzhen, a lot of people move about, and they wish that the landline telephone of oneself remains unchanged, and promptly the user has the number after the overall arrangement, the location independent at this number and user place.Because everybody often shares a cover house, they wish accurately share the expenses.
For the whole network of realizing IN service triggers and realizes number portability service, companies such as Huawei have released SHLR (smart HLR, the comprehensive intelligent attaching position register) scheme, the basic networking schematic diagram of HLR of the prior art that schematically shows referring to accompanying drawing 1 for example: at local network configuration HLR (Home Location Register attaching position register), preserve user's IN service CAMEL-Subscription-Information, for the customer call that has the IN service authority, fixed network HLR inserts different access codes according to class of service before called number, deliver to SSP (Service Switch Point Service Switching Point) and carry out the business triggering.Trigger problem with regard to the whole network that has solved IN service like this.
But this scheme also has tangible problem:
1 needs the signaling of LS (Local Switch, local switch) to cooperate, and need transform the whole network switch like this, and it is big to promote difficulty;
2 can not solve the problem of the shared circuit of many people;
3 when the user moves, needs the lot of data configuration, is inconvenient to safeguard.
Summary of the invention
For solving the above-mentioned problems in the prior art, according to an aspect of the present invention, a kind of method that realizes the mobile of fixed network PSTN terminal is provided, comprise: on the basis of PSTN network, set up and stack PSTN mobile core network, wherein, described PSTN mobile core network comprises: PSTN moving exchanging center MSC, PSTN attaching position register HLR, Service Control Point of intelligent network SCP, the SMC of short message service center; In the PSTN terminal, increase SIM card interface or hardware identifier, as user ID; Between PSTN terminal and PSTN MSC, set up the in-band communications signaling, utilize the mechanism of PSTN SMS and utilize FSK and/or DTMF method in the band, call signaling is delivered on the PSTN mobile switch, be used to finish the identification of PSTN terminal, authentication and number are registered, finish the business of PSTN terminal, calling charge is recorded in described SIM card or the hardware identifier simultaneously, realize the mobility of PSTN terminal thus.
According to another aspect of the present invention, a kind of system that realizes the mobile of fixed network PSTN terminal is provided, comprise: the PSTN mobile core network, described PSTN mobile core network serves as upward basic with the PSTN network and superposes thereon, wherein, described PSTN mobile core network comprises: PSTN moving exchanging center MSC, PSTN attaching position register HLR, Service Control Point of intelligent network SCP, the SMC of short message service center; Has the SIM card interface of increase or hardware identifier PSTN terminal as user ID; The band communication channel of between PSTN terminal and PSTN MSC, setting up, be used to utilize the mechanism of PSTN SMS and utilize FSK and/or DTMF method in the band, call signaling is delivered on the PSTN mobile switch, finish the identification of PSTN terminal, authentication and number are registered, finish the business of PSTN terminal, calling charge is recorded in described SIM card or the hardware identifier simultaneously, realize the mobility of PSTN terminal thus.
According to a further aspect of the invention, provide a kind of PSTN terminal of fixed network PSTN terminal mobile that realizes to move, have insertable SIM card interface or hardware identifier, described terminal and foundation and the PSTN mobile core network that is superimposed upon on the PSTN network are set up the in-band communications signaling, wherein, described PSTN mobile core network comprises: PSTN moving exchanging center MSC, PSTN attaching position register HLR, Service Control Point of intelligent network SCP, the SMC of short message service center; Utilize the mechanism of PSTN SMS and utilize FSK and/or DTMF method in the band, call signaling is delivered on the PSTN mobile switch, finish the identification of PSTN terminal, authentication and number are registered, finish the business of PSTN terminal, calling charge is recorded in described SIM card or the hardware identifier simultaneously, realizes the mobility of PSTN terminal thus.
According to the present invention, the user can arbitrarily change the POTS telephony interface, thereby realized PSTN (Public Switched Telephone Network, public switched telephone network (PSTN)) landline telephone moves, core network is taked up-to-date intelligent network infrastructure, thereby can make things convenient for operator to promote IN service targetedly.
Description of drawings:
From the description of the following preferred embodiment of the present invention that mode with non-limitative example is provided and from appended drawings, can clear more these and other characteristics of the present invention, advantage and beneficial effect, wherein:
Fig. 1 has schematically shown the basic networking schematic diagram of HLR of the prior art;
Fig. 2-1 has schematically shown PSTN according to the present invention and has moved the scheme networking diagram;
Fig. 2-2 has schematically shown according to PSTN mobile terminal structure figure of the present invention;
Fig. 3-1 has schematically shown according to PSTN portable terminal registration process flow chart of the present invention;
Process chart when Fig. 3-2 has schematically shown PSTN portable terminal according to the present invention and does caller;
Fig. 3-3 has schematically shown PSTN portable terminal according to the present invention and has made process chart when called;
Fig. 3-4 has schematically shown the process chart that PSTN portable terminal according to the present invention is uploaded short message;
Fig. 3-5 has schematically shown the process chart according to short-message sending under the PSTN portable terminal of the present invention;
Fig. 4-1 schematically shown PSTN mobile subscriber according to the present invention with in provide the DTMF method of user profile to go out the process chart of calling;
Fig. 4-2 schematically shown PSTN mobile subscriber according to the present invention with outside provide the DTMF method of user profile to go out the process chart of calling;
But Fig. 4-3 schematically shown PSTN mobile subscriber according to the present invention with outside provide the extended instruction DTMF method of user profile to go out the process chart of calling; And
Fig. 4-4 schematically shown PSTN mobile subscriber according to the present invention with outside provide the reduced instruction the expanded DTMF method of user profile to go out the process chart of calling.
Embodiment
Below in conjunction with the drawings; preferred implementation of the present invention is described; should be appreciated that; here the preferred implementation of Miao Shuing not is restrictive explanation; those skilled in the art can be according to principle of the present invention, the present invention is made various modifications, improvement and can not break away from the protection range that claim limits of enclosing.
According to the present invention, the user can arbitrarily change POTS (Plain old telephoneservice, outdated telephone service) telephony interface, thereby has realized moving of landline telephone, core network is taked up-to-date intelligent network infrastructure, thereby can make things convenient for operator to promote IN service targetedly.For simplicity's sake, the terminal that below will realize the mobile of PSTN fixed terminal according to the present invention is called " PSTN portable terminal ".
Main feature of the present invention is need be on the basis of PSTN network, a PSTN mobile core network is set up in stack, make full use of the PSTN Internet resources, between PSTN portable terminal and PSTN MSC, set up the in-band communications signaling, finish the identification of PSTN portable terminal, authenticate and number, finish the business of PSTN portable terminal.General step is: set up voice channel between PSTN portable terminal and the PSTN MSC, carrying in-band signalling channel in described voice channel, the in-band signalling channel comes the transmitting control signaling, then on voice channel, adopt the mode of stealing frame, by FSK transmit the PSTN portable terminal and and the PSTN mobile network between signaling because adopted digital signalling, landline telephone also can move on any POTS LINE of mobile phone at PSTN.
According to the present invention, a kind of method is provided, this method is PSTN (Public SwitchedTelephone Network, public switched telephone network (PSTN)) Terminal Design becomes portable terminal, this newly-designed PSTN portable terminal has SIM card interface or other similar hardware identifiers of mobile phone, as user ID, it is online that this PSTN terminal is received PSTN by common POTS interface, utilize similar PSTN SMS (Short Message Service then, short message service) mechanism, utilize interior FSK/DTMF (the Frequency Shift Key/Double-Tone-Multiple-Frequency frequency shift keying/dual-tone multifrequency) method of band to transmit call signaling to the PSTN mobile switch, calling charge is recorded on the user ID of SIM card, can be similar to the mobile network, this scheme has realized moving of PSTN terminal.The PSTN mobile switch can be supported multiple business simultaneously, pre-payment for example, centrex (Centrex telephone-moving), VPN (Virtual private networks, Virtual Private Network), UPT (universal personal telecommunications, universal personal telecommunications's business), CRBT (echo of Coloring Ring Back Tone CRBT) etc. are professional, support multiple IN service, as long as the user has this terminal, just can conveniently carry out the popularization of the whole network IN service.
According to such scheme provided by the invention, be based upon on traditional circuit switching basis, use the FSK mode, preferably, for expanded application, require any one section network between PSTN mobile switch and the PSTN mobile subscriber circuit switching alternate manner in addition not occur, as VoIP (Voice over Internet Protocol, voice IP) mode.
For solving network environment complicated under some application scenario, according to the present invention, also proposed complete DTMF mode the FSK mode has been replenished, and described this scheme of dtmf signaling efficiently in detail, so that promoting service is not supported on the network of the transparent transmission of FSK to some.Terminal part based on DTMF is cheap, also helps to promote this business.Based on the subject matter of DTMF mode is that the transmission speed of DTMF is slow, and some business realizing that need the transfer complex data are not easily, for common calling, need to consider to reduce the interaction times of DTMF, increase the speed that continues.In addition, consider the echo of DTMF, need to start echo elimination EC (elimination of Echo Canceller echo) and eliminate of the influence of DTMF echo,, then need to consider to start the influence that timer is removed DTMF echo if there is not echo cancellation performance to the DTMF interacting message.
What will relate to FSK transmission signaling during the follow-up method of this paper is described in above-mentioned two kinds of methods is called the FSK method, and in whole signaling reciprocal process, only use the DTMF mode be called the DTMF method.Wherein, described these two kinds of methods can reach the target that landline telephone is moved, and DTMF uses more extensive, make things convenient for, but autgmentability are not as FSK.
Below introduce the specific embodiment of the present invention in detail.
1 networking
Referring to accompanying drawing 2-1, wherein schematically shown scheme networking diagram according to the PSTN of making terminal of the present invention mobile.By a plurality of PSTN portable terminals, and the PSTN mobile core network is formed in the whole system shown in Fig. 2-1.Wherein the PSTN mobile core network comprises PSTN moving exchanging center MSC/VLR (Mobile Switch Center/Visitor LocationRegister), PSTN attaching position register HLR, Service Control Point of intelligent network SCP (Service Control Point), the SMC of short message service center (Short Message Center) forms, the PSTN portable terminal can be received PSTN LE (localexchange by common POTS interface, local switch) on, is connected on the PSTN MSC/VLR by LE again; Also can directly be connected on the PSTN MSC/VLR by the POTS interface; Also can be connected on the Access Network AN (Access Network, Access Network) by the POTS interface, AN is connected on the PSTN MSC/VLR by the V5 interface.When existing between LE and PSTN MSC when can not transparent transmission FSK signaling being connected, PSTN MSC will indicate the PSTN portable terminal to be operated in the DTMF pattern.
According to the core network with PSTN locomotive function of the present invention, have and the mutual ability of PSTN portable terminal, can finish the identification of PSTN portable terminal, register, call out, functions such as short message are for the PSTN portable terminal provides various IN services, by PSTN network, Access Network AN and directly connect and be connected with the PSTN portable terminal.
The 2PSTN mobile terminal structure
Referring to Fig. 2-2, wherein schematically shown according to PSTN mobile terminal structure figure of the present invention.Structure according to PSTN portable terminal of the present invention is very simple, similar with common fixed net short message terminal, main control unit MCU and FSK/DTMF transceiver with common phone, increase the SIM card interface on this basis, this SIM card interface both can be with common GSM/CDMA SIM card, as China Mobile of the comprehensive operator of GSM/CDMA, CHINAUNICOM, perhaps can use the SIM card of PHS (Personal Handy-phone System) mobile phone, perhaps do the unseparated hardware identifier of machine card, the convenient cost of saving.The PSTN terminal for example communicates by POTS LINE and LE/AN/MSC.The PSTN portable terminal has the caller display capabilities, has the ability that sends and receive FSK/DTMF, can cooperate network to realize the function of portable terminal; The PSTN portable terminal of design has comprised identify label according to the present invention, and corresponding enciphered message, has by in-band signalling and the mutual abilities of PSTN mobile core network such as FSK.The form of the PSTN portable terminal of design can be varied according to the present invention, is listed below:
1.PSTN mobile telephone set increases mobility on the ordinary fixed phone;
2. have the PSTN mobile telephone set of caller display capabilities, phone has the LCD Presentation Function;
3. the mobile telephone set that has PSTN SMS transmission-receiving function has the SMS function;
4. independent device and a common phone are serially connected PSTN are provided mobile service.Such device can be done very small and exquisitely and reduce cost, and gives domestic consumer's multiple choices;
5. independent device increases LCD demonstration and battery and a spot of keyboard, and caller demonstration and query capability are provided;
6. independent device increases LCD demonstration and battery and a spot of keyboard, provides PSTN SMS to receive and query function;
7. independent device increases LCD demonstration and battery and a small amount of keyboard, provides charge information to show, offers the fixed fee phone that the someone guards;
8. independent device+ADSL can be used as IAD (integrated access device, the integrated access equipment) equipment of a NGN (Next GenerationNetwork), can utilize the high reliability of PSTN network that NGN is provided business.
PSTN moves access function and describes
Major requirement of the present invention is at PSTN portable terminal and PSTN mobile core network, then required caller to show to PSTN, because IN service directly triggers by SCP, basic identical with present mobile core network, so the triggering of IN service is not described at this paper, in addition, the mode that the PSTN portable terminal is linked into PSTN MSC/VLR has multiple, comprise that direct POTS LINE inserts, V5 access or the mode that inserts by local LE, in the popularization process of fixed network mobile service, quick by local LE access way promotion business, can be generalized to all PSTN users rapidly, this paper will adopt the acting of this access way can explanation, connected mode between LE and the PSTN MSC is a lot, include ISUP (ISDN User Part, ISDNYong Hubufen), PRI (primary rate interface, basic group interface), TUP (telephone user part, Telephone User Part), R2 (R2, R2 channel associated signalling), No. 1 signaling of China etc., when using the DTMF mode, then limit connected mode between the two hardly.This paper after business is carried out, just can adopt the way that V5 inserts or POTS LINE directly inserts to reduce network construction cost only with ISUP as an illustration.PSTN moves access function and should comprise at least with the lower part:
1, the registration of PSTN portable terminal
2, the PSTN portable terminal is done caller
3, the PSTN portable terminal is done called
4, the PSTN portable terminal is uploaded short message
5, the PSTN portable terminal receives short message
Basic skills of the present invention is the FSK method, will be base description PSTN mobile service signaling procedure with this basic skills below.
The registration of PSTN portable terminal
Referring to accompanying drawing 3-1, wherein schematically shown according to PSTN portable terminal registration process flow chart of the present invention.The PSTN portable terminal must be registered after receiving on the PSTN network, and after the registration, the PSTN portable terminal just can be used as called.When the PSTN portable terminal inserts or inserts the POTS mouth again, perhaps change SIM card, perhaps carry out registration regularly automatically, start PSTN portable terminal register flow path, in order to prevent that the user from forgetting the operation register flow path, after each calling procedure authentication success, PSTN MSC will make the location registers flow process in inside:
1. off-hook (hook off) is dialed PSTN MSC mobile terminal service number by DTMF;
2. local switch LE arrives PSTNMSC by ISUP signaling IAM with call proceeding;
3.PSTN MSC returns ACM message to LE;
4.PSTN MSC returns ANM to LE;
5.PSTN MSC verifies whether speech channel sets up (the CAS signal shows that simultaneously subsequent process adopts the FSK mode) to PSTN portable terminal, transmission CAS in the speech channel of setting up;
6.PSTN portable terminal loopback CAS-ACK shows that speech channel sets up;
7.PSTN portable terminal sends register requirement by FSK mechanism, comprises SIM card physical number parameter;
8.PSTN MSC sends authentication request continuously by FSK mechanism;
9.PSTN portable terminal sends Authentication Response by FSK mechanism;
10.PSTN MSC sends and succeeds in registration, and simultaneously calling number and the herd number called out is associated the physical location of record PSTN portable terminal;
11.LE loopback RLC, speech channel is removed and is finished;
The PSTN portable terminal is done caller
Referring to accompanying drawing 3-2, the process chart when wherein having schematically shown PSTN portable terminal according to the present invention and doing caller.The caller mode of PSTN portable terminal and present PSTN dial mode are similar, and calling subscriber's off-hook is heard dialing tone, and the user dials first telephone number then
1.PSTN the number that mobile terminal stores user dials, and dial PSTN MSC service number by DTMF immediately;
2. local switch LE arrives PSTNMSC by ISUP signaling IAM with call proceeding;
3.PSTN MSC returns ACM message to LE;
4.PSTN MSC returns ANM to LE;
5.PSTN MSC verifies to PSTN portable terminal, transmission CAS whether speech channel sets up in the speech channel of setting up;
6.PSTN portable terminal loopback CAS-ACK shows that speech channel sets up;
7.PSTN portable terminal sends service request by FSK mechanism, comprises SIM card physical number parameter and setup requests;
8.PSTN MSC sends authentication request continuously by FSK mechanism;
9.PSTN portable terminal sends Authentication Response by FSK mechanism;
10.PSTN MSC transmission business is accepted service accept;
11.PSTN portable terminal sends setup, information message is transmitted called number;
12. collecting number is finished, PSTN MSC sends call proceeding message;
13. called terminal ringing, PSTN MSC sends alerting message;
14. called off-hook, PSTN MSC sends connect message;
15.PSTN portable terminal response connect ack message, conversation is set up;
The PSTN portable terminal is done called
Referring to accompanying drawing 3-3, wherein schematically shown PSTN portable terminal according to the present invention and made process chart when called.After calling user dials PSTN portable terminal is called, LE with call proceeding to PSTN MSC.When the SHLR notion is introduced, need walk MAP (mobile application part, MAP) flow process, the mode of distributing by MSRN (mobilesubscriber roaming number, Mobile Station Roaming Number) routes calls to the MSC that this PSNT portable terminal is registered.
1.PSTN the number of registration initiated a call to LE when MSC found this user to register;
2. local switch LE ring is called, and returns ACM simultaneously;
3. called off-hook;
4.LE detect off-hook event, to return the ANM signal and give PSTN MSC, conversation is set up.
Short-message sending on the PSTN portable terminal
Referring to accompanying drawing 3-4, wherein schematically shown the process chart that PSTN portable terminal according to the present invention is uploaded short message.When the PSTN portable terminal had short message to send, calling subscriber's off-hook was heard dialing tone,
1.PSTN portable terminal is dialed PSTN MSC service number by DTMF immediately;
2. local switch LE arrives PSTNMSC by ISUP signaling IAM with call proceeding;
3.PSTN MSC returns ACM message to LE;
4.PSTN MSC returns ANM to LE;
5.PSTN MSC verifies to PSTN portable terminal, transmission CAS whether speech channel sets up in the speech channel of setting up;
6.PSTN portable terminal loopback CAS-ACK shows that speech channel sets up;
7.PSTN portable terminal sends service request by FSK mechanism, comprises SIM card physical number parameter and SMS service request;
8.PSTN MSC sends authentication request continuously by FSK mechanism;
9.PSTN portable terminal sends Authentication Response by FSK mechanism;
10.PSTN MSC transmission business is accepted service accept;
11.PSTN sending, portable terminal uploads short message SMS;
12.PSTN MSC sends response SMS ACK, shows and receives;
13.PSTN MSC receives after the response of the SMC of short message service center, passes to the PSTN portable terminal;
14.PSTN portable terminal sends response SMS ACK, PSTN SMS sends successfully;
15.PSTN portable terminal automatic hand-up;
16.LE be discharged into the circuit of PSTN MSC.
The PSTN portable terminal is done called short-message sending down
Referring to accompanying drawing 3-5, wherein schematically shown process chart according to short-message sending under the PSTN portable terminal of the present invention.
1. short-message sending is to PSTN MSC under the short message service center, and how short message service center descends short-message sending to PSTN MSC, can be with reference to GSM, and PHS network short message issuing flow process;
2.PSTN the number of registration initiated a call to LE when MSC found this user to register;
3. local switch LE ring is called, and returns ACM simultaneously;
4. local switch LE sends calling number to the PSTN portable terminal;
5.PSTN portable terminal finds that calling number is oneself, then automatic off-hook is replied;
6.PSTN MSC verifies to PSTN portable terminal, transmission CAS whether speech channel sets up in the speech channel of setting up;
7.PSTN portable terminal loopback CAS-ACK shows that speech channel sets up;
8.PSTN MSC sends paging request by FSK mechanism, comprises SIM card physical number parameter;
9.PSTN it is oneself that portable terminal is found, sends paging resp;
10.PSTN MSC sends authentication request continuously by FSK mechanism;
11.PSTN portable terminal sends Authentication Response by FSK mechanism;
12. authentication is passed through, PSTN MSC issues short message SMS;
13.PSTN portable terminal sends response SMS ACK, shows and receives;
14.PSTN finishing dealing with, portable terminal after the SMS, passes to the PSTN portable terminal;
15.PSTN portable terminal sends response SMS ACK, PSTN SMS issues successfully;
16.PSTN the circuit between MSC release and the LE;
17. user's on-hook.
The DTMF method moves the important supplement of exchange base this method (FSK method) as PSTN, and is limited in view of the dtmf signaling information carrying capacity, proposes to simplify flow process;
1, the special register flow path of cancellation, registration process has dual mode:
The user dials registration center's number, with common go out to call out identical.This design will be simplified the software complexity of terminal aspect greatly, also make MSC can directly use unified playback call flow simultaneously, reduce software development cost;
The user dials any Subscriber Number, and then MSC will be user's registration automatically, and the user then succeeds in registration hearing correct ring-back tone;
Be noted that prompt tone is divided into multiple source, the user who uses implicit mode to register, whether the prompt tone of hearing is difficult to be used for correct differentiation in some cases and succeeds in registration; Have only and correctly be routed to the prompt tone that the exchange behind MSC or the MSC sends and be only correct registration process.The user can adopt and dial arbitrary phone, and confirms phone ringing or reply, and shows that then registration is successful.
2, cancellation FSK communication mode in audio call is handled, new design will no longer require terminal to support FSK mode (except the SMS).Owing to no longer require terminal must support the FSK mode, can use up the hardware cost of step reduction terminal.
3, use the signaling mode of simplifying of DTMF mode to be designed in the future that the expansion of signaling provides unified and standard expansion principle, short as far as possible instruction is adopted in operation for the whole performance of relation, take into full account factors such as DTMF delay and transmit after receive time delay simultaneously, reduce dtmf signaling in the business procedure as much as possible and receive and dispatch transfer process (not tube terminal or network alternately, the conversion of transmitting-receiving DTMF process all needs system to postpone, this 100ms at least that delays time); And for some special operational, extremely low because of overall performance is exerted an influence, then adopt the expanded signalling mode to transmit;
4, the DTMF method is done when called at the PSTN mobile phone users, and flow process and FSK method are consistent.
For the characteristics of improving one's methods better are described, will go out call flow below and be divided into four schemes explanations, each scheme all is the improvement of last scheme; Simultaneously, MSC can according to circumstances select to realize any several schemes, not have conflict between each scheme.Each flow process in order to reduce the transmission number of DTMF, is accelerated the speed that continues technically, adopts EC to eliminate the influence of DTMF echo, adopts transmission/reception conversion interval to eliminate the influence of DTMF echo, utilizes original PSTN network to receive the ability of DTMF as far as possible.
DTMF method scheme one, the user provides user totem information by the in-band signalling mode
Referring to accompanying drawing 4-1, wherein schematically shown PSTN mobile subscriber according to the present invention with in provide the DTMF method of user profile to go out the process chart of calling.Provide the mode of user totem information will have higher fail safe in the band, but in calling procedure, increased the transfer process of DTMF transmitting-receiving, this method will need to be the extra increase of this part expense at least 200 millisecond delays.
1, user's off-hook is dialed another Subscriber Number, after then the PSTN portable terminal detects this action, dials PSTN MSC access code at once, the number of preserving the user simultaneously and being dialed;
2, set up calling between LE and PSTN MSC;
3, PSTN MSC sends DTMF " C " signal and gives PSTN portable terminal (annotate: first instruction that portable terminal is received is then adopted the FSK method for the CAS signal, and other are the DTMF method);
4, PSTN portable terminal response DTMF " C " signal sends user totem informations such as Terminal ID;
5, PSTN MSC judges user ID and PSTN portable terminal place subscribers feeder sign (subscribers feeder number) relation, when both do not bind, then sends authentication request information, requires terminal to carry out authentication; Otherwise send " C " instruction, notice PSTN portable terminal continues next step operation;
6, PSTN portable terminal response authentication request, compute authentication result notification PSTNMSC;
7, MSC handles authenticating result, then sends " C " after authentication is passed through and notifies next step operation;
8, the PSTN portable terminal is received " C " instruction, then sends user's dialing numbers of having preserved, and continues to send the new number of transfering to of user.
DTMF method scheme two, the user directly sends user label information by out-band method
Referring to accompanying drawing 4-2, wherein schematically shown PSTN mobile subscriber according to the present invention with outside provide the DTMF method of user profile to go out the process chart of calling.Reduced the signalling interactive process in the authentication process in this method, DTMF amount of receiving and sending messages and conversion also reduce, and therefore can reduce the time delay that continues to a great extent, have also reduced in the individual call process mistake probability of happening in the signaling transmittance process simultaneously.
1, user's off-hook dialing numbers, PSTN portable terminal are initiated to the calling that PSTN MSC inserts the center at once, and the number of dialing automatically is access code+user ID number;
2, PSTN MSC checks the binding relationship of user ID and PSTN portable terminal registration number, and starts authorizing procedure (consistent with scheme one) where necessary;
3, after authentication was passed through, PSTN MSC sent the indication " C " that collects the digits and gives the PSTN mobile subscriber terminal;
4, the PSTN portable terminal continues to send the number that the user dials;
DTMF method scheme three is supported the signaling method that instruction is expanded
Referring to accompanying drawing 4-3, but wherein schematically shown PSTN mobile subscriber according to the present invention with outside provide the extended instruction DTMF method of user profile to go out the process chart of calling.When scheme two realizes basic service in the incipient stage, there is not any problem, but considers the support of business realizing and complicated business in the future, should consider more fully to instruct planning support, to guarantee the sustainable development of product.Proposed to support the DTMF scheme three of the signaling method that instruction is expanded thus.
PSTN Mobile signaling reduced instruction rule, follow several agreements:
√ adheres to the thin-client principle, simplifies Terminal Design as much as possible;
√ usual instructions and concern that the instruction of performance index must enough simplify;
√ is with good expansibility and is compatible;
The √ terminal always works in Passive Mode, and the operation of being done determines by network therefore whenever all must not send command word;
The DTMF command word:
* house-keeping instruction word, follow-up is an instruction, terminal need be waited for " C " after response;
Generally speaking, " # " house-keeping instruction need not, but at some in particular cases, " * ", " # " can be used as the removing indication of last instruction and use.Send continuously a plurality of house-keeping instructions, then the PSTN portable terminal always can be ignored last instruction optional word, and in addition, " the state instruction can make the overtime timing of resetting of PSTN portable terminal.
According to foregoing description, the flow process in the modification two is as follows:
DTMF method scheme four is supported the signaling method of simplifying of instruction expansion
The flow process of above-mentioned DTMF method scheme three can further be simplified, authentication process can carry out in call handling process, can reduce authentication house-keeping instruction word " * " thus, and next step operation indication " C ", will make the interior service interaction of band only have DTMF transmitting-receiving transfer process one time after the modification:
In the foregoing description, house-keeping instruction word " # " can omit in the authentication indication.
Referring to accompanying drawing 4-4, wherein schematically shown PSTN mobile subscriber according to the present invention with outside provide the reduced instruction the expanded DTMF method of user profile to go out the process chart of calling.Call out basic process:
1, the user dials the number that will call out, and the PSTN portable terminal detects this operation, and is initiated to the calling of PSTN MSC at once, and dialing numbers is Mobility Center access code+user ID number;
2, whether after PSTN MSC receives this call request, checking needs authentication; If do not need authentication, then send at once " C ", notice PSTN portable terminal sends user's dialing numbers (last figure does not provide);
3 otherwise carry out the authentication process flow process, send " A "+authentication request information.
4, after the PSTN portable terminal sends authenticating result, send user's dialing numbers at once.
The DTMF method,
Part signaling specific definition
Two kinds of selections of authentication request definition:
Fixed length authentication length, then authentication request only comprises authentication code information, can be decided to be 4 DTMF;
Elongated authentication length, then first DTMF is Length Indication, follow-up is the authentication code information of DTMF;
The Authentication Response definition:
The length of Authentication Response must keep equal length with the authentication request sign indicating number, gets low (height) byte part of result of calculation.
Fixed length authentication length mode can solve different terminals subscription authentication length issue by different access code methods; Elongated authentication length mode can increase the transmission of a DTMF information in the authentication process, but can reduce the allocation problem of network, supports in terminal under the situation of multiple authentication arithmetic, and network can use the authentication mode that needs flexibly according to the signatory situation of user; Simultaneously, because registration process only takes place authentication process, the regular phone process does not then exist, and therefore can't influence systematic function.
Below in conjunction with the drawings a kind of fixed network terminal of the present invention method intelligent and that number moves is set forth, but the present invention is not limited to this.One skilled in the art will appreciate that according to the principle of the invention, can make various modifications, improvement, and do not break away from the enclose scope of claim of the present invention the present invention.
Claims (18)
1. method that realizes the mobile of fixed network PSTN terminal comprises:
On the basis of PSTN network, set up and stack PSTN mobile core network, wherein, described PSTN mobile core network comprises: PSTN moving exchanging center MSC, PSTN attaching position register HLR, Service Control Point of intelligent network SCP, the SMC of short message service center;
In the PSTN terminal, increase SIM card interface or hardware identifier, as user ID;
Between PSTN terminal and PSTN MSC, set up the in-band communications signaling, utilize the mechanism of PSTNSMS and utilize FSK and/or DTMF method in the band, call signaling is delivered on the PSTN mobile switch, be used to finish the identification of PSTN terminal, authentication and number are registered, finish the business of PSTN terminal, calling charge is recorded in described SIM card or the hardware identifier simultaneously, realize the mobility of PSTN terminal thus.
2, according to the process of claim 1 wherein that it is online that described PSTN terminal is connected to the PSTN mobile core by common outdated telephone service POTS interface.
3, according to the method for claim 2, wherein, the PSTN terminal can be received on the PSTN local switch LE by common POTS interface, is connected on the PSTN MSC by LE again; Perhaps directly be connected on the PSTN MSC by the POTS interface; Perhaps be connected on the Access Network AN, be connected on the PSTN MSC by the V5 interface by AN again by the POTS interface.
4, according to the process of claim 1 wherein that described PSTN mobile core network has the ability with the PSTN terminal interaction, can finish identification, registration, calling, the message function of PSTN portable terminal; And the multiple business of supporting the PSTN terminal, comprising: pre-payment, Centrex telephone-moving, Virtual Private Network, universal personal telecommunications's business, CRBT echo business and multiple IN service.
5, according to the process of claim 1 wherein, the SIM card interface that increases in the PSTN terminal can perhaps can be used the SIM card of PHS mobile phone with common GSM/CDMA SIM card, or the unseparated hardware identifier of machine card.
6, according to the process of claim 1 wherein, in described PSTN terminal, comprise identify label, and corresponding enciphered message.
7, according to the method for claim 1, also be included in after the PSTN terminal is linked into PSTNMSC, the mobile access function that described terminal can be achieved as follows, described function comprises: the registration of PSTN terminal, PSTN terminal do caller, PSTN terminal do called, the PSTN terminal uploads short message and the PSTN terminal receives short message.
8, according to the method for claim 1, also comprise in complete DTMF mode the FSK mode replenished, with promoting service to the network of not supporting the transparent transmission of FSK.
9, method according to Claim 8, when using the DTMF mode, can cancel register flow path or in audio call is handled cancellation FSK communication mode, to simplify signaling process.
10, method according to Claim 8, when using the DTMF mode, in order to reduce the transmission number of DTMF, accelerate the speed that continues, adopt echo to eliminate the influence that EC eliminates the DTMF echo, adopt transmission/reception conversion interval to eliminate the influence of DTMF echo, receive the ability of DTMF to utilize original PSTN network.
11, method according to Claim 8, wherein, when using the DTMF mode, the user provides user totem information by the in-band signalling mode, and perhaps the user directly sends user label information by out-band method.
12, according to the method for claim 11, wherein, when the user directly sends user label information by out-band method, adopt the signaling method of supporting the instruction expansion, to support business realizing and complicated business in the future.
13, a kind of system that realizes the mobile of fixed network PSTN terminal comprises:
The PSTN mobile core network, described PSTN mobile core network serves as upward basic with the PSTN network and superposes thereon, wherein, described PSTN mobile core network comprises: PSTN moving exchanging center MSC, PSTN attaching position register HLR, Service Control Point of intelligent network SCP, the SMC of short message service center;
Has the SIM card interface of increase or hardware identifier PSTN terminal as user ID;
The band communication channel of between PSTN terminal and PSTN MSC, setting up, be used to utilize the mechanism of PSTN SMS and utilize FSK and/or DTMF method in the band, call signaling is delivered on the PSTN mobile switch, finish the identification of PSTN terminal, authentication and number are registered, finish the business of PSTN terminal, calling charge is recorded in described SIM card or the hardware identifier simultaneously, realize the mobility of PSTN terminal thus.
14, according to the system of claim 13, also comprise outdated telephone service POTS interface, it is online to be used for that described PSTN terminal is connected to the PSTN mobile core.
15, according to the system of claim 14, wherein, the PSTN terminal can be received on the PSTN local switch LE by common POTS interface, is connected on the PSTNMSC by LE again; Perhaps directly be connected on the PSTN MSC by the POTS interface; Perhaps be connected on the Access Network AN, be connected on the PSTNMSC by the V5 interface by AN again by the POTS interface.
16, according to the system of claim 13, wherein, described PSTN mobile core network has the ability with the PSTN terminal interaction, can finish identification, registration, calling, the message function of PSTN portable terminal; And the multiple business of supporting the PSTN terminal, comprising: pre-payment, Centrex telephone-moving, Virtual Private Network, universal personal telecommunications's business, CRBT echo business and multiple IN service.
17, according to the system of claim 13, wherein, the SIM card interface that is increased can be with common GSM/CDMA SIM card, perhaps can be with the SIM card of PHS mobile phone, or the unseparated hardware identifier of machine card.
18, a kind of PSTN portable terminal of realizing the mobile of fixed network PSTN terminal, have insertable SIM card interface or hardware identifier, described terminal and foundation and the PSTN mobile core network that is superimposed upon on the PSTN network are set up the in-band communications signaling, wherein, described PSTN mobile core network comprises: PSTN moving exchanging center MSC, PSTN attaching position register HLR, Service Control Point of intelligent network SCP, the SMC of short message service center; Utilize the mechanism of PSTN SMS and utilize FSK and/or DTMF method in the band, call signaling is delivered on the PSTN mobile switch, finish the identification of PSTN terminal, authentication and number are registered, finish the business of PSTN terminal, calling charge is recorded in described SIM card or the hardware identifier simultaneously, realizes the mobility of PSTN terminal thus.
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| Application Number | Priority Date | Filing Date | Title |
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| CN200510133808A CN100576859C (en) | 2005-12-21 | 2005-12-21 | A kind of method and system of realizing solid network terminal moving |
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| CN200510133808A CN100576859C (en) | 2005-12-21 | 2005-12-21 | A kind of method and system of realizing solid network terminal moving |
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| CN1988572A CN1988572A (en) | 2007-06-27 |
| CN100576859C true CN100576859C (en) | 2009-12-30 |
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| CN104935757B (en) * | 2014-12-31 | 2018-11-16 | 天地融科技股份有限公司 | A kind of switching device, adapting system and phone system |
| CN104935687B (en) * | 2014-12-31 | 2018-11-16 | 天地融科技股份有限公司 | A kind of terminal and phone system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002091717A1 (en) * | 2001-05-04 | 2002-11-14 | Sonera Oyj | Telecommunication network and method for transmission of caller information |
| US6545987B1 (en) * | 1998-03-30 | 2003-04-08 | Siemens Aktiengesellschaft | Method and service switching point for requesting information during incoming calls to a subscriber in a communications network |
| CN1571576A (en) * | 2004-04-28 | 2005-01-26 | 中兴通讯股份有限公司 | A system and method for implementing mobile management of PSTN switch |
| CN1607773A (en) * | 2003-10-16 | 2005-04-20 | 华为技术有限公司 | Method for realizing mobile management for fixed terminals in communication networks |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6545987B1 (en) * | 1998-03-30 | 2003-04-08 | Siemens Aktiengesellschaft | Method and service switching point for requesting information during incoming calls to a subscriber in a communications network |
| WO2002091717A1 (en) * | 2001-05-04 | 2002-11-14 | Sonera Oyj | Telecommunication network and method for transmission of caller information |
| CN1607773A (en) * | 2003-10-16 | 2005-04-20 | 华为技术有限公司 | Method for realizing mobile management for fixed terminals in communication networks |
| CN1571576A (en) * | 2004-04-28 | 2005-01-26 | 中兴通讯股份有限公司 | A system and method for implementing mobile management of PSTN switch |
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