CN104754662A - Service processing system and method and devices - Google Patents

Service processing system and method and devices Download PDF

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Publication number
CN104754662A
CN104754662A CN201510065124.2A CN201510065124A CN104754662A CN 104754662 A CN104754662 A CN 104754662A CN 201510065124 A CN201510065124 A CN 201510065124A CN 104754662 A CN104754662 A CN 104754662A
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China
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terminal
ecg
called end
belonging
msc
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CN201510065124.2A
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CN104754662B (en
Inventor
冯征
吕红卫
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China Mobile Group Design Institute Co Ltd
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China Mobile Group Design Institute Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/12—Messaging; Mailboxes; Announcements
    • H04W4/14—Short messaging services, e.g. short message services [SMS] or unstructured supplementary service data [USSD]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0083—Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/14—Reselecting a network or an air interface
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/18—Information format or content conversion, e.g. adaptation by the network of the transmitted or received information for the purpose of wireless delivery to users or terminals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W40/00—Communication routing or communication path finding
    • H04W40/02—Communication route or path selection, e.g. power-based or shortest path routing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/16—Gateway arrangements

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The invention discloses a service processing system and method and devices. The service processing system and method and the devices are used for solving the problem that in the prior art, the service delayed time is long. An MSC of a system calling terminal sends SRI to an HLR of a called terminal; when the HLR of the called terminal finds address information of an ECG of the called terminal through inquiry, PRI is sent to the ECG, the ECG distributes a first MSRN to the called terminal, the distributed first MSRN is returned to the MSC of the calling terminal, the MSC of the calling terminal sends an IAM carrying the first MSRN to the ECG, the ECG finds a CSCF module of the called terminal according to the first MSRN and the called terminal is called through the found CSCF module. The calling initiated by the calling terminal registered on a 2G/3G network calls for the called terminal registered on an LTE network is achieved through the interaction between the HLR and the ECG of the called terminal and the interaction between the MSC and the ECG of the calling terminal, the circuitry of the calling routing is reduced, and the service delayed time is shortened.

Description

A kind of system of Business Processing, method and device
The divisional application that the application is application number is 201110267302.1, the applying date, to be September 9, denomination of invention in 2011 be " a kind of system of Business Processing, method and device ".
Technical field
The present invention relates to wireless communication technology field, particularly relate to a kind of system of Business Processing, method and device.
Background technology
In existing Generation Mobile Telecommunication System (2nd Generation, 2G)/3G (Third Generation) Moblie (3rdGeneration, 3G) network architecture, by circuit domain for mobile subscriber provides speech business.Concrete, when calling terminal makes a call to called end, first to mobile switching centre (the MobileSwitching Center that calling terminal is corresponding, MSC) number of called end is sent, MSC corresponding to calling terminal is according to the number of called end, to attaching position register (the Home Location Register of the correspondence of called end, HLR) routing iinformation (Send Routing Infomation is sent, SRI), the positional information of inquiry called end, also MSC corresponding to called end is namely inquired about, the MSC that calling terminal is corresponding sets up the connection of the MSC corresponding with the called end inquired, realize the voice communication of calling terminal and called end.
In Long Term Evolution (Long Term Evolution, the LTE) network architecture, by IP Multimedia System (IP Multimedia Subsystem, IMS) territory for mobile subscriber provides speech business.Concrete, LTE terminal is by LTE network access block core evolution (Evolved Packet Core, EPC) network, and then access IMS domain, by application server (the Aplication Server in IMS domain, AS) record the positional information of LTE terminal, when realizing voice communication, the positional information according to the called LTE terminal of AS record carries out voice communication.Wherein, for LTE terminal, exist and singly treat that LTE terminal treats LTE terminal with two.Singly treat that LTE terminal can not access 2G/3G network and LTE network simultaneously, one wherein can only be accessed, also namely singly treat that LTE terminal can only be registered in the one in 2G/3G network and LTE network at synchronization.Twoly treat that LTE terminal then can access 2G/3G network and LTE network simultaneously, also namely twoly treat that LTE terminal can both be registered in 2G/3G network at synchronization, also register in the lte networks.
But, current mobile communications network is 2G/3G and LTE network and deposits, for the terminal be registered in 2G/3G network, HLR in circuit domain records the MSC that now this terminal is corresponding, and for unregistered terminal in 2G/3G network, HLR in circuit domain only records this terminal last time MSC corresponding when being registered in 2G/3G network, does not record this terminal and now registers positional information in the lte networks.
Therefore, when calling terminal is by circuit domain call called end, if called end treats LTE terminal for two, then still normal voice communication can be carried out.If but called end is for singly to treat LTE terminal, owing to singly treating that LTE terminal can only access the one in 2G/3G network and LTE network at synchronization, if therefore now this singly treats that LTE terminal is registered in 2G/3G network, then normal voice communication can be carried out, if and now this singly treats LTE terminal registration in the lte networks, then can singly treat LTE terminal registration positional information in the lte networks because the HLR in circuit domain does not record this and calling cannot be set up, cause voice communication failure.
In the prior art, in order to solve the problem, propose IMS centralized control service (IMSCentralized Services, ICS) framework, realizing the circuit domain of 2G/3G network, with the intercommunication of the IMS domain of LTE network, as shown in Figure 1A.Figure 1A is ICS Organization Chart of the prior art, comprise the MSC of the calling terminal being arranged in 2G/3G lattice network territory, service control point (the Service ControlPoint of called end, SCP), the HLR of called end, the MSC of called end, MGCF (Media Gateway Control Function between circuit domain and IMS domain, MGCF) module/GMSC (gateway mobile switching center) (Gateway Mobile Switching Center, GMSC), and be arranged in CSCF (the Call Session Control Function of called end of IMS domain, CSCF) module, AS.Figure 1B is the process that the calling terminal adopting ICS framework as shown in Figure 1A to realize being registered in circuit domain in prior art is called out the called end being registered in LTE network, specifically comprises the following steps:
S101: the MSC of calling terminal to the HLR of called end initiates SRI inquiry.
S102: when the HLR of called end find called end contracted ICS business time, the MSC of instruction calling terminal accesses the SCP of called end.
S103: the MSC of calling terminal accesses the SCP of called end.
Calling is redirected to the MGCF module/GMSC of IMS domain by S104: the SCP instruct MS C of called end.
Calling is redirected to the MGCF module/GMSC of IMS domain by S105: the MSC of calling terminal.
S106:MGCF module/GMSC routes the call to the CSCF module of this called end in IMS domain.
S107: the CSCF module of this called end inquires about the positional information of this called end in AS.
S108: the positional information inquired is returned MGCF module/GMSC by the CSCF module of called end.
S109:MGCF module/GMSC searches the HLR of called end again.
S110: the HLR of called end determines that called end has been contracted ICS business, and instruction MGCF module/GMSC accesses the SCP of called end.
S111:MGCF module/GMSC accesses SCP corresponding to called end, suppresses the redirection function of SCP.
S112:MGCF module/GMSC completes connection that is follow-up and called end, realizes the voice communication of calling terminal and called end.
Wherein, if called end be registered in LTE network singly treat LTE terminal, then MGCF module/GMSC is by the CSCF calls called end of called end, if called end is be registered in the two of 2G/3G network and LTE network to treat LTE terminal simultaneously, then MGCF module/GMSC can be as required, by the MSC of called end, or the CSCF calls called end of called end.
Visible, the system of above-mentioned Business Processing, although can solve be registered in LTE network singly treat the voice communication of LTE terminal as called end, call routing roundabout relatively more serious, cause service delay longer.
Summary of the invention
The embodiment of the present invention provides a kind of system of Business Processing, method and device, in order to solve the longer problem of service delay in prior art.
The system of a kind of Business Processing that the embodiment of the present invention provides, comprise: the CSCF CSCF module of the moving exchanging center MSC of calling terminal, the attaching position register HLR of called end, called end, described system also comprises: the enhancement mode Convergence gateway (Enhangced Convergent Gateway, ECG) of the called end be connected respectively with the CSCF module of the MSC of calling terminal, the HLR of called end and called end; Wherein:
The MSC of calling terminal, for the number of the called end according to the calling terminal transmission received, the HLR to called end sends SRI;
The HLR of called end, for after the SRI message that the MSC receiving described calling terminal sends, the positional information of inquiry called end, when the positional information of the described called end inquired comprises the address information of the ECG of described called end, ECG to described called end sends (Provide RoamingIdentity, the PRI) message that Provides Roaming Number;
The ECG of called end, for when receiving the PRI message of HLR transmission of called end, for described called end distributes the first mobile station roaming number (Mobile Station Roaming Number, and the described MSRN distributed is returned to the MSC of calling terminal by the HLR of called end MSRN);
The MSC of described calling terminal, also sends for the ECG to described called end the initial address message (Initial Address Message, IAM) carrying a described MSRN;
The ECG that described called end is corresponding, also for receive carry a described MSRN IAM after, search the CSCF module of described called end according to a described MSRN, and by called end described in the CSCF calls of described called end that finds.
The method of a kind of Business Processing that the embodiment of the present invention provides, comprising:
The PRI message that Provides Roaming Number sent after the SRI that the attaching position register HLR that the enhancement mode Convergence gateway ECG of called end receives described called end sends at the moving exchanging center MSC receiving calling terminal; And
For described called end distributes the first mobile station roaming number MSRN, the described MSRN distributed is returned the MSC of described calling terminal by the HLR of described called end; And
The IAM carrying a described MSRN that the MSC receiving described calling terminal sends, searches the CSCF CSCF module of described called end according to a described MSRN, by called end described in the CSCF calls of described called end that finds.
A kind of enhancement mode Convergence gateway ECG that the embodiment of the present invention provides, comprising:
Receiver module, the PRI message that Provides Roaming Number that the attaching position register HLR for receiving called end sends, and the IAM that the moving exchanging center MSC receiving calling terminal sends;
Distribution module, for distributing the first mobile station roaming number MSRN for described called end;
Sending module, for returning the described MSRN distributed to the MSC of described calling terminal by the HLR of called end;
Search calling module, for the MSRN carried in the IAM that sends according to the MSC of described calling terminal, search the CSCF CSCF module of described called end, and by called end described in the CSCF calls of described called end that finds.
A kind of attaching position register HLR that the embodiment of the present invention provides, comprising:
Receiver module, the SRI that the moving exchanging center MSC for receiving calling terminal sends, and the first mobile station roaming number MSRN for described called end distribution that the enhancement mode Convergence gateway ECG receiving called end returns;
Enquiry module, for inquiring about the positional information of called end;
Sending module, for when the positional information of the described called end inquired comprises the address information of the ECG of described called end, ECG to described called end sends the PRI message that Provides Roaming Number, and the described MSRN returned by the ECG of the described called end received sends to the MSC of calling terminal.
The system of a kind of Business Processing that the embodiment of the present invention provides, comprise: Evolved UTRAN (Evolved Universal Terrestrial Radio Access Network, E-UTRAN), Mobility Management Entity (Mobile Management Entity, MME) moving exchanging center MSC, belonging to terminal, described system also comprises: the enhancement mode Convergence gateway ECG belonging to described terminal; Wherein:
E-UTRAN, for the wireless measurement report that receiving terminal is carrying out sending in the process of business, when reporting according to the described wireless measurement received, when determining that described terminal needs to be switched to Generation Mobile Telecommunication System 2G network or 3G (Third Generation) Moblie 3G network by Long Term Evolution LTE network, send handover request to MME;
MME, for the described handover request received being transmitted to the ECG belonging to described terminal, and provides the parameter information needed for switching to the ECG belonging to described terminal;
ECG belonging to described terminal, for the described handover request that basis receives, and the parameter information needed for described switching, search the MSC belonging to described terminal, and carry out the mutual of hand off signaling with the MSC belonging to the described terminal found, set up the relay connection with the MSC belonging to described terminal, return switching request response to described MME;
Described MME, after the described switching request response also returned for the ECG received belonging to described terminal, switching command is assigned to described terminal by described E-UTRAN, indicate the MSC belonging to described terminal switch to described terminal, and set up by ECG belonging to described terminal proceed business with the relay connection of the MSC belonging to described terminal.
The method of a kind of Business Processing that the embodiment of the present invention provides, comprising:
Enhancement mode Convergence gateway ECG belonging to terminal receives the handover request described terminal being switched to Generation Mobile Telecommunication System 2G network or 3G (Third Generation) Moblie 3G network by Long Term Evolution LTE network that MME sends, and the parameter information needed for switching; And
According to the parameter information needed for the described handover request received and described switching, search the moving exchanging center MSC belonging to described terminal; And
The MSC corresponding with the described terminal found carries out the mutual of hand off signaling, sets up the relay connection with the MSC belonging to described terminal;
ECG belonging to described terminal indicates the MSC belonging to described terminal switch to described terminal by described MME, and set up by ECG belonging to described terminal proceed business with the relay connection of the MSC belonging to described terminal.
A kind of enhancement mode Convergence gateway ECG that the embodiment of the present invention provides, comprising:
Receiver module, for receiving handover request terminal being switched to Generation Mobile Telecommunication System 2G network or 3G (Third Generation) Moblie 3G network by Long Term Evolution LTE network that MME sends, and the parameter information needed for switching;
Search module, for the parameter information needed for the described handover request received and described switching, search the moving exchanging center MSC belonging to described terminal;
Connection establishment module, for carrying out the mutual of hand off signaling with the MSC belonging to the described terminal found, sets up the relay connection with the MSC belonging to described terminal;
Indicating module, for being indicated the MSC belonging to described terminal switch to described terminal by described MME, and proceeds business by what set up with the relay connection of the MSC belonging to described terminal.
The system of a kind of Business Processing that the embodiment of the present invention provides, comprising: CSCF CSCF module, sms center SMSC, and described system also comprises: enhancement mode Convergence gateway ECG; Wherein:
CSCF module, for receiving conversation initialization protocol message (the Session Initiation Protocol Message carrying content of short message that described first terminal sends, SIP Message) and send the destination address information of described SIPMessage, the described SIP Message received and described destination address information are transmitted to described ECG;
Described ECG, for converting the content of short message in the described SIP Message received to short message, and sends to SMSC by the described short message of conversion and described destination address information;
Described SMSC, for according to described destination address information, by the second terminal that the described short message received sends to described destination address corresponding.
The method of a kind of Business Processing that the embodiment of the present invention provides, comprising:
The SIP Message carrying content of short message that the first terminal of enhancement mode Convergence gateway ECG receipt of call conversation control function CSCF module forwards sends, to send and the destination address information of described SIP Message; And
Convert the content of short message in the described SIP Message received to short message, the described short message of conversion and described destination address information are sent to sms center SMSC; And
Indicate described SMSC according to described destination address information, the second terminal sending to described destination address corresponding described short message.
A kind of enhancement mode Convergence gateway ECG that the embodiment of the present invention provides, comprising:
Receiver module, the SIP Message carrying content of short message that the first terminal for receipt of call conversation control function CSCF module forwards sends and the destination address information sending described SIP Message;
Conversion sending module, for converting the content of short message in the described SIP Message received to short message, sends to sms center SMSC by the described short message of conversion and described destination address information;
Indicating module, is used to indicate described SMSC according to described destination address information, the second terminal sending to described destination address corresponding described short message.
The system of a kind of Business Processing that the embodiment of the present invention provides, comprise: the attaching position register HLR belonging to sms center SMSC, terminal, CSCF CSCF module belonging to described terminal, described system also comprises: the enhancement mode Convergence gateway ECG belonging to described terminal; Wherein:
SMSC, for the destination address information corresponding according to the short message preserved, determines the terminal that described destination address is corresponding, and sends SRI to the HLR belonging to the described terminal determined;
HLR belonging to described terminal, for receive described SMSC send SRI message after, inquire about the positional information of described terminal, when the positional information inquiring described terminal comprises the address information of the ECG belonging to described terminal, the address information of the ECG belonging to the described terminal inquired is returned described SMSC;
Described SMSC, the address information of the ECG belonging to the described terminal also returned for the HLR belonging to described terminal, sends to the ECG belonging to described terminal by described short message and the identification information of described terminal determined;
ECG belonging to described terminal, for being carry the SIP Message of content of short message by the described short message conversion received, and according to the identification information of the described terminal received, search the CSCF module belonging to described terminal, the described SIP Message of conversion is sent to the CSCF module belonging to the described terminal found;
CSCF module belonging to described terminal, for sending to described terminal by the described SIP Message received.
The method of a kind of Business Processing that the embodiment of the present invention provides, comprising:
Attaching position register HLR belonging to terminal receives the SRI that sms center SMSC sends, wherein, the destination address information that described SMSC is corresponding according to the short message preserved, determines that the terminal that described destination address is corresponding is after described terminal, sends SRI to the HLR belonging to described terminal; And
Inquire about the positional information of described terminal, when the positional information inquiring described terminal comprises the address information of the enhancement mode Convergence gateway ECG belonging to described terminal, the address information of the ECG belonging to the described terminal inquired is returned described SMSC; And
Indicate described SMSC that the identification information of described short message and described terminal is sent to the ECG belonging to described terminal;
The described short message conversion received is carry the SIPMessage of content of short message by the ECG belonging to described terminal, and according to the identification information of the described terminal received, search the CSCF CSCF module belonging to described end, the described SIP Message of conversion is sent to described terminal by the CSCF module belonging to the described terminal that finds.
The embodiment of the present invention provides a kind of system of Business Processing, method and device, this system calling terminal MSC sends SRI to called end HLR, when the positional information of the called end that called end HLR inquires comprises the address information of ECG, PRI message is sent to this ECG, this ECG is this called end distribution the one MSRN, the MSRN distributed is returned calling terminal MSC, calling terminal MSC sends the IAM carrying a MSRN to this ECG, this ECG searches called end CSCF module according to a MSRN, and the CSCF calls called end by finding.Owing to passing through the mutual of called end HLR and ECG in the embodiment of the present invention, and calling terminal MSC and ECG's is mutual, the calling that the calling terminal realizing being registered in 2G/3G network is initiated the called end being registered in LTE network, greatly reduces the roundabout of call routing, reduces service delay.
Accompanying drawing explanation
Figure 1A is ICS Organization Chart of the prior art;
Figure 1B is the process that the calling terminal adopting ICS framework as shown in Figure 1A to realize being registered in circuit domain in prior art is called out the called end being registered in LTE network;
The system configuration schematic diagram of the Business Processing that Fig. 2 provides for the embodiment of the present invention;
The process of the Business Processing that Fig. 3 provides for the embodiment of the present invention;
Fig. 4 for the embodiment of the present invention provide when called end is registered in the lte networks, the HLR that called end is corresponding upgrades the process of the positional information of this called end;
Fig. 5 for the embodiment of the present invention provide when called end is registered in 2G/3G network, the HLR that called end is corresponding upgrades the process of the positional information of this called end;
The structural representation of a kind of enhancement mode Convergence gateway ECG that Fig. 6 provides for the embodiment of the present invention;
The structural representation of a kind of attaching position register HLR that Fig. 7 provides for the embodiment of the present invention;
The system configuration schematic diagram of the another kind of Business Processing that Fig. 8 provides for the embodiment of the present invention;
The transaction processing system specific implementation structural representation of the composition graphs 1 that Fig. 9 provides for the embodiment of the present invention and Fig. 8;
The process of the another kind of Business Processing that Figure 10 provides for the embodiment of the present invention;
A kind of ECG structural representation for terminal to be switched to 2G/3G network by LTE network that Figure 11 provides for the embodiment of the present invention;
The system configuration schematic diagram of the third Business Processing that Figure 12 provides for the embodiment of the present invention;
The process of the third Business Processing that Figure 13 provides for the embodiment of the present invention;
The ECG structural representation of a kind of business sent SMS message for the terminal realizing being registered in LTE network that Figure 14 provides for the embodiment of the present invention;
The system configuration schematic diagram of the 4th kind of Business Processing that Figure 15 provides for the embodiment of the present invention;
The process of the 4th kind of Business Processing that Figure 16 provides for the embodiment of the present invention.
Embodiment
Adopt ICS framework of the prior art realize being registered in LTE network singly when the voice communication of LTE terminal as called end, it is roundabout that call routing needs to carry out between multiple equipment in ICS framework repeatedly, service delay can be caused longer, but also need called end to contract ICS business, simultaneously, MSC in ICS framework also needs to support ICS business, and this also needs to transform a large amount of MSC, wastes resource.Therefore the method introducing ECG in existing network is proposed in the embodiment of the present invention, between the circuit domain that this ECG is connected across 2G/3G network and the IMS domain of LTE network, and mutual by HLR and ECG, and the mutual realization of MSC and ECG is registered in the calling terminal of 2G/3G network to the calling being registered in LTE network initiation, carry out repeatedly in a network without the need to call routing roundabout, reduce service delay, also to contract ICS business without the need to called end, more do not need to transform the MSC in existing network.
Below in conjunction with Figure of description, the embodiment of the present invention is described in detail.
The system configuration schematic diagram of the Business Processing that Fig. 2 provides for the embodiment of the present invention, as shown in Figure 2, except comprising the MSC of the calling terminal of the circuit domain being arranged in 2G/3G network, the HLR of called end in this system, and be arranged in LTE network IMS domain called end CSCF module beyond, also comprise the ECG of the called end be connected respectively with the CSCF module of the MSC of calling terminal, the HLR of called end and called end, wherein:
The MSC of calling terminal, for the number of called end sent according to calling terminal, the HLR to called end sends SRI, and also namely according to the number of called end, the HLR to this called end initiates SRI inquiry;
After the HLR of called end, the SRI that the MSC for receiving calling terminal sends, inquire about the positional information of this called end, when the positional information of this called end inquired comprises the address information of the ECG of this called end, the ECG to this called end sends PRI message;
The ECG of called end, for when receiving the PRI message of HLR transmission of called end, being that this called end distributes a MSRN, and the MSRN distributed is returned to the MSC of calling terminal by the HLR of called end;
The MSC of calling terminal, also sends for the ECG to called end the IAM carrying a MSRN;
The ECG of called end, also for receive carry a MSRN IAM after, search the CSCF module of this called end according to a MSRN, and this called end of CSCF calls of this called end by finding.
Based on the system of above-mentioned Business Processing, the embodiment of the present invention provides a kind of method of Business Processing, as shown in Figure 3.The process of the Business Processing that Fig. 3 provides for the embodiment of the present invention, specifically comprises the following steps:
S301: calling terminal is to the number of the MSC transmission called end of calling terminal.
S302: the MSC of calling terminal according to the number of called end, and the HLR to called end sends SRI.
Wherein, after the MSC of calling terminal receives the number of called end, according to the HLR of this called end of number searching of this called end, and send SRI to the HLR of this called end found.
S303: the HLR of called end inquires about the positional information of this called end, when the positional information of this called end inquired comprises the address information of the ECG of this called end, the ECG to this called end sends PRI message.
In embodiments of the present invention, when this called end is registered in LTE network, in the positional information of this called end of the HLR preservation of this called end, then comprise the address information of the ECG of this called end.Consider that the positional information of this called end that the HLR that then this called end is corresponding preserves can also comprise the address information of the MSC of this called end if this called end treats LTE terminal for two.
Wherein, the HLR of called end identifies whether the positional information of this called end comprises the method for the address information of ECG, can be identified by the mode adding special number section in the address information of ECG, if this HLR identifies that the positional information of this called end comprises the positional information containing this special number section, then determine that this positional information comprising special number section is the address information of the ECG of this called end.
S304: the ECG of called end receive this PRI message after, be that this called end distributes a MSRN, the MSRN distributed returned the HLR of this called end.
Wherein, ECG corresponding to called end for this called end distribute a MSRN time, by the special number section of ECG corresponding for this called end, cascade can be carried out with the number distributed for this called end temporarily, obtain a MSRN, for searching the CSCF module of this called end in the ims domain.
One MSRN is returned the MSC of calling terminal by S305: the HLR of called end.
S306: the MSC of calling terminal to the ECG of called end sends the IAM carrying a MSRN.
Also namely, the MSC of calling terminal is according to the ECG initiation calling to this called end of a MSRN to this called end.
S307: the ECG of called end, according to the MSRN carried in this IAM, searches the CSCF module of called end.
S308: the ECG of called end this called end of CSCF calls of called end by finding.
In above process, calling terminal MSC sends SRI to called end HLR, when the positional information of the called end that called end HLR inquires comprises the address information of ECG, PRI message is sent to this ECG, this ECG distributes a MSRN for this called end, and the MSRN distributed is returned calling terminal MSC, and calling terminal MSC sends the IAM carrying a MSRN to this ECG, this ECG searches called end CSCF module according to a MSRN, and the CSCF calls called end by finding.Owing to passing through the mutual of called end HLR and ECG in the embodiment of the present invention, and calling terminal MSC and ECG's is mutual, the calling that the calling terminal realizing being registered in 2G/3G network is initiated the called end being registered in LTE network, therefore compared to the implementation method adopting ICS framework in prior art, greatly reduce the roundabout of call routing, reduce service delay.Further, the method for processing business that the embodiment of the present invention provides to be contracted ICS business without the need to called end, does not more need a large amount of MSC existed in existing network all to transform as to support ICS business, saves resource.
In embodiments of the present invention, before above-mentioned steps S303, when this called end is registered in the lte networks, the ECG to this called end is corresponding is then needed to send log-on message, the ECG of this called end notifies that the updating location information of this called end is the address information of the ECG of this called end by the HLR of this called end, as shown in Figure 4.Fig. 4 for the embodiment of the present invention provide when called end is registered in the lte networks, the HLR of called end upgrades the process of the positional information of this called end, specifically comprises the following steps:
S401: the ECG of called end receives the log-on message of called end transmission, and sends location update request message to the HLR of this called end.
Wherein, log-on message is first sent to the CSCF module of called end by called end, the CSCF module of this called end again with home subscriber server (the Home Subscriber Server of IMS domain, HSS) authentication is carried out to this called end, after authentication is passed through, this log-on message is sent to the ECG of this called end by the CSCF module of this called end.
S402: the HLR of called end receive this location update request message after, the address information of the ECG positional information of this called end preserved comprised is updated to the address information of the ECG of this called end.
Also be, when the HLR of this called end identifies that this location update request message is the location update request message of ECG transmission of this called end, by the address information of the ECG that the positional information of this called end comprises, be updated to the address information of the ECG sending this location update request message.
Further, in order to without loss of generality, namely for singly treating that LTE terminal treats LTE terminal with two, when no matter being registered in LTE network to make it or being registered in 2G/3G network, voice communication service can both be carried out as called, the positional information of the called end preserved in the HLR in the embodiment of the present invention comprises two kinds, a kind of for when called end is registered in the lte networks, the address information of the ECG of this called end, a kind of for when called end is registered in 2G/3G network, the address information of the MSC of this called end.Process shown in Fig. 3 has described when called end is registered in the lte networks, the HLR of called end upgrades the process of the positional information of this called end, the following describes when called end is registered in 2G/3G network, the HLR of called end upgrades the process of the positional information of this called end, as shown in Figure 5.Fig. 5 for the embodiment of the present invention provide when called end is registered in 2G/3G network, the HLR of called end upgrades the process of the positional information of this called end, specifically comprises the following steps:
S501: the MSC of called end receives the log-on message of this called end transmission, and sends location update request message to the HLR of this called end.
Wherein, the MSC of called end first carry out authentication to this called end, and after authentication is passed through, the HLR to this called end sends location update request message after receiving the log-on message that this called end sends.
S502: the HLR of called end receive this location update request message after, the address information of the MSC positional information of this called end preserved comprised is updated to the address information of the MSC of this called end.
Also be, when the HLR of this called end identifies that this location update request message is the location update request message of MSC transmission of this called end, by the address information of the MSC that the positional information of this called end comprises, be updated to the address information of the MSC sending this location update request message.
In embodiments of the present invention, when HLR corresponding to called end adopts process as shown in Figure 4 and Figure 5 to upgrade positional information corresponding to this called end, the MSC of called end in the system of this Business Processing, is also comprised.As shown in Figure 2, the MSC of this called end is also arranged in the circuit domain of 2G/3G network, and the ECG corresponding with called end is connected.
After the HLR that called end is corresponding receives the SRI of MSC transmission of calling terminal, when the positional information of this called end inquired also comprises the address information of the MSC of called end, then also to send PRI message to the MSC of this called end.After the MSC of this called end receives this PRI message, be that this called end distributes the 2nd MSRN, and the 2nd MSRN distributed is returned the MSC of calling terminal by the HLR of this called end.Now, a MSRN and the 2nd MSRN is carried in IAM the ECG sending to called end by calling terminal.ECG mono-aspect of this called end is according to a MSRN, search the CSCF module of this called end, by the CSCF calls called end found, on the other hand according to the 2nd MSRN, search the MSC of this called end, and according to the log-on message of this called end, call out this called end by the MSC of the called end found.
Also be, when the positional information of this called end that HLR finds comprises the address information of the address information of the ECG of this called end and the MSC of this called end, the MSC of calling terminal then calls out this called end by the ECG of this called end in the IMS domain of LTE network, and also calls out this called end in the circuit domain of 2G/3G network.
Concrete, when this called end is for during singly until LTE terminal, if this called end is registered in LTE network, then the MSC of this called end can detect that this called end has left 2G/3G network, when the ECG that now although this called end is corresponding calls out this called end by the MSC of this called end, the MSC of this called end can block this calling, but the ECG of this called end can also by this called end of CSCF calls of this called end.Accordingly, if this called end is registered in 2G/3G network, then the ECG module of this called end also can detect that this called end leaves LTE network, and now the ECG of this called end calls out this called end by the MSC of called end.
Therefore, no matter as called end, this singly treats that LTE terminal is registered in LTE network, and be still registered in 2G/3G network, the MSC of calling terminal, by the ECG of this called end, can call out this called end.
In addition, when this called end for two until LTE terminal time, if the ECG of called end determines that the ring response mode comprised in the log-on message of this called end is same mode of shaking, the CSCF module of called end is then searched according to a MSRN, by this called end of CSCF calls of this called end found, and, according to the MSC that the 2nd MSRN searches called end, call out this called end by the MSC of this called end found.
If the ECG of called end determines that the ring response mode comprised in the log-on message of this called end is CSC, and first to be shaken mode by IMS domain, or, the call establishment mode comprised in the log-on message of this called end if determine is preferential IMS domain call establishment mode, the CSCF module of this called end is then searched according to a MSRN, by this called end of CSCF calls of this called end found, if failed by this called end of CSCF calls of this called end found, the MSC of this called end is then searched according to the 2nd MSRN, this called end is called out by the MSC of this called end found.
If the ECG that called end is corresponding determines that the ring response mode comprised in the log-on message of this called end is CSC, and first to be shaken mode by circuit domain, or, the call establishment mode comprised in the log-on message of this called end if determine is priority circuit territory call establishment mode, then search MSC corresponding to this called end according to the 2nd MSRN, this called end is called out by the MSC of this called end found, if call out this called end failure by the MSC of this called end found, the CSCF module of this called end is then searched according to a MSRN, by this called end of CSCF calls of this called end found.
Certainly, when the HLR of called end upgrades the positional information of this called end, also can obtain the ability information of this called end, judge that whether this called end is twoly treat LTE terminal according to the ability information obtained.
When determine this called end for two until LTE terminal time, then the positional information of this called end of the HLR preservation of this called end is respectively: when called end is registered in the lte networks, the address information of the ECG that this called end is corresponding, and when called end is registered in 2G/3G network, the address information of the MSC that this called end is corresponding.Also be, if called end registration in the lte networks, the process that then HLR of called end upgrades the positional information of this called end is the process shown in Fig. 4, if called end is registered in 2G/3G network, then the process that the HLR of called end upgrades the positional information of this called end is the process shown in Fig. 5.
When determining that this called end is for during singly until LTE terminal, then the positional information of this called end of the HLR preservation of this called end is only, the address information of the ECG corresponding when called end is registered in the lte networks, and the one in the address information of the MSC corresponding when called end is registered in 2G/3G network.Wherein, if called end registration in the lte networks, the positional information of this called end is directly updated to the address information of the ECG of this called end by the HLR of called end, and the MSC notifying to save the log-on message of this called end deletes the log-on message of this called end.If called end is registered in 2G/3G network, the positional information of this called end is directly updated to the address information of the MSC of this called end by the HLR of called end, and the ECG notifying to save the log-on message of this called end deletes the log-on message of this called end.
Based on the system and method for above-mentioned Business Processing, the embodiment of the present invention also provides a kind of enhancement mode Convergence gateway ECG, as shown in Figure 6.The structural representation of a kind of enhancement mode Convergence gateway ECG that Fig. 6 provides for the embodiment of the present invention, specifically comprises:
Receiver module 601, the PRI message that Provides Roaming Number that the attaching position register HLR for receiving called end sends, and the IAM that the moving exchanging center MSC receiving calling terminal sends;
Distribution module 602, for distributing the first mobile station roaming number MSRN for described called end;
Sending module 603, for returning the described MSRN distributed to the MSC of described calling terminal by the HLR of called end;
Search calling module 604, for the MSRN carried in the IAM that sends according to the MSC of described calling terminal, search the CSCF CSCF module of described called end, and by called end described in the CSCF calls of described called end that finds.
Described receiver module 601, also for receiving the log-on message that described called end sends;
Described sending module 603, also send location update request message for the HLR to described called end, notify that the address information of the ECG that the positional information of the described called end preserved comprises by the HLR of described called end is updated to the address information of the ECG of described called end.
Based on the system and method for above-mentioned Business Processing, the embodiment of the present invention also provides a kind of attaching position register HLR, as shown in Figure 7.The structural representation of a kind of attaching position register HLR that Fig. 7 provides for the embodiment of the present invention, specifically comprises:
Receiver module 701, the SRI that the moving exchanging center MSC for receiving calling terminal sends, and the first mobile station roaming number MSRN for described called end distribution that the enhancement mode Convergence gateway ECG receiving called end returns;
Enquiry module 702, for inquiring about the positional information of called end;
Sending module 703, for when the positional information of the described called end inquired comprises the address information of the ECG of described called end, ECG to described called end sends the PRI message that Provides Roaming Number, and the described MSRN returned by the ECG of the described called end received sends to the MSC of calling terminal.
Described receiver module 701, also for location update request message that the ECG that receives described called end sends after receiving the log-on message that described called end sends;
Described enquiry module 702, is also updated to the address information of the ECG of described called end for the address information of the ECG positional information of described called end of preserving comprised.
Be 2G/3G and LTE network due to current mobile communications network and deposit, and LTE network also and unrealized all standing, therefore when terminal is carried out in the process of business in LTE network, when needs switch to 2G/3G network by LTE network, adopt single wireless audio call (Single Radio Voice CallContinuity continuously, SRVCC) technology carries out network switching, to ensure the continuity of business.But when terminal LTE network being switched to 2G/3G network owing to adopting SRVCC technology, its flow process switched is comparatively complicated, also can causes the time prolongation switched, even cause service disconnection.Therefore based on the ECG of above-mentioned proposition, the embodiment of the present invention provides the system of another kind of Business Processing, for terminal is switched to 2G/3G network by LTE network, as shown in Figure 8.The system configuration schematic diagram of the another kind of Business Processing that Fig. 8 provides for the embodiment of the present invention, specifically comprises:
E-UTRAN, for the wireless measurement report that receiving terminal is carrying out sending in the process of business, when according to the wireless measurement report received, when determining that this terminal needs to be switched to 2G/3G network by LTE network, sends handover request to MME;
MME, for this handover request received being transmitted to the ECG belonging to this terminal, and provides the parameter information needed for switching to the ECG belonging to this terminal;
ECG belonging to this terminal, for this handover request that basis receives, and the parameter information needed for this switching, search the MSC belonging to this terminal, and carry out the mutual of hand off signaling with the MSC belonging to this terminal found, set up the relay connection with the MSC belonging to this terminal, return switching request response to MME;
MME, after this switching request response that ECG also for receiving belonging to this terminal returns, switching command is assigned to this terminal by this E-UTRAN, indicate the MSC belonging to this terminal switch to this terminal, and set up by ECG belonging to this terminal proceed business with the relay connection of the MSC belonging to this terminal.
Also by the system of the another kind of Business Processing shown in above-mentioned Fig. 8, can combine with transaction processing system as shown in Figure 1, as shown in Figure 9.The transaction processing system specific implementation structural representation of the composition graphs 1 that Fig. 9 provides for the embodiment of the present invention and Fig. 8, comprise the MSC of the calling terminal in 2G/3G lattice network territory, the HLR of called end, the MSC of called end, the CSCF module of the called end in LTE network IMS domain and HSS, wherein, HSS is mainly used in carrying out authentication to terminal to be registered, be connected across the ECG of circuit domain and IMS domain, and for E-UTRAN and MME of circuit switched.
Based on the system of the another kind of Business Processing shown in above-mentioned Fig. 8, the embodiment of the present invention provides the method for another kind of Business Processing, for terminal is switched to 2G/3G network by LTE network, as shown in Figure 10.The process of the another kind of Business Processing that Figure 10 provides for the embodiment of the present invention, specifically comprises the following steps:
S1001: terminal, in the process of carrying out business, sends wireless measurement report to E-UTRAN.
Wherein, terminal according to the time interval of setting, can measure the quality of LTE network, and measurement result is carried in wireless measurement report and sends to E-UTRAN.
S1002:E-UTRAN reports according to this wireless measurement, when determining that this terminal needs to be switched to 2G/3G network by LTE network, sends handover request to MME.
Handover request is transmitted to the ECG belonging to this terminal by S1003:MME, and sends the parameter information needed for switching to the ECG belonging to this terminal.
Wherein, the parameter information needed for this switching is SRVCC related specifications is the parameter information defined, and also comprises the parameter information of this terminal.
S1004: the ECG belonging to this terminal according to the handover request received and switch needed for parameter information, search the MSC belonging to this terminal.
S1005: the ECG belonging to this terminal carries out the mutual of hand off signaling with the MSC belonging to this terminal found, and sets up the relay connection with the MSC belonging to this terminal.
Wherein, ECG belonging to this terminal and the MSC belonging to this terminal carries out the mutual of hand off signaling, comprise mutual preparation handover request message (Prep HO REQ) signaling, and prepare the mutual of switching response message (PrepHO RESP) signaling.
S1006: the ECG belonging to this terminal returns switching request response to MME.
After S1007:MME receives this switching request response, assign switching command by E-UTRAN to this terminal.
S1008: after terminal receives this switching command, is switched to the MSC belonging to this terminal, and set up by ECG belonging to this terminal proceed business with the relay connection of the MSC belonging to this terminal.
Wherein, the connection of self and CSCF module is switched to the connection with MSC by this terminal.
In above process, ECG belonging to terminal searches the MSC belonging to this terminal, and set up relay connection with the MSC belonging to this terminal, and proceed business by the MSC that MME indicating terminal is switched to belonging to this terminal, compared to the switching flow of SRVCC complexity in prior art, substantially reduce terminal is switched to 2G/3G network flow process by LTE network, reduce the time delay of switching.
A kind of ECG structural representation for terminal to be switched to 2G/3G network by LTE network that Figure 11 provides for the embodiment of the present invention, specifically comprises:
Receiver module 1101, for receiving handover request terminal being switched to Generation Mobile Telecommunication System 2G network or 3G (Third Generation) Moblie 3G network by Long Term Evolution LTE network that MME sends, and the parameter information needed for switching;
Search module 1102, for the parameter information needed for the described handover request received and described switching, search the moving exchanging center MSC belonging to described terminal;
Connection establishment module 1103, for carrying out the mutual of hand off signaling with the MSC belonging to the described terminal found, sets up the relay connection with the MSC belonging to described terminal;
Indicating module 1104, for being indicated the MSC belonging to described terminal switch to described terminal by described MME, and proceeds business by what set up with the relay connection of the MSC belonging to described terminal.
In addition, based on the ECG of above-mentioned proposition, the embodiment of the present invention also provides the system of the third Business Processing, the business that the terminal for realizing being registered in LTE network sends SMS message, as shown in figure 12.The system configuration schematic diagram of the third Business Processing that Figure 12 provides for the embodiment of the present invention, specifically comprises:
CSCF module, for receiving the conversation initialization protocol message SIP Message carrying content of short message that described first terminal sends and the destination address information sending described SIP Message, this SIP Message received and this destination address information are transmitted to ECG;
ECG, for converting the content of short message in this SIP Message received to short message, and sends to sms center (Short Message ServiceCenter, SMSC) by the short message of conversion and this destination address information;
SMSC, for according to this destination address information, the second terminal sending to this destination address corresponding the short message received.
Based on the system of the third Business Processing shown in above-mentioned Figure 12, the embodiment of the present invention provides the method for the third Business Processing, the business that the terminal for realizing being registered in LTE network sends SMS message, as shown in figure 13.The process of the third Business Processing that Figure 13 provides for the embodiment of the present invention, specifically comprises the following steps:
S1301: first terminal sends the SIP Message carrying content of short message to CSCF module, and sends the destination address information of this SIP Message.
This SIP Message received and this destination address information are transmitted to ECG by S1302:CSCF module.
S1303:ECG converts the content of short message in this SIP Message received to short message, and the short message of conversion and this destination address information are sent to SMSC.
Because SMSC can only identify short message, therefore need to convert the content of short message in SIP Message to short message and send to SMSC.
S1304:SMSC according to this destination address information, by the second terminal that this short message received sends to this destination address corresponding.
In above process, convert the content of short message in SIP Message to short message by ECG and send to SMSC, the terminal that short message sends to destination address corresponding by SMSC again, achieves the business that the terminal that is registered in LTE network sends SMS message to other-end.
The ECG structural representation of a kind of business sent SMS message for the terminal realizing being registered in LTE network that Figure 14 provides for the embodiment of the present invention, specifically comprises:
Receiver module 1401, for receipt of call conversation control function CSCF module forwards first terminal send described in carry the SIP Message of content of short message and send the destination address information of described SIP Message;
Conversion sending module 1402, for converting the content of short message in the described SIP Message received to short message, sends to sms center SMSC by the described short message of conversion and described destination address information;
Indicating module 1403, is used to indicate described SMSC according to described destination address information, the second terminal sending to described destination address corresponding described short message.
In addition, based on the ECG of above-mentioned proposition, the embodiment of the present invention also provides the system of the 4th kind of Business Processing, and the terminal for realizing being registered in LTE network receives the business of short message, as shown in figure 15.The system configuration schematic diagram of the 4th kind of Business Processing that Figure 15 provides for the embodiment of the present invention, specifically comprises:
SMSC, for the destination address information corresponding according to the short message preserved, determines the terminal that this destination address is corresponding, and sends SRI to the HLR belonging to the terminal determined;
HLR belonging to this terminal, for receive SMSC send SRI after, inquire about the positional information of this terminal, when the positional information inquiring this terminal comprises the address information of the ECG belonging to this terminal, the address information of the ECG belonging to this terminal inquired is returned SMSC;
SMSC, the address information of the ECG belonging to this terminal also returned for the HLR belonging to this terminal, sends to the ECG belonging to this terminal by this short message and the identification information of this terminal determined;
ECG belonging to this terminal, for being carry the SIPMessage of content of short message by the short message conversion received, and according to the identification information of this terminal received, search the CSCF module belonging to this terminal, this SIP Message of conversion is sent to the CSCF module belonging to this terminal found;
CSCF module belonging to this terminal, for sending to this terminal by this SIP Message received.
Based on the system of kind of the Business Processing of the 4th shown in above-mentioned Figure 15, the embodiment of the present invention provides the method for the 4th kind of Business Processing, and the terminal for realizing being registered in LTE network receives the business of short message, as shown in figure 16.The process of the 4th kind of Business Processing that Figure 16 provides for the embodiment of the present invention, specifically comprises the following steps:
The destination address information that S1601:SMSC is corresponding according to the short message preserved, determines the terminal that this destination address is corresponding, sends SRI to the HLR belonging to this terminal determined.
S1602: the HLR belonging to this terminal receive SMSC send SRI after, inquire about the positional information of this terminal.
S1603: when the positional information of this terminal that the HLR belonging to this terminal inquires comprises the address information of the ECG belonging to this terminal, returns the address information of the ECG belonging to this terminal inquired to SMSC.
Wherein, if the positional information of this terminal inquired comprises the address information of the ECG belonging to this terminal, then illustrate that this terminal is the terminal being registered in LTE network.
The address information of the ECG of S1604:SMSC belonging to this terminal, sends to the ECG belonging to this terminal by the identification information of this short message and this terminal.
Wherein, the identification information that this terminal is corresponding can be the number of this terminal.
The short message conversion received is the SIP Message carrying content of short message by S1605: the ECG belonging to this terminal.
S1606: the ECG belonging to this terminal according to the identification information of this terminal received, and searches the CSCF module belonging to this terminal, this SIP Message of conversion is sent to the CSCF module belonging to this terminal found.
Because the CSCF module in LTE network can only identify SIP Message, the SIP Message becoming to carry content of short message by short message conversion is therefore needed to send to CSCF module.
S1607: the SIP Message received is sent to this terminal by the CSCF module belonging to this terminal.
In above process, the short message of SMSC transmission is received by ECG, and the SIP Message becoming to carry content of short message by short message conversion sends to CSCF, SIP Message is sent to corresponding terminal by CSCF again, achieves the business that the terminal being registered in LTE network receives the short message that other-end sends.
The embodiment of the present invention provides a kind of system of Business Processing, method and device, this system calling terminal MSC sends SRI to called end HLR, when the positional information of the called end that called end HLR inquires comprises the address information of ECG, PRI message is sent to this ECG, this ECG is this called end distribution the one MSRN, the MSRN distributed is returned calling terminal MSC, calling terminal MSC sends the IAM carrying a MSRN to this ECG, this ECG searches called end CSCF module according to a MSRN, and the CSCF calls called end by finding.Owing to passing through the mutual of called end HLR and ECG in the embodiment of the present invention, and calling terminal MSC and ECG's is mutual, the calling that the calling terminal realizing being registered in 2G/3G network is initiated the called end being registered in LTE network, greatly reduces the roundabout of call routing, reduces service delay.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.

Claims (6)

1. the system of a Business Processing, comprise: Evolved UTRAN E-UTRAN, Mobility Management Entity MME, moving exchanging center MSC belonging to terminal, it is characterized in that, described system also comprises: the enhancement mode Convergence gateway ECG belonging to described terminal; Wherein:
E-UTRAN, for the wireless measurement report that receiving terminal is carrying out sending in the process of business, when reporting according to the described wireless measurement received, when determining that described terminal needs to be switched to Generation Mobile Telecommunication System 2G network or 3G (Third Generation) Moblie 3G network by Long Term Evolution LTE network, send handover request to MME;
MME, for the described handover request received being transmitted to the ECG belonging to described terminal, and provides the parameter information needed for switching to the ECG belonging to described terminal;
ECG belonging to described terminal, for the described handover request that basis receives, and the parameter information needed for described switching, search the MSC belonging to described terminal, and carry out the mutual of hand off signaling with the MSC belonging to the described terminal found, set up the relay connection with the MSC belonging to described terminal, return switching request response to described MME;
Described MME, after the described switching request response also returned for the ECG received belonging to described terminal, switching command is assigned to described terminal by described E-UTRAN, indicate the MSC belonging to described terminal switch to described terminal, and set up by ECG belonging to described terminal proceed business with the relay connection of the MSC belonging to described terminal.
2. a method for Business Processing, is characterized in that, comprising:
The handover request described terminal being switched to Generation Mobile Telecommunication System 2G network or 3G (Third Generation) Moblie 3G network by Long Term Evolution LTE network that enhancement mode Convergence gateway ECG receiving mobility management entity MME belonging to terminal sends, and the parameter information needed for switching; And
According to the parameter information needed for the described handover request received and described switching, search the moving exchanging center MSC belonging to described terminal; And
Carry out the mutual of hand off signaling with the MSC belonging to the described terminal found, set up the relay connection with the MSC belonging to described terminal;
ECG belonging to described terminal indicates the MSC belonging to described terminal switch to described terminal by described MME, and set up by ECG belonging to described terminal proceed business with the relay connection of the MSC belonging to described terminal.
3. an enhancement mode Convergence gateway ECG, is characterized in that, comprising:
Receiver module, for handover request terminal being switched to Generation Mobile Telecommunication System 2G network or 3G (Third Generation) Moblie 3G network by Long Term Evolution LTE network that receiving mobility management entity MME sends, and the parameter information needed for switching;
Search module, for the parameter information needed for the described handover request received and described switching, search the moving exchanging center MSC belonging to described terminal;
Connection establishment module, for carrying out the mutual of hand off signaling with the MSC belonging to the described terminal found, sets up the relay connection with the MSC belonging to described terminal;
Indicating module, for being indicated the MSC belonging to described terminal switch to described terminal by described MME, and proceeds business by what set up with the relay connection of the MSC belonging to described terminal.
4. a system for Business Processing, comprising: CSCF CSCF module, sms center SMSC, is characterized in that, described system also comprises: enhancement mode Convergence gateway ECG; Wherein:
CSCF module, for receiving the conversation initialization protocol message SIP Message carrying content of short message that described first terminal sends and the destination address information sending described SIP Message, the described SIP Message received and described destination address information are transmitted to described ECG;
Described ECG, for converting the content of short message in the described SIP Message received to short message, and sends to SMSC by the described short message of conversion and described destination address information;
Described SMSC, for according to described destination address information, by the second terminal that the described short message received sends to described destination address corresponding.
5. a method for Business Processing, is characterized in that, comprising:
The conversation initialization protocol message SIP Message carrying content of short message of the first terminal transmission of enhancement mode Convergence gateway ECG receipt of call conversation control function CSCF module forwards, and send the destination address information of described SIPMessage; And
Convert the content of short message in the described SIP Message received to short message, the described short message of conversion and described destination address information are sent to sms center SMSC; And
Indicate described SMSC according to described destination address information, the second terminal sending to described destination address corresponding described short message.
6. an enhancement mode Convergence gateway ECG, is characterized in that, comprising:
Receiver module, the conversation initialization protocol message SIP Message carrying content of short message that the first terminal for receipt of call conversation control function CSCF module forwards sends, and send the destination address information of described SIPMessage;
Conversion sending module, for converting the content of short message in the described SIP Message received to short message, sends to sms center SMSC by the described short message of conversion and described destination address information;
Indicating module, is used to indicate described SMSC according to described destination address information, the second terminal sending to described destination address corresponding described short message.
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