CN107529150A - A kind of system of business processing, method and device - Google Patents
A kind of system of business processing, method and device Download PDFInfo
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- CN107529150A CN107529150A CN201710737376.4A CN201710737376A CN107529150A CN 107529150 A CN107529150 A CN 107529150A CN 201710737376 A CN201710737376 A CN 201710737376A CN 107529150 A CN107529150 A CN 107529150A
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- called end
- terminal
- ecg
- message
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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]
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- 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
Abstract
The invention discloses a kind of system of business processing, method and device, to solve the problems, such as that service delay is longer in the prior art.The system calling terminal MSC sends SRI to called end HLR, when called end HLR inquires called end ECG address information, PRI message is sent to ECG, ECG is that called end distributes the first MSRN, first MSRN of distribution is returned into calling terminal MSC, calling terminal MSC sends the IAM for carrying the first MSRN to ECG, and ECG searches called end CSCF modules, and the CSCF calls called ends by finding according to the first MSRN.Due to interacting by called end HLR and ECG in the embodiment of the present invention, and calling terminal MSC and ECG are interacted, the calling that the calling terminal for being registered in 2G/3G networks is initiated the called end for being registered in LTE network is realized, reduces the roundabout of call routing, reduces service delay.
Description
The application is Application No. 201110267302.1, the applying date is September in 2011 9, a kind of entitled " industry
The divisional application of system, the method and device of business processing ".
Technical field
The present invention relates to wireless communication technology field, more particularly 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 (3rd
Generation, 3G) in the network architecture, speech business is provided for mobile subscriber by circuit domain.Specifically, calling terminal is to called end
When initiating calling, first sent to mobile switching centre corresponding to calling terminal (Mobile Switching Center, MSC) called
The number at end, MSC corresponding to calling terminal is according to the number of called end, to the corresponding attaching position register (Home of called end
Location Register, HLR) routing iinformation (Send Routing Infomation, SRI) is sent, inquiry is called
The positional information at end, namely MSC corresponding to inquiry called end, MSC corresponding to calling terminal establish corresponding with the called end inquired
MSC connection, realize the voice communication of calling terminal and called end.
In Long Term Evolution (Long Term Evolution, LTE) network architecture, by IP multimedia subsystem (IP
Multimedia Subsystem, IMS) domain provides speech business for mobile subscriber.Specifically, LTE terminals pass through LTE network
Evolved packet core (Evolved Packet Core, EPC) network is accessed, and then accesses IMS domain, is taken by the application in IMS domain
The positional information for device (Aplication Server, AS) record LTE terminals of being engaged in, when realizing voice communication, is recorded according to AS
The positional information of called LTE terminal carries out voice communication.Wherein, for LTE terminal, exist and singly treat LTE terminal and double standby
LTE terminal.Singly treat that LTE terminal can not access 2G/3G networks and LTE network simultaneously, only have access one kind therein, Ye Jidan
Treat that LTE terminal can only be registered in one kind in 2G/3G networks and LTE network in synchronization.And double standby LTE terminal then can be with
2G/3G networks and LTE network are accessed simultaneously, namely double standby LTE terminal can both be registered in 2G/3G networks in synchronization
In, also register in the lte networks.
However, current mobile communications network is 2G/3G and LTE network and deposited, for being registered in 2G/3G networks
Terminal, HLR records in circuit domain now MSC corresponding to the terminal, and for the unregistered terminal in 2G/3G networks, electricity
HLR in the domain of road only records the terminal last time and is registered in corresponding MSC during 2G/3G networks, does not record the terminal and now notes
The positional information of volume in the lte networks.
Therefore, when calling terminal is by circuit domain call called end, if called end is double standby LTE terminal, still with
Carry out normal voice communication.But if called end is singly treats LTE terminal, due to singly treating that LTE terminals can only connect in synchronization
Enter one kind in 2G/3G networks and LTE network, if therefore now this singly treats that LTE terminal is registered in 2G/3G networks, can
To carry out normal voice communication, and if now this singly treat LTE terminal registration in the lte networks, can be due in circuit domain
HLR does not record this and singly treats that LTE terminal registers positional information in the lte networks and can not establish calling, causes voice communication
Failure.
In the prior art, in order to solve the above problems, it is proposed that IMS centralized Controls service (IMS Centralized
Services, ICS) framework, to realize the circuit domain of 2G/3G networks, the intercommunication with the IMS domain of LTE network, as shown in Figure 1A.
Figure 1A is ICS Organization Charts of the prior art, including the MSC of the calling terminal in 2G/3G lattice networks domain, called end
Service control point (Service Control Point, SCP), the HLR of called end, the MSC of called end, positioned at circuit domain and IMS
MGCF (Media Gateway Control Function, MGCF) module/gateway movement between domain is handed over
Switching center9 (Gateway Mobile Switching Center, GMSC), and the calling meeting of the called end in IMS domain
Talk about control function (Call Session Control Function, CSCF) module, AS.Figure 1B is in the prior art using such as
ICS frameworks shown in Figure 1A, which are realized, is registered in the mistake that the calling terminal of circuit domain is called the called end for being registered in LTE network
Journey, specifically include following steps：
S101：The MSC of calling terminal initiates SRI inquiries to the HLR of called end.
S102：When the HLR discovery called ends of called end have contracted ICS business, indicate that the MSC of calling terminal is accessed and be called
The SCP at end.
S103：The MSC of calling terminal accesses the SCP of called end.
S104：The SCP instruction MSC of called end will call the MGCF modules/GMSC for being redirected to IMS domain.
S105：The MSC of calling terminal is redirected to MGCF modules/GMSC of IMS domain by calling.
S106：MGCF modules/GMSC routes the call to the CSCF modules of the called end in IMS domain.
S107：The CSCF modules of the called end inquire about the positional information of the called end in AS.
S108：The positional information inquired is returned to MGCF modules/GMSC by the CSCF modules of called end.
S109：MGCF modules/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 modules/GMSC accesses called end
SCP.
S111：MGCF modules/SCP corresponding to GMSC access called ends, suppress SCP redirection function.
S112：MGCF modules/GMSC completes the subsequently connection with called end, realizes that the voice of calling terminal and called end leads to
Letter.
Wherein, if called end be registered in LTE network singly treat LTE terminal, MGCF modules/GMSC passes through called end
CSCF calls called ends, if called end to be registered in the double standby LTE terminal of 2G/3G networks and LTE network simultaneously,
Then MGCF modules/GMSC can be as needed, passes through the MSC of called end, or called end CSCF calls called ends.
It can be seen that the system of above-mentioned business processing, although can solve to be registered in LTE network singly treats LTE terminals as quilt
Cry the voice communication at end, but call routing is roundabout than more serious, causes service delay longer.
The content of the invention
The embodiment of the present invention provides a kind of system of business processing, method and device, to solve business in the prior art
The problem of time delay is longer.
A kind of system of business processing provided in an embodiment of the present invention, including：Moving exchanging center MSC, the quilt of calling terminal
Attaching position register HLR, the CSCF CSCF modules of called end at end are, the system also includes：With master
It is the enhanced Convergence gateway for the called end that the MSC at end, the HLR of called end and called end CSCF modules are respectively connected with
(Enhangced Convergent Gateway, ECG)；Wherein：
The MSC of calling terminal, for the number of the called end sent according to the calling terminal received, sent out to the HLR of called end
Send SRI；
The HLR of called end, after the SRI message that the MSC for receiving the calling terminal is sent, inquire about the position of called end
Information, when the address information for the ECG that the positional information of the called end inquired includes the called end, to the quilt
The ECG at end is made to send (Provide Roaming Identity, the PRI) message that Provides Roaming Number；
The ECG of called end, for sent as the HLR for receiving called end PRI message when, for called end distribution the
One mobile station roaming number (Mobile Station Roaming Number, MSRN), and the first MSRN of distribution is led to
The HLR for crossing called end returns to the MSC of calling terminal；
The MSC of the calling terminal, it is additionally operable to send carrying the first MSRN initially to the ECG of the called end
Location message (Initial Address Message, IAM)；
ECG corresponding to the called end, it is additionally operable to after receiving the IAM for carrying the first MSRN, according to described first
MSRN searches the CSCF modules of the called end, and by being called described in the CSCF calls of the called end found
End.
A kind of method of business processing provided in an embodiment of the present invention, including：
The attaching position register HLR that the enhanced Convergence gateway ECG of called end receives the called end is receiving master
It is the PRI message that Provides Roaming Number sent after the SRI that the moving exchanging center MSC at end sends；And
The first mobile station roaming number MSRN is distributed for the called end, the first MSRN of distribution is passed through described
The HLR of called end returns to the MSC of the calling terminal；And
The IAM for carrying the first MSRN that the MSC of the calling terminal is sent is received, institute is searched according to the first MSRN
The CSCF CSCF modules of called end are stated, pass through quilt described in the CSCF calls of the called end found
Cry end.
A kind of enhanced Convergence gateway ECG provided in an embodiment of the present invention, including：
Receiving module, the PRI message that Provides Roaming Number that the attaching position register HLR for receiving called end is sent,
And the IAM that the moving exchanging center MSC for receiving calling terminal is sent；
Distribute module, for distributing the first mobile station roaming number MSRN for the called end；
Sending module, for the first MSRN of distribution to be returned to the MSC of the calling terminal by the HLR of called end；
Calling module is searched, for the first MSRN carried in the IAM that is sent according to the MSC of the calling terminal, lookup institute
The CSCF CSCF modules of called end are stated, and by described in the CSCF calls of the called end found
Called end.
A kind of attaching position register HLR provided in an embodiment of the present invention, including：
Receiving module, the SRI that the moving exchanging center MSC for receiving calling terminal is sent, and receive the enhancing of called end
The first mobile station roaming number MSRN for called end distribution that type Convergence gateway ECG is returned；
Enquiry module, for inquiring about the positional information of called end；
Sending module, the address of the ECG for including the called end when the positional information of the called end inquired
During information, the PRI message that Provides Roaming Number is sent to the ECG of the called end, and the ECG of the called end received is returned
The first MSRN returned is sent to the MSC of calling terminal.
A kind of system of business processing provided in an embodiment of the present invention, including：Evolved UTRAN
(Evolved Universal Terrestrial Radio Access Network, E-UTRAN), mobility management entity
Moving exchanging center MSC belonging to (Mobile Management Entity, MME), terminal, the system also include：It is described
Enhanced Convergence gateway ECG belonging to terminal；Wherein：
E-UTRAN, the wireless measurement report sent for receiving terminal during carry out business, when basis receives
Wireless measurement report, determine that the terminal needs to be switched to Generation Mobile Telecommunication System 2G nets by Long Term Evolution LTE network
When network or 3G (Third Generation) Moblie 3G network, handover request is sent to MME；
MME, for the ECG being transmitted to the handover request received belonging to the terminal, and to the terminal institute
The ECG of category provides the parameter information needed for switching；
ECG belonging to the terminal, for according to the handover request received, and the parameter needed for the switching
Information, the MSC belonging to the terminal is searched, and the MSC belonging to the terminal with finding switches over interacting for signaling,
The relay connection with the MSC belonging to the terminal is established, switching request response is returned to the MME；
The MME, after being additionally operable to receive the switching request response that the ECG belonging to the terminal is returned, pass through institute
State E-UTRAN and assign switching command to the terminal, indicate that the terminal is switched to the MSC belonging to the terminal, and pass through institute
State and that ECG belonging to terminal establishes continue business with the MSC belonging to terminal relay connection.
A kind of method of business processing provided in an embodiment of the present invention, including：
Enhanced Convergence gateway ECG belonging to terminal receives the cutting the terminal by Long Term Evolution LTE network of MME transmissions
Change to the handover request of Generation Mobile Telecommunication System 2G networks or 3G (Third Generation) Moblie 3G network, and the parameter letter needed for switching
Breath；And
According to the parameter information needed for the handover request and the switching that receive, search belonging to the terminal
Moving exchanging center MSC；And
MSC corresponding with the terminal found switches over the interaction of signaling, establishes and the MSC belonging to the terminal
Relay connection；
ECG belonging to the terminal indicates that the terminal is switched to the MSC belonging to the terminal by the MME, and leads to
Cross and that ECG belonging to the terminal establishes continue business with the MSC belonging to terminal relay connection.
A kind of enhanced Convergence gateway ECG provided in an embodiment of the present invention, including：
Receiving module, for receive MME transmission terminal is switched to Generation Mobile Telecommunication System by Long Term Evolution LTE network
The handover request of 2G networks or 3G (Third Generation) Moblie 3G network, and the parameter information needed for switching；
Searching modul, for the parameter information according to needed for the handover request and the switching that receive, search
Moving exchanging center MSC belonging to the terminal；
Connection establishment module, interacting for signaling is switched over for the MSC belonging to the terminal with finding, establish with
The relay connection of MSC belonging to the terminal；
Indicating module, for indicating that the terminal is switched to the MSC belonging to the terminal by the MME, and by building
The vertical relay connection with the MSC belonging to the terminal continues business.
A kind of system of business processing provided in an embodiment of the present invention, including：CSCF CSCF modules,
Sms center SMSC, the system also include：Enhanced Convergence gateway ECG；Wherein：
CSCF modules, the conversation initialization protocol message of the carrying content of short message sent for receiving the first terminal
(Session Initiation Protocol Message, SIP Message) and the mesh for sending the SIP Message
Address information, the SIP Message received and the destination address information are transmitted to the ECG；
The ECG, for the content of short message in the SIP Message received to be converted into short message, and will
The short message and the destination address information of conversion are sent to SMSC；
The SMSC, for according to the destination address information, the short message received to be sent into the purpose
Second terminal corresponding to address.
A kind of method of business processing provided in an embodiment of the present invention, including：
Enhanced Convergence gateway ECG receives the carrying that the first terminal of CSCF CSCF module forwards is sent
The SIP Message of content of short message, with transmission and the destination address information of the SIP Message；And
Content of short message in the SIP Message received is converted into short message, described by conversion short disappears
Breath and the destination address information are sent to sms center SMSC；And
Indicate that according to the destination address information, the short message is sent to corresponding to the destination address by the SMSC
Second terminal.
A kind of enhanced Convergence gateway ECG provided in an embodiment of the present invention, including：
Receiving module, for receiving, the carrying of first terminal transmission of CSCF CSCF module forwards is short to disappear
Cease the SIP Message of content and send the destination address information of the SIP Message；
Sending module is changed, for the content of short message in the SIP Message received to be converted into short message,
The short message of conversion and the destination address information are sent to sms center SMSC；
Indicating module, for indicating that the SMSC according to the destination address information, the short message is sent to described
Second terminal corresponding to destination address.
A kind of system of business processing provided in an embodiment of the present invention, including：Ownership belonging to sms center SMSC, terminal
CSCF CSCF modules belonging to location register HLR, the terminal, the system also include：The terminal
Affiliated enhanced Convergence gateway ECG；Wherein：
SMSC, for destination address information corresponding to the short message according to preservation, determine corresponding to the destination address eventually
End, and send SRI to the HLR belonging to the terminal of determination；
HLR belonging to the terminal, after the SRI message sent for receiving the SMSC, inquire about the position of the terminal
Confidence ceases, and when the positional information for inquiring the terminal includes the address information of the ECG belonging to the terminal, will inquire
The terminal belonging to ECG address information return to the SMSC；
The SMSC, the address letter for the ECG being additionally operable to belonging to the terminal that the HLR according to belonging to the terminal is returned
Breath, the identification information of the short message and the terminal of determination is sent to the ECG belonging to the terminal；
ECG belonging to the terminal, for the short message conversion received to be carried to the SIP of content of short message
Message, and according to the identification information of the terminal received, the CSCF modules belonging to the terminal are searched, by conversion
The SIP Message are sent to the CSCF modules belonging to the terminal found；
CSCF modules belonging to the terminal, for the SIP Message received to be sent into the terminal.
A kind of method of business processing provided in an embodiment of the present invention, including：
Attaching position register HLR belonging to terminal receives the SRI that sms center SMSC is sent, wherein, the SMSC roots
According to destination address information corresponding to the short message of preservation, after determining that terminal corresponding to the destination address is the terminal, to institute
State the HLR belonging to terminal and send SRI；And
The positional information of the terminal is inquired about, when the positional information for inquiring the terminal includes the increasing belonging to the terminal
During strong type Convergence gateway ECG address information, by described in the address information return of the ECG belonging to the terminal inquired
SMSC；And
Indicate that the identification information of the short message and the terminal is sent to belonging to the terminal by the SMSC
ECG；
SIPs of the ECG by the short message conversion received for carrying content of short message belonging to the terminal
Message, and according to the identification information of the terminal received, search the CSCF CSCF belonging to the end
Module, the SIP Message of conversion are sent to the terminal by the CSCF modules belonging to the terminal that finds.
The embodiment of the present invention provides a kind of system of business processing, method and device, and the system calling terminal MSC is to called
HLR is held to send SRI, when the positional information for the called end that called end HLR is inquired includes ECG address information, to the ECG
PRI message is sent, the ECG is that the called end distributes the first MSRN, and the first MSRN of distribution is returned into calling terminal MSC, calling terminal
MSC sends the IAM for carrying the first MSRN to the ECG, and the ECG searches called end CSCF modules according to the first MSRN, and by looking into
The CSCF calls called ends found.Due to interacting by called end HLR and ECG in the embodiment of the present invention, and caller
End MSC interacts with ECG's, realizes that the calling terminal for being registered in 2G/3G networks is exhaled what the called end for being registered in LTE network was initiated
Cry, greatly reduce the roundabout of call routing, reduce service delay.
Brief description of the drawings
Figure 1A is ICS Organization Charts of the prior art；
Figure 1B is to realize the calling terminal for being registered in circuit domain to registration using ICS frameworks as shown in Figure 1A in the prior art
In the process that the called end of LTE network is called；
Fig. 2 is the system structure diagram of business processing provided in an embodiment of the present invention；
Fig. 3 is the process of business processing provided in an embodiment of the present invention；
To be provided in an embodiment of the present invention when called end is registered in the lte networks, HLR corresponding to called end updates Fig. 4
The process of the positional information of the called end；
Fig. 5 is provided in an embodiment of the present invention when called end is registered in 2G/3G networks, and HLR corresponding to called end is more
The process of the positional information of the new called end；
Fig. 6 is a kind of enhanced Convergence gateway ECG structural representation provided in an embodiment of the present invention；
Fig. 7 is a kind of attaching position register HLR structural representation provided in an embodiment of the present invention；
Fig. 8 is the system structure diagram of another business processing provided in an embodiment of the present invention；
The transaction processing system that Fig. 9 is combination Fig. 1 and Fig. 8 provided in an embodiment of the present invention implements structural representation；
Figure 10 is the process of another business processing provided in an embodiment of the present invention；
Figure 11 is that a kind of ECG for being used to terminal being switched to 2G/3G networks by LTE network provided in an embodiment of the present invention is tied
Structure schematic diagram；
Figure 12 is the system structure diagram of the third business processing provided in an embodiment of the present invention；
Figure 13 is the process of the third business processing provided in an embodiment of the present invention；
Figure 14 is a kind of industry for being used to realize that the terminal for being registered in LTE network sends short message provided in an embodiment of the present invention
The ECG structural representations of business；
Figure 15 is the system structure diagram of the 4th kind of business processing provided in an embodiment of the present invention；
Figure 16 is the process of the 4th kind of business processing provided in an embodiment of the present invention.
Embodiment
Realize that be registered in LTE network singly treats voice of the LTE terminal as called end using ICS frameworks of the prior art
During communication, call routing need to carry out between multiple equipment in ICS frameworks it is multiple roundabout, can cause service delay compared with
It is long, and called end signing ICS business is also needed to, meanwhile, the MSC in ICS frameworks is also required to support ICS business, and this is also required to
Substantial amounts of MSC is transformed, wastes resource.Therefore the method that ECG is introduced in existing network is proposed in the embodiment of the present invention,
The ECG is connected across between the circuit domain of 2G/3G networks and the IMS domain of LTE network, and interacting by HLR and ECG, and
MSC interacts the calling for realizing the calling terminal for being registered in 2G/3G networks to being registered in LTE network initiation with ECG's, without calling road
It is multiple roundabout by carrying out in a network, service delay is reduced, is contracted ICS business without called end, more need not be to existing
MSC in net is transformed.
With reference to Figure of description, the embodiment of the present invention is described in detail.
Fig. 2 is the system structure diagram of business processing provided in an embodiment of the present invention, as shown in Fig. 2 being removed in the system
Include MSC, the HLR of called end of the calling terminal in the circuit domain of 2G/3G networks, and the IMS domain positioned at LTE network
In called end CSCF modules beyond, in addition to CSCF modules with the MSC of calling terminal, the HLR of called end and called end
The ECG for the called end being respectively connected with, wherein：
The MSC of calling terminal, for the number of the called end sent according to calling terminal, SRI is sent to the HLR of called end,
I.e. according to the number of called end, SRI inquiries are initiated to the HLR of the called end；
After the HLR of called end, the SRI that the MSC for receiving calling terminal is sent, the positional information of the called end is inquired about,
When the address information for the ECG that the positional information of the called end inquired includes the called end, sent to the ECG of the called end
PRI message；
The ECG of called end, for when receiving the PRI message of HLR transmissions of called end, first to be distributed for the called end
MSRN, and the first MSRN of distribution is returned to the MSC of calling terminal by the HLR of called end；
The MSC of calling terminal, it is additionally operable to send the IAM for carrying the first MSRN to the ECG of called end；
The ECG of called end, it is additionally operable to after receiving the IAM for carrying the first MSRN, the quilt is searched according to the first MSRN
It is the CSCF modules at end, and the CSCF calls of the called end by the finding called ends.
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.
Fig. 3 is the process of business processing provided in an embodiment of the present invention, specifically includes following steps：
S301：Calling terminal sends the number of called end to the MSC of calling terminal.
S302：The MSC of calling terminal sends SRI according to the number of called end to the HLR of called end.
Wherein, after the MSC of calling terminal receives the number of called end, according to the number searching of the called end called end
HLR, and send SRI to the HLR of the called end found.
S303：The HLR of called end inquires about the positional information of the called end, when the positional information bag of the called end inquired
When including the ECG of called end address information, PRI message is sent to the ECG of the called end.
In embodiments of the present invention, when the called end is registered in LTE network, this of the HLR preservations of the called end is called
Then include the ECG of called end address information in the positional information at end.If being double standby LTE terminal in view of the called end,
Then the positional information for the called end that HLR corresponding to the called end is preserved can also include the MSC of called end address information.
Wherein, the HLR of called end identifies whether the positional information of the called end includes the method for ECG address information, can
It is identified in a manner of by adding special number section in ECG address information, if the HLR identifies the position of the called end
Information includes the positional information containing the special number section, it is determined that the positional information that should include special number section is called for this
The ECG at end address information.
S304：After the ECG of called end receives the PRI message, the first MSRN is distributed for the called end, by distribution this
One MSRN returns to the HLR of the called end.
Wherein, can be by ECG corresponding to the called end when ECG corresponding to called end is that the called end distributes a MSRN
Special number section, with temporarily be the called end distribution number cascaded, the first MSRN is obtained, in the ims domain
Search the CSCF modules of the called end.
S305：The HLR of called end returns to the first MSRN the MSC of calling terminal.
S306：The MSC of calling terminal sends the IAM for carrying the first MSRN to the ECG of called end.
That is, the MSC of calling terminal initiates the calling to the called end according to the first MSRN to the ECG of the called end.
S307：The ECG of called end searches the CSCF modules of called end according to the first MSRN carried in the IAM.
S308：The ECG of called end passes through the CSCF calls of the called end called end that finds.
In above process, calling terminal MSC sends SRI to called end HLR, when the called end that called end HLR is inquired
When positional information includes ECG address information, PRI message is sent to the ECG, the ECG is that the called end distributes the first MSRN, will
First MSRN of distribution returns to calling terminal MSC, and calling terminal MSC sends the IAM for carrying the first MSRN to the ECG, and the ECG is according to the
One MSRN searches called end CSCF modules, and the CSCF calls called ends by finding.Due in the embodiment of the present invention
By interacting for called end HLR and ECG, and calling terminal MSC and ECG are interacted, and realize the calling terminal for being registered in 2G/3G networks
To be registered in LTE network called end initiate calling, therefore compared in the prior art use ICS frameworks implementation method,
The roundabout of call routing is greatly reduced, reduces service delay.Also, method for processing business provided in an embodiment of the present invention without
Called end signing ICS business is needed, more substantial amounts of MSC present in existing network need not be transform as and support ICS business, saved
Resource.
In embodiments of the present invention, before above-mentioned steps S303, when the called end is registered in the lte networks, then need
To send log-on message to ECG corresponding to the called end, the ECG of the called end notifies the HLR of the called end by the called end
Updating location information is the ECG of called end address information, as shown in Figure 4.Fig. 4 is to be provided in an embodiment of the present invention when called
When end is registered in the lte networks, the HLR of called end updates the process of the positional information of the called end, specifically includes following steps：
S401：The ECG of called end receives the log-on message that called end is sent, and sends position more to the HLR of the called end
New request message.
Wherein, called end first sends registration information to the CSCF modules of called end, the CSCF modules of the called end again with
The home subscriber server (Home Subscriber Server, HSS) of IMS domain authenticates to the called end, and authentication passes through
Afterwards, the log-on message is sent to the ECG of the called end by the CSCF modules of the called end.
S402：After the HLR of called end receives the location update request message, by the positional information of the called end of preservation
The ECG included address information is updated to the ECG of called end address information.
That is, when the HLR of the called end identifies the position for the ECG transmissions that the location update request message is the called end more
During new request message, the address information for the ECG that the positional information of the called end is included, being updated to send the location updating please
Seek the ECG of message address information.
Further, in order to without loss of generality, i.e., for singly treating LTE terminal and double standby LTE terminal, in order that no matter it notes
Volume can be used as called progress voice communication service, the embodiment of the present invention when LTE network is still registered in 2G/3G networks
In HLR in the positional information of called end that preserves include two kinds, one kind be when called end registration in the lte networks when, the quilt
The ECG at end address information is, one kind is the MSC of the called end address letter when called end is registered in 2G/3G networks
Breath.Process shown in Fig. 3 has been described that the HLR of called end updates the called end when called end is registered in the lte networks
The process of positional information, for explanation when called end is registered in 2G/3G networks, the HLR of called end updates the called end below
The process of positional information, as shown in Figure 5.Fig. 5 to be provided in an embodiment of the present invention when called end is registered in 2G/3G networks,
The HLR of called end updates the process of the positional information of the called end, specifically includes following steps：
S501：The MSC of called end receives the log-on message of called end transmission, and sends position to the HLR of the called end
Update request message.
Wherein, after the MSC of called end receives the log-on message of called end transmission, first the called end is authenticated, and
After authentication passes through, location update request message is sent to the HLR of the called end.
S502：After the HLR of called end receives the location update request message, by the positional information of the called end of preservation
The MSC included address information is updated to the MSC of called end address information.
That is, when the HLR of the called end identifies the position for the MSC transmissions that the location update request message is the called end more
During new request message, the address information for the MSC that the positional information of the called end is included, being updated to send the location updating please
Seek the MSC of message address information.
In embodiments of the present invention, it is called when HLR corresponding to called end updates this using process as shown in Figure 4 and Figure 5
Corresponding to end during positional information, the MSC of called end is also included in the system of the business processing.As shown in Fig. 2 the called end
MSC also is located in the circuit domain of 2G/3G networks, and ECG corresponding with called end is connected.
After HLR corresponding to called end receives the SRI of MSC transmissions of calling terminal, the position of the called end inquired
When information also includes the MSC address information of called end, then also PRI message is sent to the MSC of the called end.The called end
MSC receive the PRI message after, distribute the 2nd MSRN for the called end, and the 2nd MSRN of distribution passed through into the called end
HLR return calling terminal MSC.Now, the first MSRN and the 2nd MSRN are carried and called end are sent in IAM by calling terminal
ECG.The ECG of the called end searches the CSCF modules of the called end, passes through what is found on the one hand according to the first MSRN
CSCF calls called ends, on the other hand according to the 2nd MSRN, the MSC of the called end is searched, and according to the called end
Log-on message, the called end is called by the MSC of the called end found.
That is, when the positional information of the HLR called ends found includes the ECG of called end address information and is somebody's turn to do
During the MSC of called end address information, the MSC of calling terminal then should in the IMS domain calling of LTE network by the ECG of the called end
Called end, and also call the called end in the circuit domain of 2G/3G networks.
Specifically, when the called end for singly when LTE terminal when, if the called end is registered in LTE network, the called end
MSC can detect that the called end has been moved off 2G/3G networks, although now ECG passes through the called end corresponding to the called end
MSC when calling the called end, the MSC of the called end can block the calling, but the ECG of the called end can also pass through the quilt
Cry the CSCF calls at end the called end.Accordingly, if the called end is registered in 2G/3G networks, the ECG of the called end
Module can also detect that the called end has been moved off LTE network, and now the ECG of the called end should by the MSC callings of called end
Called end.
Therefore, no matter this singly treats that LTE terminal is registered in LTE network as called end, is still registered in 2G/3G networks,
The MSC of calling terminal can call the called end by the ECG of the called end.
In addition, when the called end is double standby LTE terminal, if the ECG of called end is determined in the log-on message of the called end
Comprising ring response mode be with shaking mode, then the CSCF modules of called end are searched according to the first MSRN, pass through what is found
The CSCF calls of the called end called end, and, the MSC of called end is searched according to the 2nd MSRN, should by what is found
The MSC of called end calls the called end.
If the ring response mode that the ECG of called end determines to include in the log-on message of the called end is CSC, and by IMS
Domain first shakes mode, or, however, it is determined that the call establishment mode included in the log-on message of the called end is that preferential IMS domain is connected and exhaled
Mode is, then the CSCF modules of the called end are searched according to the first MSRN, is exhaled by the CSCF modules of the called end found
The called end is, if by the CSCF calls of the called end called end failure found, according to the 2nd MSRN
The MSC of the called end is searched, the called end is called by the MSC of the called end found.
If the ring response mode that ECG corresponding to called end determines to include in the log-on message of the called end is CSC, and
First shaken mode by circuit domain, or, however, it is determined that the call establishment mode included in the log-on message of the called end is priority circuit
Domain call establishment mode, the then MSC according to corresponding to the 2nd MSRN searches the called end, by the MSC of the called end found
The called end is called, fails if calling the called end by the MSC of the called end found, is searched according to the first MSRN
The CSCF modules of the called end, pass through the CSCF calls of the called end called end found.
Certainly, when the HLR of called end updates the positional information of the called end, the ability letter of the called end can also be obtained
Breath, judges whether the called end is double standby LTE terminal according to the ability information of acquisition.
When it is determined that the called end is double standby LTE terminal, then the called end HLR preserve the called end positional information
Respectively：When called end is registered in the lte networks, ECG address information corresponding to the called end, and when called end is registered
When in 2G/3G networks, MSC address information corresponding to the called end.If that is, called end registration in the lte networks, by
The process for being the positional information that the HLR at end updates the called end is the process shown in Fig. 4, if called end is registered in 2G/3G nets
In network, then the process that the HLR of called end updates the positional information of the called end is the process shown in Fig. 5.
When it is determined that the called end for singly when LTE terminal when, then the called end HLR preserve the called end positional information
Only, when called end registration in the lte networks when corresponding ECG address information, and when called end is registered in 2G/3G networks
One kind when middle in corresponding MSC address information.Wherein, if called end is registered in the lte networks, the HLR of called end should
The positional information of called end is directly updated to the ECG of called end address information, and notifies to save the registration of the called end
The MSC of information deletes the log-on message of the called end.If called end is registered in 2G/3G networks, this is called by the HLR of called end
The positional information at end is directly updated to the MSC of called end address information, and notifies to save the log-on message of the called end
ECG delete the log-on message of the called end.
Based on the system and method for above-mentioned business processing, the embodiment of the present invention also provides a kind of enhanced Convergence gateway ECG,
As shown in Figure 6.Fig. 6 is a kind of enhanced Convergence gateway ECG structural representation provided in an embodiment of the present invention, is specifically included：
Receiving module 601, the PRI that Provides Roaming Number that the attaching position register HLR for receiving called end is sent disappear
Breath, and the IAM that the moving exchanging center MSC for receiving calling terminal is sent；
Distribute module 602, for distributing the first mobile station roaming number MSRN for the called end；
Sending module 603, for the first MSRN of distribution to be returned into the calling terminal by the HLR of called end
MSC；
Calling module 604 is searched, for the first MSRN carried in the IAM that is sent according to the MSC of the calling terminal, lookup
The CSCF CSCF modules of the called end, and the CSCF calls institute of the called end by finding
State called end.
The receiving module 601, it is additionally operable to receive the log-on message that the called end is sent；
The sending module 603, it is additionally operable to send location update request message to the HLR of the called end, described in notice
The address information for the ECG that the positional information of the called end of preservation includes is updated to the called end by the HLR of called end
ECG address information.
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.Fig. 7 is a kind of attaching position register HLR structural representation provided in an embodiment of the present invention, is specifically included：
Receiving module 701, the SRI that the moving exchanging center MSC for receiving calling terminal is sent, and receive the increasing of called end
The first mobile station roaming number MSRN for called end distribution that strong type Convergence gateway ECG is returned；
Enquiry module 702, for inquiring about the positional information of called end；
Sending module 703, for ECG of the positional information including the called end when the called end inquired
During address information, send and Provide Roaming Number PRI message to the ECG of the called end, and by the called end received
The first MSRN that ECG is returned is sent to the MSC of calling terminal.
The receiving module 701, the ECG for being additionally operable to receive the called end are receiving the registration of the called end transmission
The location update request message sent after information；
The enquiry module 702, it is additionally operable to the ECG address for including the positional information of the called end of preservation
Information updating is the ECG of called end address information.
Because current mobile communications network is 2G/3G and LTE network and is deposited, and LTE network unrealized is covered also and entirely
Lid, therefore work as terminal during LTE network carry out business, when needing to switch to 2G/3G networks by LTE network, use
Continuous (Single Radio Voice Call Continuity, the SRVCC) technology of single wireless audio call carries out network and cut
Change, to ensure the continuity of business.But during due to terminal being switched into 2G/3G networks with LTE network using SRVCC technologies,
Its switch flow it is complex, also result in switching when extend, even result in service disconnection.Therefore based on set forth above
ECG, the system that the embodiment of the present invention provides another business processing, for terminal to be switched into 2G/3G networks by LTE network,
As shown in Figure 8.Fig. 8 is the system structure diagram of another business processing provided in an embodiment of the present invention, is specifically included：
E-UTRAN, the wireless measurement report sent for receiving terminal during carry out business, when basis receives
Wireless measurement report, determine that the terminal is needed when being switched to 2G/3G networks by LTE network, handover request sent to MME；
MME, for the ECG being transmitted to the handover request received belonging to the terminal, and to the ECG belonging to the terminal
Parameter information needed for switching is provided；
ECG belonging to the terminal, the handover request received for basis, and the parameter information needed for the switching,
The MSC belonging to the terminal is searched, and the MSC belonging to the terminal with finding switches over interacting for signaling, establishes and the end
The relay connection of MSC belonging to end, switching request response is returned to MME；
MME, after being additionally operable to receive the switching request response that ECG belonging to the terminal is returned, by the E-UTRAN to
The terminal assigns switching command, indicates that the terminal is switched to the MSC belonging to the terminal, and establish by the ECG belonging to the terminal
Continue business with the relay connection of the MSC belonging to the terminal.
Can also be by the system of another business processing shown in above-mentioned Fig. 8, with transaction processing system phase as shown in Figure 1
With reference to as shown in Figure 9.The transaction processing system that Fig. 9 is combination Fig. 1 and Fig. 8 provided in an embodiment of the present invention implements structure
The MSC of calling terminal, the HLR of called end, the MSC of called end, LTE network IMS in schematic diagram, including 2G/3G lattice networks domain
The CSCF modules and HSS of called end in domain, wherein, HSS is mainly used in that terminal to be registered is authenticated authenticating, bridging
ECG in circuit domain and IMS domains, and for switching the E-UTRAN and MME of circuit.
Based on the system of another business processing shown in above-mentioned Fig. 8, the embodiment of the present invention provides another business processing
Method, for terminal to be switched into 2G/3G networks by LTE network, as shown in Figure 10.Figure 10 provides for the embodiment of the present invention
Another business processing process, specifically include following steps：
S1001：Terminal sends wireless measurement report during carry out business, to E-UTRAN.
Wherein, terminal at set time intervals, can measure the quality of LTE network, and measurement result is carried
E-UTRAN is sent in wireless measurement report.
S1002：E-UTRAN reports according to the wireless measurement, determines that the terminal needs to be switched to 2G/3G nets by LTE network
During network, handover request is sent to MME.
S1003：Handover request is transmitted to the ECG belonging to the terminal by MME, and sends switching to the ECG belonging to the terminal
Required parameter information.
Wherein, the parameter information needed for the switching is the parameter information that SRVCC related specifications are definition, in addition to the terminal
Parameter information.
S1004：Parameter informations of the ECG according to needed for the handover request and switching that receive belonging to the terminal, is searched
MSC belonging to the terminal.
S1005：ECG belonging to the terminal switches over interacting for signaling with the MSC belonging to the terminal found, establishes
With the relay connection of the MSC belonging to the terminal.
Wherein, the ECG belonging to the terminal switches over interacting for signaling with the MSC belonging to the terminal, including interaction prepares
Handover request message (Prep HO REQ) signaling, and prepare the interaction of switching response message (Prep HO RESP) signaling.
S1006：ECG belonging to the terminal returns to switching request response to MME.
S1007：After MME receives the switching request response, switching command is assigned to the terminal by E-UTRAN.
S1008：After terminal receives the switching command, the MSC belonging to the terminal is switched to, and by belonging to the terminal
What ECG was established continues business with the relay connection of the MSC belonging to the terminal.
Wherein, the connection of itself and CSCF modules is switched to the connection with MSC by the terminal.
In above process, as the MSC belonging to the ECG belonging to terminal searches the terminal, and built with the MSC belonging to the terminal
Vertical relay connection, and the MSC being switched to by MME instruction terminals belonging to the terminal continues business, compared to prior art
Switching flow complicated middle SRVCC, substantially reduces the flow that terminal is switched to 2G/3G networks by LTE network, reduces switching
Time delay.
Figure 11 is that a kind of ECG for being used to terminal being switched to 2G/3G networks by LTE network provided in an embodiment of the present invention is tied
Structure schematic diagram, is specifically included：
Receiving module 1101, for receive MME transmission by terminal by Long Term Evolution LTE network be switched to the second generation movement
The handover request of communication 2G networks or 3G (Third Generation) Moblie 3G network, and the parameter information needed for switching；
Searching modul 1102, the parameter information needed for the handover request received for basis and the switching,
Search the moving exchanging center MSC belonging to the terminal；
Connection establishment module 1103, interacting for signaling is switched over for the MSC belonging to the terminal with finding, is built
The vertical MSC with belonging to terminal relay connection；
Indicating module 1104, for indicating that the terminal is switched to the MSC belonging to the terminal by the MME, and lead to
Cross establish continue business with the relay connection of the MSC belonging to the terminal.
In addition, the system for also providing the third business processing based on ECG set forth above, the embodiment of the present invention, for reality
The terminal for being now registered in LTE network sends the business of short message, as shown in figure 12.Figure 12 is the provided in an embodiment of the present invention 3rd
The system structure diagram of kind business processing, is specifically included：
CSCF modules, the conversation initialization protocol message of the carrying content of short message sent for receiving the first terminal
SIP Message and the destination address information for sending the SIP Message, by the SIP Message received and
The destination address information is transmitted to ECG；
ECG, for the content of short message in the SIP Message received to be converted into short message, and by conversion
Short message and the destination address information are sent to sms center (Short Message Service Center, SMSC)；
SMSC, for according to the destination address information, the short message received to be sent to corresponding to the destination address
Two terminals.
Based on the system of the third business processing shown in above-mentioned Figure 12, the embodiment of the present invention provides the third business processing
Method, for realize be registered in LTE network terminal send short message business, as shown in figure 13.Figure 13 is real for the present invention
The process of the third business processing of example offer is provided, specifically includes following steps：
S1301：First terminal sends the SIP Message for carrying content of short message to CSCF modules, and sends the SIP
Message destination address information.
S1302：The SIP Message received and the destination address information are transmitted to ECG by CSCF modules.
S1303：Content of short message in the SIP Message received is converted into short message by ECG, and by conversion
Short message and the destination address information are sent to SMSC.
Because SMSC can only identify short message, it is therefore desirable to which the content of short message in SIP Message is converted into short disappear
Breath is sent to SMSC.
S1304：The short message received is sent to corresponding to the destination address by SMSC according to the destination address information
Second terminal.
In above process, the content of short message in SIP Message is converted into short message by ECG and be sent to
Short message is sent to terminal corresponding to destination address by SMSC, SMSC again, realize be registered in the terminals of LTE networks to other
Terminal sends the business of short message.
Figure 14 is a kind of industry for being used to realize that the terminal for being registered in LTE network sends short message provided in an embodiment of the present invention
The ECG structural representations of business, are specifically included：
Receiving module 1401, for receiving described in the first terminal transmission of CSCF CSCF module forwards
Carry the SIP Message of content of short message and send the destination address information of the SIP Message；
Sending module 1402 is changed, it is short for the content of short message in the SIP Message received to be converted into
Message, the short message of conversion and the destination address information are sent to sms center SMSC；
Indicating module 1403, for indicating that according to the destination address information, the short message is sent to by the SMSC
Second terminal corresponding to the destination address.
In addition, based on ECG set forth above, system that the embodiment of the present invention also provides the 4th kind of business processing, for reality
The terminal for being now registered in LTE network receives the business of short message, as shown in figure 15.Figure 15 is the provided in an embodiment of the present invention 4th
The system structure diagram of kind business processing, is specifically included：
SMSC, for destination address information corresponding to the short message according to preservation, terminal corresponding to the destination address is determined,
And send SRI to the HLR belonging to the terminal of determination；
After HLR belonging to the terminal, the SRI for receiving SMSC transmissions, the positional information of the terminal is inquired about, works as inquiry
To the terminal positional information include the terminal belonging to ECG address information when, by the ECG's belonging to the terminal inquired
Address information returns to SMSC；
SMSC, the address information according to the ECG belonging to the terminal of the HLR returns belonging to the terminal is additionally operable to, this is short
The identification information of this of message and determination terminal is sent to the ECG belonging to the terminal；
ECG belonging to the terminal, for the short message conversion received to be carried to the SIP of content of short message
Message, and according to the identification information of the terminal received, the CSCF modules belonging to the terminal are searched, by the SIP of conversion
Message is sent to the CSCF modules belonging to the terminal found；
CSCF modules belonging to the terminal, for the SIP Message received to be sent into the terminal.
Based on the system of the 4th kind of business processing shown in above-mentioned Figure 15, the embodiment of the present invention provides the 4th kind of business processing
Method, for realize be registered in LTE network terminal receive short message business, as shown in figure 16.Figure 16 is real for the present invention
The process of 4th kind of business processing of example offer is provided, specifically includes following steps：
S1601：SMSC destination address information according to corresponding to the short message of preservation, determine corresponding to the destination address eventually
End, SRI is sent to the HLR belonging to the terminal of determination.
S1602：After HLR belonging to the terminal receives the SRI of SMSC transmissions, the positional information of the terminal is inquired about.
S1603：When the positional information for the terminal that the HLR belonging to the terminal is inquired includes the ECG's belonging to the terminal
During address information, the address information of the ECG belonging to the terminal inquired is returned into SMSC.
Wherein, if the positional information of the terminal inquired includes the address information of the ECG belonging to the terminal, this is illustrated
Terminal is to be registered in the terminal of LTE network.
S1604：ECGs of the SMSC according to belonging to terminal address information, the mark of the short message and the terminal is believed
Breath is sent to the ECG belonging to the terminal.
Wherein, identification information corresponding to the terminal can be the number of the terminal.
S1605：SIPs of the ECG by the short message conversion received for carrying content of short message belonging to the terminal
Message。
S1606：ECG belonging to the terminal is searched belonging to the terminal according to the identification information of the terminal received
CSCF modules, the SIP Message of conversion are sent to the CSCF modules belonging to the terminal found.
Because the CSCF modules in LTE network can only identify SIP Message, it is therefore desirable to by short message conversion into carrying
The SIP Message of content of short message are sent to CSCF modules.
S1607：The SIP Message received are sent to the terminal by the CSCF modules belonging to the terminal.
In above process, by ECG receive SMSC send short message, and by short message conversion into carry content of short message
SIP Message be sent to CSCF, SIP Message are sent to corresponding terminal by CSCF again, are realized and are registered in LTE nets
The terminal of network receives the business for the short message that other-end is sent.
The embodiment of the present invention provides a kind of system of business processing, method and device, and the system calling terminal MSC is to called
HLR is held to send SRI, when the positional information for the called end that called end HLR is inquired includes ECG address information, to the ECG
PRI message is sent, the ECG is that the called end distributes the first MSRN, and the first MSRN of distribution is returned into calling terminal MSC, calling terminal
MSC sends the IAM for carrying the first MSRN to the ECG, and the ECG searches called end CSCF modules according to the first MSRN, and by looking into
The CSCF calls called ends found.Due to interacting by called end HLR and ECG in the embodiment of the present invention, and caller
End MSC interacts with ECG's, realizes that the calling terminal for being registered in 2G/3G networks is exhaled what the called end for being registered in LTE network was initiated
Cry, greatly reduce the roundabout of call routing, reduce service delay.
Obviously, those skilled in the art can carry out the essence of various changes and modification without departing from the present invention to the present invention
God and scope.So, if these modifications and variations of the present invention belong to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising including these changes and modification.
Claims (3)
1. a kind of system of business processing, including：CSCF CSCF modules, sms center SMSC, its feature exist
In the system also includes：Enhanced Convergence gateway ECG；Wherein：
CSCF modules, the conversation initialization protocol message SIP of the carrying content of short message sent for receiving the first terminal
Message and the destination address information for sending the SIP Message, by the SIP Message received and institute
State destination address information and be transmitted to the ECG；
The ECG, for the content of short message in the SIP Message received to be converted into short message, and will conversion
The short message and the destination address information be sent to SMSC；
The SMSC, for according to the destination address information, the short message received to be sent into the destination address
Corresponding second terminal.
A kind of 2. method of business processing, it is characterised in that including：
The carrying of the first terminal transmission of enhanced Convergence gateway ECG receptions CSCF CSCF module forwards is short to disappear
The conversation initialization protocol message SIP Message of content are ceased, and send the destination address information of the SIP Message；
And
Content of short message in the SIP Message received is converted into short message, by the short message of conversion with
And the destination address information is sent to sms center SMSC；And
Indicate that according to the destination address information, the short message is sent to second corresponding to the destination address by the SMSC
Terminal.
A kind of 3. enhanced Convergence gateway ECG, it is characterised in that including：
Receiving module, for receive CSCF CSCF module forwards first terminal send carrying short message in
The conversation initialization protocol message SIP Message of appearance, and send the destination address information of the SIP Message；
Sending module is changed, for the content of short message in the SIP Message received to be converted into short message, will be turned
The short message and the destination address information changed is sent to sms center SMSC；
Indicating module, for indicating that the short message according to the destination address information, is sent to the purpose by the SMSC
Second terminal corresponding to address.
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| CN104754662B (en) | 2018-06-26 |
| CN103002418A (en) | 2013-03-27 |
| CN104754662A (en) | 2015-07-01 |
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