CN101409876B - Method for sending and receiving short message in NGN, and short message center - Google Patents
Method for sending and receiving short message in NGN, and short message center Download PDFInfo
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- CN101409876B CN101409876B CN2008101722870A CN200810172287A CN101409876B CN 101409876 B CN101409876 B CN 101409876B CN 2008101722870 A CN2008101722870 A CN 2008101722870A CN 200810172287 A CN200810172287 A CN 200810172287A CN 101409876 B CN101409876 B CN 101409876B
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Abstract
The invention discloses a method of sending and receiving short messages and a short message center in the next generation network (NGN) so as to solve the problem that the short message terminal with mixed number distribution can not accurately send and receive short messages in the NGN network. In the method, a short message center carries out conversion through inquiring the corresponding relationship between terminal logic numbers and physical numbers, thus ensuring successful sending and receiving of the short messages. The short message center consists of a message receiving module, a calling number modifying module, a judging module, a called number modifying module and a short message sending module. The invention ensures the short messages in the NGN network can be successfully sent and received and the short message service can be better applied in the fixed network field.
Description
Technical field
The present invention relates to the short message technology, relate in particular to the method and the SMC (Short Message Center, short message service center) that send and receive short message among a kind of NGN (Next Generation Network, next generation network).
Background technology
The NGN network is a kind of new generation network that has merged traditional PSTN (Public Switched Telephone Network, public switched telephone network (PSTN)), IP network and wireless network.It is with (the Soft Switch of the SS with packet switching control ability, soft switch) is core, can insert the terminal of number of different types, and the open network of multiple business such as voice, data, video, short message, multimedia is provided, represent the direction of communication network development.NGN network using SIP (Session Initiation Protocol, conversation initialized protocol) as call control protocol, have that grouping transmits, call/session control, business provides with network detach, provide open interface, QoS (Quality ofService, service quality) transmittability, with features such as legacy network intercommunication, converged fixed and mobile service.
Short message service has obtained extensive use in mobile field, but in traditional can't realizing based on the restriction of Circuit-switched fixed network field owing to agreement and terminal always.But along with internet and development of Communication Technique, NGN network based on the IP packet switching begins in the fixed network field to use, the application of short message service in the fixed network field that appear as of the application of Session Initiation Protocol and sip terminal provides possibility, but how fixed network short message service carries out, and industry there is no unified standard at present.
See also Fig. 1, this figure is available technology adopting NGN network technology realizes short message service in fixed network networking structure figure, as seen from the figure, the scheme that in fixed network, realizes short message service in the prior art be by in the NGN network, introduce short message unified processing platform---the mode of SMC realizes.The NGN terminal sends to SS earlier with short message, and SS passes through SMC with short message again.SMC is as the processing center of short message, is responsible for the functions such as storage, forwarding, inquiry and charging of short message, and by realize with being connected of Short Message Service Gateway and same net/heterogeneous network terminal between the note intercommunication.Accounting system is used for increasing, changing or delete the service attribute of SMC short-message users by tent interface electronic work order under SMC in addition.At present the most frequently used between NGN terminal and the SMC is exactly to adopt in the Session Initiation Protocol MESSAGE message to transmit short message.
But scheme shown in Figure 1 can run into a problem when implementing: be exactly the user that the NGN terminal all belongs to management under the SS, after SS realizes intelligentized pstn as tandem exchange, in order to realize user's number portability, can distribute telephone numbers the whole network user unified the mixing, the logical number and the physical number branch that are the user are arranged, logical number is used for outside demonstration, and physical number is used for inside and continues.The branch that also has physical number and logical number like this for the short message user, the NGN terminal binding be exactly physical number, and what see to the user is logical number, like this when sending SMS message, need transfer the caller physical number to logical number, be exactly wrong sender's number otherwise the recipient sees; When receiving short message, need transfer the called logical number to physical number, receive the user otherwise can not find.As seen the short message user must carry out the conversion of logical number and physical number after having realized overall mixed putting, otherwise transmission that the NGN terminal can't be successful and reception short message.But this conversion should be finished by whom in short message service, and industry does not still have clear and definite regulation at present.
Usually be that corresponding relation with logical number and physical number is stored in external data base according to the way of ordinary call, for example among the HLR (Home Location Register, attaching position register), obtain the result by SS by the access external data storehouse again.But fixed network message and ordinary call different in kind, size of message is frequent and huge.The SS that is in the network core status handles normal call, if also all handle by the mode of ordinary call for short message, that will inevitably take a large amount of call resources, also can produce a very large impact normal calling.
Summary of the invention
The invention provides the method and the short message service center that send and receive short message in a kind of next generation network, in the NGN network, mix the problem that the Short Message Terminal of distributing telephone numbers could correctly send and receive short message in order to solve.
Technical scheme of the present invention is as follows:
Send and receive the method for short message in a kind of next generation network, comprise step:
A, calling terminal send short message to the soft switch of ownership, and soft switch is transmitted to the short message service center that calling terminal belongs to short message, carries the physical number of caller and called logical number in this short message;
The logical number of short message service center's inquiring calling of B, calling terminal ownership changes to the physical number of the caller in the short message logical number of caller;
The short message service center of C, calling terminal ownership judges according to called logical number whether terminal called belongs to this short message service center, if, change step D, otherwise, step e changeed;
The called physical number of short message service center's inquiry of D, calling terminal ownership changes to called physical number with the called logical number in the short message, then this short message is sent to the soft switch of called ownership, is transmitted to terminal called by soft switch again;
The short message service center of E, calling terminal ownership sends to Short Message Service Gateway with this short message, is transmitted to the short message service center of terminal called ownership again by Short Message Service Gateway.
Preferably, also comprise step after the described step e:
The short message service center of terminal called ownership receives the short message of being sent by Short Message Service Gateway, judge that according to called logical number terminal called belongs to this short message service center, inquire about called physical number then, called logical number in the short message is changed to physical number, at last this short message is sent to the soft switch of called ownership, be transmitted to terminal called by this soft switch again.
Preferably, short message service center by and accounting system between interface inquiry physical number and the corresponding relation between the logical number, perhaps by and external data base between interface inquiry physical number and the corresponding relation between the logical number.
Short message service center in a kind of next generation network comprises that short message receives module, calling number change module, judge module, called number change module and short message sending module, wherein,
Short message receives module, is used to receive the short message that the calling terminal of this short message service center of ownership sends, and carries the physical number of caller and called logical number in this short message;
Calling number is changed module, is used for the logical number of inquiring calling, and the logical number that the physical number of the caller in the short message is changed to caller;
Judge module is used for judging according to called logical number whether terminal called belongs to this short message service center;
Called number change module when terminal called belongs to this short message service center, is used to inquire about called physical number, and the called logical number in the short message is changed to called physical number;
The short message sending module, when terminal called belongs to this short message service center, the short message that is used for called number is changed module output sends to terminal called by the soft switch of called ownership, when terminal called does not belong to this short message service center, be used for the short message that calling number is changed module output is sent to by corresponding Short Message Service Gateway the short message service center of terminal called ownership.
Preferably, described short message reception module also is used for receiving short message through Short Message Service Gateway; Described called number change module also is used to inquire about the called physical number of the short message that receives through Short Message Service Gateway, and the called logical number in the short message that Short Message Service Gateway receives is changed to called physical number.
Preferably, described calling number change module by and accounting system between the physical number of interface inquiring calling and the corresponding relation between the logical number of caller, perhaps by and external data base between the physical number of interface inquiring calling and the corresponding relation between the logical number of caller; Described called number change module by and accounting system between the called logical number of interface inquiry and called physical number between corresponding relation, perhaps by and external data base between interface inquire about corresponding relation between called logical number and the called physical number.
The present invention is directed to mixing is distributed telephone numbers in the NGN network Short Message Terminal and can't correctly send and receive the problem of short message, utilize interface between short message service center and accounting system or the external data base to obtain the corresponding relation of user logic number and physical number and change, thereby guaranteed reception and transmission that short message can be successful, made short message service to obtain better application in the fixed network field.This implementation can not brought bigger expense to soft switch, realizes simply, and is very little to the influence of existing network.
Description of drawings
Fig. 1 is available technology adopting NGN network technology realizes short message service in fixed network networking structure figure;
Fig. 2 is the realization principle flow chart that sends and receive the method for short message in the NGN network of the present invention;
Fig. 3 is the structured flowchart of the short message service center in the NGN network of the present invention.
Embodiment
The present invention is directed to mixing is distributed telephone numbers in the NGN network Short Message Terminal and can't correctly send and receive the problem of short message, in short message transmission and receiving course, by short message service center by inquiry terminal logical number and physical number corresponding relation and change, thereby guaranteed the successful transmission of short message and received.
See also Fig. 2, this figure is the realization principle flow chart that sends and receive the method for short message in the NGN network of the present invention, mainly comprises step:
The short message service center's inquiry of step 11, calling terminal ownership and the logical number of the corresponding caller of physical number of caller;
In this step, the short message service center of calling terminal ownership by and accounting system between the logical number of interface inquiry and the corresponding caller of physical number of caller, perhaps by and external data base between the logical number of interface inquiry and the corresponding caller of physical number of caller.
The short message service center of step 12, calling terminal ownership changes to the physical number of the caller in the short message logical number of caller;
The short message service center of step 13, calling terminal ownership judges according to the called logical number of carrying in the short message whether terminal called belongs to this short message service center, if, change step 14, otherwise, step 16 changeed.
The short message service center's inquiry and the called corresponding called physical number of logical number of step 14, calling terminal ownership;
In this step, the short message service center of calling terminal ownership by and accounting system between interface inquiry and the called corresponding called physical number of logical number; Perhaps by and external data base between interface inquiry and the called corresponding called physical number of logical number.
The short message service center of step 15, calling terminal ownership changes to called physical number with logical number called in the short message, then this short message is sent to terminal called by corresponding soft switch, and flow process finishes.
The short message service center of step 16, calling terminal ownership is transmitted to short message the short message service center of terminal called ownership by Short Message Service Gateway.
The short message service center's inquiry and the called corresponding called physical number of logical number of step 17, terminal called ownership.
In this step, the short message service center of terminal called ownership by and accounting system between interface inquiry and the called corresponding called physical number of logical number; Perhaps by and external data base between interface inquiry and the called corresponding called physical number of logical number.
The short message service center of step 18, terminal called ownership changes to called physical number with the called logical number from the short message that Short Message Service Gateway receives, and then this short message is transmitted to terminal called by soft switch, and flow process finishes.
Below by a specific embodiment specific implementation process that sends and receive the method for short message in the next generation network of the present invention is given further detailed explanation.Present embodiment is example with the sip terminal, sip terminal and short message service center directly adopt in the Session Initiation Protocol MESSAGE message to transmit content of short message, here suppose that caller sip terminal and called SIP terminal all possess the ability of short-message sending, having carried out mixing the distribute telephone numbers logical number of back caller sip terminal is 02552870001, physical number 02599990001; The logical number of called SIP terminal is 02552870002, physical number 02599990002, the logical number of sip terminal and physical number can utilize the accounting system interface to inquire about acquisition from accounting system, also can have (for example HLR) inquiry acquisition in the external data base.The concrete steps of the transmission of SIP short message and reception are as follows in the present embodiment:
Step 20, caller sip terminal succeed in registration in soft switch, send SMS message to called SIP terminal, the number (for example 90602599866) of the short message service center of caller sip terminal ownership is all filled in RequestURI territory and T0 territory in the MESSAGE message that send this moment, FROM fills in the territory physical number 02599990001 of caller, and called logical number 02552870002 is encapsulated in the message body;
After the MESSAGE message of caller sip terminal transmission is received in step 21, soft switch,, MESSAGE message is passed through short message service center by analyzing the short message service center's number 90602599866 in the RequestURI territory;
After the MESSAGE message that soft switch sends is received by the short message service center of step 22, caller sip terminal ownership, carry out message test, operations such as subscription authentication, the MESSAGE request that acknowledged is sent can be accepted, then to soft switch loopback 202 responses, report short message service center correctly receives short message;
202 responses are received in step 23, soft switch, are transmitted to the caller sip terminal.The caller sip terminal can point out user's short message to send successfully after receiving 202 responses;
The short message service center of step 24, caller sip terminal ownership finds corresponding logical number 02552870001 according to the caller physical number 02599990001 in the FROM territory, and fills out in the FROM territory
The short message service center of step 25, caller sip terminal ownership takes out called logical number 02552870002 from message body, judge according to this number whether called SIP terminal belongs to this short message service center, if, change step 26, otherwise, step 27 changeed.
The short message service center of step 26, caller sip terminal ownership finds corresponding physical number 02599990002 according to called logical number 02552870002 and fills out in the TO territory and RequestURI territory of MESSAGE message, at last MESSAGE message is sent to corresponding soft switch, change step 29.
The short message service center of step 27, caller sip terminal ownership is transmitted to short message the short message service center of terminal called ownership by Short Message Service Gateway.
The short message that sends from Short Message Service Gateway is received by the short message service center of step 28, terminal called ownership, therefrom takes out caller logical number 02552870001 and fills out in the FROM territory of MESSAGE message; Find corresponding physical number 02599990002 according to called logical number 02552870002 then and fill out in the TO territory and RequestURI territory of MESSAGE message, at last MESSAGE message is issued soft switch;
Step 29, soft switch are found the called subscriber according to the called physical number in the message 02599990002 after receiving the MESSAGE message that short message service center sends, and then MESSAGE message are issued called SIP terminal;
After step 30, called SIP terminal receive MESSAGE message, return 200 responses, confirm that short message is correctly received to soft switch;
Step 31, soft switch receive after 200 responses that it is transmitted to the short message service center of called SIP terminal ownership, and flow process finishes.
Corresponding to said method of the present invention, the present invention and then proposed short message service center in a kind of NGN network, see also Fig. 3, this figure is the structured flowchart of the short message service center in the NGN network of the present invention, it comprises that mainly short message receives module, calling number change module, judge module, called number change module and short message sending module, wherein
Short message receives module, is used to receive the short message that the calling terminal of this short message service center of ownership sends, and carries the physical number of caller and called logical number in this short message, and this short message receives module and also is used for receiving short message through Short Message Service Gateway.
Calling number is changed module, is used for the logical number of inquiring calling, and the logical number that the physical number of the caller in the short message is changed to caller.
Judge module is used for judging according to called logical number whether the terminal called of the short message that the calling terminal of this short message service center of ownership sends belongs to this short message service center equally.
Called number change module when terminal called belongs to this short message service center, is used to inquire about called physical number, and the called logical number in the short message is changed to called physical number; Also be used to inquire about the called physical number of the short message that receives through Short Message Service Gateway, and the called logical number in the short message that Short Message Service Gateway receives is changed to called physical number.
The short message sending module, when terminal called belongs to this short message service center, the short message that is used for called number is changed module output sends to terminal called by the soft switch of called ownership, when terminal called does not belong to this short message service center, be used for the short message that calling number is changed module output is sent to by corresponding Short Message Service Gateway the short message service center of terminal called ownership.
Wherein, described calling number change module by and accounting system between the physical number of interface inquiring calling and the corresponding relation between the logical number of caller, perhaps by and external data base between the physical number of interface inquiring calling and the corresponding relation between the logical number of caller; Described called number change module by and accounting system between the called logical number of interface inquiry and called physical number between corresponding relation, perhaps by and external data base between interface inquire about corresponding relation between called logical number and the called physical number.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (6)
1. send and receive the method for short message in the next generation network, it is characterized in that, comprise step:
A, calling terminal send SMS message to the soft switch of ownership, soft switch is transmitted to short message the short message service center of calling terminal ownership, carry the physical number of caller and called logical number in this short message, described short message adopts the MESSAGE message in the Session Initiation Protocol to transmit;
The logical number of short message service center's inquiring calling of B, calling terminal ownership changes to the physical number of the caller in the short message logical number of caller;
The short message service center of C, calling terminal ownership judges according to called logical number whether terminal called belongs to this short message service center, if, change step D, otherwise, step e changeed;
The called physical number of short message service center's inquiry of D, calling terminal ownership changes to called physical number with the called logical number in the short message, then this short message is sent to the soft switch of called ownership, is transmitted to terminal called by soft switch again;
The short message service center of E, calling terminal ownership sends to Short Message Service Gateway with this short message, is transmitted to the short message service center of terminal called ownership again by Short Message Service Gateway.
2. the method for claim 1 is characterized in that, also comprises step after the described step e:
The short message service center of terminal called ownership receives the short message of being sent by Short Message Service Gateway, judge that according to called logical number terminal called belongs to this short message service center, inquire about called physical number then, called logical number in the short message is changed to physical number, at last this short message is sent to the soft switch of called ownership, be transmitted to terminal called by this soft switch again.
3. method as claimed in claim 1 or 2, it is characterized in that, short message service center by and accounting system between interface inquiry physical number and the corresponding relation between the logical number, perhaps by and external data base between interface inquiry physical number and the corresponding relation between the logical number.
4. the short message service center in the next generation network is characterized in that, comprises that short message receives module, calling number change module, judge module, called number change module and short message sending module, wherein,
Short message receives module, is used to receive the short message that the calling terminal of this short message service center of ownership sends, and carries the physical number of caller and called logical number in this short message, and described short message adopts the MESSAGE message in the Session Initiation Protocol to transmit;
Calling number is changed module, is used for the logical number of inquiring calling, and the logical number that the physical number of the caller in the short message is changed to caller;
Judge module is used for judging according to called logical number whether terminal called belongs to this short message service center;
Called number change module when terminal called belongs to this short message service center, is used to inquire about called physical number, and the called logical number in the short message is changed to called physical number;
The short message sending module, when terminal called belongs to this short message service center, the short message that is used for called number is changed module output sends to terminal called by the soft switch of called ownership, when terminal called does not belong to this short message service center, be used for the short message that calling number is changed module output is sent to by corresponding Short Message Service Gateway the short message service center of terminal called ownership.
5. short message service center as claimed in claim 4 is characterized in that,
Described short message receives module and also is used for receiving short message through Short Message Service Gateway;
Described called number change module also is used to inquire about the called physical number of the short message that receives through Short Message Service Gateway, and the called logical number in the short message that Short Message Service Gateway receives is changed to called physical number.
6. short message service center as claimed in claim 4, it is characterized in that, described calling number change module by and accounting system between the physical number of interface inquiring calling and the corresponding relation between the logical number of caller, perhaps by and external data base between the physical number of interface inquiring calling and the corresponding relation between the logical number of caller;
Described called number change module by and accounting system between the called logical number of interface inquiry and called physical number between corresponding relation, perhaps by and external data base between interface inquire about corresponding relation between called logical number and the called physical number.
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| CN2008101722870A CN101409876B (en) | 2008-11-04 | 2008-11-04 | Method for sending and receiving short message in NGN, and short message center |
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| CN2008101722870A CN101409876B (en) | 2008-11-04 | 2008-11-04 | Method for sending and receiving short message in NGN, and short message center |
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