CN101394599A - Acquiring method, customer terminal and short message center for session initiating protocol short message - Google Patents
Acquiring method, customer terminal and short message center for session initiating protocol short message Download PDFInfo
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- CN101394599A CN101394599A CNA2008101803399A CN200810180339A CN101394599A CN 101394599 A CN101394599 A CN 101394599A CN A2008101803399 A CNA2008101803399 A CN A2008101803399A CN 200810180339 A CN200810180339 A CN 200810180339A CN 101394599 A CN101394599 A CN 101394599A
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Abstract
The invention discloses an SIP short message acquisition method, an SIP client end and an SIP short message center. The SIP short message acquisition method comprises the following steps: the SIP client end sends a short message inquiry request to the SIP short message center; the SIP short message center extracts a short message in a dispatch queue according to the short message inquiry request; and the SIP short message center sends the extracted short message to the SIP client end. In the SIP short message acquisition method, the SIP short message center and the SIP client end, the SIP client end initiates the short message inquiry in an active manner, so that the problem that the short message is lost or cannot be received in time possibly caused by the off line of the SIP client end in the SIP short message service is solved, and the user requirement is satisfied. The method and the device only improve the SIP client end and the SIP short message center without altering a soft-switch network, so the remodification of a core network is avoided, and the feasibility of implementation is strong.
Description
Technical field
(Soft Switch, SS) network technology relate in particular to a kind of Session initiation Protocol (Session Initiation Protocol, SIP) acquisition methods of short message, client and short message service center to the present invention relates to soft switch.
Background technology
Along with the scale of flexible exchanging network is used, the SIP short message service provides a kind of application mode of new short message for sip user.It is mutual, convenient for users to use that the user can use sip terminal (for example, pc client or mobile phone terminal) and other user's terminal (for example, sip terminal or non-sip terminal) to carry out short message.
The SIP short message service is the business that a kind of employing Session Initiation Protocol (referring to IETF RFC3261) is realized short message.This professional back-up system is made up of the sip terminal, soft switch and the SIP short message service center that support the SIP short message service.Wherein, SIP short message service center has the storage forwarding capability.When SIP short message service center when called forwarding short message is unsuccessful (for example, because the not online mistake that waits of called party client end), SIP short message service center stores this short message, and retransmits according to the retransmission policy corresponding with different error reasons (for example, comprising retransmission interval and repeating transmission number of times etc.).If still do not send successfully behind the end of retransmission, will no longer resend this short message, but it will be kept in the SIP short message service center, behind the expiration of licence with its deletion.The SIP client in use, long-time not online situation ubiquity.
Under the realization mechanism of existing flexible exchanging network, the state of sip user only is kept at soft switch.At present, flexible exchanging network does not have the registration/exit state notice SIP short message service center of mechanism with sip user.The state of client can't be known by SIP short message service center, can cause the user during off-line, to lose short message like this (to the short message of end of retransmission, SIP short message service center no longer retransmits and the short message of storage is deleted to after date at slurt message validity period) or can not in time receive short message (when message still is in the retransmission process, SIP short message service center can wait for that next repetition cycle just issues), this problem can have a strong impact on carrying out of SIP short message application.
Summary of the invention
The technical problem that the present invention will solve provides a kind of acquisition methods of SIP short message, has the strong advantage of implementation.
The invention provides a kind of acquisition methods of SIP short message, comprising: the SIP client is to the SIP short message service center query requests that sends SMS message; SIP short message service center is according to the short message in the SMS query request extraction transmit queue; SIP short message service center sends to the SIP client with the short message that extracts.
An embodiment according to the acquisition methods of SIP short message of the present invention, after the SMS query request is received by SIP short message service center, this method also comprises: SIP short message service center carries out the short message service authentication according to the client identification that comprises in the SMS query request, after authentication is passed through, the extraction respective user is buffered in short message and the receipt in the transmit queue, otherwise, refuse this SMS query request.
The acquisition methods of SIP short message provided by the invention, initiatively initiate the message search request by the SIP client, ask short-message sending down by SIP short message service center based on this, the problem that has solved the short-and-medium information drop-out of SIP short message service or can not in time receive, this method does not need to transform flexible exchanging network, only SIP client and SIP short message service center are improved, avoided the transformation to core net, exploitativeness is strong.
The present invention also provides a kind of SIP sms center of using said method, comprising: the short message memory module is used to store short message; The request receiver module is used to receive the SMS query request from client, extracts short message according to the SMS query request from the short message memory module, and the short message that extracts is sent to the short message sending module; The short message sending module is used for receiving short message from the request receiver module, and short message is sent to described client.
An embodiment according to SIP sms center of the present invention, above-mentioned request receiver module comprises authenticating unit, be used for the client identification that request comprises according to SMS query and carry out the short message service authentication, if authentication is passed through, then extract short message from the short message memory module according to the SMS query request, otherwise, refuse this SMS query request.
The present invention also provides a kind of SIP client of using said method, and comprising: request sending module is used to the query requests that sends SMS message; Short message receives module, is used to receive short message.
Description of drawings
Fig. 1 is the network diagram of SIP short message service;
Fig. 2 is the system construction drawing of SIP short message service of the present invention;
Fig. 3 is the flow chart of an embodiment of the acquisition methods of SIP short message of the present invention;
Fig. 4 is the flow chart of another embodiment of the acquisition methods of SIP short message of the present invention;
Fig. 5 is the block diagram of an embodiment of SIP of the present invention short message service center;
Fig. 6 is the block diagram of an embodiment of SIP client of the present invention.
Embodiment
With reference to the accompanying drawings the present invention is described more fully, exemplary embodiment of the present invention wherein is described.In the accompanying drawings, identical label is represented identical or similar assembly or element.In this article, the system that forms by one or more servers or other equipment of short message service center.
Those skilled in the art will appreciate that sip message (message) refers to the protocol data that transmits between the SIP element.The SIP method refers to the major function of wanting to call (invoke) in server requests.Method is carried in request message self, and the example of method comprises INVITE, MESSAGE and BYE etc.In the present invention, MESSAGE (message) refers to a kind of SIP method (method), rather than refers to sip message.For the sake of clarity, hereinafter, represent the sip message of using in the SIP MESSAGE method with MESSAGE message or MESSAGE request.
Fig. 1 is the network diagram of SIP short message service.As shown in Figure 1, this network comprises SIP client 11, SIP short message service center 12, flexible exchanging network 13, short messaging gateway 14 and other short message service centers 15.Wherein SIP client 11 is for supporting the terminal of SIP short message service, the short message service authentication that SIP short message service center 12 is responsible for sip user, realize the storage and the forwarding of SIP short message, flexible exchanging network 13 is supported the SIP short message service, finishes the authentication of sip user and the route and the forwarding of sip message.In this network, adopt SIP MESSAGE message to realize the SIP short message service between SIP client 11 and the flexible exchanging network 13, between flexible exchanging network 13 and the SIP short message service center 12.SIP short message service center 12 adopts the SMPP agreement to finish the intercommunication of SIP short message service center 12 and other short message service center 15 (for example, SIP short message service center, PHS short message service center, family add e short message service center, GSM short message service center etc.) by short messaging gateway 14.
Fig. 2 is the system construction drawing of SIP short message service of the present invention.As shown in Figure 2, this system comprise one or more SIP client 11, edge access control (Border AccessController, BAC) 24, soft switch 13 and short message service center 12.SIP client 11, soft switch 13 and short message service center 12 can for for purpose of brevity, not be described in detail at this referring to the description among Fig. 1.BAC is a soft switch service edge access control equipment, supports the forwarding to sip message.
Fig. 3 is the flow chart of an embodiment of acquisition methods of the short message of sip user of the present invention.
As shown in Figure 3, in step 302, the SIP client is for example being reached the standard grade back or regularly initiatively to the SIP short message service center query requests that sends SMS message at every turn.For example, define a kind of message body and carry, and be encapsulated in the SIP MESSAGE message, send to SIP short message service center by the SIP client to finish the SMS query information requested.This message body is called the XML expansion (SMML) of Session Initiation Protocol at Message Processing, and SMML adopts the XML language.For example, the header field of SIPMESSAGE message is defined as follows shown in the table:
Table 1
Wherein, the M in the table represents and must comprise.In short message was used, the Content-Type value in the SIP MESSAGE message was " text/xml-smml ", and representing message body is the SMML expansion type.Have in the XML message body element (=query) explanation be query requests.
In step 304, SIP short message service center is according to the short message in the SMS query request extraction transmit queue.
In step 306, SIP short message service center sends to the SIP client with the short message that extracts.SIP short message service center can send to the SIP client successively with the short message that extracts, and perhaps the priority according to short message sends to the SIP client.SIP short message service center can have precedence over the retransmission process of short message to the processing of the short message of query requests.
When SIP short message service center receive send request from the short message of SIP client or short messaging gateway after, if SIP short message service center carries out to the called subscriber at first that service authentication is called to be the validated user of this sms center, then SIP short message service center sends SMS message to the called subscriber by soft switch.Not online or other wrong SIP short message that causes sends failure as the called subscriber, then interim errored response (4XX/5XX) is returned in soft switch, SIP short message service center is buffered in this short message in the transmit queue and according to retransmission policy (as system configuration, having preset the retransmission policy of corresponding different error codes in the SIP short message service center: retransmit number of times and retransmission interval) and retransmits.When the repeating transmission number of times reached maximum times, SIP short message service center stopped to retransmit.Behind the end of retransmission, if slurt message validity period does not expire, then SIP short message service center stores this short message, otherwise this short message is deleted by SIP short message service center.After the SIP client is reached the standard grade, initiatively initiate SMS query.Fig. 4 is the flow chart of another embodiment of the acquisition methods of SIP short message of the present invention.
As shown in Figure 4, in step 402, the SIP client send carry SMS query message body SIP MESSAGE request, the MESSAGE request arrives SIP short message service center after through BAC, soft switch;
In step 404, SIP short message service center returns 202 responses, and soft switch is transmitted 202 responses to the SIP client.
In step 406, SIP short message service center obtains client identification from SMS query MESSAGE request, carry out user's short message service authentication, and authentication continues step 408 by the back.
In step 408, the short message (comprising message receipt) of user in the message queue is searched by SIP short message service center, sends the SIP MESSAGE request of carrying short message 1 to the SIP client, and the SIP client is returned 200 responses.
In step 410, SIP short message service center sends the SIP MESSAGE request of carrying short message 2 to the SIP client, and the SIP client is returned 200 responses.
Be in the application of a short message service below, the example of the Schema of the XML-SMML of SMS query request definition:
<？xml?version＝＂1.0＂encoding＝＂UTF-8＂？>
<xs:schema xmlns:xs＝＂http://www.w3.org/2001/XMLSchema＂elementFormDefault＝＂qualified＂attributeFormDefault＝＂unqualified＂>
<xs:element?name＝＂sipmessage＂>
<xs:complexType>
<xs:sequence>
<xs:element?name＝＂query＂>
<xs:complexType>
<xs:sequence>
<xs:element?name＝＂proid＂type＝＂xs:string＂
default＝＂1.0＂/>
</xs:sequence>
</xs:complexType>
</xs:element>
</xs:sequence>
</xs:complexType>
</xs:element>
</xs:schema>
From top Schema definition as can be seen, by " element name " is set at ＂ query ＂, SIP short message service center can determine that this message is SMS query message.
Fig. 5 is the block diagram of an embodiment of SIP of the present invention short message service center.As shown in Figure 5, this SIP short message service center comprises short message memory module 61, request receiver module 62 and short message sending module 63.Wherein, short message memory module 61 is used to store short message.Request receiver module 62 is used to receive the SMS query request from client, extracts short message according to the SMS query request from the short message memory module, and the short message that extracts is sent to short message sending module 63.Comprise client identification in the SMS query request, request receiver module 62 extracts the short message corresponding with this client identification according to client identification from the short message memory module.Short message sending module 63 is used for receiving short message from the request receiver module, and short message is sent to the client that sends query requests.
Another embodiment according to SIP of the present invention short message service center, comprise authenticating unit in the request receiver module of SIP short message service center, this authenticating unit is carried out the short message service authentication according to the client identification that comprises in the SMS query request, if authentication is passed through, then extract short message from the short message memory module according to the SMS query request, otherwise, refuse this SMS query request.
Fig. 6 is the block diagram of an embodiment of SIP client of the present invention.As shown in Figure 6, this SIP client comprises that request sending module 61 and short message receive module 62.Wherein, request sending module 61 is used to the query requests that sends SMS message.This SMS query request meets predetermined form, comprising client identification.Short message receives module 62 and is used to receive short message.
The acquisition methods of SIP short message of the present invention and SIP short message service center and SIP client, initiatively initiate SMS query by the SIP client, for example solved in the SIP short message service because the problem of losing or can not in time receive of the not online short message that may cause of SIP client, satisfied user's needs.Method and apparatus of the present invention does not need to transform flexible exchanging network, only SIP client and SIP short message service center is improved, and has avoided the transformation to core net, and exploitativeness is strong, and implementation cost is low.
Description of the invention provides for example with for the purpose of describing, and is not exhaustively or limit the invention to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.Selecting and describing embodiment is for better explanation principle of the present invention and practical application, thereby and makes those of ordinary skill in the art can understand the various embodiment that have various modifications that the present invention's design is suitable for special-purpose.
Claims (8)
1. the acquisition methods of a Session initiation Protocol SIP short message is characterized in that, comprising:
The SIP client is to the SIP short message service center query requests that sends SMS message;
SIP short message service center is according to the short message in the described SMS query request extraction transmit queue;
SIP short message service center sends to described SIP client with the short message that extracts.
2. the acquisition methods of SIP short message according to claim 1 is characterized in that, SIP short message service center also comprises after receiving described SMS query request:
Described SIP short message service center carries out the short message service authentication according to the client identification that comprises in the SMS query request, after authentication is passed through, extracts respective user and is buffered in short message and receipt in the transmit queue.
3. according to the acquisition methods of claim 1 and 2 described SIP short messages, it is characterized in that described SIP client comprises to the send SMS message step of query requests of SIP short message service center:
The SIP client sends the SIP MESSAGE request of carrying SMS query;
SIP MESSAGE request arrives SIP short message service center through edge access control, soft switch;
SIP short message service center returns 202 responses, and soft switch is transmitted 202 responses to described SIP client.
4. the acquisition methods of SIP short message according to claim 3 is characterized in that, described SIP short message service center comprises the step that the short message that extracts sends to described SIP client:
SIP short message service center sends to described SIP client according to the priority of described short message with described short message.
5. a SIP short message service center is characterized in that, comprising:
The short message memory module is used to store short message;
The request receiver module is used to receive the SMS query request from client, extracts short message according to described SMS query request from described short message memory module, and the short message that extracts is sent to the short message sending module;
The short message sending module is used for receiving short message from the described request receiver module, and described short message is sent to described client.
6. SIP according to claim 5 short message service center, it is characterized in that, the described request receiver module comprises authenticating unit, be used for carrying out the short message service authentication according to the client identification that described SMS query request comprises, if authentication is passed through, then extract short message from described short message memory module according to described SMS query request, otherwise, described SMS query request refused.
7. according to claim 5 or 6 described SIP short message service centers, it is characterized in that described short message sending module is used for according to the priority of described short message described short message being sent to described client.
8. a SIP client is characterized in that, comprising:
Request sending module is used to the query requests that sends SMS message;
Short message receives module, is used to receive short message.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102469420A (en) * | 2010-11-12 | 2012-05-23 | 中兴通讯股份有限公司 | Method and device for saving overdue short messages |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102469420A (en) * | 2010-11-12 | 2012-05-23 | 中兴通讯股份有限公司 | Method and device for saving overdue short messages |
| CN102469420B (en) * | 2010-11-12 | 2015-06-03 | 中兴通讯股份有限公司 | Method and device for saving overdue short messages |
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Application publication date: 20090325 |