CN1953465A - A method and installation to acquire access information - Google Patents
A method and installation to acquire access information Download PDFInfo
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- CN1953465A CN1953465A CN200610000907.3A CN200610000907A CN1953465A CN 1953465 A CN1953465 A CN 1953465A CN 200610000907 A CN200610000907 A CN 200610000907A CN 1953465 A CN1953465 A CN 1953465A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L61/00—Network arrangements, protocols or services for addressing or naming
- H04L61/50—Address allocation
- H04L61/5007—Internet protocol [IP] addresses
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/10—Architectures or entities
- H04L65/1016—IP multimedia subsystem [IMS]
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- Information Transfer Between Computers (AREA)
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Abstract
The invention relates to a method for obtaining access information. Wherein, it comprises that A, user terminal is distributed with IP address; B, based on said address, in contrast list, inquiring relative access information. The invention also discloses a user terminal, a proxy call conversation control solid, a server and an inquire system.
Description
Technical field
The present invention relates to network field, particularly relate to a kind of method and device that obtains access information.
Background technology
The purpose of the network integration is in order to carry out the communication of various information on a unified network, to help realizing " unified experience " of user when enjoying multiple communication service.
The fusion that present industry is relatively paid close attention to comprises: the fusion of the fusion of telecommunications network and the Internet, mobile network and fixed network etc.Wherein, IP Multimedia System (IMS) technology that 3GPP R5 version proposes is that IP-based mobile the fusion with fixed communication provides the foundation, and is thought an important stage of network evolution by industry.Many international and domestic organizing all in the network integration scheme of research based on IMS, purpose are to make IMS become the general-purpose platform of dialogue-based initializtion protocol (SIP) session, plurality of access modes such as support and move simultaneously fixing.
Part as the sip message header, the access information head comprises specific access technology relevant information, IMS territory entity will use this access information to finish some special access correlation functions, such as carrying out corresponding charging policy, select specific service call session control function entity (S-CSCF) etc. according to access style according to access style.
In IMS uses,, and be inserted in the sip message (being not limited to registration message) at present by user terminal (UE) encapsulation access information head.Referring to illustrated in figures 1 and 2, below the effect of access information head is described by register flow path.
1, UE sends login request message (Register) and gives P-CSCF.Carry access style (access-type) field (the access information head is described to some extent) of access information head in the described login request message in RFC 3455, be used for representing the access way of terminal, described access style can be WLAN mode, number loop fashion (XDSL) or 3G mode.
After described P-CSCF receives login request message, can in the access information head, add locating information (access-info) as required, the locating information (extension-access-info) of expansion, perhaps according to the difference of access style, select encapsulation 3GPP CGI information (cgi-3gPP), 3GPP Access Network sub-district id information (utran-cell-id-3gpp), perhaps DSL positional information (dsl-location).
2, P-CSCF finds the inlet (query call conversation control function entity (I-CSCF)) of home domain, and transmits login request message to it.
3, I-CSCF sends UAR message to home signature user server (HSS), determines whether this user has registered the IMS service, and operation permission.
4, HSS informs the relevant information of the S-CSCF that I-CSCF selects by UAA message.
5, I-CSCF transmits login request message to described S-CSCF address.After S-CSCF receives login request message, insert relevant information, carry out business control, make professional differentiation and handle according to the access style that wherein carries and other.
6-7, by the Cx interface message between S-CSCF and the HSS, in HSS, preserve the S-CSCF information of corresponding terminal.
8-10, S-CSCF transmit 200 OK corresponding message through I-CSCF and P-CSCF to UE successively.
Usually UE knows the access style that it is used before sending message, promptly the access information head can be encapsulated in the sip message.
But UE can't be known its access style sometimes.Pass through an access device access network such as UE, for UE, access way and its independent of service that will realize that access device adopts, so it does not need to know access way, and according to present agreement, it also can't know concrete access way.In this case, this UE can't encapsulate effective access information head.
According to present agreement, when not carrying effective access information head in the message that described UE sends, P-CSCF also can't obtain the access style of this UE.
In sum, effective access information head can't be known and carry to UE sometimes when network side sends sip message at present, causes the business of some special access correlation functions to launch.
Summary of the invention
The invention provides the method, user terminal, proxy call conversation control function entity, server and the inquiry system that obtain access information, in order to solve present user terminal when network side sends sip message, sometimes can't know and carry effective access information head, cause some and insert the problem that relevant business can't be launched.
The inventive method comprises step:
A, user terminal are assigned to the IP address;
B, with described IP address corresponding access information of inquiry from contrast tabulation.
By user terminal corresponding access information of inquiry from described contrast tabulation.
By proxy call conversation control function entity P-CSCF corresponding access information of inquiry from described contrast tabulation.
Described contrast tabulation is arranged among the described P-CSCF, and perhaps, described contrast tabulation is arranged in the independent network element.
Described contrast tabulation comprises that the IP address of mutual correspondence is risen and establishes address, IP end of address (EOA) address, access style and locating information.
Also comprise step: C after the described step B, the access information encapsulation back that inquires is inserted in the message.
By user terminal the access information encapsulation back that inquires is inserted in the message.
By P-CSCF the access information encapsulation back that inquires is inserted in the message.
If the access style in the described access information that inquires is different with the original access style of user terminal, then the described access information encapsulation back that inquires is inserted in the login request message, initiate registration again.
User terminal of the present invention comprises:
The inquiry proxy module, be used for the network element that is provided with contrast tabulation mutual, and the IP address corresponding access information of inquiry from described contrast tabulation that is assigned to according to local terminal.
Described terminal also comprises: the encapsulation insert module, the access information that is used for obtaining is encapsulated as the access information head, and inserts in the message.
A kind of proxy call conversation control function entity P-CSCF of the present invention comprises:
The information header identification module is used for discerning the message that user terminal sends and whether has the access information head;
Enquiry module is used to be provided with contrast tabulation, and judges when not having the access information head in the described message at described information header identification module, according to the corresponding inquiry in the IP address access information of user terminal.
Described P-CSCF also comprises: the encapsulation insert module, the access information that is used for obtaining is encapsulated as the access information head, and inserts in the message.
Another kind of proxy call conversation control function entity P-CSCF of the present invention comprises:
The information header identification module is used for discerning the message that user terminal sends and whether has the access information head;
The inquiry proxy module is used for when described information header identification module judges that there is not the access information head in described message, and is mutual with the network element that is provided with the contrast tabulation, and inquires about corresponding access information according to the IP address of user terminal from described contrast tabulation.
Described P-CSCF also comprises: the encapsulation insert module, the access information that is used for obtaining is encapsulated as the access information head, and inserts in the message.
Server of the present invention comprises:
Enquiry module is used to be provided with the contrast tabulation, and according to exporting behind the corresponding inquiry in the IP address in the message of the sending access information;
The query interface module is used to receive inquiry request message, and is transferred to described enquiry module, and the Query Result that described enquiry module is sent is fed back.
A kind of inquiry system of the present invention comprises:
Server is used to be provided with the contrast tabulation, in order to inquiry;
User terminal is used for the IP address corresponding access information of inquiry from the contrast tabulation of described server that is assigned to according to local terminal.
Another kind of inquiry system of the present invention comprises: user terminal,
Proxy call conversation control function entity, the corresponding access information of contrast tabulation inquiry that the IP address that is used for sending according to described user terminal is provided with from this locality.
Another inquiry system of the present invention comprises: user terminal,
Server is used to be provided with the contrast tabulation, in order to inquiry;
Proxy call conversation control function entity is used for IP address corresponding access information of inquiry from the contrast tabulation of described server of sending according to user terminal.
Beneficial effect of the present invention is as follows:
The present invention is according to the address planning of operator, the IP address that to contain mutual correspondence is worked the contrast tabulation of establishing address, IP end of address (EOA) address, access style and locating information and is arranged among the P-CSCF, perhaps be arranged on independently in the server, when needs are known the access information of user terminal, from the contrast tabulation, inquire about corresponding access style and locating information with the IP address that described user terminal is assigned to.Thereby finish the encapsulation of access information head, and be inserted in the message, the business of some special access correlation functions can be launched.
Further,, then the access information encapsulation back that inquires is inserted in the login request message, initiate registration again if the described access style that inquires is different with the original access style of user terminal (as: default type).Each network element in the system will upgrade the relevant information of this user terminal with described login request message like this, thereby can make the access probability of access service higher, and can not influence the enforcement of other type service owing to the present invention.
The present invention also provides a kind of user terminal, and it has added the inquiry proxy module, is used for ext nal network element alternately, and finishes the inquiry of subscriber terminal side.
The present invention also provides a kind of P-CSCF, and it has added enquiry module, is used to be provided with the contrast tabulation, and finishes inquiry.Further added the encapsulation insert module, the access information that is used for obtaining is encapsulated as the access information head, and inserts in the message.
The present invention also provides another kind of P-CSCF, and it has added the inquiry proxy module, is used for ext nal network element alternately, and finishes the inquiry of P-CSCF side.Further added the encapsulation insert module, the access information that is used for obtaining is encapsulated as the access information head, and inserts in the message.
The present invention also provides a kind of server, and it has added enquiry module, is used to be provided with the contrast tabulation, and finishes the output of inquiry back; The query interface module is used to receive query messages, and is transferred to described enquiry module, and the Query Result that described enquiry module is sent is fed back.
Three kinds of inquiry systems are also provided in conjunction with said apparatus the present invention.
Description of drawings
Fig. 1 is the IP Multimedia System networking diagram;
Fig. 2 is an existing register command flow chart in the IP Multimedia System;
Fig. 3 is a server architecture schematic diagram of the present invention;
Fig. 4 is a user terminal structural representation of the present invention;
Fig. 5 is first kind of agency-CSCF structural representation of the present invention;
Fig. 6 is second kind of agency-CSCF structural representation of the present invention;
Fig. 7 utilizes user terminal of the present invention to finish the system schematic of inquiry;
Fig. 8 utilizes first kind of agency-CSCF of the present invention to finish the system schematic of inquiry;
Fig. 9 utilizes second kind of agency-CSCF of the present invention to finish the system schematic of inquiry;
Figure 10 is the inventive method flow chart of steps;
Figure 11 utilizes user terminal of the present invention to finish the method signaling process figure of inquiry;
Figure 12 utilizes first kind of agency-CSCF of the present invention to finish the method signaling process figure of inquiry;
Figure 13 utilizes second kind of agency-CSCF of the present invention to finish the method signaling process figure of inquiry.
Embodiment
For at user terminal when network side sends sip message, can know and carry effective access information head, the invention provides a kind of server, referring to shown in Figure 3, it comprises: query interface module and the enquiry module that is attached thereto.
Described enquiry module is used to be provided with the contrast tabulation, and according to exporting behind the corresponding inquiry in the IP address in the message of the sending access information.
Described query interface module is used to receive inquiry request message, and is transferred to described enquiry module, and the Query Result that described enquiry module is sent is fed back.
The present invention also provides a kind of user terminal, and referring to shown in Figure 4, it comprises: the inquiry proxy module; Further comprise: the encapsulation insert module that links to each other with described inquiry proxy module.
Described inquiry proxy module is used for and described server interaction, and inquires about corresponding access information according to the IP address that local terminal is assigned to from described contrast tabulation.
Described encapsulation insert module, the access information that is used for obtaining is encapsulated as the access information head, and inserts in the message.
The present invention also provides first kind of P-CSCF, and referring to shown in Figure 5, it comprises: information header identification module and the enquiry module that is attached thereto; Further comprise: the encapsulation insert module that links to each other with described enquiry module.
Described information header identification module is used for discerning the message that user terminal sends and whether has the access information head.
Described enquiry module is used to be provided with contrast tabulation, and judges when not having the access information head in the described message at described information header identification module, according to the corresponding inquiry in the IP address access information of user terminal.
Described encapsulation insert module, the access information that is used for obtaining is encapsulated as the access information head, and inserts in the message.
The present invention also provides second kind of P-CSCF, and referring to shown in Figure 6, it comprises: information header identification module and the inquiry proxy module that is attached thereto; Further comprise: the encapsulation insert module that links to each other with described inquiry proxy module.
Described information header identification module is used for discerning the message that user terminal sends and whether has the access information head.
Described inquiry proxy module is used for when described information header identification module judges that there is not the access information head in described message, with described server interaction, and inquires about the access information of correspondence according to the IP address of user terminal from described contrast tabulation.
Described encapsulation insert module, the access information that is used for obtaining is encapsulated as the access information head, and inserts in the message.
In conjunction with said apparatus, the invention provides three kinds of inquiry systems.
System example one: referring to shown in Figure 7, it comprises: user terminal of the present invention, and the server of the present invention that is attached thereto.
Described server is used to be provided with the contrast tabulation, in order to inquiry.
Described user terminal is used for the IP address corresponding access information of inquiry from the contrast tabulation of described server that is assigned to according to local terminal.
System example two: referring to shown in Figure 8, it comprises: first kind of P-CSCF of the present invention, and the existing user terminal that is attached thereto.
Described P-CSCF, the corresponding access information of contrast tabulation inquiry that the IP address that is used for sending according to described user terminal is provided with from this locality.
System example three: referring to shown in Figure 9, it comprises: the existing user terminal of Xiang Lianing, second kind of P-CSCF of the present invention and server of the present invention successively.
Described server is used to be provided with the contrast tabulation, in order to inquiry.
Described P-CSCF is used for IP address corresponding access information of inquiry from the contrast tabulation of described server of sending according to user terminal.
Use said apparatus and system, the invention provides a kind of method of obtaining access information, referring to shown in Figure 10, it comprises the following steps:
S1, user terminal are assigned to the IP address.
S2, send inquiry request message.
S3, with described IP address corresponding access information of inquiry from contrast tabulation.
S4, issue the access information that inquires.
S5, finish the encapsulation of access information head, and insert in the message.
The example of corresponding above-mentioned three inquiry systems below specifically describes the inventive method by three examples.
Method example one: use user terminal of the present invention and finish inquiry.In conjunction with Figure 10, and, comprise following concrete steps referring to shown in Figure 11:
S101, user terminal are assigned to the IP address.
User terminal is when initiating to insert, and network side meeting dynamic assignment is given the IP address of an one temporary ip address and described server.
S102, send inquiry request message.
User terminal sends inquiry request message by its built-in inquiry proxy module to described server, and carry the IP address that this user terminal is assigned in this message according to the IP address of described server.
S103, with described IP address corresponding access information of inquiry from contrast tabulation.
Described server receives described inquiry request message by its built-in query interface module, and is transferred to the built-in enquiry module of described server.
Described enquiry module is according to the IP address of carrying in the message of sending corresponding inquiry access information from its inner contrast tabulation that is provided with, and described access information comprises: access style and locating information.Described contrast tabulation sees table:
| Sequence number | IP rises the address and establishes the address | IP end of address (EOA) address | Access style | Locating information |
| 1 | 10.121.a.a | 10.121.254.254 | 3GPP-GERAN | cgi-3gpp |
| 2 | 10.122.b.b | 10.121.254.254 | ADSL | dsl-location |
| 3 | ... | ... | ... | ... |
| 4 | ... | ... | ... | ... |
S104, issue the access information that inquires.
Described enquiry module is carried on it in feedback message, and is transferred to described query interface module after inquiring corresponding access information, and described query interface module is issued to described user terminal with described feedback message again.
If do not inquire corresponding access information, then inform not configuration of this IP address of described user terminal (promptly this IP address is not in described contrast tabulation) by feedback message, and report and alarm information and do corresponding statistics.
S105, finish the encapsulation of access information head, and insert in the message.
After described user terminal is received described feedback message, therefrom obtain access information.When the message that sends to network side need be carried the access information head, described user terminal utilized its built-in encapsulation insert module that described access information is encapsulated as the access information head, and is inserted in the described message.
Afterwards, the access information head that carries in this message can guarantee successfully to insert.
In order to make the present invention reach the better implement effect, user terminal has obtained access style from described feedback message after, itself and the original access style of this user terminal are made comparisons, and (described original access style can be the acquiescence access style, perhaps be the former access style that obtained by alternate manner), if it is identical, show that then original access style is still effective, so also need not to initiate again the IMS register flow path.
If inequality, show that then original access style lost efficacy.At this moment, send,, then may cause some business normally not implement because the log-on message that each network element of access information and network side is preserved is different if directly the access information in the described feedback message is encapsulated and is inserted in the related news and to network side.So the original access style of access style in comparing described feedback message and user terminal is (being that access style changes) not simultaneously, access information in the described feedback message is encapsulated and is inserted in the login request message, again initiate IMS register flow path (prior art), so that the related network elements of network side upgrades the log-on message (unanimity that promptly keeps information) of this user terminal according to described login request message, guarantee the normal enforcement of related service.
Method example two: use first kind of P-CSCF of the present invention and finish inquiry.In conjunction with Figure 10, and, comprise following concrete steps referring to shown in Figure 12:
S201, user terminal are assigned to the IP address.
User terminal is when initiating to insert, and network side can dynamic assignment be given an one temporary ip address.
S202, send inquiry request message.
According to existing procedure, user terminal sends the request of access to described P-CSCF, carries the IP address that user terminal is assigned in described access request.
Whether needs carry the access information head to described P-CSCF according to the rule judgment that disposes, if need carry, then whether there is the access information head in the access request of sending by the built-in information header identification module of described P-CSCF identification user terminal, if do not exist, then described P-CSCF activates its built-in enquiry module.
S203, with described IP address corresponding access information of inquiry from contrast tabulation.
Described enquiry module is with described IP address corresponding access information (being access style and locating information) of inquiry from its inner contrast tabulation that is provided with.Described contrast tabulation is identical with method example one.
If do not inquire corresponding access information, then report and alarm information does not dispose (promptly this IP address is not in described contrast tabulation) in order to inform this IP address, and does corresponding statistics.
S204, issue the access information that inquires.(this step of this example does not exist)
S205, finish the encapsulation of access information head, and insert in the message.
Described P-CSCF utilizes its built-in encapsulation insert module that described access information is encapsulated as the access information head, and is inserted in the described message.
Afterwards, the access information head that carries in this message can guarantee successfully to insert.
Again initiate the IMS register flow path, identical with method example one.
Method example three: use second kind of P-CSCF of the present invention and finish inquiry.In conjunction with Figure 10, and, comprise following concrete steps referring to shown in Figure 13:
S301, user terminal are assigned to the IP address.(identical) with the step S201 in the method example two
S302, send inquiry request message.
According to existing procedure, user terminal sends the request of access to described P-CSCF, carries the IP address that user terminal is assigned in described access request.
Whether needs carry the access information head to described P-CSCF according to the rule judgment that disposes, if need carry, then whether there is the access information head in the access request of sending by the built-in information header identification module of described P-CSCF identification user terminal, if do not exist, then described P-CSCF sends inquiry request message by its built-in inquiry proxy module to described server, and in IP address that this message carrying user terminal is assigned to.
S303, with described IP address corresponding access information of inquiry from contrast tabulation.(identical) with the step S103 in the method example one
S304, issue the access information that inquires.
Described enquiry module is carried on it in feedback message, and is transferred to described query interface module after inquiring corresponding access information, and described query interface module is issued to described P-CSCF with described feedback message again.
If do not inquire corresponding access information, then inform not configuration of this IP address of described P-CSCF (promptly this IP address is not in described contrast tabulation) by feedback message, and report and alarm information and do corresponding statistics.
S305, finish the encapsulation of access information head, and insert in the message.
After described P-CSCF receives described feedback message, therefrom obtain access information, and utilize its built-in encapsulation insert module that described access style and access information are encapsulated as the access information head, and be inserted in the described message.
Afterwards, the access information head that carries in this message can guarantee successfully to insert.
Again initiate the IMS register flow path, identical with method example one.
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 (20)
1, a kind of method of obtaining access information is characterized in that, comprises the following steps:
A, user terminal are assigned to the IP address;
B, with described IP address corresponding access information of inquiry from contrast tabulation.
2, the method for claim 1 is characterized in that, by user terminal corresponding access information of inquiry from described contrast tabulation.
3, the method for claim 1 is characterized in that, by proxy call conversation control function entity P-CSCF corresponding access information of inquiry from described contrast tabulation.
4, method as claimed in claim 3 is characterized in that, described contrast tabulation is arranged among the described P-CSCF.
As claim 2 or 3 described methods, it is characterized in that 5, described contrast tabulation is arranged in the independent network element.
6, method as claimed in claim 5 is characterized in that, described contrast tabulation comprises that the IP address of mutual correspondence is risen and establishes address, IP end of address (EOA) address, access style and locating information.
7, the method for claim 1 is characterized in that, also comprises step after the described step B:
C, the access information that will inquire encapsulate the back and insert in the message.
8, method as claimed in claim 7 is characterized in that, by user terminal the access information encapsulation back that inquires is inserted in the message.
9, method as claimed in claim 7 is characterized in that, by P-CSCF the access information encapsulation back that inquires is inserted in the message.
10, method as claimed in claim 7, it is characterized in that, if the access style in the described access information that inquires is different with the original access style of user terminal, then the described access information encapsulation back that inquires is inserted in the login request message, initiate registration again.
11, a kind of user terminal is characterized in that, comprising:
The inquiry proxy module, be used for the network element that is provided with contrast tabulation mutual, and the IP address corresponding access information of inquiry from described contrast tabulation that is assigned to according to local terminal.
12, terminal as claimed in claim 11 is characterized in that, described terminal also comprises:
The encapsulation insert module, the access information that is used for obtaining is encapsulated as the access information head, and inserts in the message.
13, a kind of proxy call conversation control function entity comprises:
The information header identification module is used for discerning the message that user terminal sends and whether has the access information head;
It is characterized in that described proxy call conversation control function entity P-CSCF also comprises:
Enquiry module is used to be provided with contrast tabulation, and judges when not having the access information head in the described message at described information header identification module, according to the corresponding inquiry in the IP address access information of user terminal.
14, P-CSCF as claimed in claim 13 is characterized in that, described P-CSCF also comprises:
The encapsulation insert module, the access information that is used for obtaining is encapsulated as the access information head, and inserts in the message.
15, a kind of proxy call conversation control function entity comprises:
The information header identification module is used for discerning the message that user terminal sends and whether has the access information head;
It is characterized in that described proxy call conversation control function entity P-CSCF also comprises:
The inquiry proxy module is used for when described information header identification module judges that there is not the access information head in described message, and is mutual with the network element that is provided with the contrast tabulation, and inquires about corresponding access information according to the IP address of user terminal from described contrast tabulation.
16, P-CSCF as claimed in claim 15 is characterized in that, described P-CSCF also comprises:
The encapsulation insert module, the access information that is used for obtaining is encapsulated as the access information head, and inserts in the message.
17, a kind of server is characterized in that, comprising:
Enquiry module is used to be provided with the contrast tabulation, and according to exporting behind the corresponding inquiry in the IP address in the message of the sending access information;
The query interface module is used to receive inquiry request message, and is transferred to described enquiry module, and the Query Result that described enquiry module is sent is fed back.
18, a kind of inquiry system is characterized in that, comprising:
Server is used to be provided with the contrast tabulation, in order to inquiry;
User terminal is used for the IP address corresponding access information of inquiry from the contrast tabulation of described server that is assigned to according to local terminal.
19, a kind of inquiry system comprises: user terminal,
It is characterized in that described system also comprises:
Proxy call conversation control function entity, the corresponding access information of contrast tabulation inquiry that the IP address that is used for sending according to described user terminal is provided with from this locality.
20, a kind of inquiry system comprises: user terminal,
It is characterized in that described system also comprises:
Server is used to be provided with the contrast tabulation, in order to inquiry;
Proxy call conversation control function entity is used for IP address corresponding access information of inquiry from the contrast tabulation of described server of sending according to user terminal.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610000907.3A CN1953465A (en) | 2005-10-20 | 2006-01-12 | A method and installation to acquire access information |
| PCT/CN2006/002793 WO2007045181A1 (en) | 2005-10-20 | 2006-10-20 | A method, system and device for obtaining access information |
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| Application Number | Priority Date | Filing Date | Title |
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| CN200510109267 | 2005-10-20 | ||
| CN200510109267.5 | 2005-10-20 | ||
| CN200610000907.3A CN1953465A (en) | 2005-10-20 | 2006-01-12 | A method and installation to acquire access information |
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| CN1953465A true CN1953465A (en) | 2007-04-25 |
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| WO (1) | WO2007045181A1 (en) |
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| CN113132348A (en) * | 2021-03-10 | 2021-07-16 | 国网江苏省电力有限公司信息通信分公司 | Automatic discovery method and device for SIP (Session initiation protocol) terminal of local area network |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103905500B (en) | 2012-12-27 | 2018-01-09 | 腾讯数码（天津）有限公司 | A kind of method and apparatus for accessing application server |
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| US6278874B1 (en) * | 1998-12-31 | 2001-08-21 | Nortel Networks Limited | Wireless communication system in which a termination access type is identified to a serving mobile switching center |
| CN1315302C (en) * | 2003-06-17 | 2007-05-09 | 华为技术有限公司 | Method for querying routing in the case of intercommunication between wireless local area network and mobile network |
| US7388855B2 (en) * | 2003-12-01 | 2008-06-17 | Telefonaktiebolaget Lm Ericsson (Publ) | Method for discovering a broadcast multicast services (BCMCS) controller in a packet data network |
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2006
- 2006-01-12 CN CN200610000907.3A patent/CN1953465A/en active Pending
- 2006-10-20 WO PCT/CN2006/002793 patent/WO2007045181A1/en active Application Filing
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113132348A (en) * | 2021-03-10 | 2021-07-16 | 国网江苏省电力有限公司信息通信分公司 | Automatic discovery method and device for SIP (Session initiation protocol) terminal of local area network |
| CN113132348B (en) * | 2021-03-10 | 2023-10-24 | 国网江苏省电力有限公司信息通信分公司 | Automatic discovery method and device for local area network SIP terminal |
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| Publication number | Publication date |
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| WO2007045181A1 (en) | 2007-04-26 |
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