CN101098242B - Method for obtaining network connection information and network boundary entity - Google Patents
Method for obtaining network connection information and network boundary entity Download PDFInfo
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- CN101098242B CN101098242B CN200710074593.6A CN200710074593A CN101098242B CN 101098242 B CN101098242 B CN 101098242B CN 200710074593 A CN200710074593 A CN 200710074593A CN 101098242 B CN101098242 B CN 101098242B
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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
- H04L65/1066—Session management
- H04L65/1101—Session protocols
- H04L65/1104—Session initiation protocol [SIP]
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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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Abstract
The invention discloses a method for obtaining network connecting information and a relative network boundary solid, applied in IMS network or SIP network, wherein the method comprises that a network boundary solid receives the message outside network, to obtain relative network connecting information, the network boundary solid adds part or all network connecting information into the message sent into the network, and sending the message into the network, and when the network internal unit receives the message, according to the network connecting information in the message, processing service, and the internal service network unit according to the network connecting information of the message processes relative service.
Description
Technical field
The present invention relates to communication technical field, relate in particular to a kind of acquisition methods and network boundary entity of network connection information.
Background technology
IMS is the abbreviation of IP Multimedia System, IMS is the 3GPP subsystem that superposes on packet network, adopt the bearer path of packet domain for its control signaling and media delivery, introduce Session Initiation Protocol as professional control protocol, utilize simple, the easy expansion of SIP, media combination characteristics easily, by business control is separated with carrying control, provide abundant multimedia service.Fig. 1 has shown the IMS network architecture, as shown in the figure, main functional entity comprises controlling call entity CSCF, the home subscriber server HSS of centralized management user contracting data of functions such as control user registration, session control among the IMS, and the application server AS of miscellaneous service logic control function etc. is provided.
In 3GPP R7 version and TISPAN R1 version, introduced interconnection boundary Control functional entity IBCF.Based on the selection of operator, IBCF can be deployed between two IMS networks or between IMS network and other multi-media networks, as the carrier network border.Fig. 2 has shown the configuration diagram of IBCF, as shown in the figure, IBCF is by the SIP network element entity intercommunication of Mx interface and other IMS networks, as mutual with Proxy-Call Session Control Function entity P-CSCF, interrogation-call session control function entity I-CSCF, service-call session control function entity S-CSCF, Breakout Gateway Control Function entity B GCF, MGCF entity MGCF, interworking function entity IWF network element.IBCF passes through Gq ' interface and issues media information to resource and authorization control subsystem RACS, and RACS controls I-BGF by Ia interface, to carry out functions such as the conversion of media address territory, QoS control.
The IMS network is a special SIP network.
Continuous expansion along with IMS network application business, the business that some need provide different professional ability according to the network connection information of informed source has appearred, but the inventor finds in the invention process, existing SIP network and IMS network are when managing business, all can't obtain the network connection information in session source, make some traffic performances to distinguish, can't satisfy demands of applications.
Summary of the invention
In view of this, embodiments of the present invention provide a kind of acquisition methods and network boundary entity of network connection information, and IMS network or SIP network can't obtain the problem of the network connection information of informed source in the solution prior art.
Embodiments of the invention provide a kind of acquisition methods of network connection information, comprise the steps:
When network boundary entity receives the message of network-external, obtain the network connection information of described message correspondence;
The part or all of network connection information that network boundary entity will obtain joins in the message that network internal sends, and described message sent to network internal, after described network internal network element is received described message,, carry out Business Processing according to the network connection information in the message.
Embodiments of the invention also provide a kind of network boundary entity, comprise
Information receiving unit is used to receive the message that network-external is sent;
The network connection information acquiring unit is used for the message that receives according to described information receiving unit, obtains
Get the network connection information of described message correspondence;
Message processing unit is used for the part or all of network that the network connection information acquiring unit is acquired
Link information is added in the message that sends to network internal;
Transmitting element is used for the message with the message processing unit processing, sends to network internal.
Embodiments of the invention, by network boundary entity when receiving the message of network-external, obtain the network connection information of message correspondence, and the network connection information that obtains joined in the message that network internal sends, the business of network internal provides entity just can obtain the network connection information of informed source like this, thereby carrying out business according to network connection information triggers, differentiated service is handled or is provided in number analysis, route control, charging, make IMS network or SIP network that more services can be provided, make that the business realizing mode is more reasonable.
Description of drawings
Fig. 1 is the configuration diagram of existing IMS network.
Fig. 2 is the configuration diagram of existing IBCF entity in the IMS network.
Fig. 3 is the flow chart of an embodiment of acquisition methods of network connection information of the present invention.
Fig. 4 is the flow chart of another embodiment of acquisition methods of network connection information of the present invention.
Fig. 5 is the flow chart of another embodiment of acquisition methods of network connection information of the present invention.
Fig. 6 is the flow chart of another embodiment of acquisition methods of network connection information of the present invention.
Fig. 7 is the structural representation of network boundary entity in the embodiment of the invention.
Embodiment
The embodiment of the invention is by being positioned at IMS network or SIP network of network boundary solid when receiving the message of network-external, obtain the network connection information corresponding with this message, and the network connection information that obtains joined in the sip message that network internal sends, thereby make the inner network equipment can from sip message, obtain this network connection information, carry out business according to this network connection information and trigger, differentiated service is handled or is provided in number analysis, route control, charging.
The network boundary entity of indication refers to the network entity that is deployed in SIP network domains or IMS network domains border in the embodiment of the invention, perhaps is deployed in the network entity on carrier network intercommunication border.In the SIP network, network boundary entity can be sip agent entity, user agent entity UA or back-to-back user agent entity B 2BUA, in the IMS network, network boundary entity can be entity IWF, MGCF entity MGCF, interrogation-call session control function entity I-CSCF or Proxy-Call Session Control Function entity P-CSCF for interconnection boundary Control functional entity IBCF, IWF.
Network boundary entity in the embodiment of the invention can obtain the network connection information of message correspondence by one of following several modes or combination in any when receiving the message of network-external:
1, according to the content that receives message, can obtain protocol type information and interface message;
2,, can obtain the network information, border net element information and/or signaling link information according to the local configuration information of network boundary entity;
3, network boundary entity obtains network connection information by the network element of requester network outside;
Wherein,
The network information comprises network type (for example: public switch telephone network PSTN, Public Land Mobile Network PLMN, UMTS, flexible exchanging network SoftSwitch, SIP network, H.323 network, enterprise's Access Network, fixed access network, mobile Access Network etc.), network identity, network-level, the geography information of network, the operator's informaiton of network correspondence of opposite end etc.;
Protocol type information comprise 3GPP SIP, IETF SIP, H.323, BICC, ISUP etc.;
Interface message comprises protocol interfaces such as Mw, Ib, Iw, Gm;
Signaling link information comprise protocol type (for example UDP, TCP, SCTP, tls protocol etc.), the transport layer link information (for example: port numbers, link No. etc.) of transport layer, the protocol type of network layer (for example: the IP agreement), the address information of network layer (for example: the IP address), the information of data link layer (for example: VLAN ID information), if the static link that uses also comprises link corresponding number etc.;
The border net element information comprises type such as P-CSCF, IBCF, the MGCF etc. of border network element, the IP address of border network element, the positional information of border network element etc.
Network boundary entity can obtain corresponding network connection information according to service needed, and the network connection information that obtains is joined in the sip message that network internal sends.The method of carrying network connection information in sip message comprises: by increasing the mode of SIP header field, perhaps insert parameter in certain SIP header field.If when having had other network connection informations in the sip message that network boundary entity receives, network boundary entity can use new network connection information to cover already present network connection information, perhaps, new network connection information is added on the front of already present network connection information according to sequencing.
The Business Entity of network internal can be according to the network connection information in the sip message after receiving sip message, and the source of identification message is carried out business and triggered, and differentiated service is handled or provided in number analysis, route control, charging.
The sip message that will receive from network internal when network boundary entity is checked the network connection information in the sip message that sends, the full content or the part sensitive content of one of method deletion network connection information below adopting when network-external sends:
1, directly deletion;
2, judge whether next-hop network is trust domain, if not, then deletion;
3,, judge whether deletion according to the local policy of operator.
Be described further below by accompanying drawing.
Fig. 3 is the flow chart of an embodiment of acquisition methods of network connection information of the present invention, and this method is applied to the IMS network.As shown in Figure 3, this method comprises following flow process:
S31 network boundary entity P-CSCF receives intranet user's conversation request, according to conversation request information that receives and local configuration information, obtain corresponding network connection information, comprise enterprise network information in the described network connection information, and network connection information is added among the header field P-Network-Connection-Info of sip message expansion;
The sip message that S32 P-CSCF will have network connection information sends to IMS network internal entity S-CSCF;
After S33 S-CSCF receives sip message,, user conversation is triggered to handle on the professional corresponding Centrex application server of enterprise network handles according to the network connection information that includes enterprise network information that carries in the sip message;
S34 Centrex application server receives conversation request, handles relevant session service, and S-CSCF is given in the request of transmitting then;
After S35 S-CSCF receives request, carry out called number analysis and Route Selection, will talk about and be routed to selecteed BGCF according to network connection information.
Fig. 4 is the flow chart of another embodiment of acquisition methods of network connection information of the present invention, and as shown in Figure 4, this method is applied to the IMS network, and this method comprises following flow process:
S41 network boundary entity MGCF receives the call request message of setting up by ISDN User Part from PSTN, according to message that receives and local configuration information, obtain network connection information, comprise networking type (PSTN) information and protocol type (ISUP) information in the net link information, network connection information is added among the header field P-Network-Connection-Info of sip request message of expansion;
S42 MGCF is routed to I-CSCF with this sip request message;
After S43 I-CSCF received this sip request message, inquiry HSS obtained the S-CSCF that the called subscriber registers, and this sip request message is routed to corresponding S-CSCF;
After S44 S-CSCF receives this sip request message,, this sip request message is triggered on PES (PSTN simulation services) application server handles according to the network type in the network connection information (PSTN) information;
S45 PES application server receives conversation request, knows that from sip message the user is the calling that comes from the PSTN network, according to the network type (PSTN) of caller, implements corresponding charging policy.
Fig. 5 is the flow chart of another embodiment of acquisition methods of network connection information of the present invention.This method is applied to the IMS network, and as shown in Figure 5, this method comprises following flow process:
S51 S-CSCF receives conversation request message;
S52 is according to the filtering rule in user's the subscription data, session is triggered on PSS (PSTN analog service) application server handles;
S53 PSS AS application server receives this conversation request, handles session service, and continues to transmit conversation request to S-CSCF;
S54 S-CSCF receives this conversation request, continues to transmit conversation request to network boundary entity IBCF;
S55 network boundary entity IBCF receives this conversation request, check existing P-Network-Connection-Info header field information in the message, judge that called network is non-trust network, the sensitive information that deletion wherein comprises sends this conversation request then to the called network side;
S56 network boundary entity IBCF receives the session response message that called network returns;
S57 network boundary entity IBCF is according to the session response message and the local configuration information that receive, obtain network connection information, include the protocol type of called network in the described network connection information, network connection information is added in the P-Network-Connection-Info header field of response message of expansion, if there has been network connection information in the message, then new network connection information is added on the front of already present network connection information, this response message is sent to S-CSCF;
S58 S-CSCF is routed to PSS AS application server with response message, PSS AS application server is implemented different charging policy according to the protocol type of the called network in the network connection information in the message (3GPPSIP, IETF SIP, H.323, BICC, ISUP etc.);
S59 continues to transmit response message.
Fig. 6 is the flow chart of another embodiment of acquisition methods of network connection information of the present invention.As shown in Figure 6, this method comprises following flow process:
S61 IWF receives and comes from the H.323 call setup request message of network, according to call setup request message that receives and local configuration information, obtains network connection information, network connection information is added in the parameter of sip message header field;
S62 IWF sends to IBCF with this request message;
S63 IBCF receives conversation request message, transmits message and gives I-CSCF;
S64 I-CSCF receives the conversation request message of IBCF, and inquiry HSS obtains the S-CSCF of called subscriber's registration, the session request is forwarded to corresponding S-CSCF handles;
S65 S-CSCF receives conversation request, according to the filtering rule in user's the subscription data, session is triggered on the application server handles;
The S66 application server receives conversation request, according to the network connection information in the sip message, corresponds to inner call source, according to call source, carries out Business Processing such as Selective Incoming Call, called number analysis.
Fig. 7 is the structural representation of networking boundary solid in the embodiment of the invention.As shown in Figure 7, network boundary entity comprises
Information receiving unit is used to receive the message that network-external is sent;
The network connection information acquiring unit is used for the message that receives according to described information receiving unit, obtains corresponding network connection information;
Message processing unit is used for part or all of network connection information that the network connection information acquiring unit is acquired, adds to sending in the inner message;
Transmitting element is used for the message with the message processing unit processing, sends to network internal.
Described network boundary entity is applied to IMS network or SIP network, described network boundary entity can be the sip agent entity in the SIP network, user agent entity or back-to-back user agent entity, perhaps is interconnection boundary Control functional entity, interworking function entity, MGCF entity, interrogation-call session control function entity or the Proxy-Call Session Control Function entity in the IMS network.Then described message processing unit is used for part or all of network connection information that the network connection information acquiring unit is acquired, adds sending in the inner sip message to, and concrete grammar can be referring to method embodiment.
Described network boundary entity is memory cell further, is used to store the local configuration information that described network boundary entity is connected with external network, comprises interface type information, network type information, signaling link information etc.Then described network connection information acquiring unit can also obtain corresponding network connection information by following any method: mutual with memory cell, obtain corresponding network connection information; By sending query statement to memory cell, memory cell is returned corresponding network connection information according to query statement; By directly in memory cell, obtaining corresponding network connection information.As seen, the local configuration information that the network connection information acquiring unit can be connected with external network according to the described network boundary entity of storing in message that receives and/or the memory cell obtains the network connection information of message correspondence.
Described network boundary entity is delete cells further, is used for deleting the network connection information of the sip message that network internal sends, and concrete delet method can reference method embodiment.
Embodiments of the invention, by network boundary entity when receiving the message of network-external, obtain the network connection information of message correspondence, and the network connection information that obtains joined in the message that network internal sends, the business of network internal provides entity just can obtain the network connection information of informed source like this, thereby carrying out business according to network connection information triggers, differentiated service is handled or is provided in number analysis, route control, charging, make IMS network or SIP network that more services can be provided, make that the business realizing mode is more reasonable.
In a word, the above is the preferred embodiment of technical solution of the present invention only, is not to be used to limit protection scope of the present invention.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (13)
1. the acquisition methods of a network connection information is characterized in that, comprises the steps:
The network boundary device receives message from IP Multimedia System IMS network or SIP network-external, obtains the network connection information of described message correspondence; The part or all of network connection information that the network boundary device will obtain joins in the message of IMS network or the transmission of SIP network internal, and described message is sent to IMS network or SIP network internal;
After described IMS network or SIP network internal network element are received described message,, carry out Business Processing according to the network connection information in the message.
2. method according to claim 1, it is characterized in that, described network boundary device is sip agent device, user agent's device or the back-to-back user agent device in the SIP network, perhaps is interconnection boundary Control functional device, IWF device, MGCF device, interrogation-call session control function device or Proxy-Call Session Control Function device in the IMS network.
3. method according to claim 1 and 2, it is characterized in that described network connection information is one of the opposite end network of network information that is connected with IMS or SIP network, protocol type information, interface message, signaling link information, border net element information or combination in any.
4. method according to claim 1 is characterized in that described network boundary device obtains the method for the network connection information of described message correspondence, is one of following manner or combination in any:
Described network boundary device obtains according to message content;
Described network boundary device obtains according to the information of this locality configuration;
The network element of described network boundary device requester network outside obtains.
5. method according to claim 1, it is characterized in that, the part or all of network connection information that described network boundary device will obtain joins in the sip message that network internal sends, and realizes by increasing the sip message header field or increase parameter in the sip message header field.
6. method according to claim 5, it is characterized in that, after described network internal network element is received described sip message, according to the network connection information in the sip message, carry out Business Processing, be specially the Network device after receiving described sip message, according to the network connection information in the sip message, carry out business and trigger, differentiated service is handled or is provided in number analysis, route control, charging.
7. after method according to claim 1, described network boundary device receive the message that network internal sends, the full content or the part sensitive content of the network connection information in the message that one of method deletion network internal is sent below adopting:
Directly deletion;
Judge whether next-hop network is trust domain, if not, then deletion;
According to the local policy of operator, judge whether deletion.
8. a network boundary device is characterized in that, comprises
Information receiving unit is used to receive the message that IP Multimedia System IMS network or SIP network-external are sent;
The network connection information acquiring unit is used for the message that receives according to described information receiving unit, obtains the network connection information of described message correspondence;
Message processing unit is used for part or all of network connection information that the network connection information acquiring unit is acquired, adds in the message that sends to IMS network or SIP network internal;
Transmitting element is used for the message with the message processing unit processing, sends to IMS network or SIP network internal.
9. network boundary device according to claim 8, it is characterized in that, described network boundary device is sip agent device, user agent's device or the back-to-back user agent device in the SIP network, perhaps be interconnection boundary Control functional device, IWF device, MGCF device, interrogation-call session control function device or the Proxy-Call Session Control Function device in the IMS network
10. network boundary device according to claim 9 is characterized in that, described message processing unit is used for part or all of network connection information that the network connection information acquiring unit is acquired, adds in the sip message that sends to network internal.
11. network boundary device according to claim 8 is characterized in that, described network boundary device also comprises memory cell, is used to store the network connection information of local configuration.
12. network boundary device according to claim 11, it is characterized in that, described network connection information acquiring unit, the network connection information that is used for this locality configuration of the message that receives according to described information receiving unit and/or cell stores obtains the network connection information of described message correspondence.
13. network boundary device according to claim 8 is characterized in that, described network boundary device also comprises the network connection information delete cells, is used for deleting the network connection information of the message of sending from network internal.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710074593.6A CN101098242B (en) | 2007-05-28 | 2007-05-28 | Method for obtaining network connection information and network boundary entity |
| PCT/CN2008/070937 WO2008145044A1 (en) | 2007-05-28 | 2008-05-12 | Method for obtaining network connecting information and network boundary entity |
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| CN200710074593.6A CN101098242B (en) | 2007-05-28 | 2007-05-28 | Method for obtaining network connection information and network boundary entity |
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| CN101098242A CN101098242A (en) | 2008-01-02 |
| CN101098242B true CN101098242B (en) | 2010-12-08 |
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| CN102655613A (en) * | 2011-03-02 | 2012-09-05 | 中兴通讯股份有限公司 | Service triggering method and device |
| CN105306758B (en) * | 2014-07-29 | 2019-05-10 | 中国电信股份有限公司 | A kind of transfer approach, IBCF and IMS establishing enterprise network mark when calling |
| CN105634970B (en) * | 2014-11-06 | 2019-06-11 | 中国移动通信集团公司 | A kind of flow is examined and made cuts method, equipment and system |
| CN104363149B (en) * | 2014-12-08 | 2017-12-29 | 上海市共进通信技术有限公司 | The system and method for VOIP Network Expert Systems is realized based on Session Initiation Protocol |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1889560A (en) * | 2005-08-03 | 2007-01-03 | 华为技术有限公司 | User-oriented network topological hiddening method in internetwork protocol multi-media subsystem |
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| KR100910801B1 (en) * | 2005-05-02 | 2009-08-04 | 엘지전자 주식회사 | Method and device for sip session setup |
| CN101185305B (en) * | 2005-05-27 | 2012-08-29 | 艾利森电话股份有限公司 | Call forwarding in an IP multimedia subsystem (IMS) |
| CN100450292C (en) * | 2005-07-29 | 2009-01-07 | 华为技术有限公司 | User registration and conversation switching method in IP multimedia terminal and system |
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| CN1889560A (en) * | 2005-08-03 | 2007-01-03 | 华为技术有限公司 | User-oriented network topological hiddening method in internetwork protocol multi-media subsystem |
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| CN 1889560 A,说明书第12页19-13页5行,第15页2行-11行. |
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| CN101098242A (en) | 2008-01-02 |
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