CN107666522A - Roaming service customer's domain name analytic method and system, P CSCF, ENUM and DNS - Google Patents

Roaming service customer's domain name analytic method and system, P CSCF, ENUM and DNS Download PDF

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Publication number
CN107666522A
CN107666522A CN201610615132.4A CN201610615132A CN107666522A CN 107666522 A CN107666522 A CN 107666522A CN 201610615132 A CN201610615132 A CN 201610615132A CN 107666522 A CN107666522 A CN 107666522A
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China
Prior art keywords
domain name
control device
call session
session control
address
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Pending
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CN201610615132.4A
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Chinese (zh)
Inventor
张凝昊
彭莉
赵学军
杨征
王庆扬
张琳峰
马金兰
朱晓洁
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China Telecom Corp Ltd
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China Telecom Corp Ltd
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Priority to CN201610615132.4A priority Critical patent/CN107666522A/en
Publication of CN107666522A publication Critical patent/CN107666522A/en
Pending legal-status Critical Current

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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
    • H04L61/45—Network directories; Name-to-address mapping
    • H04L61/4557—Directories for hybrid networks, e.g. including telephone numbers
    • 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
    • H04L61/30—Managing network names, e.g. use of aliases or nicknames
    • H04L61/3015—Name registration, generation or assignment
    • H04L61/3025—Domain name generation or assignment
    • 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
    • H04L61/45—Network directories; Name-to-address mapping
    • H04L61/4505—Network directories; Name-to-address mapping using standardised directories; using standardised directory access protocols
    • H04L61/4511—Network directories; Name-to-address mapping using standardised directories; using standardised directory access protocols using domain name system [DNS]
    • 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
    • H04L61/45—Network directories; Name-to-address mapping
    • H04L61/4588—Network directories; Name-to-address mapping containing mobile subscriber information, e.g. home subscriber server [HSS]
    • 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]
    • 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
    • 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
    • H04L65/1073—Registration or de-registration
    • 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]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2101/00—Indexing scheme associated with group H04L61/00
    • H04L2101/30—Types of network names
    • H04L2101/385—Uniform resource identifier for session initiation protocol [SIP URI]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2101/00—Indexing scheme associated with group H04L61/00
    • H04L2101/60—Types of network addresses
    • H04L2101/618—Details of network addresses
    • H04L2101/654—International mobile subscriber identity [IMSI] numbers

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Business, Economics & Management (AREA)
  • General Business, Economics & Management (AREA)
  • Telephonic Communication Services (AREA)

Abstract

The present invention discloses a kind of roaming service customer's domain name analytic method and system, agent call session control device, telephone number mapping device and domain name system.This method includes：In response to the registration request of Subscriber Identity Module, CUSTOMER ID is extracted from the registration request；Belonging area network domain name and belonging area network entrance IP address are obtained from telephone number mapping device and domain name system according to CUSTOMER ID.The present invention can obtain belonging area network domain name and belonging area network entrance IP address by the IMSI included in URI that usim card is derived to ENUM/DNS.The present invention without newly-increased network element and with DRA mating interfaces, reduce data maintenance and coordinate difficulty；The cross-domain inquiries of HSS are avoided, it is roundabout to reduce path, alleviates network burden；More meet IMS Roaming standards frameworks, it is easy to accomplish cross operator and transnational roaming.

Description

Roaming service customer's domain name analytic method and system, P-CSCF, ENUM and DNS
Technical field
The present invention relates to the communications field, more particularly to a kind of roaming service customer's domain name analytic method and system, Proxy-Call meeting Talk about control device, telephone number mapping device and domain name system.
Background technology
VoLTE is Voice over LTE (Long Term Evolution, the Long Term Evolution of universal mobile communications technology) Abbreviation, in the full IP LTE network epoch, it is final voice solution.Based on IMS (IP Multimedia Subsystem, IP multimedia subsystem) VoLTE be 3GPP (3rd Generation Partnership Project, Third generation partnership project) standard scheme that defines, VoP is carried using LTE network, IMS network provides calling control System, support to provide the speech business suitable with traditional 2/3G circuit domains on an LTE network, including basic voice and supplementary service, Urgent call, interconnect, roam.
The existing USIM of 4G data users (know by Universal Subscriber Identity Module, Global Subscriber Not Ka) be stuck in authentication and business function in terms of can meet VoLTE demands, after VoLTE networks are built up, user need not change card VoLTE business just can be used.But existing VoLTE roaming scenarios Shortcomings in terms of belonging area network domain Name acquisition：
For usim card user, URI when standard IMS network flow can not be according to registration is directly inquired about, is routed to ownership Network.
Existing visited place (roaming place) I-CSCF (Interrogating-Call Session Control Function, Interrogation-call session control function) query scheme, DRA (Diameter Routing Agent, route agent's node) need to be increased newly Equipment and related mating interface, data commissioning is complex, and is unfavorable for realizing cross operator and transnational VoLTE roamings.
The content of the invention
In view of above technical problem, the invention provides a kind of roaming service customer's domain name analytic method and system, Proxy-Call Session control device, telephone number mapping device and domain name system, can be by the IMSI that is included in URI that usim card is derived Belonging area network domain name and belonging area network entrance IP address are obtained to ENUM/DNS.
According to an aspect of the present invention, there is provided a kind of roaming service customer's domain name analytic method, including：
In response to the registration request of Subscriber Identity Module, CUSTOMER ID is extracted from the registration request；
Belonging area network domain name and ownership place are obtained from telephone number mapping device and domain name system according to CUSTOMER ID Web portal IP address.
In one embodiment of the invention, it is described according to CUSTOMER ID from telephone number mapping device and domain name system Obtaining belonging area network domain name and belonging area network entrance IP address includes：
SIP-URI forms corresponding with the CUSTOMER ID are inquired about from telephone number mapping device according to CUSTOMER ID User mark；
Belonging area network domain name in being identified according to the user of SIP-URI forms is initiated belonging area network to domain name system and entered Mouth inquiry, obtain the IP address of ownership place inquiry-call session control device.
In one embodiment of the invention, it is described according to CUSTOMER ID from telephone number mapping device and domain name system After obtaining belonging area network domain name and belonging area network entrance IP address, in addition to：
The registration request is transmitted to ownership place inquiry-call session control device, so as to ownership place inquiry-calling meeting The address that control device inquires about ownership place Serving-Call session control device from the home signature user server of ownership place is talked about, And registration request is sent to ownership place Serving-Call session control device, complete registration.
According to another aspect of the present invention, there is provided a kind of roaming service customer's domain name analytic method, including：
The mark translation request of Receiving Agent-call session control device, wherein translation and inquiry request includes user Identification code, the Proxy-Call session control device send mark translation request in response to the registration request of Subscriber Identity Module；
CUSTOMER ID is extracted from mark translation request, and CUSTOMER ID is translated into the use of SIP-URI forms Family identifies；
User's mark of the SIP-URI forms is returned into Proxy-Call session control device, so as to Proxy-Call Belonging area network domain name during session control device identifies according to the user of the SIP-URI forms is initiated to belong to domain name system Ground Web portal inquiry, obtain the IP address of ownership place inquiry-call session control device.
According to another aspect of the present invention, there is provided a kind of roaming service customer's domain name analytic method, including：
The address lookup request of Receiving Agent-call session control device, wherein address lookup request includes SIP- Belonging area network domain name in user's mark of URI forms, the Proxy-Call session control device reflect in response to telephone number Injection device returns to user's mark of SIP-URI forms, sends address lookup request；
The belonging area network domain name is extracted from address lookup request, and according to the belonging area network domain name Inquiry obtains the IP address of ownership place inquiry-call session control device；
Ownership place is inquired about-IP address of call session control device returns to Proxy-Call session control device, so as to Registration request is transmitted to ownership place inquiry-call session control device by Proxy-Call session control device.
According to another aspect of the present invention, there is provided a kind of Proxy-Call session control device, including user identification code extraction Module and domain name addresses acquisition module, wherein：
User identification code extraction module, for the registration request in response to Subscriber Identity Module, carried from the registration request Take out CUSTOMER ID；
Domain name addresses acquisition module, return for being obtained according to CUSTOMER ID from telephone number mapping device and domain name system Possession domain names and belonging area network entrance IP address.
In one embodiment of the invention, domain name address acquisition module includes SIP-URI acquiring units and address Acquiring unit, wherein：
SIP-URI acquiring units, for being known according to CUSTOMER ID from the inquiry of telephone number mapping device with the user User's mark of SIP-URI forms corresponding to other code；
Address acquisition unit, for the belonging area network domain name in being identified according to the user of SIP-URI forms to domain name system System initiates the inquiry of belonging area network entrance, obtains the IP address of ownership place inquiry-call session control device.
In one embodiment of the invention, the Proxy-Call session control device also includes registration request forwarding mould Block, wherein：
Registration request forwarding module, filled for being mapped in domain name addresses acquisition module according to CUSTOMER ID from telephone number Put after obtaining belonging area network domain name and belonging area network entrance IP address with domain name system, the registration request is transmitted to Ownership place inquiry-call session control device, so that ownership place inquiry-call session control device is contracted from the ownership of ownership place Client server inquire about ownership place Serving-Call session control device address, and by registration request be sent to ownership place service- Call session control device, complete registration.
According to another aspect of the present invention, there is provided a kind of telephone number mapping device, including translation request receiving module, mark Know translation module and mark returns to module, wherein：
Request receiving module is translated, the mark for Receiving Agent-call session control device translates request, wherein described Translation and inquiry request includes CUSTOMER ID, and the Proxy-Call session control device please in response to the registration of Subscriber Identity Module Ask, send mark translation request；
Translation module is identified, for extracting CUSTOMER ID from mark translation request, and CUSTOMER ID is translated User into SIP-URI forms identifies；
Mark returns to module, for user's mark of the SIP-URI forms to be returned into Proxy-Call session control dress Put, so as to Proxy-Call session control device according to the user of the SIP-URI forms identify in belonging area network domain name to Domain name system initiates the inquiry of belonging area network entrance, obtains the IP address of ownership place inquiry-call session control device.
According to another aspect of the present invention, there is provided a kind of domain name system, including inquiry request receiving module, address lookup mould Block and address return to module, wherein：
Inquiry request receiving module, the address lookup for Receiving Agent-call session control device is asked, wherein described Address lookup request includes the belonging area network domain name in user's mark of SIP-URI forms, the Proxy-Call session control The user that device returns to SIP-URI forms in response to telephone number mapping device identifies, and sends address lookup request；
Address lookup module, for extracting the belonging area network domain name from address lookup request, according to institute State the IP address that belonging area network inquiry of the domain name obtains ownership place inquiry-call session control device；
Address returns to module, for ownership place is inquired about-IP address of call session control device returns to Proxy-Call Session control device, so that registration request is transmitted to ownership place inquiry-Call-Establish-Success rate by Proxy-Call session control device Device.
According to another aspect of the present invention, there is provided a kind of roaming service customer's domain name analysis system, it is characterised in that including as above State the Proxy-Call session control device described in any embodiment, the mapping dress of the telephone number as described in above-mentioned any embodiment Put and any of the above-described embodiment described in domain name system.
The IMSI included in the URI that is derived by usim card of the present invention to ENUM/DNS obtain belonging area network domain name and Belonging area network entrance IP address.The present invention without newly-increased network element and with DRA mating interfaces, reduce data maintenance coordinate it is difficult Degree；The cross-domain inquiries of HSS are avoided, it is roundabout to reduce path, alleviates network burden；More meet IMS Roaming standards frameworks, be easy to Realize cross operator and transnational roaming.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the schematic diagram of roaming service customer's domain name analysis system one embodiment of the present invention.
Fig. 2 is the schematic diagram of Proxy-Call session control device one embodiment of the present invention.
Fig. 3 is the schematic diagram of domain name addresses acquisition module in one embodiment of the invention.
Fig. 4 is the schematic diagram of the another embodiment of Proxy-Call session control device of the present invention.
Fig. 5 is the schematic diagram of roaming service customer's domain name analytic method one embodiment of the present invention.
Fig. 6 is the schematic diagram of telephone number mapping device one embodiment of the present invention.
Fig. 7 is the schematic diagram of another embodiment of roaming service customer's domain name analytic method of the present invention.
Fig. 8 is the schematic diagram of domain name system one embodiment of the present invention.
Fig. 9 is the schematic diagram of the another embodiment of roaming service customer's domain name analytic method of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.Below Description only actually at least one exemplary embodiment is illustrative, is never used as to the present invention and its application or makes Any restrictions.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creative work premise Lower obtained every other embodiment, belongs to the scope of protection of the invention.
Unless specifically stated otherwise, the part and positioned opposite, the digital table of step otherwise illustrated in these embodiments Do not limited the scope of the invention up to formula and numerical value.
Simultaneously, it should be appreciated that for the ease of description, the size of the various pieces shown in accompanying drawing is not according to reality Proportionate relationship draw.
It may be not discussed in detail for technology, method and apparatus known to person of ordinary skill in the relevant, but suitable In the case of, the technology, method and apparatus should be considered as authorizing part for specification.
In shown here and discussion all examples, any occurrence should be construed as merely exemplary, without It is as limitation.Therefore, the other examples of exemplary embodiment can have different values.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi It is defined, then it need not be further discussed in subsequent accompanying drawing in individual accompanying drawing.
Fig. 1 is the schematic diagram of roaming service customer's domain name analysis system one embodiment of the present invention.As shown in figure 1, the roaming (E.164Number user's domain name analysis system includes P-CSCF (Proxy-Call session control device), the ENUM of roaming place URI Mapping, telephone number mapping device) and DNS (Domain Name System, domain name system), wherein：
P-CSCF, for the registration request of the Subscriber Identity Module (such as usim card) in response to roaming service customer, from the note CUSTOMER ID is extracted in volume request, wherein, the CUSTOMER ID can be IMSI (International Mobile Subscriber Identification Number, international mobile subscriber identity)；According to CUSTOMER ID from telephone number Mapping device inquires about user's mark of SIP-URI forms corresponding with the CUSTOMER ID；According to the user of SIP-URI forms Belonging area network domain name in mark, the inquiry of belonging area network entrance is initiated to domain name system, obtains ownership place inquiry-calling meeting Talk about the IP address of control device；And the registration request is transmitted to ownership place inquiry-call session control device, to return Possession inquiry-call session control device inquires about ownership place Serving-Call session from the home signature user server of ownership place The address of control device, and registration request is sent to ownership place Serving-Call session control device, complete registration.
Wherein, CSCF (Call Session Control Function, CSCF device) is in IMS The most important functional entity in face, is divided into four types, proxy CSCF (P-CSCF, Proxy CSCF), inquiry CSCF (I-CSCF, Interrogating CSCF), serving CSCF (S-CSCF, Serving CSCF), urgent CSCF (E-CSCF, Emergency CSCF)。
URI is the abbreviation of Uniform Resource Identifier (Uniform Resource Identifier), and URI is in IMS network The identity of IMS user.SIP is the abbreviation of session initiation protocol (Session Initiation Protocol).
URI in IMS network has two kinds of forms of TEL URI and SIP URI, wherein, SIPURI uses sip:+ " user name The form of title@domain names/IP address port " represents an IMS user.Wherein, user's name can be user name or telephone number, Such as：
sip:smith@zte.com.cn
sip:+862512345000@zte.com.cn
sip:+862512345000@10.10.10.10:6000
ENUM, the mark for Receiving Agent-call session control device translates request, wherein the translation and inquiry is asked Including CUSTOMER ID；CUSTOMER ID is extracted from mark translation request, and CUSTOMER ID is translated into SIP-URI lattice User's mark of formula；User's mark of the SIP-URI forms is returned into P-CSCF.
DNS, the address lookup for Receiving Agent-call session control device are asked；From address lookup request The belonging area network domain name is extracted, and ownership place inquiry-call session is obtained according to the belonging area network inquiry of the domain name The IP address of control device；Ownership place is inquired about-IP address of call session control device returns to Proxy-Call session control Device.
The roaming service customer's domain name analysis system provided based on the above embodiment of the present invention, for existing usim card user unrestrained You Shi, the problem of can not directly inquiring belonging area network domain name, pass through and increase IMSI inquiries, translation work(newly in ENUM/DNS Can, realize that, when user's Roaming Registration, P-CSCF can obtain according to the IMSI included in the URI that usim card is derived to ENUM/DNS Take belonging area network domain name and belonging area network entrance IP address.Therefore compared to visited place I-CSCF issuers in the prior art Case, the above embodiment of the present invention without newly-increased network element and with DRA mating interfaces, reduce data maintenance and coordinate difficulty；Avoid The cross-domain inquiries of HSS, it is roundabout to reduce path, alleviates network burden；More meet IMS Roaming standards frameworks, it is easy to accomplish across fortune Seek business and transnational roaming.
The method that Fig. 1 embodiments also show in particular VoLTE roaming service customer's domain name mapping, as shown in figure 1, methods described Idiographic flow can include：
Step 1, usim card user derives the interim URI containing IMSI, and registration request is initiated to P-CSCF.
Step 2, P-CSCF receives backward ENUM and initiates SIP URI inquiries, and IMSI is translated into SIP URI and returned to by ENUM P-CSCF。
Step 3, belonging area network domain names of the P-CSCF in SIP URI initiates the inquiry of belonging area network entrance to DNS, Obtain ownership place I-CSCF IP address.
Step 4, registration request is transmitted to ownership place I-CSCF by P-CSCF.
Step 5, ownership place HSS (Home SubscriberServer, ownership signing are initiated after ownership place I-CSCF is received Client server) inquiry, and forwarded registration request according to the user attaching S-CSCF addresses of return.
Step 6, after ownership place S-CSCF receives registration request, complete to register by standards registration flow.
The roaming service customer's domain name analytic method provided based on the above embodiment of the present invention, by increasing branch in ENUM/DNS The SIPURI that IMSI is converted to and includes user attaching domain name is held, and increases SIP URI inquiries in P-CSCF register flow paths, it is real The home domain name inquiry to usim card user and ownership I-CSCF address acquisitions are showed.
Compared to visited place I-CSCF query schemes in the prior art, the above embodiment of the present invention without newly-increased network element and with DRA mating interfaces, reduce data maintenance and coordinate difficulty；The cross-domain inquiries of HSS are avoided, it is roundabout to reduce path, alleviates net Network is born；More meet IMS Roaming standards frameworks, it is easy to accomplish cross operator and transnational roaming.
Below by specific embodiment to the structure of P-CSCF, ENUM and DNS in roaming service customer's domain name analysis system and Function is described further.
Fig. 2 is the schematic diagram of Proxy-Call session control device one embodiment of the present invention.As shown in Fig. 2 Fig. 1 is implemented Proxy-Call session control device P-CSCF in example can include user identification code extraction module 21 and domain name addresses obtains mould Block 22, wherein：
User identification code extraction module 21, for the registration request in response to Subscriber Identity Module, from the registration request Extract CUSTOMER ID.
Domain name addresses acquisition module 22, for being obtained according to CUSTOMER ID from telephone number mapping device and domain name system Belonging area network domain name and belonging area network entrance IP address.
Fig. 3 is the schematic diagram of domain name addresses acquisition module in one embodiment of the invention.As shown in Fig. 2 in Fig. 2 embodiments Domain name addresses acquisition module 22 can include SIP-URI acquiring units 221 and address acquisition unit 222, wherein：
SIP-URI acquiring units 221, for being inquired about and the user from telephone number mapping device according to CUSTOMER ID User's mark of SIP-URI forms corresponding to identification code.
In one embodiment of the invention, SIP-URI acquiring units 221 are specific can be used for turning over to ENUM transmissions mark Request is translated, wherein translation and inquiry request includes CUSTOMER ID, so that CUSTOMER ID is translated as and the use by ENUM User's mark of SIP-URI forms corresponding to the identification code of family, and return to SIP-URI acquiring units 221.
Address acquisition unit 222, for the belonging area network domain name in being identified according to the user of SIP-URI forms to domain name System initiates the inquiry of belonging area network entrance, obtains the IP address of ownership place inquiry-call session control device.
In one embodiment of the invention, address acquisition unit 222 is specific can be used for returning to SIP- in response to ENUM The user of URI forms is identified to SIP-URI acquiring units 221, and ownership earth mat is extracted from user's mark of SIP-URI forms Network domain name；And address lookup request is sent to domain name system, wherein address lookup request includes the belonging area network domain Name, so as to domain name system inquires about ownership place-IP address of call session control device returns to address acquisition unit 222.
Fig. 4 is the schematic diagram of the another embodiment of Proxy-Call session control device of the present invention.With embodiment illustrated in fig. 2 phase Than, in the embodiment shown in fig. 4, the Proxy-Call session control device can also include registration request forwarding module 23, its In：
Registration request forwarding module 23, for being reflected in domain name addresses acquisition module 22 according to CUSTOMER ID from telephone number After injection device and domain name system obtain belonging area network domain name and belonging area network entrance IP address, the registration request is turned Ownership place inquiry-call session control device is issued, so that ownership place inquiry-call session control device is from the ownership of ownership place Assigned user server inquires about the address of ownership place Serving-Call session control device, and registration request is sent into ownership place Serving-Call session control device, complete registration.
The Proxy-Call session control device provided based on the above embodiment of the present invention, can be derived according to usim card URI in the IMSI that includes obtain belonging area network domain name and belonging area network entrance IP address to ENUM/DNS.Therefore compare In visited place I-CSCF query schemes in the prior art, the above embodiment of the present invention without newly-increased network element and with DRA mating interfaces, Reduce data maintenance and coordinate difficulty；The cross-domain inquiries of HSS are avoided, it is roundabout to reduce path, alleviates network burden；More meet IMS Roaming standards frameworks, it is easy to accomplish cross operator and transnational roaming.
Fig. 5 is the schematic diagram of roaming service customer's domain name analytic method one embodiment of the present invention.Preferably, the present embodiment can be by Proxy-Call session control device of the present invention performs.This method comprises the following steps：
Step 501, in response to the registration request of Subscriber Identity Module, CUSTOMER ID is extracted from the registration request.
Step 502, belonging area network domain name is obtained from telephone number mapping device and domain name system according to CUSTOMER ID And belonging area network entrance IP address.
In one embodiment of the invention, step 502 can specifically include：Reflected according to CUSTOMER ID from telephone number Injection device inquires about user's mark of SIP-URI forms corresponding with the CUSTOMER ID；Marked according to the user of SIP-URI forms Belonging area network domain name in knowledge initiates the inquiry of belonging area network entrance to domain name system, obtains ownership place inquiry-call session The IP address of control device.
In another embodiment of the invention, step 502 can specifically include：Mark translation request is sent to ENUM, its Described in translation and inquiry request include CUSTOMER ID, so that CUSTOMER ID is translated as and the CUSTOMER ID pair by ENUM The user's mark for the SIP-URI forms answered；Receive the user's mark for the SIP-URI forms that ENUM is returned；From SIP-URI forms Belonging area network domain name is extracted in user's mark；Address lookup request is sent to domain name system, wherein the address lookup please Ask including the belonging area network domain name；And receive ownership place inquiry-call session control device that domain name system returns IP address.
In one embodiment of the invention, step 502, methods described can also include：The registration request is forwarded To ownership place inquiry-call session control device, so that ownership place inquiry-call session control device is from the ownership label of ownership place The about address of client server inquiry ownership place Serving-Call session control device, and registration request is sent to ownership place clothes Business-call session control device, complete registration.
The roaming service customer's domain name analytic method provided based on the above embodiment of the present invention, can be derived according to usim card The IMSI included in URI obtains belonging area network domain name and belonging area network entrance IP address to ENUM/DNS.Therefore compared to Visited place I-CSCF query schemes in the prior art, the above embodiment of the present invention without newly-increased network element and with DRA mating interfaces, drop Low data maintenance coordinates difficulty；The cross-domain inquiries of HSS are avoided, it is roundabout to reduce path, alleviates network burden；More meet IMS Roaming standards frameworks, it is easy to accomplish cross operator and transnational roaming.
Fig. 6 is the schematic diagram of telephone number mapping device one embodiment of the present invention.As shown in fig. 6, in Fig. 1 embodiments Telephone number mapping device ENUM includes translation request receiving module 61, mark translation module 62 and mark and returns to module 63, its In：
Request receiving module 61 is translated, the mark for Receiving Agent-call session control device translates request, wherein institute Stating translation and inquiry request includes CUSTOMER ID (such as IMSI), and the Proxy-Call session control device is known in response to user The registration request not blocked, send mark translation request.
Translation module 62 is identified, for extracting CUSTOMER ID from mark translation request, and CUSTOMER ID is turned over It is translated into user's mark of SIP-URI forms.
Mark returns to module 63, for user's mark of the SIP-URI forms to be returned into Proxy-Call session control Device, the belonging area network domain name in being identified so as to Proxy-Call session control device according to the user of the SIP-URI forms The inquiry of belonging area network entrance is initiated to domain name system, obtains the IP address of ownership place inquiry-call session control device.
The telephone number mapping device provided based on the above embodiment of the present invention, support IMSI being converted to bag by increasing The SIP URI of the domain name containing user attaching mark translation module, facilitate P-CSCF and returned according to user attaching domain name to DNS query Belong to I-CSCF addresses.Therefore, compared to visited place I-CSCF query schemes in the prior art, the above embodiment of the present invention is without new Increase network element and with DRA mating interfaces, reduce data maintenance coordinate difficulty；The cross-domain inquiries of HSS are avoided, it is circuitous to reduce path Return, alleviate network burden；More meet IMS Roaming standards frameworks, it is easy to accomplish cross operator and transnational roaming.
Fig. 7 is the schematic diagram of another embodiment of roaming service customer's domain name analytic method of the present invention.Preferably, the present embodiment can be by Telephone number mapping device of the present invention performs.This method comprises the following steps：
Step 701, the mark translation request of Receiving Agent-call session control device, wherein the translation and inquiry is asked Including CUSTOMER ID, the Proxy-Call session control device sends mark and turned in response to the registration request of Subscriber Identity Module Translate request.
Step 702, CUSTOMER ID is extracted from mark translation request, and CUSTOMER ID is translated into SIP-URI User's mark of form.
Step 703, user's mark of the SIP-URI forms is returned into Proxy-Call session control device, so as to generation Reason-call session control device identified according to the user of the SIP-URI forms in belonging area network domain name to domain name system The inquiry of belonging area network entrance is initiated, obtains the IP address of ownership place inquiry-call session control device.
The roaming service customer's domain name analytic method provided based on the above embodiment of the present invention, IMSI can be converted to comprising use The SIP URI of family home domain name, facilitate P-CSCF and I-CSCF addresses are belonged to according to user attaching domain name to DNS query.Therefore, Compared to visited place I-CSCF query schemes in the prior art, the above embodiment of the present invention is docked without newly-increased network element and with DRA Interface, reduce data maintenance and coordinate difficulty；The cross-domain inquiries of HSS are avoided, it is roundabout to reduce path, alleviates network burden； More meet IMS Roaming standards frameworks, it is easy to accomplish cross operator and transnational roaming.
Fig. 8 is the schematic diagram of domain name system one embodiment of the present invention.As shown in figure 8, the domain name system in Fig. 1 embodiments DNS includes inquiry request receiving module 81, address lookup module 82 and address and returns to module 83, wherein：
Inquiry request receiving module 81, the address lookup for Receiving Agent-call session control device are asked, wherein institute State address lookup request include SIP-URI forms user identify in belonging area network domain name, the Proxy-Call session control The user that device processed returns to SIP-URI forms in response to telephone number mapping device identifies, and sends address lookup request.
Address lookup module 82, for extracting the belonging area network domain name, and root from address lookup request The IP address of ownership place inquiry-call session control device is obtained according to the belonging area network inquiry of the domain name.
Address returns to module 83, and for ownership place to be inquired about ,-IP address of call session control device, which returns to, to be acted on behalf of-exhales Session control device is, so that registration request is transmitted to ownership place inquiry-call session control by Proxy-Call session control device Device processed.
The domain name system provided based on the above embodiment of the present invention, it can be looked into according to the P-CSCF user attaching domain names provided The IP address for providing user ascription area inquiry-call session control device is ask, facilitating Proxy-Call session control device will note Volume request is transmitted to ownership place inquiry-call session control device.Therefore inquired about compared to visited place I-CSCF in the prior art Scheme, the above embodiment of the present invention without newly-increased network element and with DRA mating interfaces, reduce data maintenance and coordinate difficulty；Avoid HSS cross-domain inquiries, it is roundabout to reduce path, alleviates network burden；More meet IMS Roaming standards frameworks, it is easy to accomplish across Operator and transnational roaming.
Fig. 9 is the schematic diagram of the another embodiment of roaming service customer's domain name analytic method of the present invention.Preferably, the present embodiment can be by Domain name system of the present invention performs.This method comprises the following steps：
Step 901, the address lookup request of Receiving Agent-call session control device, wherein the address lookup is asked Belonging area network domain name in user's mark including SIP-URI forms, the Proxy-Call session control device is in response to electricity User's mark that number mapping device returns to SIP-URI forms is talked about, sends address lookup request.
Step 902, the belonging area network domain name is extracted from address lookup request, and according to the ownership place Domain names inquiry obtains the IP address of ownership place inquiry-call session control device.
Step 903, ownership place is inquired about-IP address of call session control device returns to Proxy-Call session control Device, so that registration request is transmitted to ownership place inquiry-call session control device by Proxy-Call session control device.
The domain name system provided based on the above embodiment of the present invention, it can be looked into according to the P-CSCF user attaching domain names provided The IP address for providing user ascription area inquiry-call session control device is ask, facilitating Proxy-Call session control device will note Volume request is transmitted to ownership place inquiry-call session control device.Therefore inquired about compared to visited place I-CSCF in the prior art Scheme, the above embodiment of the present invention without newly-increased network element and with DRA mating interfaces, reduce data maintenance and coordinate difficulty；Avoid HSS cross-domain inquiries, it is roundabout to reduce path, alleviates network burden；More meet IMS Roaming standards frameworks, it is easy to accomplish across Operator and transnational roaming.
User identification code extraction module 21 described above, domain name addresses acquisition module 22, registration request forwarding mould Block 23, translation request receiving module 61, mark translation module 62, mark return to module 63, inquiry request receiving module 81, address The functional units such as enquiry module 82, address return module 83 can be implemented as the general place for performing function described herein Manage device, programmable logic controller (PLC) (PLC), digital signal processor (DSP), application specific integrated circuit (ASIC), field-programmable Gate array (FPGA) either other PLDs, discrete gate or transistor logic, discrete hardware components or It is any appropriately combined.
So far, the present invention is described in detail.In order to avoid the design of the masking present invention, it is public that this area institute is not described Some details known.Those skilled in the art as described above, can be appreciated how to implement technology disclosed herein completely Scheme.
One of ordinary skill in the art will appreciate that hardware can be passed through by realizing all or part of step of above-described embodiment To complete, by program the hardware of correlation can also be instructed to complete, described program can be stored in a kind of computer-readable In storage medium, storage medium mentioned above can be read-only storage, disk or CD etc..
Description of the invention provides for the sake of example and description, and is not exhaustively or by the present invention It is limited to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.Select and retouch State embodiment and be to more preferably illustrate the principle and practical application of the present invention, and one of ordinary skill in the art is managed The present invention is solved so as to design the various embodiments with various modifications suitable for special-purpose.

Claims (11)

  1. A kind of 1. roaming service customer's domain name analytic method, it is characterised in that including：
    In response to the registration request of Subscriber Identity Module, CUSTOMER ID is extracted from the registration request；
    Belonging area network domain name and belonging area network are obtained from telephone number mapping device and domain name system according to CUSTOMER ID Entrance IP address.
  2. 2. according to the method for claim 1, it is characterised in that it is described according to CUSTOMER ID from telephone number mapping device Obtaining belonging area network domain name and belonging area network entrance IP address with domain name system includes：
    The use of SIP-URI forms corresponding with the CUSTOMER ID is inquired about from telephone number mapping device according to CUSTOMER ID Family identifies；
    Belonging area network domain name in being identified according to the user of SIP-URI forms is initiated belonging area network entrance to domain name system and looked into Ask, obtain the IP address of ownership place inquiry-call session control device.
  3. 3. method according to claim 1 or 2, it is characterised in that described to be mapped according to CUSTOMER ID from telephone number After device and domain name system obtain belonging area network domain name and belonging area network entrance IP address, in addition to：
    The registration request is transmitted to ownership place inquiry-call session control device, so as to ownership place inquiry-call session control Device processed inquires about the address of ownership place Serving-Call session control device from the home signature user server of ownership place, and will Registration request is sent to ownership place Serving-Call session control device, completes registration.
  4. A kind of 4. roaming service customer's domain name analytic method, it is characterised in that including：
    The mark translation request of Receiving Agent-call session control device, wherein translation and inquiry request includes user's identification Code, the Proxy-Call session control device send mark translation request in response to the registration request of Subscriber Identity Module；
    CUSTOMER ID is extracted from mark translation request, and CUSTOMER ID is translated into user's mark of SIP-URI forms Know；
    User's mark of the SIP-URI forms is returned into Proxy-Call session control device, so as to Proxy-Call session Belonging area network domain name during control device identifies according to the user of the SIP-URI forms initiates ownership earth mat to domain name system Network entrance is inquired about, and obtains the IP address of ownership place inquiry-call session control device.
  5. A kind of 5. roaming service customer's domain name analytic method, it is characterised in that including：
    The address lookup request of Receiving Agent-call session control device, wherein address lookup request includes SIP-URI lattice Belonging area network domain name in user's mark of formula, the Proxy-Call session control device maps in response to telephone number to be filled The user's mark for returning to SIP-URI forms is put, sends address lookup request；
    The belonging area network domain name is extracted from address lookup request, and according to the belonging area network inquiry of the domain name Obtain the IP address of ownership place inquiry-call session control device；
    Ownership place is inquired about-IP address of call session control device returns to Proxy-Call session control device, so as to generation Registration request is transmitted to ownership place inquiry-call session control device by reason-call session control device.
  6. 6. a kind of Proxy-Call session control device, it is characterised in that obtained including user identification code extraction module and domain name addresses Modulus block, wherein：
    User identification code extraction module, for the registration request in response to Subscriber Identity Module, extracted from the registration request CUSTOMER ID；
    Domain name addresses acquisition module, for obtaining ownership place from telephone number mapping device and domain name system according to CUSTOMER ID Domain names and belonging area network entrance IP address.
  7. 7. Proxy-Call session control device according to claim 6, it is characterised in that domain name address acquisition mould Block includes SIP-URI acquiring units and address acquisition unit, wherein：
    SIP-URI acquiring units, for being inquired about and the CUSTOMER ID from telephone number mapping device according to CUSTOMER ID User's mark of corresponding SIP-URI forms；
    Address acquisition unit, sent out for the belonging area network domain name in being identified according to the user of SIP-URI forms to domain name system The inquiry of belonging area network entrance is played, obtains the IP address of ownership place inquiry-call session control device.
  8. 8. the Proxy-Call session control device according to claim 6 or 7, it is characterised in that also turn including registration request Module is sent out, wherein：
    Registration request forwarding module, in domain name addresses acquisition module according to CUSTOMER ID from telephone number mapping device and After domain name system obtains belonging area network domain name and belonging area network entrance IP address, the registration request is transmitted to ownership Ground inquiry-call session control device, so that ownership place inquiry-call session control device is from the home signature user of ownership place The address of server lookup ownership place Serving-Call session control device, and registration request is sent to ownership place Serving-Call Session control device, complete registration.
  9. 9. a kind of telephone number mapping device, it is characterised in that including translation request receiving module, mark translation module and mark Module is returned, wherein：
    Request receiving module is translated, the mark for Receiving Agent-call session control device translates request, wherein the translation Inquiry request includes CUSTOMER ID, and the Proxy-Call session control device is in response to the registration request of Subscriber Identity Module, hair Go out mark translation request；
    Translation module is identified, for extracting CUSTOMER ID from mark translation request, and CUSTOMER ID is translated into User's mark of SIP-URI forms；
    Mark returns to module, for user's mark of the SIP-URI forms to be returned into Proxy-Call session control device, Belonging area network domain name in being identified so as to Proxy-Call session control device according to the user of the SIP-URI forms is to domain Name system initiates the inquiry of belonging area network entrance, obtains the IP address of ownership place inquiry-call session control device.
  10. 10. a kind of domain name system, it is characterised in that return to mould including inquiry request receiving module, address lookup module and address Block, wherein：
    Inquiry request receiving module, the address lookup for Receiving Agent-call session control device is asked, wherein the address Inquiry request includes the belonging area network domain name in user's mark of SIP-URI forms, the Proxy-Call session control device The user that SIP-URI forms are returned in response to telephone number mapping device identifies, and sends address lookup request；
    Address lookup module, for extracting the belonging area network domain name from address lookup request, returned according to described Possession domain names inquiry obtains the IP address of ownership place inquiry-call session control device；
    Address returns to module, for ownership place is inquired about-IP address of call session control device returns to Proxy-Call session Control device, filled so that registration request is transmitted to ownership place inquiry-Call-Establish-Success rate by Proxy-Call session control device Put.
  11. 11. a kind of roaming service customer's domain name analysis system, it is characterised in that including the generation as any one of claim 6-8 Domain described in reason-call session control device, telephone number mapping device as claimed in claim 9 and claim 10 Name system.
CN201610615132.4A 2016-07-29 2016-07-29 Roaming service customer's domain name analytic method and system, P CSCF, ENUM and DNS Pending CN107666522A (en)

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