CN110312243A - International roaming communication means, service control point node based on block chain - Google Patents
International roaming communication means, service control point node based on block chain Download PDFInfo
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- CN110312243A CN110312243A CN201910589611.7A CN201910589611A CN110312243A CN 110312243 A CN110312243 A CN 110312243A CN 201910589611 A CN201910589611 A CN 201910589611A CN 110312243 A CN110312243 A CN 110312243A
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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
- H04L61/4588—Network directories; Name-to-address mapping containing mobile subscriber information, e.g. home subscriber server [HSS]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/02—Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
- H04W8/08—Mobility data transfer
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/26—Network addressing or numbering for mobility support
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Abstract
Present disclose provides a kind of international roaming communication means based on block chain, applied to service control point node, when calling number is international roaming number, when called number is non-international roaming number, it include: the first call request for receiving the first call conversation control function entity and sending, it is group's call request in response to the first call request, the first broadcast message for carrying the first called short codes in the first call request is sent in affiliated block chain network, receive first called short codes corresponding first called long code of the first service control point node based on the first broadcast message feedback in block chain network, first called long code is sent to the first call conversation control function entity.The disclosure additionally provides a kind of service control point node, call conversation control function entity, telephone number mapping server.
Description
Technical field
The embodiment of the present disclosure is related to block chain technical field, in particular to international roaming communication means based on block chain,
Service control point node, call conversation control function entity, telephone number mapping server.
Background technique
With the development of internet and block chain technology, internet and block chain technology are widely used to each neck
Domain.And due to terminal user to the diversified demand of the communications field, internet and block chain technology the communications field be even more by
Favor.
In the prior art, when international roaming occurs for group user, if group user A travels abroad or goes on business, from foreign countries
When calling national group user B (i.e. group user A calling is the corresponding cornet of group user B), as where group user A
Call request is sent to the international gateway where group user B by international gateway, and then realizes communication connection.
Summary of the invention
The embodiment of the present disclosure provides a kind of international roaming communication means based on block chain, service control point node, calling
Conversation control function entity, telephone number mapping server.
In a first aspect, the embodiment of the present disclosure provides a kind of international roaming communication means based on block chain, it is applied to industry
Business control point node, when calling number is international roaming number, and called number is non-international roaming number, the international roaming
Communication means includes:
Receive the first call request of the first call conversation control function entity transmission；
It is group's call request in response to first call request, is sent in affiliated block chain network and carry described the
First broadcast message of the first called short codes in one call request；
Receive institute of the first service control point node based on the first broadcast message feedback in the block chain network
State the corresponding first called long code of the first called short codes；
Described first called long code is sent to first call conversation control function entity.
In some embodiments, the international roaming communication means further include:
The carrying second that the second service control point node in block chain network belonging to receiving is sent is called the of short codes
Two broadcast messages；
The second called long code corresponding with the described second called short codes is chosen from the preset long cornet table of comparisons；
Described second called long code is broadcasted in the block chain network, so as to second service control point
Node obtains the second called long code.
According to the other side of the embodiment of the present disclosure, the embodiment of the present disclosure additionally provides a kind of world based on block chain
Roaming communication method is applied to call conversation control function entity, and when calling number is international roaming number, called number is non-
When international roaming number, the international roaming communication means includes:
The corresponding third service control point node of calling number is determined according to the second call request received；
Second call request is sent to the third service control point node, and receives the third Service control
The third of point node feeding back is called the corresponding third of short codes and is called long code；
The first query information is sent to telephone number mapping server, and receives the telephone number mapping server feedback
The third be called long code the first domain name；
Determine that the third is called the corresponding operator's net of long code according to the first domain name that the third is called long code
First address information of network；
Second call request and first address information are sent to First International's gateway exchange, so as to described first
Second call request is sent to the second call session control function reality according to first address information by international gateway
Body.
Preferably, the international roaming communication means further include:
Receive the third call request that Second International's gateway exchange is sent according to the second address information；
The third call request is sent to application server；
If receiving the information of the application server feedback as its input field selected is internet protocol multimedia
The domain system (IMS, Internet protocol Multimedia Subsystem) is then determined according to the third call request
Service control point application server；
The third call request is sent to the service control point application server.
According to the other side of the embodiment of the present disclosure, the embodiment of the present disclosure additionally provides a kind of world based on block chain
Roaming communication method is applied to telephone number mapping server, and when calling number is international roaming number, called number is non-state
When internet roaming number, the international roaming communication means includes:
Receive the second query information that third call conversation control function entity is sent；
Generate corresponding second domain name of the 4th called long code in second query information；
Second domain name is sent to the third call conversation control function entity.
In some embodiments, corresponding second domain of the 4th called long code generated in second query information
Name, comprising:
Obtain the described 4th called corresponding carrier network mark of long code and national label；
Second domain name is generated according to carrier network mark and the national label.
According to the other side of the embodiment of the present disclosure, the embodiment of the present disclosure additionally provides a kind of service control point node,
When calling number is international roaming number, and called number is non-international roaming number, the service control point node includes:
First receiving module, for receiving the first call request of the first call conversation control function entity transmission；
First sending module, for being group's call request in response to first call request, in affiliated block link network
The first broadcast message for carrying the first called short codes in first call request is sent in network；
First receiving module is also used to, and the first service control point node received in the block chain network is based on institute
State the corresponding first called long code of the described first called short codes of the first broadcast message feedback；
First sending module is also used to, and the described first called long code is sent to first Call-Establish-Success rate
Functional entity.
Preferably, the service control point node further include:
First receiving module is also used to, and receives what the second service control point node in affiliated block chain network was sent
Carry the second broadcast message of the second called short codes；
Module is chosen, for choosing and the described second called short codes corresponding second from the preset long cornet table of comparisons
Called long code；
Broadcast module, for broadcasting the described second called long code in the block chain network, so as to described
Second service control point node obtains the second called long code.
According to the other side of the embodiment of the present disclosure, the embodiment of the present disclosure additionally provides a kind of call session control function
Entity, when calling number is international roaming number, and called number is non-international roaming number, comprising:
Determining module, for determining the corresponding third service control point of calling number according to the second call request received
Node；
Second sending module for second call request to be sent to the third service control point node, and connects
The third for receiving the third service control point node feeding back is called the corresponding third of short codes and is called long code；
Second sending module is also used to, and sends the first query information to telephone number mapping server；
Second receiving module, the third for receiving the telephone number mapping server feedback are called long code
First domain name；
The determining module is also used to, and determines the called length of the third according to the first domain name that the third is called long code
First address information of the corresponding carrier network of number；
Second sending module is also used to, and second call request and first address information are sent to first
International gateway, so that second call request is sent to by First International's gateway exchange according to first address information
Second call conversation control function entity.
Preferably, second receiving module is also used to, and is received Second International's gateway exchange and is sent according to the second address information
Third call request；
Second sending module is also used to, and second call request is sent to application server；
The determining module is also used to, if the information for receiving the application server feedback is the input field of its selection
For IMS domain, then service control point application server is determined according to the third call request；
Second sending module is also used to, and the third call request is sent to the service control point application service
Device.
According to the other side of the embodiment of the present disclosure, the embodiment of the present disclosure additionally provides a kind of telephone number mapping services
Device, when calling number is international roaming number, and called number is non-international roaming number, the telephone number mapping server
Include:
Third receiving module, for receiving the second query information of third call conversation control function entity transmission；
Generation module, for generating corresponding second domain name of the 4th called long code in second query information；
Third sending module, for second domain name to be sent to the third call conversation control function entity.
In some embodiments, the generation module is specifically used for:
Obtain the described 4th called corresponding carrier network mark of long code and national label；
Second domain name is generated according to carrier network mark and the national label.
The first call request that the first call conversation control function entity of reception that the embodiment of the present disclosure provides is sent, response
It is group's call request in the first call request, the first quilt carried in the first call request is sent in affiliated block chain network
It cries the first of short codes to broadcast the message, receives the first service control point node in block chain network and be based on the first broadcast message instead
The corresponding first called long code of the called short codes of the first of feedback, is sent to the first Call-Establish-Success rate for the first called long code
The technical solution of functional entity, avoid call request in the prior art can not by timely response, cause call can not normally into
Row or when the problem of extending, by believing using the unique faith mechanism of block chain network is synchronous between different operators
Breath realizes the effect for ensuring user's normal communication convenient for the timely synchronous and supervision of information.
Detailed description of the invention
The drawings are intended to provide a further understanding of the invention, and constitutes part of specification, with following tool
Body embodiment is used to explain the present invention together, but is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the schematic diagram according to the international roaming communication means based on block chain of the embodiment of the present disclosure；
Fig. 2 is the schematic diagram according to the international roaming communication means based on block chain of another embodiment of the disclosure；
Fig. 3 is the schematic diagram according to the international roaming communication means based on block chain of another embodiment of the disclosure；
Fig. 4 is the schematic diagram according to the international roaming communication means based on block chain of another embodiment of the disclosure；
Fig. 5 is the schematic diagram according to the international roaming communication means based on block chain of another embodiment of the disclosure；
Fig. 6 is the schematic diagram according to the service control point node of the embodiment of the present disclosure；
Fig. 7 is the schematic diagram according to the call conversation control function entity of the embodiment of the present disclosure；
Fig. 8 is the schematic diagram according to the telephone number mapping server of the embodiment of the present disclosure；
Appended drawing reference:
1, the first receiving module, the 2, first sending module, 3, selection module, 4, broadcast module, 5, determining module, 6, second
Sending module, the 7, second receiving module, 8, third receiving module, 9, generation module, 10, third sending module.
Specific embodiment
Below in conjunction with attached drawing, detailed description of the preferred embodiments.It should be understood that this place is retouched
The specific embodiment stated is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
According to the one aspect of the embodiment of the present disclosure, the embodiment of the present disclosure provides the communication of the international roaming based on block chain
Method is applied to service control point node.
Referring to Fig. 1, Fig. 1 is the signal according to the international roaming communication means based on block chain of the embodiment of the present disclosure
Figure.
As shown in Figure 1, when calling number is international roaming number, when called number is non-international roaming number, this method
Include:
In step slo, service control point node receives the first calling that the first call conversation control function entity is sent
Request.
In step s 11, service control point node is group's call request in response to the first call request, in affiliated block
The first broadcast message for carrying the first called short codes in the first call request is sent in chain network.
In step s 12, service control point node receives the first service control point node in block chain network and is based on the
The corresponding first called long code of the called short codes of the first of one broadcast message feedback.
In step s 13, the first called long code is sent to the first call session control function by service control point node
Entity.
It is understood that caller and it is called be relative concept.That is, be currently user's (or number) of caller,
It may be called user's (or number) in other calling relationships.
Similarly, service control point node is the service control point node of caller in certain calling relationships, and exhales certain
Crying is called service control point node in relationship.
In the present embodiment, when service control point node is the service control point node of caller, then the first call session
Control function entity is the call conversation control function entity of caller, and the first service control point node is called service control point
Node.
In conjunction with Fig. 2 it is found that in some embodiments, which includes:
In step S20, service control point node receives the second service control point node hair in affiliated block chain network
The carrying sent second is called the second broadcast message of short codes.
In the step s 21, service control point node is chosen and the second called short codes from the preset long cornet table of comparisons
Corresponding second called long code.
In step S22, service control point node broadcasts the second called long code in block chain network, so as to
Second service control point node obtains the second called long code.
In the present embodiment, when service control point node is called service control point node, then the second Service control
Point node is the service control point node of caller.
According to the other side of the embodiment of the present disclosure, it is logical that the embodiment of the present disclosure provides the international roaming based on block chain
Letter method is applied to call conversation control function entity.
Referring to Fig. 3, Fig. 3 is showing according to the international roaming communication means based on block chain of another embodiment of the disclosure
It is intended to.
As shown in figure 3, when calling number is international roaming number, when called number is non-international roaming number, the world
Roaming communication method includes:
In step s 30, call conversation control function entity determines calling number according to the second call request received
Corresponding third service control point node；
In step S31, the second call request is sent to third service control point section by call conversation control function entity
Point, and the third for receiving third service control point node feeding back is called the corresponding third of short codes and is called long code；
In step s 32, call conversation control function entity sends the first query information to telephone number mapping server,
And the third for receiving telephone number mapping server feedback is called the first domain name of long code；
In step S33, call conversation control function entity determines third according to the first domain name that third is called long code
First address information of the called corresponding carrier network of long code；
In step S34, the second call request and the first address information are sent to by call conversation control function entity
One international gateway, so that the second call request is sent to the second calling meeting according to the first address information by First International's gateway exchange
Talk about control function entity.
Similarly, call conversation control function entity may be the call conversation control function entity of caller, it is also possible to be quilt
The call conversation control function entity cried.In the present embodiment, when the call session that call conversation control function entity is caller
When control function entity, then third service control point node is the service control point node of caller, based on First International's gateway exchange
The international gateway cried, the second call conversation control function entity are called call conversation control function entity.
In conjunction with Fig. 4 it is found that in some embodiments, the international roaming communication means further include:
In step s 40, call conversation control function entity receives Second International's gateway exchange and is sent out according to the second address information
The third call request sent；
In step S41, third call request is sent to application server by call conversation control function entity；
In step S42, if the information that call conversation control function entity receives application server feedback is selected for it
The input field selected is IMS domain, then determines service control point application server according to third call request；
In step S43, third call request is sent to service control point application clothes by call conversation control function entity
Business device.
In the present embodiment, when call conversation control function entity is called call conversation control function entity, the
Two international gateways are the international gateway of caller, and application server is called application server, service control point application clothes
Business device is called service control point application server.
According to the other side of the embodiment of the present disclosure, it is logical that the embodiment of the present disclosure provides the international roaming based on block chain
Letter method is applied to telephone number mapping server.
Referring to Fig. 5, Fig. 5 is showing according to the international roaming communication means based on block chain of another embodiment of the disclosure
It is intended to.
As shown in figure 5, when calling number is international roaming number, when called number is non-international roaming number, the world
Roaming communication method includes:
In step s 50, telephone number mapping server receives second that third call conversation control function entity is sent
Query information.
In step s 51, it is corresponding to generate the 4th called long code in the second query information for telephone number mapping server
The second domain name.
In step S52, the second domain name is sent to third call session control function reality by telephone number mapping server
Body.
In the present embodiment, third call conversation control function entity is the call conversation control function entity of caller.
In some embodiments, step S51 includes:
In S51-1, telephone number mapping server obtain the corresponding carrier network mark of the 4th called long code and
National label.
In S51-2, telephone number mapping server generates the second domain name according to carrier network mark and national label.
Referring to Fig. 6, Fig. 6 is the schematic diagram according to the service control point node of the embodiment of the present disclosure.
As shown in fig. 6, when calling number is international roaming number, when called number is non-international roaming number, the business
Control point node includes:
First receiving module 1, for receiving the first call request of the first call conversation control function entity transmission.
First sending module 2, for being group's call request in response to the first call request, in affiliated block chain network
Send the first broadcast message for carrying the first called short codes in the first call request.
First receiving module 1 is also used to, and is received the first service control point node in block chain network and is based on the first broadcast
The corresponding first called long code of the called short codes of the first of message feedback.
First sending module 2 is also used to, and the first called long code is sent to the first call conversation control function entity.
In conjunction with Fig. 6 it is found that in some embodiments, which includes:
First receiving module 1 is also used to, and receives taking for the second service control point node transmission in affiliated block chain network
The second broadcast message with the second called short codes.
Module 3 is chosen, for choosing the second quilt corresponding with the second called short codes from the preset long cornet table of comparisons
It is long code.
Broadcast module 4, for broadcasting the second called long code in block chain network, so as to the second Service control
Point node obtains the second called long code.
According to the other side of the embodiment of the present disclosure, the embodiment of the present disclosure provides call conversation control function entity.
Referring to Fig. 7, Fig. 7 is the schematic diagram according to the call conversation control function entity of the embodiment of the present disclosure.
As shown in fig. 7, when calling number is international roaming number, when called number is non-international roaming number, the calling
Conversation control function entity includes:
Determining module 5, for determining the corresponding third Service control of calling number according to the second call request received
Point node.
Second sending module 6 for the second call request to be sent to third service control point node, and receives third industry
The third of business control point node feeding back is called the corresponding third of short codes and is called long code.
Second sending module 6 is also used to, and sends the first query information to telephone number mapping server；
Second receiving module 7, the third for receiving telephone number mapping server feedback are called the first domain of long code
Name.
Determining module 5 is also used to, and it is corresponding to determine that third is called long code according to the first domain name that third is called long code
First address information of carrier network；
Second sending module 6 is also used to, and the second call request and the first address information are sent to First International's gateway exchange,
So that the second call request is sent to the second call session control function reality according to the first address information by First International's gateway exchange
Body.
In some embodiments,
Second receiving module 7 is also used to, and is received Second International's gateway exchange and is called according to the third that the second address information is sent
Request；
Second sending module 6 is also used to, and the second call request is sent to application server；
Determining module 5 is also used to, if the information for receiving application server feedback for its input field selected is IMS
Domain then determines service control point application server according to third call request；
Second sending module 6 is also used to, and third call request is sent to service control point application server.
According to the other side of the embodiment of the present disclosure, the embodiment of the present disclosure provides telephone number mapping server.
Referring to Fig. 8, Fig. 8 is the schematic diagram according to the telephone number mapping server of the embodiment of the present disclosure.
As shown in figure 8, when calling number is international roaming number, when called number is non-international roaming number, the phone
Number mapping server includes:
Third receiving module 8, for receiving the second query information of third call conversation control function entity transmission.
Generation module 9, for generating corresponding second domain name of the 4th called long code in the second query information.
Third sending module 10, for the second domain name to be sent to third call conversation control function entity.
In some embodiments, generation module 9 is specifically used for:
Obtain the 4th called corresponding carrier network mark of long code and national label.
The second domain name is generated according to carrier network mark and national label.
It is more thorough to solve the scheme to the embodiment of the present disclosure, now in conjunction with specific example to the embodiment of the present disclosure
Scheme is explained in detail.Wherein, the first user and second user are two users of same group, and two use are open-minded per family
VoLTE business, and be China Unicom user.To meet work requirements, the first user goes to the U.S. to go on business by China, and
The U.S. sends call request to second user.That is, the first user is calling subscriber, second user is called subscriber.Specifically:
It is understood that the first user behind the U.S., needs to register in the U.S..If the first user is in U.S.'s registered ims
Domain then needs to complete the process registered and authenticated.Specific registration process can be found in the prior art.
Second user (called subscriber) is called the first user (calling subscriber), i.e. the first user passes through user terminal UE-A
When dialing the cornet of second user, by need to first establish user terminal UE-A and U.S. base station, U.S.'s mobile management entity etc. is logical
Letter connection.Specific registration process can be found in the prior art.(specifically, terminal can be mobile device such as mobile phone, notebook electricity
Brain tablet computer, personal digital assistant etc. are also possible to fixed equipment, such as desktop computer etc..) following methods reality can also be passed through
It is existing:
User terminal UE-A is to U.S. base station initiating business request information.
U.S. base station is to U.S.'s mobile management entity forwarding service solicited message, according to the plan of the carrier network in the U.S.
Slightly, security process can be executed.
The mobile management entity in the U.S. establishes request Concurrency to the base station in U.S. initiation wireless connection and send user terminal UE-A
Relevant radio bearer is established in message, the base station in the U.S..
User terminal UE-A sends call request to the base station in the U.S., and the base station forwarded call in the U.S. is requested to the clothes in the U.S.
Business gateway, the gateway forwarded call request in the U.S. are sent to the proxy gateway in the U.S..The gateway forwarded call in the U.S.
It requests to give the call conversation control function entity in the U.S. (the i.e. call conversation control function entity of caller, below referred to as U.S.
Call conversation control function entity).
The base station in the U.S., which replys to be wirelessly connected to the mobile management entity in the U.S., establishes request response, the movement in the U.S.
Management entity to the gateway in the U.S. send bearing modification message, the gateway in the U.S. hereafter can send downlink data to
The base station in the U.S..
The gateway in the U.S. decides whether to initiate bearing modification process, beauty to the proxy gateway in the U.S. based on situation is subscribed to
The proxy gateway of state replys bearing modification response message, the moving tube of the gateway in the U.S. to the U.S. to the gateway in the U.S.
It manages entity and replys bearing modification response message.
After the bearing modification response message that the mobile management entity for receiving the U.S. is replied, the Call-Establish-Success rate in the U.S.
Functional entity triggers service control point (SCP, the Service in the U.S. according to the signing information of the first user in call request
Control Point) node (i.e. called service control point node, the service control point node in the following U.S. Jun Chengfa), it takes
Band calling number and called number.Calling number is trombone, and called number is cornet.
The service control point node in the U.S. according to signing information of the calling number when American Network is registered know this
One user is a certain group user, and according to called number and calling number, determines that this time calling is to call in group.
It wherein, further include with lower node in block chain network: connection service control point node, telecommunication service control point section
Point, mobile service control point node and other various countries' Operator Specific Service control point nodes.
That is, the service control point node in the U.S. is a node of block chain network.Any one Service control
The step of putting the node for becoming block chain network includes: the service control point to block chain network transmission registration request, and registration is asked
The middle relevant information for carrying service control point is sought, such as operator's informaiton, address information etc., block chain network is to service control point hair
The registration request sent is verified, i.e., verifies to operator's informaiton and address information etc., and when being verified, in block
The service control point is broadcasted in chain network becomes the message of its node, obtains service control point node.
The service control point node in the U.S. sends broadcast message in block chain network, and the content of broadcast message includes the master
Call out the numbers code (long code) and called number (short codes), the broadcast message using the service control point node in the U.S. private key label
It is broadcasted after name.
The service control point node of the operator of every country in the block chain network has received the broadcast message, according to
The number section of calling number 18601101234 in the broadcast message, Chinese operator's connection service control point querying node is certainly
The long cornet table of comparisons of oneself inside, obtains the long code of called number.
The long code for the called number that the connection service control point node of China inquires oneself is sent to block link network
In network, which includes: the long code 18601105678 of the short codes 665678 of called number, called number, the broadcast
Message is broadcasted after the private key signature using the connection service control point node of China.
The service control point node in the U.S. receives the broadcast message, extracts the length of the called number in the broadcast message
The service control point node of number corresponding relationship, the U.S. sends call request to the call conversation control function entity in the U.S..
The call conversation control function entity in the U.S. is initiated to the telephone number mapping server (or domain name system) in the U.S.
The name authority pointer record of called number is inquired in inquiry.
The telephone number mapping server (or domain name system) in the U.S. can return to domain name and carry operator identifier and country's mark
Label, then the call request is routed to IMS and other networks according to called domain name by the call conversation control function entity in the U.S.
Interconnection network element.
The call conversation control function entity in the U.S. determines the operation of the China of second user according to the domain name of second user
Call request is sent to the international gateway in the U.S. by the address of quotient.
Call request is sent to the international critical point of the corresponding China of operator's connection of China by the international gateway in the U.S.
Office, then call request is sent to the connection where second user by the international gateway of the Chinese corresponding China of operator's connection
Logical call conversation control function entity.
The call conversation control function entity of the connection of China sends call requests to the application server AS of China Unicom,
AS needs the enquiry number of China Unicom to carry home location register progress terminal access domain selection, and IMS domain is chosen in domain, China
Connection conference call control function entity carry out call-connection process.The call conversation control function entity of the connection of China
After receiving call request, according to the signing information of second user, by the service control point of the connection of call request triggers to China
Application server.
After the service control point application server of the connection of China receives call request, caller number is obtained from call request
Code judges that the first user has dialed cornet by domain, and second user shows as cornet.
The location information of the service control point application server inquiry second user of the connection of China.The industry of the connection of China
Business control point application server sends a call request to the call conversation control function entity routing second user of the connection of China.
If showing the cornet of the first user in the user terminal UE-B of second user to show cornet.The connection of China
Call conversation control function entity triggering China connection application server, by China connection application server provide
Basic business and routed domain choosing, and final route is called the user terminal UE-B of second user.
After user terminal UE-B receives call request, preferentially carried out according to header field (FROM) to show cornet, by subsequent
Interacting message, session establishment.The call conversation control function entity in the U.S. sends called party answer message and gives user terminal UE-A, uses
Family terminal UE-A sends end message.After the service control point application server of the connection of China receives end message, ticket is write,
Releasing session.
It is understood that the principle that embodiment of above is intended to be merely illustrative of the present and the exemplary implementation that uses
Mode, however the present invention is not limited thereto.For those skilled in the art, essence of the invention is not being departed from
In the case where mind and essence, various changes and modifications can be made therein, these variations and modifications are also considered as protection scope of the present invention.
Claims (12)
1. a kind of international roaming communication means based on block chain is applied to service control point node, which is characterized in that work as caller
Number is international roaming number, and when called number is non-international roaming number, the international roaming communication means includes:
Receive the first call request of the first call conversation control function entity transmission；
It is group's call request in response to first call request, carrying described first is sent in affiliated block chain network and is exhaled
The first of the in request first called short codes are cried to broadcast the message；
Receive described the of the first service control point node in the block chain network based on the first broadcast message feedback
The corresponding first called long code of one called short codes；
Described first called long code is sent to first call conversation control function entity.
2. international roaming communication means according to claim 1, which is characterized in that the international roaming communication means also wraps
It includes:
It is second wide to be called short codes for the carrying second that the second service control point node in block chain network belonging to receiving is sent
Broadcast message；
The second called long code corresponding with the described second called short codes is chosen from the preset long cornet table of comparisons；
Described second called long code is broadcasted in the block chain network, so as to the second service control point node
Obtain the described second called long code.
3. a kind of international roaming communication means based on block chain is applied to call conversation control function entity, which is characterized in that
When calling number is international roaming number, and called number is non-international roaming number, the international roaming communication includes:
The corresponding third service control point node of calling number is determined according to the second call request received；
Second call request is sent to the third service control point node, and receives the third service control point section
The third of point feedback is called the corresponding third of short codes and is called long code；
The first query information is sent to telephone number mapping server, and receives the institute of the telephone number mapping server feedback
State the first domain name that third is called long code；
Determine that the third is called the corresponding carrier network of long code according to the first domain name that the third is called long code
First address information；
Second call request and first address information are sent to First International's gateway exchange, so as to the First International
Second call request is sent to the second call conversation control function entity according to first address information by gateway exchange.
4. international roaming communication means according to claim 3, which is characterized in that the international roaming communication means also wraps
It includes:
Receive the third call request that Second International's gateway exchange is sent according to the second address information；
The third call request is sent to application server；
If receiving the information of application server feedback as its input field selected is IMS domain, according to the third
Call request determines service control point application server；
The third call request is sent to the service control point application server.
5. a kind of international roaming communication means based on block chain is applied to telephone number mapping server, which is characterized in that when
Calling number is international roaming number, and when called number is non-international roaming number, the international roaming communication means includes:
Receive the second query information that third call conversation control function entity is sent；
Generate corresponding second domain name of the 4th called long code in second query information；
Second domain name is sent to the third call conversation control function entity.
6. international roaming communication means according to claim 5, wherein the generated in second query information
Corresponding second domain name of four called long code, comprising:
Obtain the described 4th called corresponding carrier network mark of long code and national label；
Second domain name is generated according to carrier network mark and the national label.
7. a kind of service control point node, which is characterized in that when calling number is international roaming number, called number is the non-world
When roaming number, the service control point node includes:
First receiving module, for receiving the first call request of the first call conversation control function entity transmission；
First sending module, for being group's call request in response to first call request, in affiliated block chain network
Send the first broadcast message for carrying the first called short codes in first call request；
First receiving module is also used to, and is received the first service control point node in the block chain network and is based on described the
The corresponding first called long code of the called short codes of described the first of one broadcast message feedback；
First sending module is also used to, and the described first called long code is sent to first call session control function
Entity.
8. service control point node according to claim 7, which is characterized in that first receiving module is also used to receive
The carrying second that the second service control point node in affiliated block chain network is sent is called the second broadcast message of short codes,
The service control point node further include:
Module is chosen, is called for being chosen from the preset long cornet table of comparisons with the described second called short codes corresponding second
Long code；
Broadcast module, for broadcasting the described second called long code in the block chain network, so as to described second
Service control point node obtains the second called long code.
9. a kind of call conversation control function entity, which is characterized in that when calling number is international roaming number, called number is
When non-international roaming number, the call conversation control function entity includes:
Determining module, for determining the corresponding third service control point section of calling number according to the second call request received
Point；
Second sending module for second call request to be sent to the third service control point node, and receives institute
The third for stating third service control point node feeding back is called the corresponding third of short codes and is called long code, second sending module
It is also used to send the first query information to telephone number mapping server；
Second receiving module, the third for receiving the telephone number mapping server feedback are called the first of long code
Domain name；
The determining module is also used to, and determines that the third is called long code according to the first domain name that the third is called long code
First address information of corresponding carrier network；
Second sending module is also used to, and second call request and first address information are sent to the First International
Gateway exchange, so that second call request is sent to second according to first address information by First International's gateway exchange
Call conversation control function entity.
10. call conversation control function entity according to claim 9, which is characterized in that
Second receiving module is also used to, and is received the third calling that Second International's gateway exchange is sent according to the second address information and is asked
It asks；
Second sending module is also used to, and second call request is sent to application server；
The determining module is also used to, if receiving the information of application server feedback as its input field selected is net
Border protocol multimedia subsystem domain then determines service control point application server according to the third call request；
Second sending module is also used to, and the third call request is sent to the service control point application server.
11. a kind of telephone number mapping server, which is characterized in that when calling number is international roaming number, called number is
When non-international roaming number, the telephone number mapping server includes:
Third receiving module, for receiving the second query information of third call conversation control function entity transmission；
Generation module, for generating corresponding second domain name of the 4th called long code in second query information；
Third sending module, for second domain name to be sent to the third call conversation control function entity.
12. telephone number mapping server according to claim 11, which is characterized in that the generation module is specifically used
In:
Obtain the described 4th called corresponding carrier network mark of long code and national label；
Second domain name is generated according to carrier network mark and the national label.
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| CN114765563A (en) * | 2021-01-04 | 2022-07-19 | 中国移动通信有限公司研究院 | Cross-operator called payment method, device and computer readable storage medium |
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