CN107222452A - A kind of area selecting method and server - Google Patents
A kind of area selecting method and server Download PDFInfo
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- CN107222452A CN107222452A CN201610165443.5A CN201610165443A CN107222452A CN 107222452 A CN107222452 A CN 107222452A CN 201610165443 A CN201610165443 A CN 201610165443A CN 107222452 A CN107222452 A CN 107222452A
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- user terminal
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- registration
- cscf
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/1066—Session management
- H04L65/1073—Registration or de-registration
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/02—Topology update or discovery
- H04L45/04—Interdomain routing, e.g. hierarchical routing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/10—Architectures or entities
- H04L65/1016—IP multimedia subsystem [IMS]
-
- 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
- H04L65/1096—Supplementary features, e.g. call forwarding or call holding
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/40—Support for services or applications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/14—Reselecting a network or an air interface
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/16—Communication-related supplementary services, e.g. call-transfer or call-hold
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W60/00—Affiliation to network, e.g. registration; Terminating affiliation with the network, e.g. de-registration
Abstract
The embodiment of the invention discloses a kind of area selecting method, including：The log-on message inquiry request of the first CSCF network element CSCF transmissions is received, the log-on message inquiry request includes the mark as called user terminal；According to the mark of the user terminal, the registered network of the user terminal is inquired about；When the user terminal is registered in IP multimedia subsystem IMS network, the first log-on message query feedback message is sent to the first CSCF；Or, when the user terminal is registered in Code Division Multiple Access (CDMA) network, the second log-on message query feedback message is sent to the first CSCF.Further, server is selected the embodiment of the invention discloses a kind of domain.
Description
Technical field
The present invention relates to the voice communication technology of the communications field, more particularly to a kind of area selecting method and server.
Background technology
With the development of the communication technology, IP multimedia subsystem (IP Multimedia Subsystem, IMS)
As the mostly important part of 4G networks, wherein the VoLTE (Voice over LTE) based on IMS
It is third generation partner program (Third Generation Partnership Project, 3GPP) on drilling for a long time
Enter the generally acknowledged main development direction of (Long Term Evolution, LTE) voice-over-net solution.
In the prior art, due to deployment of LTE network initial stage, the network coverage is not enough, as VoLTE terminals band C
When mould, i.e. terminal can support CDMA (Code Division Multiple Access, CDMA) frequency range,
Terminal may switch frequently between cdma network and LTE network, cause terminal in the registration of network
State also frequently change therewith.If the terminal as it is called when, because network does not know the note of terminal currently
Volume state, therefore domain selection can be carried out using the method for CSC, as shown in figure 1, specific step is as follows：
Step 101, to mediaphone application server (Multimedia Telephone Application
Server, MMTEL AS) function modificationses are carried out, MMTEL AS is supported the route weight of VoLTE user
Select function.
Step 102, MMTEL AS set timer, received in the range of timer time temporarily without
Method connects failure response, does not still receive access success response at the end of timer either or in user
Under off-mode, MMTEL AS insert specific access code before called number.
Step 103, MMTEL AS are to service call conversation control function network element (Serving Call Session
Control Function, S-CSCF) call request is initiated again.
Step 104, S-CSCF route the call to MGCF network element (Media Gateway
Control Function, MGCF).
Specific access code in step 105, MGCF identification called prefixs, is obtained after deleting the specific access code
Called number, and according to specific access code trigger to attaching position register (Home Location Register,
HLR position enquiring) is carried out.
Step 106, MGCF by MAP between HLR (Mobile Application Part,
MAP) interface polls called number interim local number (Temporary Local Directory Number,
TLDN)。
Step 107, MGCF are route according to the TLDN of called number, and called number is initiated to call.
Due to call called number when, it is necessary to first from IMS network initiate call, in the situation of call failure
Under call cdma network again, therefore the mode of this simple field selection is, it is necessary to turning by multiple links
Hair so that call delay is greatly increased, and the call proceeding time is long, poor user experience.
The content of the invention
In order to solve the above technical problems, the embodiment of the present invention is expected to provide a kind of area selecting method and server,
Interaction flow during call proceeding can be reduced, shortens call delay, and then shorten the stand-by period of user.
The technical proposal of the invention is realized in this way：
On the one hand, the embodiment of the present invention provides a kind of area selecting method, including：
Receive the log-on message inquiry request of the first CSCF network element CSCF transmissions, the note
Volume information inquiring request includes the mark as called user terminal；
According to the mark of the user terminal, the registered network of the user terminal is inquired about；
When the user terminal is registered in IP multimedia subsystem IMS network, to the first CSCF
The first log-on message query feedback message is sent, the first log-on message query feedback message indicates described use
Family endpoint registration is in IMS network, to cause the first CSCF to inquire about anti-according to first log-on message
Message is presented, call proceeding is completed；Or,
When the user terminal is registered in Code Division Multiple Access (CDMA) network, the is sent to the first CSCF
Two log-on message query feedback message, the second log-on message query feedback message includes the user terminal
Current location and indicate that the user terminal is registered in cdma network, to cause the first CSCF roots
According to the second log-on message query feedback message, call proceeding is completed.
Optionally, before the second log-on message query feedback message of transmission to the first CSCF,
Methods described also includes：
When the user terminal is registered in cdma network, posted to the homing position of the cdma network
Storage HLR sends position enquiring request；
The position enquiring feedback message that the HLR is sent is received, the position enquiring feedback message includes described
The current location of user terminal.
Optionally, before the log-on message inquiry request that the first CSCF of the reception is sent, methods described
Also include：
The registration request of the user terminal of the 2nd CSCF transmissions is received, the registration request includes described
The mark of user terminal；
Tripartite's registration is completed according to the registration request, and records the current registered network of the user terminal and is
IMS network.
Optionally, registered described according to registration request completion tripartite, and record the user terminal and worked as
Preceding registered network is after IMS network, methods described also includes：
HLR into cdma network sends registration notification message, and the registration notification message indicates described
The current registered network of user terminal is IMS network, to cause the HLR nullifies the user terminal to exist
Registration in the cdma network.
Optionally, before the log-on message inquiry request that the first CSCF of the reception is sent, methods described
Also include：
The de-registration message that the HLR in cdma network is sent is received, the de-registration message is indicated
The user terminal is currently registered in cdma network；
The network that the user terminal according to the de-registration Message Record is currently registered as cdma network,
And nullify the registration of the user terminal in the ims network.
On the other hand, the embodiment of the present invention provides a kind of domain selection server, including：
Receiving unit, is looked into for receiving the log-on message that the first CSCF network element CSCF is sent
Request is ask, the log-on message inquiry request includes the mark as called user terminal；
Query unit, for the mark according to the user terminal, inquires about the registered network of the user terminal；
Transmitting element, for when the user terminal is registered in IP multimedia subsystem IMS network, to
First CSCF sends the first log-on message query feedback message, the first log-on message query feedback
Message indicates that the user terminal is registered in IMS network, to cause the first CSCF according to described first
Log-on message query feedback message, completes call proceeding；Or, when the user terminal is registered in CDMA
During cdma network, the second log-on message query feedback message, described second are sent to the first CSCF
Log-on message query feedback message includes the current location of the user terminal and indicates the user terminal registration
In cdma network, to cause the first CSCF according to the second log-on message query feedback message,
Complete call proceeding.
Optionally, the transmitting element is additionally operable to when the user terminal is registered in cdma network, to institute
The attaching position register HLR for stating cdma network sends position enquiring request；
The receiving unit is additionally operable to receive the position enquiring feedback message that the HLR is sent, and the position is looked into
Asking feedback message includes the current location of the user terminal.
Optionally, the receiving unit is additionally operable to receive the registration for the user terminal that the 2nd CSCF is sent
Request, the registration request includes the mark of the user terminal；
The server also includes：
First recording unit, for completing tripartite's registration according to the registration request, and it is whole to record the user
The current registered network in end is IMS network.
Optionally, the HLR that the transmitting element is additionally operable into cdma network sends registration notification message,
The registration notification message indicates that the current registered network of the user terminal is IMS network, described to cause
HLR nullifies registration of the user terminal in the cdma network.
Optionally, the receiving unit is additionally operable to receive the de-registration that the HLR in cdma network is sent
Message, the de-registration message indicates that the user terminal is currently registered in cdma network；
The server also includes：
Second recording unit, is currently registered for the user terminal according to the de-registration Message Record
Network is cdma network, and nullifies the registration of the user terminal in the ims network.
The embodiments of the invention provide a kind of area selecting method and server, the area selecting method includes：Connect
Receive the log-on message inquiry request of the first CSCF network element CSCF transmissions, the log-on message
Inquiry request includes the mark as called user terminal；According to the mark of the user terminal, institute is inquired about
State the registered network of user terminal；When the user terminal is registered in IP multimedia subsystem IMS network,
The first log-on message query feedback message is sent to the first CSCF, the first log-on message inquiry is anti-
Feedback message indicates that the user terminal is registered in IMS network, to cause the first CSCF according to described the
One log-on message query feedback message, completes call proceeding；Or, to be registered in code division more when the user terminal
During the cdma network of location, the second log-on message query feedback message, described the are sent to the first CSCF
Two log-on message query feedback message include the current location of the user terminal and indicate the user terminal note
Volume is in cdma network, to cause the first CSCF according to the second log-on message query feedback message,
Complete call proceeding.Compared to prior art, when call subscriber terminal is called called user terminal,
The registered network of called user terminal is inquired about first, according to the current log-on message of called user terminal, is carried out
Accurate domain selection so that call request is properly routed to the network that called user terminal is currently registered by CSCF,
Interaction flow during call proceeding is reduced, call delay is shortened, and then shorten the stand-by period of user.
Brief description of the drawings
A kind of schematic flow sheet for area selecting method that Fig. 1 provides for prior art；
Fig. 2 is a kind of schematic flow sheet of area selecting method provided in an embodiment of the present invention；
Fig. 3 is a kind of interaction schematic diagram 1 of area selecting method provided in an embodiment of the present invention；
Fig. 4 is a kind of interaction schematic diagram 2 of area selecting method provided in an embodiment of the present invention；
Fig. 5 selects structural representation Fig. 1 of server for a kind of domain provided in an embodiment of the present invention；
Fig. 6 selects structural representation Fig. 2 of server for a kind of domain provided in an embodiment of the present invention；
Fig. 7 selects structural representation Fig. 3 of server for a kind of domain provided in an embodiment 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
Chu, it is fully described by.
The embodiment of the present invention provides a kind of area selecting method, and the area selecting method can be used for services set neutralization
Application server for continuity (Service Centralization and Continuity Application Server,
SCC AS), the SCC AS support MAP interfaces, and possess as visited mobile switching center (Visited
Mobile Switching Center, vMSC) network element function, can be with the HLR in cdma network
Interact.As shown in Fig. 2 the area selecting method includes：
Step 201, the log-on message inquiry request for receiving the first CSCF transmissions, the log-on message inquiry
Request includes the mark as called user terminal.
Example, the user terminal mark can be user terminal number, IP address, or other
It is capable of the code of unique mark user terminal, the embodiment of the present invention is not limited this.When being registered in IMS nets
When call subscriber terminal in network needs calling called user terminal, it can be exhaled first to the agency being currently accessed
Conversation control function network element (Proxy Call Session Control Function, P-CSCF) is made to send calling
Request, the call request is transmitted to S-CSCF by P-CSCF, S-CSCF after call request is received,
The mark as called user terminal is obtained first, then according to the mark as called user terminal,
Generate log-on message inquiry request, the log-on message current to inquire about called user terminal, and by generation
Log-on message inquiry request is sent to SCC AS.The first CSCF described in the embodiment of the present invention can be
S-CSCF。
Step 202, the mark according to the user terminal, inquire about the registered network of the user terminal.
Example, it can be set in SCC AS in registration form, the registration form and have recorded user
Corresponding relation between the current registered network of the mark and user terminal of terminal, when SCC AS receive note
After volume information inquiring request, the mark for the user terminal that the log-on message inquiry request includes can be obtained first
Know, then according to the mark of the user terminal, inquire about registration form, obtain the user terminal current
Registered network.In practical application, the registration form can be updated according to the movement of user terminal.
Step 203, when the user terminal is registered in IMS network, send the to the first CSCF
One log-on message query feedback message, to cause the first CSCF to be inquired about according to first log-on message
Feedback message, completes call proceeding；Or, when the user terminal is registered in cdma network, to described
First CSCF sends the second log-on message query feedback message, to cause the first CSCF according to described
Second log-on message query feedback message, completes call proceeding.
Wherein, the first log-on message query feedback message indicates that the user terminal is registered in IMS network；
The second log-on message query feedback message includes the current location of the user terminal and indicates the user
Endpoint registration is in cdma network.
Example, when SCC AS, which inquire called user terminal, is currently registered in IMS network, Ke Yisheng
It is sent into the first log-on message query feedback message, and by the first log-on message query feedback message
S-CSCF.S-CSCF confirms that called subscriber is whole after the first log-on message query feedback message is received
The current registered network in end is IMS network, then obtains quilt in the ims network according to the method for prior art
The position that user terminal is current is cried, and then the call request of call subscriber terminal can be routed to called subscriber
The corresponding P-CSCF of terminal current location, completes call proceeding.
When SCC AS, which inquire called user terminal, is currently registered in cdma network, due to SCC AS
MAP interfaces are supported, can be interacted with the HLR in cdma network, therefore SCC AS can be to
HLR sends position enquiring request, the current position of inquiry called user terminal.Can be with set location in HLR
It is have recorded in registration form, the location register table between the mark of user terminal and user terminal current location
Corresponding relation.HLR is called after position enquiring request is received, in being asked according to position enquiring and used
The mark of family terminal, inquiring position registration form obtains the current location of called user terminal, and according to the quilt
The current location of user terminal is made to generate position enquiring feedback message, the position enquiring feedback message includes institute
State the current location of called user terminal.SCC AS are after position enquiring feedback message is received, Ke Yigen
According to the current registered network of called user terminal and current location, the second log-on message query feedback message is generated,
And the second log-on message query feedback message is sent to S-CSCF.Because called subscriber is currently registered in
Cdma network, therefore the call request of call subscriber terminal can be routed to cdma network by S-CSCF
The corresponding MGCF in middle called user terminal current location, is handled the call request by above-mentioned MGCF,
Complete call proceeding.
So, when call subscriber terminal is called called user terminal, quilt can be inquired about first
The registered network of user terminal is, according to the current log-on message of called user terminal, accurate domain selection is carried out,
So that call request is properly routed to the network that called user terminal is currently registered by CSCF, calling is reduced
Interaction flow when continuing, shortens call delay, and then shorten the stand-by period of user.
Further, before the second log-on message query feedback message of transmission to the first CSCF,
Can also be when the user terminal be registered in Code Division Multiple Access (CDMA) network, to the cdma network
HLR sends position enquiring request, then receives the position enquiring feedback message that the HLR is sent, described
Position enquiring feedback message includes the current location of the user terminal.
Example, because SCC AS support MAP interfaces, it can be carried out with the HLR in cdma network
Interaction, therefore SCC AS can send position enquiring request to HLR, inquiry called user terminal is current
Position.
Further, can be with before the log-on message inquiry request that the first CSCF of the reception is sent
The registration request of the user terminal of the 2nd CSCF transmissions is received, the registration request includes the user
The mark of terminal, then completes tripartite's registration according to the registration request, and it is current to record the user terminal
Registered network be IMS network.
Example, access IMS during user terminal is initially accessed IMS network, or cell switching
, it is necessary to be registered in the ims network during network.Now, user terminal can by LTE network to
The entrance P-CSCF of IMS network initiates registration request, and the registration request of user terminal is transmitted to by P-CSCF
S-CSCF, S-CSCF can complete registration of the user terminal in IMS network first according to the registration request,
Then the registration request is sent to SCC AS, the registration request includes the mark of the user terminal, SCC
AS completes tripartite's registration according to the registration request, i.e., the current registered network of user terminal is notified into SCC AS,
So that SCC AS are able to record that the current registered network of the user terminal is IMS network.
Further, described according to registration request completion tripartite's registration, and the user terminal is recorded
Current registered network is after IMS network, HLR transmission registrations that can also be into cdma network is logical
Know message, the registration notification message indicates that the current registered network of the user terminal is IMS network, with
So that the HLR nullifies registration of the user terminal in the cdma network.
Example, because user terminal is probably to switch from cdma network, therefore CDMA
The log-on message of user terminal is also record in network, if without deleting, when the user terminal is used as quilt
When crying, S-CSCF can not tell user terminal and currently be registered on earth in which network, be easily caused and exhale
Failure is cried, therefore after user terminal succeeds in registration in the ims network, SCC AS can be to CDMA nets
HLR in network sends registration notification message, to indicate that the current registered network of the user terminal is IMS
Network, HLR after registration notification message is received, logging off users terminal first in local log-on message,
Cancellation is sent to mobile switching centre (Mobile Switching Center emulation, MSCe) simultaneously to step on
Note request, the deregistration request includes the mark of user terminal, and MSCe nullifies registration and asked receiving
, can be according to the mark of user terminal, the registration of logging off users terminal in a cdma network after asking.
Further, can be with before the log-on message inquiry request that the first CSCF of the reception is sent
The de-registration message that the HLR in cdma network is sent is received, the de-registration message indicates described
User terminal is currently registered in cdma network, and then user is whole according to the de-registration Message Record
The network currently registered is held as cdma network, and nullifies the registration of the user terminal in the ims network.
Example, accessed during user terminal is initially accessed cdma network, or cell switching
, it is necessary to be registered in a cdma network during cdma network, now user terminal can be to CDMA
The MSCe of network initiates registration request, and the registration request includes the mark of user terminal.MSCe is received
After registration message, the registration of the user terminal in a cdma network is completed.Send and note to HLR simultaneously
Volume notification message, the registration notification message indicates that the current registered network of first user terminal is
Cdma network.HLR can generate de-registration message after registration notification message is received, and to
SCC AS send the de-registration message, in order to which SCC AS are by the user terminal of this in registration form
Registered network is updated, while nullifying the registration of the user terminal in the ims network.
The embodiments of the invention provide a kind of area selecting method, including：Receive the registration of the first CSCF transmissions
Information inquiring request, the log-on message inquiry request includes the mark as called user terminal；According to
The mark of the user terminal, inquires about the registered network of the user terminal；When the user terminal is registered in
During IMS network, the first log-on message query feedback message, first note are sent to the first CSCF
Volume information inquiry feedback message indicates that the user terminal is registered in IMS network, to cause the first CSCF
According to the first log-on message query feedback message, call proceeding is completed；Or, when user terminal note
Volume sends the second log-on message query feedback message in cdma network to the first CSCF, described
Second log-on message query feedback message includes the current location of the user terminal and indicates the user terminal
Cdma network is registered in, to cause the first CSCF to disappear according to the second log-on message query feedback
Breath, completes call proceeding.Compared to prior art, called user terminal is exhaled in call subscriber terminal
When crying, the registered network of called user terminal is inquired about first, according to the difference of registered network so that CSCF
Call request can be routed to the network that called user terminal is currently registered, friendship during call proceeding is reduced
Mutual flow, shortens call delay, and then shorten the stand-by period of user.
The embodiment of the present invention provides a kind of area selecting method, and IMS network is registered to the first user terminal, and
As being illustrated exemplified by called user terminal, as shown in figure 3, including：
Step 301, the first user terminal send registration request to P-CSCF, and the registration request includes described
The mark of first user terminal.
Example, the first user terminal can be sent out by LTE network to the entrance P-CSCF of IMS network
Play registration request.
The registration request is transmitted to S-CSCF by step 302, P-CSCF.
Example, a S-CSCF can connect multiple P-CSCF, and the first user terminal can be to access digit
Put corresponding P-CSCF and initiate registration request, then the registration request is transmitted to and is connected thereto by P-CSCF
S-CSCF.
The registration request is sent to SCC AS by step 303, S-CSCF.
Example, S-CSCF can be completed with the first family terminal in IMS network according to the registration request first
In registration, registration request is then sent to SCC AS.
Step 304, SCC AS complete tripartite's registration according to the registration request, and record first user
The current registered network of terminal is IMS network.
Specifically, registration form can be set in SCC AS, user is have recorded in the registration form whole
Corresponding relation between the current registered network of mark and user terminal at end, is asked when SCC AS receive registration
After asking, the registration form can be updated according to the registration request so that with the in the registration form
The corresponding registered network of mark of one user terminal is IMS network.
Step 305, SCC AS send registration notification message to HLR, and the registration notification message indicates institute
The current registered network of the first user terminal is stated for IMS network.
Example, SCC AS can pass through " REGNOT (Registration Notification INVOKE) "
Message informing HLR.
Step 306, HLR send registration notification feedback message to SCC AS.
Example, HLR can return to " regnot (Registration Notification RETURN to SCC AS
RESULT) " message.
Step 307, HLR generate de-registration message according to the registration notification feedback message.
Example, HLR, can be according in REGNOT message after " REGNOT " message is received
Content learn that the first user terminal is currently registered in IMS network, it is necessary to by the first user terminal in CDMA
Registration in network is unregistered, therefore can generate cancellation according to the current registered network of the first user terminal
Registration message.
Step 308, HLR send the de-registration message to MSC.
Example, HLR can send " REGCANC (Registration Cancellation to MSC
INVOKE) " message.
Step 309, MSC nullify first user terminal in CDMA according to the de-registration message
Registration in network.
Example, MSC is after " REGCANC " message is received, according to " REGCANC "
Content in message, is unregistered to the registration of the first user terminal in a cdma network.
Step 310, MSC send to HLR and nullify feedback information.
Example, MSC can send " regcanc (Registration Cancellation RETURN to HLR
RESULT) message ".
Step 311, P-CSCF, which are received, is registered in the call request that the second user terminal of IMS network is sent,
The call request includes the mark of the first user terminal.
Example, after the first user terminal completes registration in the ims network, it is possible that being used as quilt
Situation about crying, now the P-CSCF of second user terminal current location can receive second user terminal transmission
Call request, the call request includes the mark as the first called user terminal.
The call request is transmitted to S-CSCF by step 312, P-CSCF.
Example, the call request can be sent to connected S-CSCF by P-CSCF.
Step 313, S-CSCF send log-on message inquiry request, the log-on message inquiry to SCC AS
Request includes the mark of first user terminal.
Step 314, SCC AS inquire about first user terminal according to the mark of first user terminal
Registered network.
Example, SCC AS can inquire about the registration being locally located and step on according to the mark of the first user terminal
Remember table, obtain the current registered network of the first user terminal.
Step 315, when the registered network of first user terminal is IMS network, SCC AS are to institute
State S-CSCF and send the first log-on message query feedback message, the first log-on message query feedback message
Include the registered network of the first user terminal.
Example, when the registered network of first user terminal is IMS network, SCC AS generations the
One log-on message query feedback message, and the first log-on message query feedback message is sent to S-CSCF.
Step 316, S-CSCF obtain the corresponding P-CSCF in the first user terminal current location.
Example, S-CSCF can obtain the current location of the first user terminal, Jin Erneng according to prior art
Enough confirm the corresponding P-CSCF in the first user terminal current location.
The call request is routed to the first user terminal current location correspondence by step 317, S-CSCF
P-CSCF, complete call proceeding.
Example, it is corresponding that the call request is routed to the first user terminal current location by S-CSCF
P-CSCF, the P-CSCF connect the first user terminal, complete second user the first user terminal of terminal call
Call proceeding.
The embodiments of the invention provide a kind of area selecting method, compared to prior art, in call subscriber terminal
When calling called user terminal, the registered network that called user terminal is inquired about first is IMS so that
Call request accurately can be routed to the IMS network that called user terminal is currently registered by CSCF, be reduced
Interaction flow during call proceeding, shortens call delay, and then shorten the stand-by period of user.
The embodiment of the present invention provides a kind of area selecting method, and cdma network is registered to the first user terminal,
And as being illustrated exemplified by called user terminal, as shown in figure 4, including：
Step 401, the first user terminal send registration request to MSC, and the registration request includes described the
The mark of one user terminal.
Example, example, the first user terminal can be initiated to register by cdma network to MSC
Request.
Step 402, MSC complete first user terminal in cdma network according to the registration request
In registration.
Step 403, MSC send registration notification message to HLR, and the registration notification message indicates described
The current registered network of first user terminal is cdma network.
Example, MSC can send " REGNOT " message to HLR, for notifying described in HLR
The current registered network of one user terminal is cdma network.
Step 404, HLR send registration notification feedback message to MSC.
Example, HLR can send " regnot " message to MSC.
Step 405, HLR generate de-registration message according to the registration notification feedback message.
Example, HLR, can be according in REGNOT message after " REGNOT " message is received
Content learn that the first user terminal is currently registered in cdma network, it is necessary to by the first user terminal in IMS
Registration in network is unregistered, therefore can generate cancellation according to the current registered network of the first user terminal
Registration message.
Step 406, HLR send the de-registration message to SCC AS.
Example, HLR can send " REGCANC " message to SCC AS.
Step 407, SCC AS are according to the de-registration message according to the de-registration Message Record
The network that first user terminal is currently registered nullifies the first user terminal in IMS nets as cdma network
Registration in network.
Example, registration form is provided with SCC AS, is being received " REGCANC " of HLR transmissions
After message, the registration form can be updated according to the content update in " REGCANC " message,
So that registered network corresponding with the mark of the first user terminal is cdma network in the registration form.
Step 408, SCC AS send to HLR and nullify feedback information.
Example, SCC AS can send " regcanc " message to HLR.
Step 409, P-CSCF, which are received, is registered in the call request that the second user terminal of IMS network is sent,
The call request includes the mark of the first user terminal.
Example, after the first user terminal completes registration in a cdma network, it is possible that conduct
Called situation, now the P-CSCF of second user terminal current location can receive second user terminal hair
The call request sent, the call request includes the mark as the first called user terminal.
The call request is transmitted to S-CSCF by step 410, P-CSCF.
Example, the call request can be sent to connected S-CSCF by P-CSCF.
Step 411, S-CSCF send log-on message inquiry request, the log-on message inquiry to SCC AS
Request includes the mark of first user terminal.
Step 412, SCC AS inquire about first user terminal according to the mark of first user terminal
Registered network.
Example, SCC AS can inquire about the registration being locally located and step on according to the mark of the first user terminal
Remember table, obtain the current registered network of the first user terminal.
Step 413, when first user terminal registered network be cdma network when, SCC AS to
HLR sends position enquiring request, and the position enquiring request includes the mark of first user terminal.
Example, because SCC AS support MAP interfaces, it can be interacted with HLR, therefore can be with
Position enquiring request is sent to HLR.Specifically, SCC AS can send " LOCREQ to HLR
(Location Request INVOKE) " message, position enquiring is carried out to HLR.
Step 414, HLR send position enquiring feedback message to SCC AS, and the position enquiring feedback disappears
Breath includes the current location of first user terminal.
Example, HLR by " locreq (Location Request RETURN RESULT) " message to
SCC AS home position Query Results.
The registered network and current location of step 415, SCC AS according to first user terminal, generation the
Two log-on message query feedback message.
The second log-on message query feedback message is sent to S-CSCF by step 416, SCC AS.
Step 417, S-CSCF by call request route in cdma network with first user
The corresponding MGCF in current location of terminal, completes call proceeding.
Example, because called subscriber is currently registered in cdma network, therefore S-CSCF can be by second
It is corresponding that the call request of user terminal is routed to the first user terminal current location in cdma network
MGCF, the MGCF send initial address message (Initial Address Message, IAM) message and arrived
Cdma network, completes call proceeding.
The embodiments of the invention provide a kind of area selecting method, compared to prior art, in call subscriber terminal
When calling called user terminal, the registered network that called user terminal is inquired about first is CDMA, is made
Obtain CSCF accurately can be routed to the cdma network that called user terminal is currently registered by call request,
Interaction flow during call proceeding is reduced, call delay is shortened, and then shorten the stand-by period of user.
It should be noted that the sequencing of area selecting method step provided in an embodiment of the present invention can be carried out
Appropriate adjustment, step according to circumstances can also accordingly be increased and decreased, any technology people for being familiar with the art
Member the invention discloses technical scope in, the method that change can be readily occurred in, should all cover the present invention
Within protection domain, therefore repeat no more.
The embodiment of the present invention provides a kind of domain selection server 50, as shown in figure 5, including：
Receiving unit 501, for receiving the log-on message inquiry request that the first CSCF is sent, the registration
Information inquiring request includes the mark as called user terminal.
Query unit 502, for the mark according to the user terminal, inquires about the registration of the user terminal
Network.
Transmitting element 503, for when the user terminal is registered in IMS network, to the first CSCF
The first log-on message query feedback message is sent, the first log-on message query feedback message indicates described use
Family endpoint registration is in IMS network, to cause the first CSCF to inquire about anti-according to first log-on message
Message is presented, call proceeding is completed；Or, when the user terminal is registered in cdma network, to described
One CSCF sends the second log-on message query feedback message, the second log-on message query feedback message package
Include the current location of the user terminal and indicate that the user terminal is registered in cdma network, to cause
The first CSCF is stated according to the second log-on message query feedback message, call proceeding is completed.
So, when call subscriber terminal is called called user terminal, called use is inquired about first
The registered network of family terminal, according to the difference of registered network so that call request can be routed to by CSCF
The network that called user terminal is currently registered, reduces interaction flow during call proceeding, when shortening calling
Prolong, and then shorten the stand-by period of user.
Optionally, the transmitting element 503 is additionally operable to when the user terminal is registered in CDMA CDMA
During network, position enquiring request is sent to the CDMA HLR；The receiving unit 501 is also
For receiving the position enquiring feedback message that the HLR is sent, the position enquiring feedback message includes described
The current location of user terminal.
Optionally, the receiving unit 501 is additionally operable to receive the user terminal that the 2nd CSCF is sent
Registration request, the registration request includes the mark of the user terminal；As shown in fig. 6, the server
50 also include：First recording unit 504, for completing tripartite's registration according to the registration request, and is recorded
The current registered network of the user terminal is IMS network.
Optionally, the HLR that the transmitting element 503 is additionally operable into cdma network sends registration notification
Message, the registration notification message indicates that the current registered network of the user terminal is IMS network, so that
Obtain the HLR and nullify registration of the user terminal in the cdma network.
Optionally, the receiving unit 501 is additionally operable to receive the cancellation that the HLR in cdma network is sent
Registration message, the de-registration message indicates that the user terminal is currently registered in cdma network；As schemed
Shown in 7, the server 50 also includes：Second recording unit 505, for being disappeared according to the de-registration
Breath records network that the user terminal currently registers as cdma network, and nullifies the user terminal and exist
Registration in IMS network.
It should be noted that first, it is apparent to those skilled in the art that, for description
Convenient and succinct, the device of foregoing description and the specific work process of unit may be referred to preceding method implementation
Corresponding process in example, will not be repeated here.
Second, the query unit 502, first recording unit 504 and second recording unit 506
Can be by the central processing unit (Central Processing Unit, CPU) in server 50, microprocessor
Device (Micro Processor Unit, MPU), digital signal processor (Digital Signal Processor,
) or field programmable gate array (Field Programmable Gate Array, FPGA) etc. is realized DSP.
The receiving unit 501 and the transmitting element 503 can be by the antennas and antenna in server 50
Drive circuit realize.
The embodiment of the present invention provides a kind of domain selection server, including：Receiving unit, is exhaled for receiving first
The log-on message inquiry request for making conversation control function network element CSCF send, the log-on message inquiry request
Including the mark as called user terminal.Query unit, for the mark according to the user terminal,
Inquire about the registered network of the user terminal.Transmitting element, for being registered in IMS nets when the user terminal
During network, the first log-on message query feedback message, first log-on message are sent to the first CSCF
Query feedback message indicates that the user terminal is registered in IMS network；Or, when the user terminal is registered in
During cdma network, the second log-on message query feedback message, described second are sent to the first CSCF
Log-on message query feedback message includes the current location of the user terminal and indicates the user terminal registration
In cdma network.Compared to prior art, when call subscriber terminal is called called user terminal,
The registered network of called user terminal is inquired about first, according to the difference of registered network so that CSCF can be by
Call request is routed to the network that called user terminal is currently registered, and reduces interaction flow during call proceeding,
Call delay is shortened, and then shortens the stand-by period of user.
It should be understood by those skilled in the art that, embodiments of the invention can be provided as method, system or meter
Calculation machine program product.Therefore, the present invention can using hardware embodiment, software implementation or combine software and
The form of the embodiment of hardware aspect.Moreover, the present invention can be used wherein includes calculating one or more
The computer-usable storage medium of machine usable program code (includes but is not limited to magnetic disk storage and optical storage
Device etc.) on the form of computer program product implemented.
The present invention is with reference to method according to embodiments of the present invention, equipment (system) and computer program product
Flow chart and/or block diagram describe.It should be understood that can be by computer program instructions implementation process figure and/or side
Each flow and/or square frame in block diagram and flow and/or the knot of square frame in flow chart and/or block diagram
Close.Can provide these computer program instructions to all-purpose computer, special-purpose computer, Embedded Processor or
The processor of other programmable data processing devices is to produce a machine so that by computer or other can
The instruction of the computing device of programming data processing equipment is produced for realizing in one flow or multiple of flow chart
The device for the function of being specified in one square frame of flow and/or block diagram or multiple square frames.
These computer program instructions, which may be alternatively stored in, can guide computer or other programmable data processing devices
In the computer-readable memory worked in a specific way so that be stored in the computer-readable memory
Instruction, which is produced, includes the manufacture of command device, and the command device is realized in one flow of flow chart or multiple streams
The function of being specified in one square frame of journey and/or block diagram or multiple square frames.
These computer program instructions can be also loaded into computer or other programmable data processing devices, made
Obtain and series of operation steps performed on computer or other programmable devices to produce computer implemented processing,
So as to which the instruction performed on computer or other programmable devices is provided for realizing in one flow of flow chart
Or specified in one square frame of multiple flows and/or block diagram or multiple square frames function the step of.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the protection model of the present invention
Enclose.
Claims (10)
1. a kind of area selecting method, it is characterised in that including：
Receive the log-on message inquiry request of the first CSCF network element CSCF transmissions, the note
Volume information inquiring request includes the mark as called user terminal；
According to the mark of the user terminal, the registered network of the user terminal is inquired about；
When the user terminal is registered in IP multimedia subsystem IMS network, to the first CSCF
The first log-on message query feedback message is sent, the first log-on message query feedback message indicates described use
Family endpoint registration is in IMS network, to cause the first CSCF to inquire about anti-according to first log-on message
Message is presented, call proceeding is completed；Or,
When the user terminal is registered in Code Division Multiple Access (CDMA) network, the is sent to the first CSCF
Two log-on message query feedback message, the second log-on message query feedback message includes the user terminal
Current location and indicate that the user terminal is registered in cdma network, to cause the first CSCF roots
According to the second log-on message query feedback message, call proceeding is completed.
2. according to the method described in claim 1, it is characterised in that sent out described to the first CSCF
Send before the second log-on message query feedback message, methods described also includes：
When the user terminal is registered in cdma network, posted to the homing position of the cdma network
Storage HLR sends position enquiring request；
The position enquiring feedback message that the HLR is sent is received, the position enquiring feedback message includes described
The current location of user terminal.
3. method according to claim 1 or 2, it is characterised in that in the first CSCF of the reception
Before the log-on message inquiry request of transmission, methods described also includes：
The registration request of the user terminal of the 2nd CSCF transmissions is received, the registration request includes described
The mark of user terminal；
Tripartite's registration is completed according to the registration request, and records the current registered network of the user terminal and is
IMS network.
4. method according to claim 3, it is characterised in that described complete according to the registration request
Into tripartite's registration, and the current registered network of the user terminal is recorded for after IMS network, methods described
Also include：
HLR into cdma network sends registration notification message, and the registration notification message indicates described
The current registered network of user terminal is IMS network, to cause the HLR nullifies the user terminal to exist
Registration in the cdma network.
5. method according to claim 1 or 2, it is characterised in that in the first CSCF of the reception
Before the log-on message inquiry request of transmission, methods described also includes：
The de-registration message that the HLR in cdma network is sent is received, the de-registration message is indicated
The user terminal is currently registered in cdma network；
The network that the user terminal according to the de-registration Message Record is currently registered as cdma network,
And nullify the registration of the user terminal in the ims network.
6. a kind of domain selects server, it is characterised in that including：
Receiving unit, is looked into for receiving the log-on message that the first CSCF network element CSCF is sent
Request is ask, the log-on message inquiry request includes the mark as called user terminal；
Query unit, for the mark according to the user terminal, inquires about the registered network of the user terminal；
Transmitting element, for when the user terminal is registered in IP multimedia subsystem IMS network, to
First CSCF sends the first log-on message query feedback message, the first log-on message query feedback
Message indicates that the user terminal is registered in IMS network, to cause the first CSCF according to described first
Log-on message query feedback message, completes call proceeding；Or, when the user terminal is registered in CDMA
During cdma network, the second log-on message query feedback message, described second are sent to the first CSCF
Log-on message query feedback message includes the current location of the user terminal and indicates the user terminal registration
In cdma network, to cause the first CSCF according to the second log-on message query feedback message,
Complete call proceeding.
7. server according to claim 6, it is characterised in that
The transmitting element is additionally operable to when the user terminal is registered in cdma network, to the CDMA
The attaching position register HLR of network sends position enquiring request；
The receiving unit is additionally operable to receive the position enquiring feedback message that the HLR is sent, and the position is looked into
Asking feedback message includes the current location of the user terminal.
8. the server according to claim 6 or 7, it is characterised in that
The receiving unit is additionally operable to receive the registration request for the user terminal that the 2nd CSCF is sent, institute
Stating registration request includes the mark of the user terminal；
The server also includes：
First recording unit, for completing tripartite's registration according to the registration request, and it is whole to record the user
The current registered network in end is IMS network.
9. server according to claim 8, it is characterised in that
The HLR that the transmitting element is additionally operable into cdma network sends registration notification message, the note
Volume notification message indicates that the current registered network of the user terminal is IMS network, to cause the HLR
Nullify registration of the user terminal in the cdma network.
10. the server according to claim 6 or 7, it is characterised in that
The receiving unit is additionally operable to receive the de-registration message that the HLR in cdma network is sent, institute
State de-registration message and indicate that the user terminal is currently registered in cdma network；
The server also includes：
Second recording unit, is currently registered for the user terminal according to the de-registration Message Record
Network is cdma network, and nullifies the registration of the user terminal in the ims network.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610165443.5A CN107222452A (en) | 2016-03-22 | 2016-03-22 | A kind of area selecting method and server |
| PCT/CN2017/074981 WO2017162002A1 (en) | 2016-03-22 | 2017-02-27 | Domain selection method and server |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610165443.5A CN107222452A (en) | 2016-03-22 | 2016-03-22 | A kind of area selecting method and server |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107222452A true CN107222452A (en) | 2017-09-29 |
Family
ID=59899347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610165443.5A Pending CN107222452A (en) | 2016-03-22 | 2016-03-22 | A kind of area selecting method and server |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107222452A (en) |
| WO (1) | WO2017162002A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107645723A (en) * | 2016-07-22 | 2018-01-30 | 中国电信股份有限公司 | VoLTE access domain selection method and systems |
| WO2024055818A1 (en) * | 2022-09-13 | 2024-03-21 | 中兴通讯股份有限公司 | Communication method, converged user data management network element, first network element and storage medium |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115002082A (en) * | 2022-05-31 | 2022-09-02 | 中国电信股份有限公司 | Domain gating informed voice playing method and device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101401376A (en) * | 2006-01-10 | 2009-04-01 | 捷讯研究有限公司 | System and method for routing an incoming call to a proper domain in a network environment including IMS |
-
2016
- 2016-03-22 CN CN201610165443.5A patent/CN107222452A/en active Pending
-
2017
- 2017-02-27 WO PCT/CN2017/074981 patent/WO2017162002A1/en active Application Filing
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107645723A (en) * | 2016-07-22 | 2018-01-30 | 中国电信股份有限公司 | VoLTE access domain selection method and systems |
| CN107645723B (en) * | 2016-07-22 | 2020-11-13 | 中国电信股份有限公司 | VoLTE access domain selection method and system |
| WO2024055818A1 (en) * | 2022-09-13 | 2024-03-21 | 中兴通讯股份有限公司 | Communication method, converged user data management network element, first network element and storage medium |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2017162002A1 (en) | 2017-09-28 |
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Application publication date: 20170929 |