CN105873241A - Method and device for establishing talking connection - Google Patents
Method and device for establishing talking connection Download PDFInfo
- Publication number
- CN105873241A CN105873241A CN201610280316.XA CN201610280316A CN105873241A CN 105873241 A CN105873241 A CN 105873241A CN 201610280316 A CN201610280316 A CN 201610280316A CN 105873241 A CN105873241 A CN 105873241A
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- Prior art keywords
- call
- terminal
- message
- setting
- channel resource
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/18—Management of setup rejection or failure
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/15—Setup of multiple wireless link connections
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/30—Connection release
- H04W76/34—Selective release of ongoing connections
- H04W76/36—Selective release of ongoing connections for reassigning the resources associated with the released connections
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention relates to a method and device for establishing talking connection and relates to the technical field of communication. In the process of establishing talking connection, when a talking establishing failure message is received, a redirection talking request is sent to specified equipment which is used for establishing talking connection in a circuit switching CS domain, channel resource information sent by the specified equipment is received, the channel resource information is established by the specified equipment for a terminal when the specified equipment receives the redirection talking request, and the channel resource information is sent to the terminal and used for establishing talking connection with the terminal. In other words, in the process of establishes talking connection with the terminal, when it fails to establish talking connection through a PS domain, management equipment in the PS domain sends the redirection talking request to the specified equipment in the CS domain, the specified equipment is made to establish channel resources for the terminal, then the terminal can establish talking connection through the channel resources, and therefore talking connection time delay is shortened.
Description
Technical field
It relates to communication technical field, particularly relate to a kind of method and device setting up call connection.
Background technology
At present, in the mobile communication network, terminal can be set up call by two kinds of switch modes and connect, should
Two kinds of switch modes include: circuit switched mode and packet switched mode, wherein, for circuit switched mode,
Refer to that setting up call by CS (Circuit Switched, circuit switching) territory connects, this kind of implementation
In, CS territory needs to monopolize the channel resource of formula for each terminal distribution, so that this terminal is by this channel resource
Set up call to connect；And for packet switched mode, refer to by PS (Packet Switch, packet switch)
Territory is set up call and is connected, and in this kind of implementation, different terminals can share same channel resource, i.e. exists
In this same channel resource, different terminals can realize call by the way of by packet packet transmission and connect
Foundation.
In actual application, in order to save channel resource, first terminal selects to be set up by PS territory
Call connects, i.e. terminal realizes IP (Internet Protocol, procotol) by this PS territory to being used for
The IMS (IP Multimedia Subsystem, IP Multimedia System) of speech business in network sends and sets up
Call connection request, when causing setting up call connection failure due to factors such as cell capacity or use density,
This IMS sets up connection failure message by this PS territory to the return of this terminal, and this terminal receives this foundation and connects
After failed message, then connected by the foundation call of CS territory, i.e. this terminal is responsible for setting up the company of call in CS territory
Call connection request is set up in the equipment transmission connect, so that this equipment being responsible for setting up call connection is that this terminal is built
Vertical channel resource, so that this terminal passes through set up channel resource sets up call connection.
Summary of the invention
For overcoming problem present in correlation technique, the disclosure provides a kind of and sets up method and the dress that call connects
Put.
First aspect, it is provided that a kind of method setting up call connection, described method includes:
During setting up call connection, when receiving foundation call failed message, send out to designated equipment
Send redirection call request, at least carried terminal information, described designated equipment in described redirection call request
For being used in circuit-switched CS domain setting up the equipment that call connects, described end message is for request foundation call even
The information of the terminal connect；
Receiving the channel resource information that described designated equipment sends, described channel resource information is by described appointment
Equipment is that described terminal is set up when receiving described redirection call request；
Described channel resource information being sent to described terminal, described channel resource information is for setting up with described
The call of terminal connects.
In conjunction with first aspect, in the first possible implementation of above-mentioned first aspect, described by described
Channel resource information sends extremely described terminal, including:
Based on described channel resource information, generate signaling link release message；
The signaling link release message generated is sent to described terminal.
In conjunction with first aspect, in the implementation that the second of above-mentioned first aspect is possible, described foundation is led to
The process that words connect includes:
Call request message is set up in reception, and described call request message of setting up carries described end message, described
Set up call request message and set up call connection for the terminal that instruction is corresponding with described end message；
Forwarding described call request message of setting up to IP Multimedia System IMS, described IMS is at least used for
Set up call with described terminal to be connected；
Receive described IMS transmission sets up close-talking response message, and described close-talking response message of setting up includes setting up
Call success message or described foundation call failed message.
In conjunction with first aspect, in the third possible implementation of above-mentioned first aspect, build when receiving
During vertical call failed message, also include:
Described foundation call failed message is forwarded to described terminal, to notify that the foundation of described terminal is conversed unsuccessfully,
Described call failed message of setting up connects shape for the preparation indicating described terminal to switch under circuit switched mode
State.
In conjunction with first aspect, in the third possible implementation of above-mentioned first aspect, described appointment sets
Standby for moving exchanging center MSC.
Second aspect, it is provided that a kind of device setting up call connection, described device includes:
First sending module, for during setting up call connection, when receiving, setting up converses unsuccessfully disappears
During breath, send to designated equipment and redirect call request, at least carried terminal in described redirection call request
Information, described designated equipment is that described terminal is believed for setting up the equipment that call connects in circuit-switched CS domain
Breath sets up the information of the terminal that call connects for request；
First receiver module, for receiving the channel resource information that described designated equipment sends, described channel provides
Source information be by described designated equipment when receiving described redirection call request be described terminal set up；
Second sending module, for sending described channel resource information to described terminal, described channel resource
Information is connected with the call of described terminal for setting up.
In conjunction with second aspect, in the first possible implementation of above-mentioned second aspect, described second
Module is sent to include:
Signal generating unit, for based on described channel resource information, generates signaling link release message；
Transmitting element, sends to described terminal for the signaling link release message that will be generated.
In conjunction with second aspect, in the implementation that the second of above-mentioned second aspect is possible, described device is also
Including:
Second receiver module, sets up call request message for reception, and described call request message of setting up is carried
Described end message, described call request message of setting up is for indicating the terminal corresponding with described end message to build
Vertical call connects；
First forwarding module, described sets up call request message for forwarding to IP Multimedia System IMS,
Described IMS is at least for being connected with the foundation call of described terminal；
3rd receiver module, for receive described IMS send set up close-talking response message, described foundation lead to
Words response message includes setting up call success message or described foundation call failed message.
In conjunction with second aspect, in the third possible implementation of above-mentioned second aspect, described device is also
Including:
Second forwarding module, for forwarding described call failed message of setting up to described terminal, described with notice
Terminal is set up and is conversed unsuccessfully, and described call failed message of setting up is used for indicating described terminal to switch to circuit switching
Preparation connection status under pattern.
In conjunction with second aspect, in the 4th kind of possible implementation of above-mentioned second aspect, described appointment sets
Standby for moving exchanging center MSC.
Embodiment of the disclosure that the technical scheme of offer can include following beneficial effect: set up call in terminal
During connection, when setting up call connection failure by PS territory, by the equipment that manages in PS territory (as moved
Dynamic management entity MME etc.) designated equipment that connects for setting up call in CS territory sends and redirects call
Request, so that this designated equipment is this terminal distribution channel resource, i.e. this designated equipment Return Channel resource letter
Breath, this channel resource information is sent to this terminal by this management equipment so that this terminal is by this channel resource
Channel resource indicated by information is set up call and is connected, it is to avoid need terminal to set up connection failure and disappear receiving
After breath, in CS territory, designated equipment sends and sets up call connection request again, thus reduces call when setting up
Prolong, it addition, directly sent this redirection call request by management equipment designated equipment in CS territory in PS territory,
The signaling consumption between terminal and network can be reduced.
It should be appreciated that it is only exemplary and explanatory that above general description and details hereinafter describe,
The disclosure can not be limited.
Accompanying drawing explanation
Accompanying drawing herein is merged in description and constitutes the part of this specification, it is shown that meet the disclosure
Embodiment, and for explaining the principle of the disclosure together with description.
Figure 1A is the schematic diagram according to a kind of implementation environment shown in an exemplary embodiment.
Figure 1B is according to a kind of method flow diagram setting up call connection shown in an exemplary embodiment.
Fig. 2 is according to a kind of method flow diagram setting up call connection shown in another exemplary embodiment.
Fig. 3 is according to a kind of device block diagram setting up call connection shown in an exemplary embodiment.
Fig. 4 is according to a kind of device block diagram setting up call connection shown in another exemplary embodiment.
Fig. 5 is according to a kind of device block diagram setting up call connection shown in another exemplary embodiment.
Fig. 6 is according to a kind of block diagram managing equipment shown in an exemplary embodiment.
Detailed description of the invention
Here will illustrate exemplary embodiment in detail, its example represents in the accompanying drawings.Following retouches
Stating when relating to accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawings represents same or analogous key element.
Embodiment described in following exemplary embodiment does not represent all embodiment party consistent with the disclosure
Formula.On the contrary, they only with describe in detail in appended claims, the disclosure some in terms of mutually one
The example of the apparatus and method caused.
Figure 1A is the schematic diagram according to a kind of implementation environment shown in an exemplary embodiment, this implementation environment master
CS territory 110 to be included, PS territory 120, IMS 130 and terminal 140, wherein, this CS territory 110, PS
Territory 120 and IMS 130 can communicate each other, and this terminal 140 can be by this CS territory 110
Set up call to connect, it is also possible to set up call by this PS territory 120 and connect.
Wherein, this CS territory 110 mainly includes MSC (Mobile Switching Center, mobile switch
Center) 110a and target access network 110b, this MSC 110a at least may be used in the cs domain with terminal
140 set up call connects, and that is to say, this MSC 110a at least may be used for terminal 140 and sets up channel money
Source, in GSM (Global System For Mobile Communication, global system for mobile communications)
Network and 3G (The Third Generation, the third generation) network all include this MSC 110a.Wherein,
In different networks, this target access network 110b is different, such as, in gsm, and this target access network
For GERAN (Global System For Mobile Communication Edge Radio Access
Network, GSM EDGE Radio Access Network), and in 3G network, this target access network 110b is
UTRAN (UMTS Terrestrial Radio Access Network, UMTS (Universal Mobile
Telecommunications System, UMTS) terrestrial access network), this mesh
Tag splice networking 110b is responsible for forwarding the communication data between terminal 140 and MSC 110a, that is to say, in reality
During border realizes, terminal 140 needs, by this target access network 110b, communication data is forwarded to MSC
110a, in like manner, this MSC 110a is also required to, by this target access network 110b, communication data is forwarded to end
End 140.Need exist for explanation, in description below, this target access network 110b is not forwarded logical
The process of letter data describes in detail, that is, hereinafter, will directly use similar terminal 140 to lead to
Letter data transmission is described to the mode of MSC 110a.
Wherein, this PS territory 120 mainly includes management equipment 120a, SGSN (Serving GPRS
(General Packet Radio Service, general packet radio service) Support Node, gprs service
Support node) 120b, E-UTRAN (the evolved UTRAN of Evolved UTRAN) 120c and gateway
120d.Wherein, in LTE (Long Term Evolution, Long Term Evolution) network, this management equipment 120a
Can be MME (Mobility Management Entity, mobile management entity), in other network, should
Management equipment 120a is it is also possible that miscellaneous equipment, such as, in a kind of possible implementation, if at 5G
In (The Fifth Generation, the 5th generation) network, this management equipment 120a it is also possible that chain of command equipment,
The MSC 110a that this management equipment 120a is mainly used in from CS territory obtains channel resource information.Wherein,
This SGSN 120b may be used for terminal 140 and distributes IP address, and this E-UTRAN 120c may be used for turning
Sending out and manage the communication data between equipment 120a in terminal 140 and PS territory, this gateway 120d is used for forwarding IMS
130 and PS territories manage the communication data between equipment 120a, with the most in like manner, hereinafter, the most right
This repeating process is described in detail.
Wherein, this IMS 130 can be based on VoLTE (Voice over LTE, speech business based on LTE)
Technical scheme, coordinates LTE network or 4G (The Forth Generation, forth generation) core network to realize
Voice calling service based on PS territory end to end, wherein, this VoLTE technology is a kind of IP (Internet
Protocol, procotol) data transmission technology, that is to say, by this VoLTE technology, terminal 140 can
To realize voice calling service by IP network.
Wherein, this terminal 140 at least may be used for setting up call and connects, and such as, this terminal 140 can be
The verbal system of such as mobile phone or the like.
Figure 1B is that this is built according to a kind of method flow diagram setting up call connection shown in an exemplary embodiment
The method that vertical call connects can include following step.
In a step 101, during setting up call connection, when receiving foundation call failed message,
Send to designated equipment and redirect call request, at least carried terminal information in this redirection call request, should
Designated equipment is that this end message is set up for request for setting up the equipment that call connects in circuit-switched CS domain
The information of the terminal that call connects.
In a step 102, receiving the channel resource information that this designated equipment sends, this channel resource information is
It is that this terminal is set up when receiving this redirection call request by this designated equipment.
In step 103, sending this channel resource information to this terminal, this channel resource information is used for building
Stand and be connected with the call of this terminal.
In the disclosed embodiments, during terminal sets up call connection, when setting up call by PS territory
During connection failure, it is used in CS territory by PS territory manages equipment (such as mobile management entity MME etc.)
Set up the designated equipment transmission redirection call request that call connects, so that this designated equipment is this terminal distribution
Channel resource, i.e. this designated equipment Return Channel resource information, this channel resource information is sent out by this management equipment
Deliver to this terminal so that this terminal is set up call by the channel resource indicated by this channel resource information and connected,
Avoid the need for terminal receive set up connection failure message after again in CS territory designated equipment send set up
Call connection request, thus reduces call setup delay, it addition, directly by PS territory manages equipment to
In CS territory, designated equipment sends this redirection call request, it is possible to reduce the signaling consumption between terminal and network.
In another embodiment of the disclosure, this channel resource information is sent to this terminal, including:
Based on this channel resource information, generate signaling link release message；
The signaling link release message generated is sent to this terminal.
In another embodiment of the disclosure, the process setting up call connection includes:
Call request message is set up in reception, and this is set up call request message and carries this end message, and this foundation is led to
Words request message is set up call for the terminal that instruction is corresponding with this end message and is connected；
Forwarding this to set up call request message to IP Multimedia System IMS, this IMS is at least used for and this
Terminal is set up call and is connected；
Receive this IMS transmission sets up close-talking response message, and this is set up close-talking response message and includes setting up call
Success message maybe this foundation call failed message.
In another embodiment of the disclosure, when receiving foundation call failed message, also include:
This foundation call failed message is forwarded to this terminal, to notify that the foundation of this terminal is conversed unsuccessfully, this foundation
Call failed message is for indicating this terminal to switch to the preparation connection status under circuit switched mode.
In another embodiment of the disclosure, this designated equipment is moving exchanging center MSC.
Above-mentioned all optional technical schemes, all can be according to arbitrarily combining the alternative embodiment forming the disclosure, this
This is repeated by open embodiment the most one by one.
Fig. 2 is according to a kind of method flow diagram setting up call connection shown in an exemplary embodiment, this reality
Executing example to realize illustrating as a example by the method that this foundation call connects in the most mutual mode, this foundation is conversed
The method connected can include following step.
In step 201, terminal sends to management equipment and sets up call request message, and this sets up call request
Message carried terminal information, this sets up call request message for indicating the terminal corresponding with this end message to build
Vertical call connects.
At present, along with the fast development of mobile communication technology, occur in that LTE network, compared with legacy network,
The message transmission rate of this TLE network is significantly improved, and therefore, LTE network have also been obtained widely
Application.But, owing to LTE network is full IPization network, that is to say, the most only include PS
Territory, does not include CS territory, therefore, in order to realize voice calling service based on this LTE network, and communication
Technical field proposes IMS, and this IMS, by using VoLTE technology, coordinates LTE network to achieve end and arrives
The voice calling service based on PS territory of end, such that it is able to realize high-quality voice calling service.
It addition, compared with setting up call connection with by CS territory, setting up, by PS territory, the realization that call connects
During, it is not necessary to set up the channel resource of exclusive formula for each terminal, the most multiple terminals can be shared same
Channel resource, such that it is able to reach to save the effect of channel resource, therefore, it is generally the case that terminal is being built
When vertical call connects, typically can first select to set up call by PS territory and connect.
That is to say, terminal management equipment in PS territory sends sets up call request message, and this foundation call please
Seek carried terminal information in message.Wherein, management equipment at least can respectively with CS territory and IMS number
According to communication, such as, this management equipment can be MME etc., it addition, above-mentioned end message can include terminal
Mark or subscriber directory number etc., wherein, this terminal iidentification may be used for uniquely identifying a terminal.
Wherein, above-mentioned IMS by use VoLTE technology, coordinate LTE network achieve end to end based on
The specific implementation of the voice calling service in PS territory may refer to prior art, and disclosure embodiment is to this not
Limit.
In step 202., management equipment receives this and sets up call request message, and forwards this foundation to IMS
Call request message, this IMS is at least for being connected with the foundation call of this terminal.
This management equipment receive this when setting up call request message, this is set up call request message and is forwarded to
In this IMS, in order to realized the foundation of voice call in this PS territory by this IMS.
In step 203, whether IMS receives after this sets up call request message, it is judged that currently can set up
Call connects, and sets up close-talking response message to the transmission of this management equipment, and this is set up close-talking response message and includes
Set up call success message maybe this foundation call failed message.
This IMS receives after this sets up call request message, according to current cell capacity, uses the bars such as density
Part, it may be judged whether can with this terminal set up call be connected, and determine whether with this terminal set up lead to
After words connect, send to this management equipment and set up close-talking response message.
If based on current cell capacity, use the condition such as density, determine can and this terminal between set up logical
Words connect, then IMS sends to this management equipment and sets up call success message, in this foundation call success message
Carrying for setting up the resource information that call connects, such as, this resource information includes for setting up carrying even
The IP address information that connects, port numbers etc., now, this foundation call success message is sent by this management equipment
To this terminal, connecting so that this terminal can set up call based on this resource information, that is to say, this is eventually
Hold and can realize, by PS territory, establishment of connection of conversing, in such a case, it is possible to need not perform follow-up step
Rapid 204 to step 207.Whereas if based on current cell capacity, use the conditions such as density, determining can not
Be connected with setting up call between this terminal, then IMS sends to this management equipment and sets up call failed message,
In this case, it would be desirable to perform subsequent step 204 to step 207.
Wherein, IMS is according to conditions such as current cell capacity, use density, it may be judged whether can be with this terminal
The specific implementation setting up call connection may refer to prior art, and this is not limited by disclosure embodiment.
In step 204, when receiving foundation call failed message, this management equipment is sent out to designated equipment
Sending redirection call request, at least carried terminal information in this redirection call request, this designated equipment is CS
For setting up the equipment that call connects in territory.
When this management equipment receives foundation call failed message, explanation can not set up call even by PS territory
Connecing, that is to say, terminal can not be set up call based on LTE network and connect.In this case, in order to
Making terminal still be able to set up voice calling service, this management equipment designated equipment in CS territory sends and resets
To call request, say, that this management equipment replaces terminal CS territory in 2G or 3G network to ask
Ask and set up voice call.Wherein, in a kind of possible implementation, this designated equipment is in mobile switch
Heart MSC, this MSC at least may be used for terminal and set up for the channel resource setting up call.
Wherein, due in the cs domain, need to set up the channel resource of exclusive formula for each terminal, therefore,
This redirection call request also needs to carried terminal information, so that the designated equipment in CS territory is this terminal letter
The unique channel resource of terminal distribution that breath is corresponding.
It addition, when receiving foundation call failed message, this management equipment can also sent out to designated equipment
While sending redirection call request, also forward this foundation call failed message to this terminal, to notify this end
End is set up and is conversed unsuccessfully, and this foundation call failed message is used for indicating this terminal to switch under circuit switched mode
Preparation connection status.So so that terminal is after receiving this foundation call failed message, cut in advance
Change to the preparation connection status under circuit switched mode, such that it is able to reduce call setup delay.
Wherein, the specific implementation of the preparation connection status under above-mentioned terminal switches to circuit switched mode can
To see prior art, this is not limited by disclosure embodiment.
In step 205, this designated equipment is that this terminal sets up letter when receiving this redirection call request
Road resource, and send, to this management equipment, the channel resource information that this channel resource is corresponding.
Wherein, this designated equipment is that this terminal is set up the process that implements of channel resource and be may refer to existing skill
Art, this is not limited by disclosure embodiment.
In step 206, this management equipment receives the channel resource information that this designated equipment sends, and should
Channel resource information sends to terminal.
Wherein, this channel resource information is sent and can include that any one may as follows to terminal by this management equipment
Implementation；
First kind of way: this channel resource information is directly sent to this terminal by this management equipment.
In this kind of implementation, this management equipment receives this channel resource information that this designated equipment sends
After, it is not necessary to this channel resource information is processed, but directly this channel resource information is sent to end
End, so, saves the process time to this channel resource information, thus in a disguised form reduces foundation call
The time delay connected.
The second way: based on this channel resource information, generates signaling link release message, by generated
Signaling link release message sends to this terminal.
In actual application, when setting up call connection failure by PS territory, in order to save link circuit resource,
Under normal circumstances, this management equipment can discharge the signaling link resource between terminal, therefore, this
In two kinds of implementations, this management equipment can generate the release of this signaling link based on this channel resource information
Message, so that terminal is after receiving this signaling link release message, obtains from this signaling link release message
Take this channel resource information, so, the mutual of signaling can be reduced.
Wherein, based on this channel resource information, the specific implementation generating signaling link release message is permissible
Seeing prior art, this is not limited by disclosure embodiment.
In step 207, after terminal receives this channel resource information, indicated by this channel resource information
Channel resource set up call connect.
If terminal does not currently switch to the preparation connection status under circuit switched mode, then terminal is from current shape
State switches to the preparation connection status under this circuit switched mode, and by indicated by this channel resource information
Channel resource is set up call and is connected.Access if terminal currently has switched to the preparation under this circuit switched mode
State, then after terminal receives this channel resource information, directly by the letter indicated by this channel resource information
Road resource is set up call and is connected.
Wherein, terminal sets up the concrete real of call connection by the channel resource indicated by this channel resource information
Existing mode can be found in prior art, and this is not limited by disclosure embodiment.
In addition, it is necessary to explanation, in a kind of possible implementation, converse unsuccessfully when receiving foundation
During message, necessary not only for voice calling service being redirected to CS territory, in addition it is also necessary to data service to be carried out weight
Orientation, such as, is redirected to data service in 3G network, to this end, this management equipment is receiving foundation
During call failed message, in addition it is also necessary to the SGSN in 3G network sends and redirects data connection request, and this is heavy
Directional data connection request sets up data cube computation for instruction and this terminal, that is to say, this SGSN receives
After this redirection data connection request, for this terminal distribution IP address, and this IP address is sent to this management
Equipment, is sent this IP address to terminal by this management equipment, so that data service is redirected to by this terminal
In 3G network, wherein, what data service was redirected in 3G network by terminal implements principle with above
Voice calling service is redirected to the principle in CS territory and is similar to by middle terminal, and disclosure embodiment is situated between the most in detail
Continue.
In the disclosed embodiments, during terminal sets up call connection, when setting up call by PS territory
During connection failure, it is used in CS territory by PS territory manages equipment (such as mobile management entity MME etc.)
Set up the designated equipment transmission redirection call request that call connects, so that this designated equipment is this terminal distribution
Channel resource, i.e. this designated equipment Return Channel resource information, this channel resource information is sent out by this management equipment
Deliver to this terminal so that this terminal is set up call by the channel resource indicated by this channel resource information and connected,
Avoid the need for terminal receive set up connection failure message after again in CS territory designated equipment send set up
Call connection request, thus reduces call setup delay, it addition, directly by PS territory manages equipment to
In CS territory, designated equipment sends this redirection call request, it is possible to reduce the signaling consumption between terminal and network.
Fig. 3 is according to a kind of device block diagram setting up call connection shown in an exemplary embodiment.This foundation
The device that call connects can be by software, hardware or both be implemented in combination with, the dress that this foundation call connects
Put and include the first sending module 310, the first receiver module 320 and the second sending module 330.
This first sending module 310, for during setting up call connection, loses when receiving foundation call
When losing message, send to designated equipment and redirect call request, this redirection call request is at least carried end
Client information, this designated equipment is for setting up the equipment that call connects, this end message in circuit-switched CS domain
The information of the terminal that call connects is set up for request；
This first receiver module 320, for receiving the channel resource information that this designated equipment sends, this channel provides
Source information be by this designated equipment when receiving this redirection call request be this terminal set up；
This second sending module 330, for sending this channel resource information to this terminal, this channel resource is believed
Breath is connected with the call of this terminal for setting up.
Refer to Fig. 4 to Fig. 5, in another embodiment of the disclosure, this second sending module 330 includes:
Signal generating unit, for based on this channel resource information, generates signaling link release message；
Transmitting element, sends to this terminal for the signaling link release message that will be generated.
In another embodiment of the disclosure, this device also includes:
Second receiver module 340, sets up call request message for reception, and this is set up call request message and carries
This end message, this is set up call request message and sets up call for the terminal that instruction is corresponding with this end message
Connect；
First forwarding module 350, for forwarding this to set up call request message to IP Multimedia System IMS,
This IMS is at least for being connected with the foundation call of this terminal；
3rd receiver module 360, for receive this IMS send set up close-talking response message, this foundation lead to
Words response message includes setting up call success message maybe this foundation call failed message.
In another embodiment of the disclosure, this device also includes:
Second forwarding module 370, for forwarding this foundation call failed message to this terminal, to notify this terminal
Setting up converses unsuccessfully, and this foundation call failed message is for indicating this terminal to switch under circuit switched mode
Prepare connection status.
In another embodiment of the disclosure, this designated equipment is moving exchanging center MSC.
In the disclosed embodiments, during terminal sets up call connection, when setting up call by PS territory
During connection failure, it is used in CS territory by PS territory manages equipment (such as mobile management entity MME etc.)
Set up the designated equipment transmission redirection call request that call connects, so that this designated equipment is this terminal distribution
Channel resource, i.e. this designated equipment Return Channel resource information, this channel resource information is sent out by this management equipment
Deliver to this terminal so that this terminal is set up call by the channel resource indicated by this channel resource information and connected,
Avoid the need for terminal receive set up connection failure message after again in CS territory designated equipment send set up
Call connection request, thus reduces call setup delay, it addition, directly by PS territory manages equipment to
In CS territory, designated equipment sends this redirection call request, it is possible to reduce the signaling consumption between terminal and network.
Above first sending module the 310, second sending module the 330, first forwarding module 350 and second turn
Sending out module 370 can be all transmitter or transceiver, above first receiver module the 320, second receiver module
340 and the 3rd receiver module 360 can be all receiver or transceiver, and this first sending module 310,
Second sending module the 330, first forwarding module the 350, second forwarding module the 370, first receiver module 320,
Second receiver module 340 and the 3rd receiver module 360 all can integrate composition transceiver module, right
Transceiver should be embodied as in hardware.
About the device in above-described embodiment, wherein modules performs the concrete mode of operation relevant
The embodiment of the method is described in detail, explanation will be not set forth in detail herein.
Fig. 6 is according to a kind of block diagram managing equipment shown in an exemplary embodiment, it is possible to realize the disclosure
There is provided sets up the method that call connects.This management equipment includes transmitter 632, receiver 631 and difference
The processor 633 being connected with transmitter 632 and receiver 631, wherein, processor 633 is configured to perform
Following steps:
During setting up call connection, when receiving foundation call failed message, by transmitter 632
Send to designated equipment and redirect call request, at least carried terminal information in this redirection call request, should
Designated equipment is that this end message is set up for request for setting up the equipment that call connects in circuit-switched CS domain
The information of the terminal that call connects；
Receiving, by receiver 631, the channel resource information that this designated equipment sends, this channel resource information is
It is that this terminal is set up when receiving this redirection call request by this designated equipment；
Being sent this channel resource information to this terminal by transmitter 632, this channel resource information is used for building
Stand and be connected with the call of this terminal.
In another embodiment of the disclosure, processor 633 is configured to:
Based on this channel resource information, generate signaling link release message；
The signaling link release message generated is sent to this terminal.
In another embodiment of the disclosure, processor 633 is configured to:
Being received by receiver 631 and set up call request message, this is set up call request message and carries this terminal
Information, this is set up call request message and sets up call connection for the terminal that instruction is corresponding with this end message；
This is forwarded to set up call request message by transmitter 632 to IP Multimedia System IMS, this IMS
At least for being connected with the foundation call of this terminal；
By receiver 631 receive this IMS send set up close-talking response message, this is set up close-talking response and disappears
Breath includes setting up call success message maybe this foundation call failed message.
In another embodiment of the disclosure, processor 633 is configured to:
This foundation call failed message is forwarded to this terminal by transmitter 632, logical to notify that this terminal is set up
Talking about unsuccessfully, the preparation that this foundation call failed message switches under circuit switched mode for indicating this terminal is even
Connect state.
In another embodiment of the disclosure, this designated equipment is moving exchanging center MSC.
In the disclosed embodiments, during terminal sets up call connection, when setting up call by PS territory
During connection failure, it is used in CS territory by PS territory manages equipment (such as mobile management entity MME etc.)
Set up the designated equipment transmission redirection call request that call connects, so that this designated equipment is this terminal distribution
Channel resource, i.e. this designated equipment Return Channel resource information, this channel resource information is sent out by this management equipment
Deliver to this terminal so that this terminal is set up call by the channel resource indicated by this channel resource information and connected,
Avoid the need for terminal receive set up connection failure message after again in CS territory designated equipment send set up
Call connection request, thus reduces call setup delay, it addition, directly by PS territory manages equipment to
In CS territory, designated equipment sends this redirection call request, it is possible to reduce the signaling consumption between terminal and network.
Those skilled in the art, after considering description and putting into practice invention disclosed herein, will readily occur to these public affairs
Other embodiment opened.The application is intended to any modification, purposes or the adaptations of the disclosure,
These modification, purposes or adaptations are followed the general principle of the disclosure and include that the disclosure is not disclosed
Common knowledge in the art or conventional techniques means.Description and embodiments is considered only as exemplary
, the true scope of the disclosure and spirit are pointed out by claim below.
It should be appreciated that the disclosure is not limited to accurate knot described above and illustrated in the accompanying drawings
Structure, and various modifications and changes can carried out without departing from the scope.The scope of the present disclosure is only by appended
Claim limits.
Claims (11)
1. set up the method that call connects for one kind, it is characterised in that described method includes:
During setting up call connection, when receiving foundation call failed message, send out to designated equipment
Send redirection call request, at least carried terminal information, described designated equipment in described redirection call request
For being used in circuit-switched CS domain setting up the equipment that call connects, described end message is for request foundation call even
The information of the terminal connect；
Receiving the channel resource information that described designated equipment sends, described channel resource information is by described appointment
Equipment is that described terminal is set up when receiving described redirection call request；
Described channel resource information being sent to described terminal, described channel resource information is for setting up with described
The call of terminal connects.
Method the most according to claim 1, it is characterised in that described described channel resource information is sent out
Deliver to described terminal, including:
Based on described channel resource information, generate signaling link release message；
The signaling link release message generated is sent to described terminal.
Method the most according to claim 1, it is characterised in that the process bag that described foundation call connects
Include:
Call request message is set up in reception, and described call request message of setting up carries described end message, described
Set up call request message and set up call connection for the terminal that instruction is corresponding with described end message；
Forwarding described call request message of setting up to IP Multimedia System IMS, described IMS is at least used for
Set up call with described terminal to be connected；
Receive described IMS transmission sets up close-talking response message, and described close-talking response message of setting up includes setting up
Call success message or described foundation call failed message.
Method the most according to claim 1, it is characterised in that when receiving foundation call failed message
Time, also include:
Described foundation call failed message is forwarded to described terminal, to notify that the foundation of described terminal is conversed unsuccessfully,
Described call failed message of setting up connects shape for the preparation indicating described terminal to switch under circuit switched mode
State.
Method the most according to claim 1, it is characterised in that described designated equipment is in mobile switch
Heart MSC.
6. set up the device that call connects for one kind, it is characterised in that described device includes:
First sending module, for during setting up call connection, when receiving, setting up converses unsuccessfully disappears
During breath, send to designated equipment and redirect call request, at least carried terminal in described redirection call request
Information, described designated equipment is that described terminal is believed for setting up the equipment that call connects in circuit-switched CS domain
Breath sets up the information of the terminal that call connects for request；
First receiver module, for receiving the channel resource information that described designated equipment sends, described channel provides
Source information be by described designated equipment when receiving described redirection call request be described terminal set up；
Second sending module, for sending described channel resource information to described terminal, described channel resource
Information is connected with the call of described terminal for setting up.
Device the most according to claim 6, it is characterised in that described second sending module includes:
Signal generating unit, for based on described channel resource information, generates signaling link release message；
Transmitting element, sends to described terminal for the signaling link release message that will be generated.
Device the most according to claim 6, it is characterised in that described device also includes:
Second receiver module, sets up call request message for reception, and described call request message of setting up is carried
Described end message, described call request message of setting up is for indicating the terminal corresponding with described end message to build
Vertical call connects；
First forwarding module, described sets up call request message for forwarding to IP Multimedia System IMS,
Described IMS is at least for being connected with the foundation call of described terminal；
3rd receiver module, for receive described IMS send set up close-talking response message, described foundation lead to
Words response message includes setting up call success message or described foundation call failed message.
Device the most according to claim 6, it is characterised in that described device also includes:
Second forwarding module, for forwarding described call failed message of setting up to described terminal, described with notice
Terminal is set up and is conversed unsuccessfully, and described call failed message of setting up is used for indicating described terminal to switch to circuit switching
Preparation connection status under pattern.
Device the most according to claim 6, it is characterised in that described designated equipment is mobile switch
Center MSC.
Set up the device that call connects for 11. 1 kinds, it is characterised in that described device includes:
Processor；
For storing the memorizer of processor executable；
Wherein, described processor is configured to:
During setting up call connection, when receiving foundation call failed message, send out to designated equipment
Send redirection call request, at least carried terminal information, described designated equipment in described redirection call request
For being used in circuit-switched CS domain setting up the equipment that call connects, described end message is for request foundation call even
The information of the terminal connect；
Receiving the channel resource information that described designated equipment sends, described channel resource information is by described appointment
Equipment is that described terminal is set up when receiving described redirection call request；
Described channel resource information being sent to described terminal, described channel resource information is for setting up with described
The call of terminal connects.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610280316.XA CN105873241B (en) | 2016-04-29 | 2016-04-29 | Method and device for establishing call connection |
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|---|---|---|---|
| CN201610280316.XA CN105873241B (en) | 2016-04-29 | 2016-04-29 | Method and device for establishing call connection |
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| CN105873241A true CN105873241A (en) | 2016-08-17 |
| CN105873241B CN105873241B (en) | 2020-02-07 |
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| CN201610280316.XA Active CN105873241B (en) | 2016-04-29 | 2016-04-29 | Method and device for establishing call connection |
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| CN105873241B (en) | 2020-02-07 |
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