CN104394602B

CN104394602B - A kind of cross-system call-establishing method, terminal and core network element

Info

Publication number: CN104394602B
Application number: CN201410777395.6A
Authority: CN
Inventors: 曹磊; 秦瑞伦; 周洪波; 王宇
Original assignee: HARBIN HAINENGDA TECHNOLOGY Co Ltd
Current assignee: HARBIN HAINENGDA TECHNOLOGY Co Ltd
Priority date: 2014-12-15
Filing date: 2014-12-15
Publication date: 2018-05-25
Anticipated expiration: 2034-12-15
Also published as: CN104394602A

Abstract

The invention discloses a kind of cross-system call-establishing method, terminal and core network element, wherein method includes：The setup requests for carrying type of call and called system banner are sent to base station, so that the system core net receives the setup requests that base station is sent, corresponding called number is extracted from the setup requests, System Number is called according to the mapping relationship searching between preset system banner and System Number, called System Number and called number are sent to the system gateway, so that the system gateway sends called number according to called System Number to called system gateway, the called system gateway sends the called number to called system, it is called so that the called system establishes this cross-system according to the called number；The broadcast signaling for the carrying traffic channel information that the base station is sent is received, corresponding Traffic Channel is switched to according to the traffic channel information.Such scheme can flexibly realize the call business of cross-system.

Description

A kind of cross-system call-establishing method, terminal and core network element

Technical field

The present invention relates to field of communication technology, more specifically to a kind of cross-system call-establishing method, terminal and core Heart network element.

Background technology

Different system that there are many private network mobile communication, such as PDT, Tetra, the number rule of different system and number section model Enclose and be different from, different manufacturers for homogeneous system also can accommodation number rule and number section scope, therefore, actually should In, how to realize the interconnection of cross-system has become the technological difficulties of private network communication development.

The cross-system interconnected method for group-calling service is only existed in the prior art, and this method utilizes user number in system group Code founds one-to-one mapping relations for two establishments of cross-system；One system group member sends to base station and carries group number Call request, base station send the call request to core net, and core net is exhaled according to the group that group number is established in the system；Gateway according to Subscriber Number and preset mapping relations used by the group that initiation group is exhaled search Subscriber Number in another system group, by another System is established group according to Subscriber Number in the group searched and is exhaled, so as to fulfill the group-calling service of cross-system.

The mutual contact mode of the prior art has the following disadvantages：

The mapping relations pre-established, which limit only pre-set two groups, can realize cross-system group-calling service, If the cross-system group that the two groups are organized respectively at other is supported to exhale, mapping relations must be just changed, are re-established corresponding Mapping relations in addition, this is because pre-establish the mode of correspondence, cause it that can not be suitable for cross-system single call service, Therefore the mode of foundation is exhaled to lack flexibility for this group, the requirement of cross-system call business flexibility can not be met.

The content of the invention

The present invention is actually subjected to solve the problems, such as to be to provide a kind of cross-system call-establishing method, terminal and core network element, To meet the requirement on flexibility of cross-system terminal call business.

In first aspect present invention, a kind of cross-system call-establishing method is provided, applied to end side, this method bag It includes：

The setup requests for carrying type of call and called system banner are sent to base station, so that the system core net connects The setup requests that the base station is sent are received, corresponding quilt is extracted from the setup requests according to type of call It calls out the numbers code, according to the mapping relations between preset system banner and System Number, searches corresponding with the called system banner Called System Number, the called System Number and the called number are sent to the system gateway, so that described the system Gateway sends the called number according to the called System Number to called system gateway, and the called system gateway is to called System sends the called number, is called so that the called system establishes this cross-system according to the called number；

The broadcast signaling for the carrying traffic channel information that the base station is sent is received, is switched according to the traffic channel information To corresponding Traffic Channel.

Preferably, when type of call is exhaled for group, described sent to base station carries type of call and called system banner Setup requests are specially：

Send setup requests to base station, the setup requests include group calling identification, called system banner, this be Group number in group number and called system in system；

Correspondingly, so that the setup requests that the system core net reception base station is sent, class is exhaled according to group Type extracts called system banner from the setup requests, group number in group number and called system in the system；Described System core net distributes interim group number for the calling of this cross-system and sends the interim group number to the base station, so that the base It stands and the calling of this cross-system is established in the system using the interim group number；The system core net is according to preset system Mapping relations between mark and System Number search called System Number corresponding with called system banner, to the system net Group number and the interim group number in the pass transmission called System Number, the called system, so that the system gateway root According to called System Number group number and the interim group number in the called system, the called system are sent to called system gateway Gateway sends the called number and the interim group number to called system, so that the called system uses the interim group number The calling of this cross-system is established for the corresponding group member of group number in called system.

Preferably, when type of call is individual calling, described sent to base station carries type of call and called system banner Setup requests are specially：

Send setup requests to base station, the setup requests include individual calling mark, called system banner and Called terminal number；

Correspondingly, so that the system core net receives the setup requests that the base station is sent, according to individual calling class Type extracts called system banner and called terminal number from the setup requests；According to preset system banner and system Mapping relations between number search called System Number corresponding with the called system banner, to the transmission of the system gateway The called System Number and the called terminal number so that the system gateway according to called System Number to called system Gateway of uniting sends the called terminal number, and the called system gateway sends the called terminal number to called system, with The called system is made to establish the calling of this cross-system for called terminal.

In second aspect of the present invention, a kind of cross-system call-establishing method is provided, applied to network side, the method bag It includes：

Receive the setup requests for carrying type of call and called system banner that base station is sent；

Corresponding called number is extracted from the setup requests according to type of call, according to preset system banner Mapping relations between System Number search called System Number corresponding with the called system banner, to the system net It closes and sends the called System Number and the called number, so that the system gateway leads to according to the called System Number Know that called system gateway is sent to called system and carry called number, so that called system is this time interdepartmental according to called number foundation System calling.

Preferably, it is described to be extracted according to type of call from the setup requests pair when type of call is exhaled for group The number answered according to preset system banner and the direct mapping relations of System Number, is searched and the called system banner pair The called System Number answered sends the called System Number, so that the system gateway is according to the system gateway The called called system gateway of System Number notice sends the address information for carrying called number to called system, so that called system The calling of this cross-system is established according to described address information, including：

According to group type is exhaled to extract called system banner from the setup requests, group number and called in the system Group number in system；

Interim group number is distributed for the calling of this cross-system and sends the interim group number to the base station, so that the base station The calling of this cross-system is established in the system using the interim group number；

According to the mapping relations between preset system banner and System Number, search corresponding with the called system banner Called System Number, send the called System Number to the system gateway, group number and described interim in the called system Group number so that the system gateway according to called System Number to called system gateway send in the called system group number and The interim group number, the called system gateway sends the called number and the interim group number to called system, so that institute Stating called system uses the interim group number to establish the calling of this cross-system for the corresponding group member of group number in called system.

Preferably, it is described to be extracted according to type of call from the setup requests pair when type of call is individual calling The number answered according to preset system banner and the direct mapping relations of System Number, is searched and the called system banner pair The called System Number answered sends the called System Number, so that the system gateway is according to the system gateway The called called system gateway of System Number notice sends the address information for carrying called number to called system, so that called system The calling of this cross-system is established according to described address information, including：

Called system banner and called terminal number are extracted from the setup requests according to individual calling type；

According to preset system banner and the direct mapping relations of System Number, search corresponding with the called system banner Called System Number, the called System Number and called terminal number are sent to the system gateway, so that described the system Gateway sends called terminal number according to the called called system gateway of System Number notice to called system, so that the quilt System is made to establish the calling of this cross-system according to the called terminal number.

In third aspect present invention, a kind of terminal is provided, which includes：

Transmitting element, for sending the setup requests for carrying type of call and called system banner to base station, so that The system core net receives the setup requests that the base station is sent, according to type of call from the setup requests It is middle to extract corresponding called number, according to the mapping relations between preset system banner and System Number, search and the quilt It cries system banner corresponding called System Number, the called System Number and the called number is sent to the system gateway, So that the system gateway sends the called number according to the called System Number to called system gateway, it is described called System gateway sends the called number to called system so that the called system according to the called number establish this time across System calling；

Receiving unit, for receiving the broadcast signaling for the carrying traffic channel information that the base station is sent, according to the industry Business channel information switches to corresponding Traffic Channel.

Preferably, when type of call is exhaled for group, the transmitting element is specifically used for：

Preferably, when type of call is individual calling, the transmitting element is specifically used for：

In fourth aspect present invention, a kind of core network element is provided, which includes：

Receiving unit, for receiving the setup requests for carrying type of call and called system banner of base station transmission；

Extraction and searching unit, for extracting corresponding called number from the setup requests according to type of call Code according to the mapping relations between preset system banner and System Number, searches quilt corresponding with the called system banner System Number is, the called System Number and the called number are sent to the system gateway, so that the system gateway It is sent according to the called called system gateway of System Number notice to called system and carries called number, so that called system root The calling of this cross-system is established according to called number.

Preferably, when type of call is exhaled for group, the extraction and searching unit, including：

First extraction subelement, for according to group exhale type extract from the setup requests be called system banner, Group number in group number and called system in the system；

Distribution and transmission sub-unit, for distributing interim group number and to described in the transmission of the base station for the calling of this cross-system Interim group number calls so that this cross-system is established in the base station using the interim group number in the system；

First searches and transmission sub-unit, for according to the mapping relations between preset system banner and System Number, Called System Number corresponding with the called system banner is searched, to the system gateway transmission called System Number, institute State group number and the interim group number in called system so that the system gateway according to called System Number to called system network It closes and sends group number and the interim group number in the called system, the called system gateway sends described called to called system Number and the interim group number, so that the called system uses the interim group number as in corresponding group of group number in called system Member establishes the calling of this cross-system.

Preferably, when type of call is individual calling, the extraction and searching unit, including：

Second extraction subelement, for extract according to individual calling type from the setup requests called system banner with Called terminal number；

Second searches and transmission sub-unit, for according to preset system banner and the direct mapping relations of System Number, Search called System Number corresponding with the called system banner, to the system gateway transmission called System Number and by Termination number is, so that the system gateway is sent out according to the called called system gateway of System Number notice to called system Called terminal number is sent, is called so that the called system establishes this cross-system according to the called terminal number.

In fifth aspect present invention, a kind of core network element is provided, which includes at least one processor, At least one network interface or other communication interfaces, memory and at least one communication bus；The memory is used to store Program instruction, the processor, which is used to be instructed according to described program, performs following steps：

Corresponding called number is extracted from the setup requests according to type of call, according to preset system banner Mapping relations between System Number search called System Number corresponding with the called system banner, to the system net It closes and sends the called System Number and the called number, so that the system gateway leads to according to the called System Number Know that called system gateway is sent to called system and carry called number, so that called system is established this time according to the called number Cross-system calls.

In sixth aspect present invention, a kind of terminal is provided, which includes at least one processor, at least one network Interface or other communication interfaces, memory and at least one communication bus；The memory is for storing program instruction, institute It states processor and performs following steps for being instructed according to described program：

It can be seen from above-mentioned technical proposal terminal to base station send cross-system setup requests when, in the request Carry type of call and called system banner；Base station sends the request to the system core net, and the system core net is according to calling Type extracts corresponding called number from the request, and is closed according to the mapping between preset system banner and System Number Called System Number corresponding with the called system banner is searched by system, to the system gateway transmission called System Number With the called number so that the system gateway sends the quilt according to the called System Number to called system gateway It calls out the numbers code, the called system gateway sends the called number to called system, so that the called system is according to the quilt Code of calling out the numbers establishes the calling of this cross-system.

Due to the mapping relations being prefixed in core net between system banner and System Number, whether that is System, core net can be identified by preset mapping relations, and then called system is notified to establish this cross-system and exhale It cries；For terminal, it is only necessary to called system banner is carried in setup requests, core net can just identify called system System, it is possible to realize the calling of cross-system.

The present invention is the angle of the group membership from system perspective rather than out of system, therefore, from group and group Between mapping relations limitation, for any group member, can arbitrarily realize and be exhaled with the group of other systems or individual calling.

Description of the drawings

It in order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also To obtain other attached drawings according to these attached drawings.

Fig. 1 is the flow chart of end side cross-system call-establishing method embodiment 1 of the present invention；

Fig. 2 is the flow chart of end side cross-system call-establishing method embodiment 2 of the present invention；

Fig. 3 is the flow chart of end side cross-system call-establishing method embodiment 3 of the present invention；

Fig. 4 is the flow chart of core-network side cross-system call-establishing method embodiment 1 of the present invention；

Fig. 5 is the flow chart of core-network side cross-system call-establishing method embodiment 2 of the present invention；

Fig. 6 is the flow chart of core-network side cross-system call-establishing method embodiment 3 of the present invention；

Fig. 7 is a kind of schematic diagram of terminal embodiment 1 of the present invention；

Fig. 8 is a kind of schematic diagram of core network element embodiment 1 of the present invention；

Fig. 9 is that core network element hardware of the present invention forms schematic diagram；

Figure 10 is that terminal hardware of the present invention forms schematic diagram.

Specific embodiment

In order to which those skilled in the art is made to more fully understand the scheme of the embodiment of the present invention, below in conjunction with the accompanying drawings and implement Mode is described in further detail the embodiment of the present invention.

Embodiment 1

Referring to Fig. 1, the flow chart of the end side cross-system call-establishing method embodiment 1 of the present invention shown, this method is It is described from the angle of end side, this method may include：

S101 sends the setup requests for carrying type of call and called system banner to base station, so that the system core Heart net receives the setup requests that the base station is sent, and is extracted according to type of call from the setup requests pair The called number answered according to the mapping relations between preset system banner and System Number, is searched and the called system mark Know corresponding called System Number, the called System Number and the called number are sent to the system gateway, so that described The system gateway sends the called number, the called system gateway according to the called System Number to called system gateway The called number is sent to called system, is exhaled so that the called system establishes this cross-system according to the called number It cries.

For technical solution of the present invention mainly for professional wireless communication system, terminal can be embodied as intercom, intelligent hand The equipment that machine etc. supports professional wireless communication technique.Below by taking intercom as an example, the realization process of the present invention is explained It is bright.

User can initiate setup requests by intercom, must include in setup requests type of call and by It is system banner；Here type of call is specifically used for mark, and this time calling is that individual calling or group are exhaled；Here called system banner There is one-to-one relationship between called System Number；Although its number format of different systems and length differ, can Different system is distinguished with different identification using same format and length.

Here illustrate, exhaled since terminal may initiate cross-system group, it is also possible to initiate cross-system individual calling； When initiation cross-system group is exhaled, it is necessary to group number in called system is carried in setup requests, it can be two that cross-system group, which is exhaled, Group between a two groups of system is exhaled or the group between multiple systems between multiple groups is exhaled；When initiating cross-system individual calling, Called terminal number must be then carried in setup requests, therefore, the system core net can be extracted according to type of call Group number or called terminal number in called system.

Here illustrate, must be pre-configured in the system core net each system banner and System Number it Between mapping relations one by one, specifically, the different identification of same format and equal length may be employed distinguish different system compile Number.In this way, the system core net can search called System Number corresponding with called system banner, then called system is compiled Number and called number be sent to the system gateway.

Here illustrate, for gateway, the system belonged to other can be determined according to System Number Gateway, therefore, the system gateway can determine called system gateway according to called System Number, called number is sent to called System gateway, and called number can be sent to called system by called system gateway, be established by called system in its system This time cross-system calling.

Next this cross-system calling procedure is established to called system to be briefly described.

Called system includes called system core net and base station, and base station can be understood as participating in this time in called system here The base station that the terminal of calling is belonged to.Called number is sent to called system core net by called system gateway, is called system core Called number is then forwarded to terminal attaching base station by heart net, resource is distributed by the base station for this call business, by what is distributed Traffic channel information informs terminal by broadcast signaling, and terminal can switch to Traffic Channel, receive data.

S102 receives the broadcast signaling for the carrying traffic channel information that the base station is sent, is believed according to the Traffic Channel Breath switches to corresponding Traffic Channel.

Explanation is needed exist for, for base station, the foundation instruction of core net transmission can be received, built according to this The vertical this time cross-system call business distribution traffic channel resource for being designated as terminal initiation, then will specifically be divided by broadcast signaling The Traffic Channel matched somebody with somebody informs terminal, so as to which terminal can switch to the Traffic Channel, receives data.

Embodiment 2

Next explanation is further explained to the present invention from the angle of cross-system group-calling service respectively.

It is described below from end side angle, the end side cross-system call-establishing method of embodiment 2, this method includes： S201 and S202,

S201 sends setup requests to base station, and the setup requests include group calling identification, called system mark Know, group number in group number and called system in the system；

S202 receives the traffic channel information that base station is sent, Traffic Channel is switched to according to the traffic channel information, with Complete call setup.

Below by taking application scenarios as an example, explanation is further explained to the method for embodiment 2.

Referring to Fig. 2, the flow chart of the cross-system call-establishing method embodiment 2 shown.

Cross-system group-calling service between two systems in Fig. 2 is shown, is specially system A, group 1, organizes member UE1 in 1, ownership Base station eNodeB 1；System B, group 2,2 home base station eNodeB2 of group, member UE1 is initiated and system B in group 1 in only system A below Cross-system group-calling service between interior group 2 is example, and example 2 above is explained.

Member UE1 initiates group-calling service in group 1 in system A, it is necessary to which sending call setup to its home base station eNodeB1 please It asks, setup requests here need to include group calling identification, system B marks, group 1 and group 2.In this request, System B marks can be regarded as called system banner；Group 1 can be regarded as the system group number；Group 2 can be regarded as in called system Group number.

ENodeB1 receives the setup requests of UE1 initiations, and eNodeB1 sends call setup to system A core nets please It asks, system A core nets exhale type extraction system B marks, group 1 and group information such as No. 2 from setup requests according to group.

First UE1 is authenticated for system A core nets and resource allocation.Certainly, system A core nets only the authentication is passed it It can just carry out resource allocation and subsequent processing afterwards, therefore the present invention only emphasizes the situation after the authentication is passed here, and close In authentication not by situation mode of the prior art may be employed.

After the authentication is passed, system A core nets distribute interim group number, the interim group number for the UE1 group-calling services initiated The Provisional Accession Number that 2 group-calling services are organized in 1 and system B is organized in the system A exhaled as this group, convenient for the data in the two groups Transmission.

The interim group number distributed is sent to eNodeB1 by system A core nets so that eNodeB1 use interim group number for All members establish group-calling service in group 1.

System A core nets send called System Number, group No. 2 and interim group number to the system gateway 1, in this way, this is Gateway 1 of uniting identifies called system B gateways 2 according to called System Number, to called 2 transmission group of system B gateways No. 2 and interim group Number；Group 2 and interim group number are sent to called system B by called system B gateways 2, are established this group by called system B and are exhaled.Quilt It is as follows that the system B of crying establishes the detailed process that this group is exhaled：

For called system B gateways 2 to called system B core net transmissions group 2 and interim group number, being called system B core nets will These information are sent to 2 home base stations 2 of group, establish this group using interim group number by 2 home base stations 2 of group and exhale, for 2 members of group point With Traffic Channel, and pass through broadcast signaling and inform 2 members of group, organize all members in 2 and switch to Traffic Channel, receive data.

For UE1, home base station eNodeB1 can receive system A core nets transmission foundation instruction after, This group is established using interim group number to exhale, the traffic channel information specifically distributed can be sent to by eNodeB1 by broadcast channel Terminal, UE1 can receive broadcast signaling, and switch to Traffic Channel, receive data.Likewise, other members can also connect in group 1 Broadcast signaling is received, and switches to Traffic Channel.

Embodiment 3

From end side, angle describes the end side cross-system call-establishing method of embodiment 3 below, and this method includes：S301 And S302,

Referring to Fig. 3, the flow chart of the cross-system call-establishing method embodiment 3 of the present invention shown, this method is from terminal Angle description, this method may include S301 and S302,

S301 sends setup requests to base station, and the setup requests include individual calling mark, called system banner And called terminal number；So that the system core net receives the setup requests that the base station is sent, according to individual calling Type extracts called system banner and called terminal number from the setup requests；According to preset system banner with being Mapping relations between unified editing number search called System Number corresponding with the called system banner, to the system gateway hair Send the called System Number and the called terminal number so that the system gateway according to called System Number to called System gateway sends the called terminal number, and the called system gateway sends the called terminal number to called system, So that the called system establishes the calling of this cross-system for called terminal.

S302 receives the broadcast signaling for the carrying traffic channel information that the base station is sent, is believed according to the Traffic Channel Breath switches to corresponding Traffic Channel.

Below by taking application scenarios as an example, explanation is further explained to the method for embodiment 3.

Referring to Fig. 3, the flow chart of the cross-system call-establishing method embodiment 3 shown.

Cross-system single call service between two systems in Fig. 3 is shown, is system A, UE1, home base station eNodeB1；System B, UE2, home base station eNodeB2, below only by taking the cross-system individual calling that UE1 is initiated between UE2 as an example, to example 3 above Lay down a definition explanation.

UE1 to home base station eNodeB1 send setup requests, in setup requests carry unitary call mark, Called system banner and called terminal number；ENodeB1 sends setup requests to system A core nets, by system A cores Net extracts called system banner and called terminal number according to individual calling type from setup requests.

After the authentication is passed, system A core nets according to the mapping relations between preset system banner and System Number, Called System Number corresponding with the called system banner is searched, to the system gateway transmission called System Number and institute State called terminal number；

The system gateway sends the called terminal number according to called System Number to called system gateway, described called System gateway sends the called terminal number to called system, so that the called system is this time interdepartmental for called terminal foundation System calling.

For UE1, home base station eNodeB1 can receive system A core nets transmission foundation instruction after, It distributes Traffic Channel for it and passes through broadcast channel and the traffic channel information specifically distributed is sent to terminal, UE1 can be received Broadcast signaling simultaneously switches to Traffic Channel, can receive data.

When can be seen that by above-described embodiment 1-3 technical solutions using the present invention, terminal passes through setup requests The middle dial mode for carrying type of call and called system banner so that the system core net is extracted corresponding according to type of call Called number, called number is sent according to called system banner to called system, this is established according to called number by called system Secondary call business.The present invention is the angle of the group membership from system perspective rather than out of system, therefore, from group Mapping relations limitation between group for any group member, can be realized arbitrarily and exhaled with the group of other systems or single It exhales.

Embodiment 4

Example 1 above -3 is to describe the present invention from end side angle, below the present invention is made from network side angle into One step illustrates.

Referring to Fig. 4, the flow chart of the inventive network side cross-system call-establishing method embodiment 1 shown, this method can Including：

S401 receives the setup requests for carrying type of call and called system banner that base station is sent.

In specific implementation, terminal initiates the call establishment of cross-system, first sends call setup to its home base station Request carries type of call and called system banner in setup requests；Its home base station receives setup requests Afterwards, the request will be sent to the system core net.

S402, corresponding called number is extracted according to type of call from the setup requests, is according to preset Mapping relations between system mark and System Number search called System Number corresponding with the called system banner, Xiang Ben System gateway sends the called System Number and the called number, so that the system gateway is according to the called system The called system gateway of number notice is sent to called system carries called number, so that called system is built according to the called number Stand the calling of this cross-system.

In specific implementation, the system core net first extracts corresponding called number according to type of call, according to preset Mapping relations between system banner and System Number search called System Number corresponding with the called system banner；So Afterwards, the called System Number and the called number are sent to the system gateway；In this way, the system gateway can be according to called System Number determines called system gateway, and called number is sent to called system gateway, by being called system gateway by called number Called system is sent to, system is called and this time calling is established according to called number.

Embodiment 5

Next from group the angle with individual calling is exhaled to be further explained explanation to the present invention respectively.

Referring to Fig. 5, the flow chart of the network side cross-system call-establishing method embodiment 2 shown, this method be applied to across Group call service, this method may include：

S501 receives the setup requests for carrying type of call and called system banner that base station is sent.

Terminal initiates the setup requests of cross-system group-calling service, and the setup requests of group-calling service exhale mark including group Know, group number in group number and called system in called system banner, the system.The call setup that base station receives terminal transmission please It asks and sends it to the system core net.The present embodiment is described from the angle of the system core net.

S502, according to group exhale type extracted from the setup requests called system banner, in the system group number with And group number in called system.

S503 distributes interim group number for the calling of this cross-system and sends the interim group number to the base station, so that institute It states base station and the calling of this cross-system is established in the system using the interim group number.

S504 according to the mapping relations between preset system banner and System Number, is searched and the called system mark Know corresponding called System Number, group number and institute into the system gateway transmission called System Number, the called system Interim group number is stated, so that the system gateway is sent to called system gateway in the called system according to called System Number Group number and the interim group number, the called system gateway send the called number and the interim group number to called system, So that the called system uses the interim group number to establish this cross-system for the corresponding group member of group number in called system Calling.

Such as：Cross-system group-calling service between two systems is specially system A, group 1, organizes member UE1, home base station in 1 eNodeB1；System B, group 2,2 home base station eNodeB2 of group, member UE1 is initiated and group in system B in group 1 in only system A below Cross-system group-calling service between 2 is example, and explanation is further explained to above-mentioned S501-S503.

Embodiment 6

Referring to Fig. 6, the flow chart of the network side cross-system call-establishing method embodiment 3 shown, this method be applied to across System single call service, this method may include：

S601 receives the setup requests for carrying type of call and called system banner that terminal is sent.

Terminal initiates the setup requests of cross-system single call service, and the setup requests of single call service include individual calling mark Know, be called system banner and called terminal number.

S602 extracts called system banner and called terminal number according to individual calling type from the setup requests；

S603 according to preset system banner and the direct mapping relations of System Number, is searched and the called system mark Know corresponding called System Number, the called System Number and called terminal number are sent to the system gateway, so that described The system gateway sends called terminal number according to the called called system gateway of System Number notice to called system, so that The called system establishes the calling of this cross-system according to the called terminal number.

Such as：Cross-system single call service between two systems is specially system A, UE1, home base station eNodeB1；System B, UE2, home base station eNodeB2, below only in system A member UE1 initiate and system B in cross-system list between member UE2 Exemplified by exhaling foundation, explanation is further explained to above-mentioned S601-S603.

UE1 initiates the setup requests in UE1 and system B between UE2 in system A in system A, and setup requests must The number of individual calling mark, the mark of called system B and called terminal UE2 must be included.

ENodeB1 receives the setup requests of UE1 initiations, and type of call is identified as individual calling；ENodeB1 is first according to list Type is exhaled to extract the mark of called system B and the number of called terminal UE2 from request；It is to be understood that base station is according to pre- The data format put extracts corresponding number.

First into system A core nets, eMME1 sends setup requests to eNodeB1, and type of service is identified as individual calling； EMME1 authenticates UE1 and judges whether it has permission initiation group-calling service, if authentication is not by eMME1 refusals The service request of UE1.If the authentication is passed, eMME1 completes the uplink loading establishing process of UE1, completes radio bearer sum aggregate Group's S1 carryings, such UE1 sends upstream data, such as the information such as voice, called terminal UE1 can receive downlink data.

Meanwhile gateway GW1 sends the mark and called terminal for carrying called system B in eMME1 notice system A core nets The address information of UE2, GW1 are called system B, the gateway GW2 into called system B core nets according to the mark identification of called system B The address information for the number for carrying called UE 2 is sent, the address information for the number that the GW2 for being called system B will carry called UE 2 is sent out Base station 2 is given, this individual calling is established by base station 2 for UE2, in this way, UE2 can receive the data of UE1 transmissions.

When can be seen that by above-described embodiment 4-6 technical solutions using the present invention, terminal passes through setup requests The middle dial mode for carrying type of call and called system banner so that the system core net is extracted corresponding according to type of call Called number, called number is sent according to called system banner to called system, this is established according to called number by called system Secondary call business.The present invention is the angle of the group membership from system perspective rather than out of system, therefore, from group Mapping relations limitation between group for any group member, can be realized arbitrarily and exhaled with the group of other systems or single It exhales.

Embodiment 7

Corresponding to 1 ￣ 3 of above method embodiment, the present invention also provides a kind of terminal, (terminal can be and base station communication Equipment, such as intercom, smart mobile phone etc.), referring to Fig. 7, show the schematic diagram of terminal embodiment 1 of the present invention, it may include：

Transmitting element 701, for sending the setup requests for carrying type of call and called system banner to base station, with The system core net is made to receive the setup requests that the base station is sent, it please from the call setup according to type of call Seek the corresponding called number of middle extraction, according to the mapping relations between preset system banner and System Number, search with it is described The corresponding called System Number of called system banner sends the called System Number and the called number to the system gateway Code, so that the system gateway sends the called number according to the called System Number to called system gateway, it is described Called system gateway sends the called number to called system, so that the called system establishes this according to the called number Secondary cross-system calling；

Receiving unit 702, for receiving the broadcast signaling for the carrying traffic channel information that the base station is sent, according to described Traffic channel information switches to corresponding Traffic Channel.

As the preferred embodiments of the invention, when type of call is exhaled for group, the transmitting element is specifically used for：

As another preferred embodiment of the present invention, when type of call is individual calling, the transmitting element is specifically used In：

Embodiment 8

Corresponding to 4 ￣ 6 of above method embodiment, the present invention also provides a kind of base stations, referring to Fig. 8, show base of the present invention The schematic diagram of embodiment of standing 1, it may include：

Receiving unit 801, the call setup for carrying type of call and called system banner for receiving base station transmission please It asks；

Extraction and searching unit 802, it is corresponding called for being extracted according to type of call from the setup requests Number according to the mapping relations between preset system banner and System Number, is searched corresponding with the called system banner Called System Number sends the called System Number and the called number, so that the system net to the system gateway It closes to be sent to called system according to the called called system gateway of System Number notice and carries called number, so that called system The calling of this cross-system is established according to called number.

As the preferred embodiments of the invention, when type of call is exhaled for group, the extraction and searching unit, including：

As another preferred embodiment of the present invention, when type of call is individual calling, the extraction and searching unit, Including：

It is understood that the present invention can be used in numerous general or special purpose computing system environments or configuration.Such as：It is a People's computer, server computer, handheld device or portable device, laptop device, multicomputer system, based on microprocessor The system of device, set top box, programmable consumer-elcetronics devices, network PC, minicomputer, mainframe computer, including to take up an official post Distributed computing environment of what system or equipment etc..

Further, the embodiment of the present invention additionally provides core network element and the hardware of terminal is formed.Core network element It is identical with the hardware composition of terminal, it may include at least one processor (such as CPU), at least one network interface or other are logical Believe interface, memory and at least one communication bus, the connection communication being used to implement between these devices.Processor is used to hold The executable module stored in line storage, such as computer program.Memory may include high-speed random access memory (RAM：RandomAccessMemory), it is also possible to further include non-labile memory (non-volatilememory), example Such as at least one magnetic disk storage.By at least one network interface (can be wired or wireless) realize the system gateway with Communication connection between at least one other network element can use internet, wide area network, local network, Metropolitan Area Network (MAN) etc..

Referring to Fig. 9, in some embodiments, program instruction, program instruction are stored in the memory of core network element It can be executed by processor, wherein, program instruction may include receiving unit 801 and extraction and searching unit 802, the tool of each unit Body, which is realized, can be found in 8 revealed corresponding units of embodiment, and which is not described herein again.

Referring to Figure 10, in some embodiments, program instruction is stored in the memory of terminal, program instruction can be by Processor performs, and wherein program instruction may include transmitting element 701 and receiving unit 702, and the specific implementation of each unit can be found in 7 revealed corresponding units of embodiment, which is not described herein again.

The present invention can be described in the general context of computer executable instructions, such as program Module.Usually, program module includes routines performing specific tasks or implementing specific abstract data types, program, object, group Part, data structure etc..The present invention can also be put into practice in a distributed computing environment, in these distributed computing environment, by Task is performed and connected remote processing devices by communication network.In a distributed computing environment, program module can be with In the local and remote computer storage media including storage device.

It should be noted that herein, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to Non-exclusive inclusion, so that process, method, article or equipment including a series of elements not only will including those Element, but also including other elements that are not explicitly listed or further include as this process, method, article or equipment Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that Also there are other identical elements in process, method, article or equipment including the element.

For device embodiment, since it corresponds essentially to embodiment of the method, so related part is real referring to method Apply the part explanation of example.The apparatus embodiments described above are merely exemplary, wherein described be used as separating component The unit of explanation may or may not be physically separate, and the component shown as unit can be or can also It is not physical location, you can be located at a place or can also be distributed in multiple network element.It can be according to reality It needs that some or all of module therein is selected to realize the purpose of this embodiment scheme.Those of ordinary skill in the art are not In the case of making the creative labor, you can to understand and implement.

The above is only the specific embodiment of the present invention, it is noted that for the ordinary skill people of the art For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications also should It is considered as protection scope of the present invention.

Claims

1. a kind of cross-system call-establishing method, applied to end side, which is characterized in that including：

The setup requests for carrying type of call and called system banner are sent to base station, so that the system core net receives institute The setup requests of base station transmission are stated, corresponding called number is extracted from the setup requests according to type of call Code according to the mapping relations between preset system banner and System Number, searches quilt corresponding with the called system banner System Number is, the called System Number and the called number are sent to the system gateway, so that the system gateway The called number is sent to called system gateway according to the called System Number, the called system gateway is to called system The called number is sent, is called so that the called system establishes this cross-system according to the called number；

The broadcast signaling for the carrying traffic channel information that the base station is sent is received, is switched to pair according to the traffic channel information The Traffic Channel answered.

2. according to the method described in claim 1, it is characterized in that, when type of call is exhaled for group, described sent to base station is taken Setup requests with type of call and called system banner are specially：

Setup requests are sent to base station, the setup requests are including in group calling identification, called system banner, the system Group number in group number and called system；

Correspondingly, so that the system core net receives the setup requests that the base station is sent, according to group exhale type from Called system banner is extracted in the setup requests, group number in group number and called system in the system；Described the system Core net distributes interim group number for the calling of this cross-system and sends the interim group number to the base station, so that the base station is adopted This cross-system is established in the system with the interim group number to call；The system core net is according to preset system banner Mapping relations between System Number search called System Number corresponding with called system banner, are sent out to the system gateway The called System Number is sent, group number and the interim group number in the called system, so that the system gateway is according to quilt System Number is made to send group number and the interim group number in the called system, the called system gateway to called system gateway The called number and the interim group number are sent to called system, so that the called system uses the interim group number as quilt The corresponding group member of group number in system is made to establish the calling of this cross-system.

3. according to the method described in claim 1, it is characterized in that, when type of call is individual calling, described sent to base station is taken Setup requests with type of call and called system banner are specially：

Setup requests are sent to base station, the setup requests include individual calling mark, called system banner and are called Termination number；

Correspondingly, so that the system core net receives the setup requests that the base station is sent, according to individual calling type from Called system banner and called terminal number are extracted in the setup requests；According to preset system banner and System Number Between mapping relations, called System Number corresponding with the called system banner is searched, to described in the transmission of the system gateway Called System Number and the called terminal number so that the system gateway according to called System Number to called system network It closes and sends the called terminal number, the called system gateway sends the called terminal number to called system, so that institute It states called system and establishes the calling of this cross-system for called terminal.

4. a kind of cross-system call-establishing method, applied to network side, which is characterized in that including：

Corresponding called number is extracted from the setup requests according to type of call, according to preset system banner with being Mapping relations between unified editing number search called System Number corresponding with the called system banner, to the system gateway hair The called System Number and the called number are sent, so that the system gateway notifies quilt according to the called System Number System gateway is made to be sent to called system and carries called number, so that called system is this time interdepartmental according to called number foundation System calling.

It is 5. described according to type of call according to the method described in claim 4, it is characterized in that, when type of call is exhaled for group Corresponding number is extracted from the setup requests, pass is directly mapped according to preset system banner and System Number Called System Number corresponding with the called system banner is searched by system, to the system gateway transmission called System Number, It is called so that the system gateway sends to carry according to the called called system gateway of System Number notice to called system The address information of number, so that called system establishes the calling of this cross-system according to described address information, including：

According to group type is exhaled to extract called system banner from the setup requests, group number and called system in the system Interior group number；

Interim group number is distributed for the calling of this cross-system and sends the interim group number to the base station, so that the base station uses The interim group number establishes the calling of this cross-system in the system；

According to the mapping relations between preset system banner and System Number, quilt corresponding with the called system banner is searched System Number is, group number and the interim group number into the system gateway transmission called System Number, the called system, So that the system gateway sends in the called system group number and described according to called System Number to called system gateway Interim group number, the called system gateway sends the called number and the interim group number to called system, so that the quilt Make system that the interim group number be used to establish the calling of this cross-system for the corresponding group member of group number in called system.

6. according to the method described in claim 4, it is characterized in that, when type of call be individual calling when, it is described according to type of call Corresponding number is extracted from the setup requests, pass is directly mapped according to preset system banner and System Number Called System Number corresponding with the called system banner is searched by system, to the system gateway transmission called System Number, It is called so that the system gateway sends to carry according to the called called system gateway of System Number notice to called system The address information of number, so that called system establishes the calling of this cross-system according to described address information, including：

According to preset system banner and the direct mapping relations of System Number, quilt corresponding with the called system banner is searched System Number is, the called System Number and called terminal number are sent to the system gateway, so that the system gateway Called terminal number is sent to called system according to the called called system gateway of System Number notice, so that the called system System establishes the calling of this cross-system according to the called terminal number.

7. a kind of terminal, which is characterized in that including：

Transmitting element, for sending the setup requests for carrying type of call and called system banner to base station, so that this is Core net of uniting receives the setup requests that the base station is sent, and is carried according to type of call from the setup requests Corresponding called number is taken, according to the mapping relations between preset system banner and System Number, is searched and the called system System identifies corresponding called System Number, and the called System Number and the called number are sent to the system gateway, so that The system gateway sends the called number, the called system according to the called System Number to called system gateway Gateway sends the called number to called system, so that the called system establishes this cross-system according to the called number Calling；

Receiving unit for receiving the broadcast signaling for the carrying traffic channel information that the base station is sent, is believed according to the business Road information switches to corresponding Traffic Channel.

8. terminal according to claim 7, which is characterized in that when type of call is exhaled for group, the transmitting element is specific For：

9. a kind of core network element, which is characterized in that including：

Extraction and searching unit, for extracting corresponding called number, root from the setup requests according to type of call According to the mapping relations between preset system banner and System Number, called system corresponding with the called system banner is searched Number sends the called System Number and the called number, so that the system gateway is according to institute to the system gateway It states the called called system gateway of System Number notice and sends carrying called number to called system, so that called system is according to called Number establishes the calling of this cross-system.

10. core network element according to claim 9, which is characterized in that when type of call is exhaled for group, it is described extraction and Searching unit, including：

First extraction subelement, for according to group exhale type extract from the setup requests be called system banner, this be Group number in group number and called system in system；

Distribution and transmission sub-unit, for distributing interim group number for the calling of this cross-system and being sent to the base station described interim Group number calls so that this cross-system is established in the base station using the interim group number in the system；

First lookup and transmission sub-unit, for according to the mapping relations between preset system banner and System Number, searching Called System Number corresponding with the called system banner sends the called System Number, the quilt to the system gateway Group number and the interim group number in system are, so that the system gateway is sent out according to called System Number to called system gateway Group number and the interim group number in the called system are sent, the called system gateway sends the called number to called system With the interim group number so that the called system uses the interim group number as the corresponding group member of group number in called system Establish the calling of this cross-system.

11. a kind of core network element, which is characterized in that including at least one processor, at least one network interface or other Communication interface, memory and at least one communication bus；The memory for storing computer program, use by the processor According to computer program execution following steps：

12. a kind of terminal, which is characterized in that including at least one processor, at least one network interface or other communications connect Mouthful, memory and at least one communication bus；For the memory for storing computer program, the processor is used for basis The computer program performs following steps：