CN1283088C

CN1283088C - Method of realizing CPH function in intelligent network

Info

Publication number: CN1283088C
Application number: CN 02153086
Authority: CN
Inventors: 张辉; 秦红
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2002-12-06
Filing date: 2002-12-06
Publication date: 2006-11-01
Anticipated expiration: 2022-12-06
Also published as: CN1507254A

Abstract

The present invention provides a method for realizing a CPH function in an intelligent network, which comprises: (a) an SCF applies an available idle resource for a calling party on an SRF, the SRF provides the idle resource for the SCF and returns the idle resource to the SCF; (b) the SRF connects the idle resource in a mark of the calling party to a subscriber passage of the calling party, and the connection of calls of the calling party is completed. The method enables an intelligent network service to combine a CVS function with the SRF on an external device, and the more complicated CPH function is realized. The present invention can support the service processing characteristics of any calling party, the CPH function is realized through reducing the realization degree of a CS-2 specification capacity set on the basis of an intelligent network INAPCS-1, the processing service characteristics of CS-2CPH multi-party calls can be satisfied and expanded, and thus, the service has various kinds of selectivity and flexibility. In addition, the present invention reduces requirements for SSF/CCF capacity and reduces realization cost.

Description

In intelligent network, realize the method for CPH function

Technical field

The present invention relates to communication technical field, relate to a kind of method that in intelligent network, realizes the CPH function specifically.

Background technology

The control ability of the above subscriber phone of two sides that the conference telephone ability has realized has obtained realizing and using widely on pure switching system already.This conference telephone ability on intelligent network (IN:Intelligent Network) service control point), SSP (Service Switching Point: Service Switching Point) realize by protocol software SCP (Service Control Point:, be so-called CPH (Call Party Handling: calling party control) function, its only the INAP in ITU-T q122X series proposed specifications (Intelligent Network ApplicationProtocol: Intelligent Network Application Protocol) (Capability Set: capability set)-2 the stage could be supported for CS.Wherein, SCP is the core of intelligent network, and it comprises SCF (the Service Control Function: functional entity service control function) that is responsible for the control of control IN service and handles; And the SSP that is responsible for the access intelligent network SCP can be connected with existing public telecommunication network, CCF), SSF (Service Switch Function: Service Switching Function), SRF (Special Resource Function: functional entity such as special resource function) it is as the tie point of intelligent network SCP and telecommunications network, and it generally includes CCF (Call ControlFunction:; SCP links to each other with SSP by the No.7 signaling network.

In the prior art, mainly (Connection View State: connection view state) method realizes the CPH function by CVS.

The CVS method is based upon on the basis that connects view model (CVM:Connection View Model), and the so-called view (CV that connects, Connection View), be to calling out and connection processing resource a kind of abstract, tie point), CS (Call Segment: call leg), CSA (Call Segment Association: the call leg association) etc. describe the feature of call leg by defining different objects and the relation between object, these objects have Leg, CP (Connection Point:.The CVS method has illustrated the connection visual state that connects defined in the visual model, admissible transition method between CVS.This CVS method is directly controlled SSF/CCF by making SCF, thereby set up after the path between the SRF on SCF, SSF/CCF and the external equipment, start dialogue with the user, it can make SCF understand state and incident that the SSF/CCF Internal call is handled, and can go to influence the call treatment of SSF/CCF by instruction, thereby realize various CPH Multi-Way Calling intelligent network business by CVS state transition, as: characteristic business such as Call Forwarding, Three-Way Calling, Call Waiting.

Yet, there are many deficiencies in above-mentioned prior art, the CVS method realizes that service feature is mainly according to the CVS migration view in the ITU-T q1224 suggestion, the CVS view has been represented some common service features, some simple service features of Three-Way Calling can only be realized, the complicated business feature of MPTY can't be satisfied.

Summary of the invention

At said circumstances, the present invention proposes a kind of method that in intelligent network, realizes the CPH function, solve the problem that how to define, use the Hybrid method, the traffic performance that calling party is managed business is able to whole realizations, more simplification, flexibility.

For achieving the above object, the present invention proposes a kind of method that in intelligent network, realizes the CPH function, this method comprises following steps: a, SCF are that calling party is applied for available idling-resource on SRF, and SRF provides idling-resource for it, and the sign of the port of described idling-resource is returned to SCF; B, SRF are connected to the port of described idling-resource on the described idling-resource, and the port of the idling-resource of each calling party is carried out bridge joint.

Preferably, the operation between SCF and the SRF is transmitted by SSF/CCF and is finished among described step a and the step b.

Preferably, described step a more specifically is meant:

A, SCF are that a plurality of calling party are applied for available idling-resource on SRF, and SRF provides idling-resource for it, and the sign of described idling-resource port is returned to SCF;

Described step b more specifically is meant:

B, SRF are connected to the port of the part idling-resource in the described idling-resource on the described idling-resource, and the port of the idling-resource of each calling party is carried out bridge joint.

Preferably, described step b further comprises:

B1, SCF are that calling party is appended the available idling-resource of application on SRF, SRF provides idling-resource for it, the sign of the idling-resource port that appends is returned to SCF, SRF is connected to the port of described idling-resource on the described idling-resource, and the port of described idling-resource and the port of existing idling-resource are carried out bridge joint.

Preferably, stating step b1 further comprises: the result returns to SCF with bridge joint.

Preferably, described step b further comprises: SRF returns to SCF with the connection status of calling party conversation.

Preferably, described step b further comprises: several SRF that SCF communicates with each other current needs are that the sign of the port of the idling-resource that distributes of calling party sends to SRF, SRF is connected to the port of described idling-resource on the described idling-resource, and the port of the idling-resource of each calling party is carried out bridge joint.

Preferably, several among the described step b are meant more than 2 or 2.

Preferably, this method also further comprises:

C, SCF are that the sign of the port of the idling-resource that distributes of calling party sends to SRF with current several SRF that need to disconnect, the idling-resource disconnection that SRF is corresponding with described sign with described port, and remove bridge joint between the port of described idling-resource.

A kind of method that in intelligent network, realizes the CPH function that the present invention proposes, and this method is directly controlled SRF by making SCF, rather than directly control SSF/CCF, or only transmit and control SRF by SSF/CCF, make IN service can with the CVS function and externally the SRF on the equipment combine, realize more complicated CPH function.It can be applicable to whole intelligent network field, can support the traffic performance that any calling party is handled.It reaches the CPH function by reduce CS-2 specification capabilities collection realization degree on intelligent network INAP CS-1 basis, satisfies and expands the CS-2CPH Multi-Way Calling feature of managing business, and makes business realizing that multiple choices, flexibility except that the CVS method arranged.In addition, because the present invention mainly is the SRF resource by the outside,, reduced the realization cost so on to the SSF/CCF ability, reduced more requirement.And on INAP CS-2 agreement, the present invention can be applied in INAP CS-1, CAP (CAMEL Application Part: having the has CAMEL Application Part to the greatest extent) operation equally, and this application is to be based upon on the basis that reduces the CVS state diagram.When calling subscriber and called subscriber are based upon in the independent calling respectively, its CS-2CSV state diagram and CS-1 difference are less, so INAP, CAP operation requires basic not variation, at this moment can issue the Hybrid operation by giving outside SRF resource, two independently be called out carry out bridge joint and realize user's communication.

Description of drawings

Fig. 1 is a system configuration schematic diagram of using the embodiment of the invention

Fig. 2 is the described a kind of method flow diagram of realizing the CPH function in intelligent network of the embodiment of the invention;

Fig. 3 is the embodiment of the invention one a described protocol application schematic diagram;

Fig. 4 is the embodiment of the invention two described protocol application schematic diagrames;

Fig. 5 is the protocol application schematic diagram described in the step 1 of the embodiment of the invention three;

Fig. 6 is the protocol application schematic diagram described in the step 2 of the embodiment of the invention three;

Specific implementation

Be illustrated in figure 1 as and use the described a kind of system configuration schematic diagram of in intelligent network, realizing the method for CPH function of the embodiment of the invention, include in this system:

PSTN (Public Switching Telephone Network: public switched telephone network); Calling party links to each other with intelligent network by this PSTN.

SCP, it is the core of intelligent network, it is responsible for carrying out the service logic program (SLP) of IN service, and the data of IN service are provided.It generally includes two functional entity: SCF and SDF (Service Data Function: service data function) as a physical entity, wherein SCF comprises and is responsible for the control of control IN service and handles, and SDF is responsible for preserving and management system in business datum, user data;

SSP, it provides the function that inserts intelligent network SCP as the tie point of intelligent network SCP and PSTN, can detect the request of calling party, communicates with SCP, and the request of SCP is responded.It generally includes functional entitys such as CCF, SSF, SRF as another physical entity; Wherein SRF provides the various various resources that need when professional of using to the calling party user, as the generation of signal tone, the transmission of message etc., also provides the management of these resources etc.

Above-mentioned SCP links to each other with SSP by the No.7 signaling network.

Be provided with 10 generic modules by SCF, thereby realize the present invention by these 10 agreements of applied in any combination.Introduce the function of these 10 generic modules, related functional entity and role in the process that realizes the CPH function with Hybrid thereof below respectively.

1, is used to provide the ProvideAvailDN generic module of available DN

1.1) the basic description

Three-Way Calling or MPTY (such as conference telephone) that the Hybrid method realizes are realized by three parts or Multi-Way Calling are bridged on the SRF.For the resource that makes SRF and each calling party time slot are mapped, need be for each calling party that is connected to SRF provide a DN number on SRF, as to the unique identification of calling party at MPTY.

This operation is by SCF-＞SRF, and indication SRF is the DN number of a correspondence of a calling party application, with the pairing port of this calling party of unique identification.

1.2) call entity (SCF)

1.2.1) normal procedure

The SCF precondition:

-SLPI is in " preparing the SSP instruction " state

-SCF need give one and call out DN number that is connected to SRF of participant application, as the unique identification of MPTY.

The SCF condition subsequent:

-under distribute operation after, SCF is in " prepare SSP instruction " state, waits for that SRF returns available DN number that is distributed.

-the Tpadn timer is set

1.2.2) the mistake processing

The TCAP business of bust is handled, is used to report to the basic mistake relevant with operation.

1.3) response entity (SRF)

1.3.1) normal procedure

The SRF precondition;

-SRF has created management automaton SRSM-FSM, is in " Connected " state, and perhaps " User Interaction " was if SRF received the operation of SCF before this.

The SRF condition subsequent:

-SRF is available DN number for this calling party is assigned to, and it is corresponding one by one with the pairing port of this calling party (meeting time slot).

-SRF will return to SCF for the DN number that calling party has been assigned to.

-SRSM-FSM is " User Interaction " with state transitions, or remains on " UserInteraction " state.

-SRSM-FSM will reset timer T _SRF

1.3.2) the mistake processing

If received " Cancel " operation in the meantime or before, SRF will cancel the processing to this operation, and send out message informing SCF immediately.

2, be used to be connected to the ConnectOnePort generic module of a port

2.1) the basic description

SCF-＞SRF, indication SRF is connected to the SRF resource with the port of the pairing DN number mark in designated call side.

2.2) call entity (SCF)

2.2.1) normal procedure

The SCF precondition;

-SLPI is in " preparing the SSP instruction " state, is subjected to the normal call of service logic.

It is that the DN number has been arrived in the calling party application of appointment that-SCF has indicated SRF.

The SCF condition subsequent:

-under distribute operation after, SCF is in " prepare SSP instruction " state, waits for SRF return result.

-the Tcop timer is set

2.2.2) the mistake processing

2.3) response entity (SRF)

2.3.1) normal procedure

The SRF precondition;

-SSF is in " User Interaction " state

-SRF is in " User Interaction " state

The SRF condition subsequent:

-SRF will be connected to the SRF resource by the port (meeting time slot) of the pairing DN number mark of the calling party of appointment.

-SRF keeps calling, and analyze to carry out compulsory exercise in the action parameter in available DN (ProvideAvailDN) operation is provided, and puts " in-band information " or the TONE signal tone that carries in the ProvideAvailDN operation to the user.

2.3.2) the mistake processing

3, be used for the PortConnected generic module that port has connected

3.1) the basic description

SRF-＞SCF is the result of " being connected to a port " operation, and when " being connected to a port " when running succeeded, SRF sends this operation to SCF.

3.2) call entity (SRF)

3.2.1) normal procedure

The SRF precondition;

-SRSM-FSM is in " User Interaction " state.

-specify the port of DN number mark to be connected to SRF playback playback success.

The SRF condition subsequent:

-SRF returns success the DN number that is connected to SRF playback resource.

-after the SRF successful connection, " User interaction " arrived in state transition.

-when successful connection, SRSM-FSM arrives " Active " state with state transition, and corresponding timer is set.

3.2.2) the mistake processing

This operation belongs to 4 generic operations, and not relevant with operation mistake is handled.

3.3) response entity (SCF)

3.3.1) normal procedure

The SCF precondition;

-SCF automaton is in " preparing the SSP instruction " state, waits for the return results of " connecting a port " operation.

The SCF condition subsequent:

-create with SRF and go up the dialogue that the DN number is connected.

-SCF automaton keeps " preparing the SSP instruction " state.

3.3.2) the mistake processing

4, be used for the PortDisconnected generic module that port has cut off

4.1) the basic description

The release of DN has two kinds: the one, call out release by ReleaseCall with one, and the 2nd, by the DisconnectLeg operation the pairing Leg of DN is cut off.SRF sends this operational notification SCF DN number corresponding port and is released.

4.2) call entity (SRF)

4.2.1) normal procedure

The SRF precondition;

-SRSM-FSM is in " Active " state.

-SSF receives the call release of SCF or cuts off the leg operation.

-send the processing success message to SCF.

The SRF condition subsequent:

-SRSM-FSM arrives " User Interaction " state with state transitions.

-SRSM-FSM will reset timer T _SRF

4.2.2) the mistake processing

4.3) response entity (SCF)

4.3.1) normal procedure

The SCF precondition;

-SLPI is in " preparing the SSP instruction " state.

The SCF condition subsequent:

4.3.2) the mistake processing

5, the BridgePorts generic module that is used for the bridge joint port

5.1) the basic description

SCF-＞SRF, indication SRF will carry out bridge joint by two ports (meeting time slot) that the DN number is identified.

5.2) call entity (SCF)

5.2.1) normal procedure

The SCF precondition;

-SLPI is in " preparing the SSP instruction " state

-SLPI has applied for available DN number for two participants on SRF

The SCF condition subsequent:

-SCF is in " preparing the SSP instruction " state, waits for that SRF returns the result of two calling party of bridge joint.

-the Tbp timer is set

5.2.2) the mistake processing

5.3) response entity (SRF)

5.3.1) normal procedure

The SRF precondition;

-SRF is in " User Interaction " state.

The SRF condition subsequent:

-SRF connects parameter DNNumber corresponding port (meeting time slot) according to the corresponding relation of DN number and port (meeting time slot).

-SRF returns to SCF with successful operating result.

-when successful connection, SRF arrives " Active " state with state transition, and corresponding timer is set.

5.3.2) the mistake processing

6, be used to separate the UnbridgePorts generic module of bridge joint port

6.1) the basic description

SCF-＞SRF, indication SRF removes two bridge joint ports (meeting time slot) of appointment.

6.2) call entity (SCF)

6.2.1) normal procedure

The SCF precondition;

-SLPI is in " preparing the SSP instruction " state.

-SCF has sent " bridge joint port " operation and has given SRF, and by successful execution.

The SCF condition subsequent:

-SCF is in " preparing the SSP instruction " state, waits for that SRF returns the result that two designated port bridge joints are removed.

-the Tubp timer is set

6.2.2) the mistake processing

6.3) response entity (SRF)

6.3.1) normal procedure

The SRF precondition;

-SRSM-FSM is in " Active " state

The SRF condition subsequent:

-SRSM-FSM removes the bridge joint of two calling party of specifying the DN number, and the DN number after will successfully removing is saved among dNNumber1 and the dNNumber2

-SRSM-FSM returns to SCF with operating result

-SRSM-FSM arrives " User Interaction " state with state transitions

-SRSM-FSM will reset timer T _SRF

6.3.2) the mistake processing

7, be used to apply for the GetResource generic module of resource

7.1) the basic description

SCF-＞SRF applies for a resource.SRF distributes existing bridge joint resource according to the port number of SCF appointment, and the resource ID of bridge joint resource is returned.

7.2) call entity (SCF)

7.2.1) normal procedure

The SCF precondition;

-SCF is in " preparing the SSP instruction " state.

-SCF need for all participants on SRF, apply for one can bridge joint resource.

The SCF condition subsequent:

-under distribute operation after, SCF is in " prepare SSP instruction " state, waits for that SRF returns ID number of institute's Resources allocation

-the Tgr timer is set

7.2.2) the mistake processing

7.3) response entity (SRF)

7.3.1) normal procedure

The SRF precondition;

-SRF has created management automaton SRSM-FSM, is in " Connected " state, and perhaps " User Interaction " was if SRF received the operation of SCF before this

The SRF condition subsequent:

-SRF will compare according to the idling-resource on the participant number that will apply for resource and the existing SRF, distribute under the permission situation, and the resource ID that will newly be assigned to deposits among the resourceID, and return result gives SCF.

-SRF is " User Interaction " with state transitions, or remains on " UserInteraction " state

-SRF will reset timer T _SRF

7.3.2) the mistake processing

8, be used to connect the ConnectPorts generic module of bridge joint port

8.1) the basic description

SCF-＞SRF, a plurality of ports in resource of indication SRF bridge joint.

8.2) call entity (SCF)

8.2.1) normal procedure

The SCF precondition;

-SLPI is in " preparing the SSP instruction " state.

-SCF sends " application resource " to SRF, and has received the SRF response.

The SCF condition subsequent:

-SCF is in " preparing the SSP instruction " state, waits for SRF return result.

-the Tcp timer is set.

8.2.2) the mistake processing

8.3) response entity (SRF)

8.3.1) normal procedure

The SRF precondition;

-SRF is in " User Interaction " state, or " Active " state (if having had participant to carry out bridge joint before this operation)

The SRF condition subsequent:

-SRF carries out bridge joint with the port of appointment by the bridge joint attribute of this port, and responds back to SCF.

-when the participant successful connection, SRF state transition is to " Active " state, or maintenance " Active " state.And corresponding timer is set.

8.3.2) the mistake processing

9, be used to discharge the ReleaseResource generic module of resource

9.1) the basic description

SCF-＞SRF, the some or all ports applied for (resource time slot) in the resource of indication SRF release appointment.

9.2) call entity (SCF)

9.2.1) normal procedure

The SCF precondition:

-SLPI is in " preparing the SSP instruction " state

-SCF has sent the bridge joint port operation to SRF

The SCF condition subsequent:

-the Trr timer is set

9.2.2) the mistake processing

9.3) response entity (SRF)

9.3.1) normal procedure

The SRF precondition:

The SRF condition subsequent:

-SRF is according to the indication of SCF, with the resource release of appointment

-SRF is moved to " User Interaction " state, or remains on " UserInteraction " state.

-reset timer T _SRF

9.3.2) the mistake processing

10, be used to append the appendResource generic module of port

10.1) the basic description

SCF-＞SRF, indication SRF appends new port on the basis of the resource port of having applied for of appointment.

10.2) call entity (SCF)

10.2.1) normal procedure

The SCF precondition:

-SLPI is in " preparing the SSP instruction " state.

-sent the application resource operation to SRF, and successfully apply for resource.

The SCF condition subsequent:

-the Tar timer is set

10.2.2) the mistake processing

10.3) response entity (SRF)

10.3.1) normal procedure

The SRF precondition:

The SRF/SSF condition subsequent:

-SRF appends the resource of new port to appointment according to existing idle port (meeting time slot) number with appending port (meeting time slot) number under the permission situation, and returns results to SCF, otherwise returns failure.

-SRF is constant with continuing to remain on standing state: " User Interaction " state, or Active " state

10.3.2) the mistake processing

More than explaining of 10 generic modules provided detailed implementation, as state transition of " calling entity " and " response entity " etc., these 10 specific implementations that generic module is a kind of suggestion can not be used for limiting the present invention.

The following examples are that example describes with calling party A, B, C, D, and these four calling party link to each other with PSTN.

The speech play that 1 couple of calling party A of embodiment or B have recorded connects

As shown in Figure 2, present embodiment comprises following steps:

The first, SCF is that calling party A or B apply for available idling-resource on SRF, and SRF provides idling-resource for it, and SCF is returned in sign ID number of idling-resource;

As shown in Figure 3, SCF is calling party A or the B idling-resource that SEPARATE APPLICATION can be used on SRF by the ProvideAvailDN generic module, the time slot of promptly conversing, and SRF is for after it provides the conversation time slot, and with its DN number, promptly DN_2 or DN_3 return SCF.

The second, SRF is connected to the idling-resource in sign ID number of calling party on the user's passage of calling party, finishes the connection of calling party conversation.

As shown in Figure 3, SCF is by the Connectoneport generic module, send to SRF sign ID number of several calling party that current needs are communicated with each other, the DN_2 or the DN_3 that are about to calling party A or B send to SRF, thereby SRF is connected to the conversation time slot of DN_2 or DN_3 correspondence on the user's passage of calling party A or B, finishes being connected of calling party A or B and the voice that recorded.

After the successful connection of certain calling party, the SRF resource can be returned " port connects (PortConnected) " operation and give SCF, the expression successful connection, and this can realize by PortConnected; After this connected conversation and is cut off, the SRF resource need notify this path of SCF to cut off, and the used port that is operating as cuts off (PortDisconnected) this can realize by PortDisconnected.

Embodiment 2 generals just hang up with the C that A converses, and calling party B is conversed with A to be connected

It comprises break step and Connection Step, wherein:

Break step:

Suppose the current A that is conversing, C, its sign ID number of applying on SRF by SCF is DN_3, DN_1.

SCF sends to SRF with sign ID number of current several calling party that need to disconnect, and SRF disconnects the connection of dismantling call square tube words with the idling-resource in sign ID number of calling party from the user's passage of calling party.

As shown in Figure 4, SCF is by the UnbridgePorts generic module, send to SRF sign ID number with the current calling party that need disconnect, the DN_1 or the DN_3 that are about to calling party A or C send to SRF, thereby SRF disconnects the conversation time slot of DN_1 or the DN_3 correspondence user's passage from A, C, finishes the dismounting of A or C conversation.

Connection Step comprises following steps:

The first, SCF is that calling party B applies for available idling-resource on SRF, and SRF provides idling-resource for it, and SCF is returned in sign ID number of idling-resource;

SCF is the conversation time slot that calling party B SEPARATE APPLICATION on SRF can be used by the ProvideAvailDN generic module, and SRF is for after it provides the conversation time slot, and with its DN number, promptly DN_2 returns SCF.

As shown in Figure 4, SCF can pass through the BridgePorts generic module, send to SRF sign ID number of several calling party that current needs are communicated with each other, the DN_2 or the DN_3 that are about to calling party A or B send to SRF, thereby SRF is connected to the conversation time slot of DN_2 or DN_3 correspondence on the user's passage of calling party A or B, finishes the connection of calling party A or B conversation.

Embodiment 3 couples of calling party A, B, C, D carry out MPTY

Present embodiment comprises following steps:

The first, SCF is that calling party A, B, C, D apply for available idling-resource on SRF, and SRF provides idling-resource for it, and SCF is returned in sign ID number of idling-resource;

As shown in Figure 5, SCF is by the GetResource generic module, be calling party A or the B idling-resource that SEPARATE APPLICATION can supply 4 sides to converse simultaneously on SRF, promptly 4 the conversation ports (DN_1, DN_2, DN_3, DN_4), SRF for its provide 4 the conversation ports after, and with its resource identification ID number, promptly resource_ID returns SCF.

As shown in Figure 6, SCF is by the Connectports generic module, send to SRF sign ID number of several calling party that current needs are communicated with each other, be about to calling party A, B, C, the resource_ID of D and DN_1, DN_2, DN_3, DN_4 sends to SRF, thereby SRF is with DN_1, DN_2, DN_3, the DN_4 corresponding port is connected to calling party A, B, C, on the user's passage of D, finish calling party A, B, C, the conversation of D connects, at this moment, in the Connectports generic module, can be each ports-settings port bridge joint attribute, thereby restriction call side A, B, C, the authority of D, for example: only listen, only say, not only say but also listen, do not listen yet and do not say (promptly isolating) four kinds of states.

When above-mentioned four directions is in the conversation videoconference, there is the 5th side to require to add, SCF can pass through the AppendResource generic module, notice SRF appends new port on the corresponding resource port of above-mentioned resource_ID, its real process also is the described step of the repetition embodiment of the invention, here repeats no more.

After multiparty teleconferencing finished, SCF can pass through the ReleaseResource generic module, and notice SRF discharges the resource of appointment.

SRF in the foregoing description occurs as a functional entity among the SSP, in real application systems, be not limited to the place form of SRF resource, can be " comprehensive SSP mode ", " independent IP (Intelligent Peripheral: mode ip intelligent peripherals) ", " mode of Assisting SSP " etc., at this moment, the present invention is suitable for too.

Claims

1. method that realizes the CPH function in intelligent network is characterized in that this method comprises following steps:

A, SCF are that calling party is applied for available idling-resource on SRF, and SRF provides idling-resource for it, and the sign of the port of described idling-resource is returned to SCF;

B, SRF are connected to the port of described idling-resource on the described idling-resource, and the port of the idling-resource of each calling party is carried out bridge joint.

2. a kind of method that realizes the CPH function in intelligent network as claimed in claim 1 is characterized in that the operation among described step a and the step b between SCF and the SRF is transmitted by SSF/CCF and finished.

3. a kind of method that realizes the CPH function in intelligent network as claimed in claim 1 is characterized in that described step a more specifically is meant:

Described step b more specifically is meant:

4. a kind of method that realizes the CPH function in intelligent network as claimed in claim 3 is characterized in that described step b further comprises:

5. a kind of method that realizes the CPH function in intelligent network as claimed in claim 4 is characterized in that described step b1 further comprises: the result returns to SCF with bridge joint.

6. a kind of method that realizes the CPH function in intelligent network as claimed in claim 1, it is characterized in that described step b further comprises: SRF returns to SCF with the connection status of calling party conversation.

7. a kind of method that in intelligent network, realizes the CPH function as claimed in claim 1, it is characterized in that, described step b further comprises: several SRF that SCF communicates with each other current needs are that the sign of the port of the idling-resource that distributes of calling party sends to SRF, SRF is connected to the port of described idling-resource on the described idling-resource, and the port of the idling-resource of each calling party is carried out bridge joint.

8. a kind of method that realizes the CPH function in intelligent network as claimed in claim 7 is characterized in that several among the described step b are meant more than 2 or 2.

9. a kind of method that realizes the CPH function in intelligent network as claimed in claim 1 is characterized in that this method also further comprises: