CN103781129A - Voice call switching method and voice call switching apparatus - Google Patents
Voice call switching method and voice call switching apparatus Download PDFInfo
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- CN103781129A CN103781129A CN201210396346.9A CN201210396346A CN103781129A CN 103781129 A CN103781129 A CN 103781129A CN 201210396346 A CN201210396346 A CN 201210396346A CN 103781129 A CN103781129 A CN 103781129A
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Abstract
The embodiments of the invention relate to a voice call switching method and a voice call switching apparatus. The method comprises the following steps: a first user terminal in a first wireless network and a second user terminal in the first wireless network or a second wireless network establishing a current voice call through a user-grade switch PBX; when the first user terminal enters the second wireless network, sending issuing information to the PBX, the issuing information carrying switching request information; the first user terminal receiving a voice call request sent by the PBX through the second wireless network; when the voice call request is a voice call switching request, the first user terminal establishing and maintaining a switch voice call with the PBX; and the first user terminal receiving hang-off information sent by the PBX, according to the hang-off information, ending the current voice call, and turning-on the witching voice call so as to switch the current voice call to the switch voice call.
Description
Technical field
The present invention relates to communication technique field, relate in particular to method and audio call switching device shifter that a kind of audio call switches.
Background technology
Along with popularizing of wireless network, when user uses first user terminal and the second user terminal to set up audio call to converse, most of public telecommunication network that uses is conversed, but, present many enterprises set up enterprise wireless net voluntarily, realize enterprises by this enterprise wireless net and set up or finish audio call and converse, save cost of the phone call.
At present, public telecommunication network and enterprise wireless networks all can be realized terminal and set up audio call and converse, first user terminal and the second user terminal are set up audio call by public telecommunication network, in the time that first user terminal enters into the scope of enterprise wireless networks covering, if or maintained audio call by operator's wireless network, cost of the phone call would be more expensive; Or first user terminal and the second user terminal are set up audio call by enterprise wireless networks, in the time that first user terminal is left the scope of enterprise wireless networks covering, can cause dropped calls.Therefore, user wishes that first user terminal can converse by enterprise wireless net in the time of Entry Firm wireless network, in the time leaving enterprise wireless net, converses and does not interrupt.
Current, the method that prior art addresses this problem as shown in Figure 1, in first user terminal from a wireless network (for example, public telecommunication network) (for example enter into another wireless network, enterprise wireless net) time, first user terminal is by the operation in former call speech channel, obtain to call out and switch code, first user terminal makes a call as called this call distinct code to PBX, the calling that PBX recognizes the initiation of first user terminal is switch call, adopt the mode of calling out maintenance switch call to be switched on the network of self, and then the switching of realization wireless network in first user terminal and the second user terminal communication process.
But, also there is following shortcoming in the method for prior art, 1) first user terminal is in the time obtaining calling switching code, need the regular hour, and, only, in the time that first user terminal is successfully obtained calling switching code, just can carry out subsequent step, in the time that first user terminal could not successfully be obtained calling switching code, dropped calls.
Summary of the invention
The object of the invention is could not successfully to obtain and call out while switching code, the problem of dropped calls, the method and the audio call switching device shifter that provide a kind of audio call to switch in order to solve in prior art in first user terminal.
In first aspect, a kind of method that the embodiment of the present invention provides audio call to switch.Described method comprises:
The second user terminal in first user terminal in the first wireless network and described the first wireless network or second wireless network is set up current speech by user class switch PBX and is called out;
In the time that described first user terminal enters described second wireless network, send and publish the news to described PBX, described in publish the news and carry handover request information;
Described first user terminal receives the voice call request that described PBX sends by described second wireless network;
In the time that described voice call request is audio call handover request, the switched voice call between the foundation of described first user terminal maintenance and described PBX;
Described first user terminal receives the on-hook information that described PBX sends, and calls out according to current speech described in the described on-hook end of message, connects described switched voice call, thereby described current speech is called out and switched to described switched voice call.
In the possible implementation of the first, describedly send before publishing the news and also comprise to described PBX by described second wireless network: whether first user terminal recognition self enter second wireless network.
In conjunction with the possible implementation of the first of first aspect or first aspect, in the possible implementation of the second, whether described first user terminal recognition self enters second wireless network is specially:
Whether the intensity level that described first user terminal detects described the first wireless network signal is less than first threshold, if the intensity level of described the first wireless network signal is less than first threshold, identifies described first user terminal and enters described second wireless network;
Or whether the call index that described first user terminal detects described audio call is less than Second Threshold, if the call index of described audio call is less than Second Threshold, identifies described first user terminal and enter described second wireless network;
Or, whether described first user terminal judges receives compulsory switching radio network information, according to described switching radio network information, described first user terminal enters described second wireless network, receive compulsory switching radio network information if judged, identify described first user terminal and enter described second wireless network;
Or described first user terminal detects whether added second wireless network, if detecting, described first terminal adds second wireless network, identify described first user terminal and enter described second wireless network.
In conjunction with first aspect, in the third possible implementation, described first user terminal also comprises after receiving the voice call request that described PBX sends by described second wireless network: described in first user terminal judges, whether voice call request is audio call handover request.
In conjunction with the third possible implementation of first aspect or first aspect, in the 4th kind of possible implementation, whether voice call request is that audio call handover request is specially described in described first user terminal judges: described in described first user terminal judges, whether the calling number of voice call request is and the number of described PBX agreement.
In conjunction with the first of first aspect or first aspect, the second, the third, the 4th kind of possible implementation, in the 5th kind of possible implementation, described the first wireless network is enterprise wireless networks, described second wireless network is operator's wireless network; Or described the first wireless network is operator's wireless network, described second wireless network is enterprise wireless networks.
In second aspect, a kind of method that the embodiment of the present invention provides audio call to switch.Described method comprises:
In the time that first user terminal is left the first wireless network and entered second wireless network, receive publishing the news that described first user terminal sends by described second wireless network;
Described in identification, publish the news and whether carry handover request information, if carry described handover request information, send audio call handover request by described second wireless network to described first user terminal, and switched voice call between foundation and described first user terminal;
Send on-hook information to described first user terminal, described on-hook information is used for finishing current speech calls out, and connects described switched voice call, thereby described current speech is called out and switched to described switched voice call.
In the possible implementation of the first, carry described handover request information if described, send audio call handover request by described second wireless network to described first user terminal and be specially:
If carry described handover request information, judge whether the number information that described publish information is carried mates with the number information of self storing;
In the time that the described number information that carries of publishing the news mate with the number information of described self storage, by described second wireless network to described first user terminal transmission audio call handover request.
In conjunction with the possible implementation of the first of second aspect or second aspect, in the possible implementation of the second, described publishing the news carried handover request information and number information, and described number information comprises with described first user terminal sets up the number of the second user terminal of audio call, described first user terminal number, the number of described first user terminal in described second wireless network in described the first wireless network;
Whether the number information carrying that publishes the news described in described judgement mates and is specially with the number information of self storing:
Judge one or more whether the coupling with the number information of self storing in the number of described the second user terminal, described first user terminal number, the number of described first user terminal in described second wireless network in described the first wireless network;
If the number information of one or more and self storage in number in described the first wireless network of the number of described the second user terminal, described first user terminal, the number of described first user terminal in described second wireless network mate, by described second wireless network to described first user terminal transmission audio call handover request.
In conjunction with second aspect, in the third possible implementation, described in publish the news and carry handover request information and the number of described first user terminal in described second wireless network; The called number that described audio call handover request comprises is the number of described first user terminal in described second wireless network.
In conjunction with second aspect, in the 4th kind of possible implementation, the calling number of described audio call handover request is the number of arranging with described first user terminal.
In conjunction with second aspect, in the 5th kind of possible implementation, after the switched voice call between described foundation and described first user terminal, also comprise: described switched voice call is joined in described current speech calling, to form Three-Way Calling.
In conjunction with the first of first aspect or first aspect, the second, the third, the 4th kind, the 5th kind possible implementation, in the 6th kind of possible implementation, described the first wireless network is enterprise wireless networks, and described second wireless network is operator's wireless network; Or described the first wireless network is operator's wireless network, described second wireless network is enterprise wireless networks.
In the third aspect, the embodiment of the present invention provides a kind of audio call switching device shifter.Described audio call switching device shifter is positioned at the first wireless network, it is characterized in that, described audio call switching device shifter comprises:
Set up unit, call out for setting up current speech with the user terminal of the first wireless network or second wireless network by user class switch PBX;
Transmitting element, in the time that described audio call switching device shifter enters described second wireless network, sends and publishes the news to described PBX, described in publish the news and carry handover request information;
The first receiving element, the voice call request sending by described second wireless network for receiving described PBX;
Holding unit, in the time that described voice call request is audio call handover request, the switched voice call between foundation maintenance and described PBX;
The second receiving element, the on-hook information sending for receiving described PBX, calls out according to current speech described in the described on-hook end of message, connects described switched voice call, thereby described current speech is called out and switched to described switched voice call.
In the possible implementation of the first, described device also comprises: whether recognition unit, enter second wireless network for identification.
In the possible implementation of the second, described device also comprises: judging unit, and for judging whether described voice call request is audio call handover request.
In conjunction with the possible implementation of the second of first aspect or first aspect, in the third possible implementation, whether described judging unit specifically for, the calling number that judges described voice call request is and the number of described PBX agreement.
In fourth aspect, the embodiment of the present invention provides a kind of audio call switching device shifter.Described audio call switching device shifter comprises:
Receiving element, while entering second wireless network, receives publishing the news that described first user terminal sends by described second wireless network for leaving the first wireless network when first user terminal;
Calling unit, described in being used for identifying, publish the news and whether carry handover request information, if carry described handover request information, send audio call handover request by described second wireless network to described first user terminal, and switched voice call between foundation and described first user terminal;
Transmitting element, for sending on-hook information to described first user terminal, described on-hook information is used for finishing described current speech calls out, and connects described switched voice call, thereby described current speech is called out and switched to described switched voice call.
In the possible implementation of the first, described calling unit specifically for, if carry described handover request information, judge that whether number information that described publish information carries mates with the number information of self storage;
In the time that the described number information that carries of publishing the news mate with the number information of described self storage, by described second wireless network to described first user terminal transmission audio call handover request.
In the possible implementation of the second, described device also comprises: add unit, call out, to form Three-Way Calling for described switched voice call being joined to described current speech.
Method and audio call switching device shifter that the audio call providing by the application embodiment of the present invention switches, first user terminal in the first wireless network with in the second user terminal of the first wireless network or second wireless network set up current speech call out, in the time that first user terminal enters second wireless network, send publish information to PBX, and whether the voice call request of identifying PBX initiation is audio call handover request, in the time that voice call request is audio call handover request, connect switched voice call, and finish current speech and call out, and then realize the switching of audio call, method and audio call switching device shifter that the audio call that the embodiment of the present invention provides switches, avoid in prior art could not successfully obtaining the problem of calling out dropped calls while switching code in first user terminal, improve the reliability that audio call switches.
Accompanying drawing explanation
The audio call changing method flow chart that Fig. 1 provides for prior art;
The method flow diagram that the audio call that Fig. 2 provides for the embodiment of the present invention one switches;
The system diagram that the audio call that Fig. 3 provides for the embodiment of the present invention switches;
The signaling diagram that the audio call that Fig. 4 provides for the embodiment of the present invention switches;
The signaling diagram that the audio call that Fig. 5 provides for the embodiment of the present invention switches;
The method flow diagram that the audio call that Fig. 6 provides for the embodiment of the present invention two switches;
The audio call switching device shifter that Fig. 7 provides for the embodiment of the present invention three;
The audio call switching device shifter that Fig. 8 provides for the embodiment of the present invention four;
The audio call switching device shifter that Fig. 9 provides for the embodiment of the present invention five;
The audio call switching device shifter that Figure 10 provides for the embodiment of the present invention six.
Embodiment
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing, the specific embodiment of the invention is described in further detail.
The method that the audio call that describing the embodiment of the present invention in detail as an example of Fig. 2 example below provides switches, the method flow diagram that the audio call that Fig. 2 provides for the embodiment of the present invention one switches, subject of implementation is first user terminal in embodiments of the present invention.As shown in Figure 2, this embodiment comprises the following steps:
The second user terminal in first user terminal in step 210, the first wireless network and described the first wireless network or second wireless network is set up current speech by user class switch PBX and is called out.
Particularly, first user terminal is in the first wireless network, the second user terminal may be in the first wireless network, also may be in second wireless network, the system diagram that voice as shown in Figure 3 switch, in embodiments of the present invention, user uses first user terminal and the second user terminal in the first wireless network or second wireless network to set up current speech and calls out, that is to say and set up current speech call, first user terminal is set up call by user class switch PBX and the second user terminal, this call comprises the communication between first user terminal and PBX, communication between PBX and the second user terminal.
In the embodiment of the present invention, described first user terminal and the second user terminal can be mobile terminal, as, mobile phone, also can be fixed terminal, as, landline telephone.Described the first wireless network can be enterprise wireless networks, and described second wireless network can be operator's wireless network; Or described the first wireless network can be operator's wireless network, described second wireless network can be enterprise wireless networks, and described PBX is positioned at enterprise wireless networks.
Particularly, because first user terminal is in the time setting up audio call with the second user terminal, first user terminal is in the first wireless network, when using first user terminal, user sets up in the process of current speech calling, user can move on call limit, limit, makes first user terminal also follow user and moves together, therefore, in mobile process, first user terminal need to be identified at any time and self whether enters second wireless network and leave the first wireless network.
In embodiments of the present invention, before execution step 220, also need to carry out the step whether first user terminal recognition self enters second wireless network.
It is enterprise wireless networks that the switching mode whether the first user terminal recognition of following multiple description self enters second wireless network is preferably applied to the first wireless network, and second wireless network is the switching identification of operator's wireless network.
Whether first user terminal recognition enters second wireless network is specially: whether the intensity level that first user terminal detects wireless network signal is less than first threshold, the intensity level of described wireless network signal is used for the quality of the connection status that represents wireless network signal, described first threshold is the threshold value of radio network information channel intensity, if the intensity level of wireless network signal is less than first threshold, first user terminal has been left and maybe will have been left the first wireless network, may be in the edge of the first wireless network, whether first user terminal is less than first threshold and identifies self and enter second wireless network according to detecting the intensity level of wireless network signal.
Or, whether the call index that first user terminal detects the audio call of setting up is less than Second Threshold, the MOS value that described call index is audio call, time delay, shake or packet loss etc., described Second Threshold is the threshold value of call index, if the call index of audio call is less than Second Threshold, the speech quality variation of audio call is described, first user terminal has been left the first wireless network, may be in the edge of second wireless network, whether first user terminal reaches Second Threshold and identifies self and enter second wireless network according to detecting the call index of audio call of setting up.
Or, user is in communication process, feel that audio call is unintelligible, interrupt, now, the clearly current wireless network of user possibly cannot support the current speech of setting up to call out, can select another wireless network, user opens the switching radio network functions of first user terminal voluntarily, whether first user terminal judges receives the compulsory switching radio network information of user, according to switching radio network information, first user terminal enters described second wireless network, if first user terminal judges goes out to receive compulsory switching radio network information, identify described first user terminal and enter described second wireless network.
It is operator's wireless network that the switching mode whether first user terminal recognition as described below self enters second wireless network is preferably applied to the first wireless network, the switching identification that second wireless network is enterprise wireless networks.
First user terminal detects whether added second wireless network, has added second wireless network if first terminal detects, and first user terminal enters second wireless network.
It should be noted that, the above-mentioned judgment mode that self whether enters second wireless network with the formal specification first user terminal of giving an example in identification, but concrete judgment mode does not limit therewith.
Further, according to above description, first user terminal enters second wireless network, first user terminal is sent and publishes the news to PBX by second wireless network, described in publish the news and carry handover request information.
Described publishing the news also comprises the number information that first user terminal is relevant to the second user terminal, and described number information comprises number, number, the described first user terminal number in described second wireless network of described first user terminal in described the first wireless network of setting up the second user terminal of current speech calling with described first user terminal.
Described publishing the news can be specifically conversation initialized protocol (Session InitiationProtocol, SIP) message, as SIP publish message, SIP info message, this sip message can comprise SIP expansion, carries handover request information and the first user terminal number information relevant to the second user terminal in SIP expansion.
For example, publish the news and comprise SIP expansion, carry handover request information and number information at SIP expansion, described number information comprises number, number, the described first user terminal number in described second wireless network of described first user terminal in described the first wireless network of setting up the second user terminal of current speech calling with described first user terminal.
In a preferred embodiment, first user terminal is calling terminal, the second user terminal is terminal called, or, first user terminal is terminal called, the second user terminal is calling terminal, in publish information, in SIP expansion, carries the number of the second user terminal, described first user terminal number, the number of described first user terminal in described second wireless network in described the first wireless network.
Particularly, PBX is after receiving and publishing the news, transmit a reply message to first user terminal immediately, inform first user terminal, receive and publish the news, PBX resolves publishing the news, and identify SIP expansion and whether carry handover request information, if carry handover request information, PBX judges whether the number information that the middle SIP expansion that publishes the news carries mates with the number information of self storing, when the number information carrying when the described middle SIP expansion that publishes the news mates with the number information of described self storage, send voice call request by second wireless network to first user terminal.
First user terminal receives after the voice call request of PBX transmission, send and attempt Trying message to PBX, to inform that PBX first user terminal has received voice call request, then, whether this voice call request of first user terminal judges is audio call handover request.
Whether described this voice call request of first user terminal judges is that audio call handover request is specially, first user terminal judges PBX sends the calling number of voice call request, whether be and the number of first user terminal and PBX agreement that the number of this agreement also can be described as Handover Number; If the calling number of voice call request is the number of first user terminal and PBX agreement, the voice call request that PBX sends by second wireless network is audio call handover request, now, first user terminal is replied response message to described PBX, sets up and keeps switched voice call.
It should be noted that, the Handover Number of first user terminal and PBX agreement is that first user terminal and PBX arrange in advance, and first user terminal and PBX are stored in self by Handover Number.
Particularly, in the time that voice call request is audio call handover request, first user terminal is replied response message to PBX, sets up and keeps switched voice call.
PBX receives after the response message of first user terminal reply, specifying first user terminal has set up and has kept after switched voice call, send response message ACK to first user terminal, this response message is used for informing first user terminal, PBX has received response message, PBX joins the switched voice call sending from second network in the audio call in first network, becomes Three-Way Calling, then sends on-hook information to first user terminal.
Particularly, first user terminal receives the on-hook information that PBX sends according to response message, first user terminal is the calling of the current speech in the first wireless network according to the on-hook end of message, turn on the switched voice call of setting up and keeping in step 240, thereby audio call is switched to switched voice call.
Alternatively, in a preferred embodiment, when the first wireless network is enterprise wireless networks, when second wireless network is operator's wireless network, can sequentially perform step 210 to step 250, realize the method that audio call switches.
In another preferred embodiment, when the first wireless network is operator's wireless network, when second wireless network is enterprise wireless networks, also can sequentially perform step 210 to step 250, realize the method that audio call switches.
Alternatively, in embodiments of the present invention, first user terminal and the second user terminal all can be used as calling terminal or terminal called, and first user terminal and the second user terminal all can be supported two dissimilar Radio Network Systems simultaneously.
The method that the audio call providing by the application embodiment of the present invention switches, first user terminal in the first wireless network with in the second user terminal of the first wireless network or second wireless network set up current speech call out, in the time that first user terminal enters second wireless network, send publish information to PBX, and whether the voice call request of identifying PBX initiation is audio call handover request, in the time that voice call request is audio call handover request, connect switched voice call, and finish current speech and call out, and then realize the switching of audio call, the method that the audio call that the embodiment of the present invention provides switches, avoid in prior art could not successfully obtaining the problem of calling out dropped calls while switching code in first user terminal, improve the reliability that audio call switches.
Further, the signaling diagram that the audio call that Fig. 4 provides for the embodiment of the present invention switches, signaling diagram shown in Fig. 4 is enterprise wireless networks for working as the first wireless network, when second wireless network is operator's wireless network, first user terminal and user class switch PBX carry out current speech and call out the process of switching, signaling diagram shown in Fig. 5 is operator's wireless network for working as the first wireless network, when second wireless network is enterprise wireless networks, first user terminal and user class switch PBX carry out current speech and call out the process of switching, the process that the method that audio call in Fig. 4 and Fig. 5 switches all can be described according to previous embodiment is carried out, no longer repeat at this.
The method that the audio call that describing the embodiment of the present invention two in detail as an example of Fig. 6 example below provides switches, the method flow diagram that the audio call that Fig. 6 provides for the embodiment of the present invention two switches, subject of implementation is user class switch PBX in embodiments of the present invention.As shown in Figure 6, this embodiment comprises the following steps:
Particularly, first user terminal is in the first wireless network, the second user terminal is in the first wireless network, also in possibility second wireless network, in embodiments of the present invention, user uses first user terminal and the second user terminal in the first wireless network or second wireless network to set up current speech and calls out, that is to say and set up current speech call, first user terminal is set up call by user class switch PBX and the second user terminal, this call comprises the communication between first user terminal and PBX, the communication between PBX and the second user terminal.
In embodiment mono-, illustrate, first user terminal and the second user terminal are set up after current speech calling, first user terminal need to be identified at any time and self whether enters second wireless network and leave the first wireless network, the concrete mode of identification is explanation in embodiment mono-also, no longer repeats at this.
In the time that first user terminal recognition self enters second wireless network, first user terminal is sent and publishes the news to user class switch PBX by second wireless network.What PBX reception first user terminal sent by second wireless network publishes the news.
Described in step 620, identification, publish the news whether carry handover request information, if carry described handover request information, send audio call handover request by described second wireless network to described first user terminal, and switched voice call between foundation and described first user terminal.
Particularly, PBX, after receiving and publishing the news, transmits a reply message to first user terminal immediately, informs first user terminal, receives and publishes the news.
First user terminal is sent and publishes the news to PBX by second wireless network, described in publish the news and carry handover request information.
Described publishing the news also comprises the number information that first user terminal is relevant to the second user terminal, and described number information comprises number, number, the described first user terminal number in described second wireless network of described first user terminal in described the first wireless network of setting up the second user terminal of current speech calling with described first user terminal.
In a preferred embodiment, described in, publish the news and also comprise the number of first user terminal in second wireless network; The called number that audio call handover request comprises is the number of first user terminal in second wireless network.
Described publishing the news can be specifically conversation initialized protocol (Session InitiationProtocol, SIP) message, as SIP publish message, SIP info message, this sip message can wrap SIP expansion, carries handover request information and the first user terminal number information relevant to the second user terminal in SIP expansion.
For example, publish the news and comprise SIP expansion, carry handover request information and number information at SIP expansion, described number information comprises with described first user terminal sets up the number of the second user terminal of described audio call, described first user terminal number, the number of described first user terminal in described second wireless network in described the first wireless network.
In a preferred embodiment, when first user terminal is calling terminal, the second user terminal is terminal called, or, first user terminal is terminal called, the second user terminal is calling terminal, in publish information, in SIP expansion, carries the number of the second user terminal, described first user terminal number, the number of described first user terminal in described second wireless network in described the first wireless network.
PBX receive first user terminal send publish the news after, resolve publishing the news, and identify SIP expansion and whether carry handover request information, if carry handover request information, PBX judges whether the number information that the middle SIP expansion that publishes the news carries mates with the number information of self storing.
In embodiments of the present invention, PBX judges whether the number information that the middle SIP expansion that publishes the news carries mates and be specially with the number information of self storing:
Whether publish the news one or more in number in described the first wireless network of the number, first user terminal of the second user terminal that middle SIP expansion carries, the number of first user terminal in described second wireless network mate with the number information of self storage for PBX judgement.
If the number information of one or more and self storage in number in described the first wireless network of the number of the second user terminal, first user terminal, the number of first user terminal in described second wireless network mate, by second wireless network to first user terminal transmission audio call handover request.
If the number information of one or more and self storage in number in described the first wireless network of the number of the second user terminal, first user terminal, the number of first user terminal in described second wireless network does not mate, do not send audio call handover request by second wireless network to first user terminal.
Further, the number that PBX sends audio call handover request to first user terminal is PBX and the first user terminal number of agreement in advance, PBX is using the number of this agreement as caller, number using first user terminal in second wireless network, as called, sends audio call handover request to first user terminal.
First user terminal receives after the audio call handover request of PBX transmission, first user terminal sends and attempts Trying message to PBX, to inform that PBX first user terminal has received audio call handover request, this audio call handover request of first user terminal judges, the deterministic process of described first user terminal illustrates, no longer repeats at this in embodiment mono-.
After first user terminal judges completes, first user terminal sends response message to PBX, and PBX sets up the switched voice call between first user terminal.
PBX receives the response message that first user terminal sends.PBX is according to response message, specifying first user terminal has set up and has kept after switched voice call, send response message ACK to first user terminal, this response message is used for informing first user terminal, PBX has received response message, PBX joins switched voice call in the current speech calling in first network, becomes Three-Way Calling, then sends on-hook information to first user terminal.
Particularly, PBX switched voice call is joined current speech in first network call out in after, make original audio call become Three-Way Calling, then, PBX sends on-hook information to first user terminal, and on-hook information is used for finishing current speech calls out, and connects switched voice call.
Alternatively, in a preferred embodiment, the first wireless network is enterprise wireless networks, and second wireless network is operator's wireless network.
When the first wireless network is enterprise wireless networks, when second wireless network is operator's wireless network, can sequentially perform step 610 to step 630, realize the method that audio call switches.
In another preferred embodiment, the first wireless network is operator's wireless network, and second wireless network is enterprise wireless networks.
When the first wireless network is operator's wireless network, when second wireless network is enterprise wireless networks, also can sequentially perform step 610 to step 630, realize the method that audio call switches.
Alternatively, in embodiments of the present invention, first user terminal and the second user terminal all can be used as calling terminal or terminal called, and first user terminal and the second user terminal all can be supported two dissimilar Radio Network Systems simultaneously.
Further, the signaling diagram that the audio call that Fig. 4 provides for the embodiment of the present invention switches, signaling diagram shown in Fig. 4 is enterprise wireless networks for working as the first wireless network, when second wireless network is operator's wireless network, first user terminal and user class switch PBX carry out current speech and call out the process of switching, signaling diagram shown in Fig. 5 is operator's wireless network for working as the first wireless network, when second wireless network is enterprise wireless networks, first user terminal and user class switch PBX carry out current speech and call out the process of switching, the process that the method that audio call in Fig. 4 and Fig. 5 switches all can be described according to previous embodiment is carried out, no longer repeat at this.
The method that the audio call providing by the application embodiment of the present invention switches, first user terminal in the first wireless network with in the second user terminal of the first wireless network or second wireless network set up current speech call out, in the time that first user terminal enters second wireless network, send publish information to PBX, and whether the voice call request of identifying PBX initiation is audio call handover request, in the time that voice call request is audio call handover request, connect switched voice call, and finish current speech and call out, and then realize the switching of audio call, the method that the audio call that the embodiment of the present invention provides switches, avoid in prior art could not successfully obtaining the problem of calling out dropped calls while switching code in first user terminal, improve the reliability that audio call switches.
The method that above-mentioned multiple embodiment describes all can realize the method that audio call switches, correspondingly, the embodiment of the present invention three also provides a kind of audio call switching device shifter, the method of switching in order to the audio call of realizing in embodiment mono-, as shown in Figure 7, described audio call switching device shifter comprises: set up unit 710, transmitting element 720, the first receiving element 730, holding unit 740 and the second receiving element 750.
The described unit 710 of setting up, calls out for setting up current speech with the user terminal of the first wireless network or second wireless network by user class switch PBX;
Transmitting element 720, in the time that described audio call switching device shifter enters described second wireless network, sends and publishes the news to described PBX, described in publish the news and carry handover request information;
The first receiving element 730, the voice call request sending by described second wireless network for receiving described PBX;
The second receiving element 750, the on-hook information sending for receiving described PBX, calls out according to current speech described in the described on-hook end of message, connects described switched voice call, thereby described current speech is called out and switched to described switched voice call.
Described user terminal also comprises: whether recognition unit 760, enter second wireless network for identification.
Described device also comprises: judging unit 770, and for judging whether described voice call request is audio call handover request.
Whether described judging unit 770 specifically for, the calling number that judges described voice call request is and the number of described PBX agreement.
The audio call switching device shifter providing by the application embodiment of the present invention, described audio call switching device shifter with in the second user terminal of the first wireless network or second wireless network set up current speech call out, in the time that described audio call switching device shifter enters second wireless network, send publish information to PBX, and whether the voice call request of identifying PBX initiation is audio call handover request, in the time that voice call request is audio call handover request, connect switched voice call, and finish current speech and call out, and then realize the switching of audio call, the audio call switching device shifter that the embodiment of the present invention provides, avoid in prior art could not successfully obtaining the problem of calling out dropped calls while switching code in first user terminal, improve the reliability that audio call switches.
Correspondingly, the embodiment of the present invention four also provides a kind of audio call switching device shifter, the method of switching in order to the audio call of realizing in embodiment bis-, as shown in Figure 8, described user class switch PBX comprises: receiving element 810, calling unit 820 and transmitting element 830.
Described receiving element 810, while entering second wireless network, receives publishing the news that described first user terminal sends by described second wireless network for leaving the first wireless network when first user terminal;
Calling unit 820, described in being used for identifying, publish the news and whether carry handover request information, if carry described handover request information, send audio call handover request by described second wireless network to described first user terminal, and switched voice call between foundation and described first user terminal;
Transmitting element 830, for sending on-hook information to described first user terminal, described on-hook information is used for finishing described current speech calls out, and connects described switched voice call, thereby described current speech is called out and switched to described switched voice call.
Described calling unit 820 specifically for, if carry described handover request information, judge that whether number information that described publish information carries mates with the number information of self storage;
In the time that the described number information that carries of publishing the news mate with the number information of described self storage, by described second wireless network to described first user terminal transmission audio call handover request.
Described device also comprises: add unit 840, call out, to form Three-Way Calling for described switched voice call being joined to described current speech.
The audio call switching device shifter providing by the application embodiment of the present invention, first user terminal in the first wireless network with in the second user terminal of the first wireless network or second wireless network set up current speech call out, in the time that first user terminal enters second wireless network, send publish information to audio call switching device shifter, and whether the voice call request of identifying the initiation of audio call switching device shifter is audio call handover request, in the time that voice call request is audio call handover request, connect switched voice call, and finish current speech and call out, and then realize the switching of audio call, the audio call switching device shifter that the embodiment of the present invention provides, avoid in prior art could not successfully obtaining the problem of calling out dropped calls while switching code in first user terminal, improve the reliability that audio call switches.
In addition, the calling switching device shifter that the embodiment of the present invention provides can also adopt implementation as follows, the method of switching in order to the audio call of realizing in the embodiment of the present invention one, as shown in Figure 9, described audio call switching device shifter comprises: processor 910, transmitter 920 and receiver 930.
Described processor 910, calls out for setting up current speech with the user terminal of the first wireless network or second wireless network by user class switch PBX;
Receiver 930, the voice call request sending by described second wireless network for receiving described PBX;
Described processor 910 also for, in the time that described voice call request is audio call handover request, the switched voice call between foundation maintenance and described PBX;
Described receiver 930 also for, receive the on-hook information that described PBX sends, call out according to current speech described in the described on-hook end of message, connect described switched voice call, thereby described current speech called out and switched to described switched voice call.
Described processor 910 also for, whether identification enters second wireless network.
Described processor 910 also for, judge whether described voice call request is audio call handover request.
Whether described processor 910 specifically for, the calling number that judges described voice call request is and the number of described PBX agreement also.
The audio call switching device shifter providing by the application embodiment of the present invention, described audio call switching device shifter with in the second user terminal of the first wireless network or second wireless network set up current speech call out, in the time that described audio call switching device shifter enters second wireless network, send publish information to PBX, and whether the voice call request of identifying PBX initiation is audio call handover request, in the time that voice call request is audio call handover request, connect switched voice call, and finish current speech and call out, and then realize the switching of audio call, the audio call switching device shifter that the embodiment of the present invention provides, avoid in prior art could not successfully obtaining the problem of calling out dropped calls while switching code in first user terminal, improve the reliability that audio call switches.
In addition, the audio call switching device shifter that the embodiment of the present invention provides can also adopt implementation as follows, the method of switching in order to the audio call of realizing in the embodiment of the present invention two, as shown in figure 10, described audio call switching device shifter comprises: receiver 1010, processor 1020 and transmitter 1030.
Described receiver 1010, while entering second wireless network, receives publishing the news that described first user terminal sends by described second wireless network for leaving the first wireless network when first user terminal;
Transmitter 1030, for sending on-hook information to described first user terminal, described on-hook information is used for finishing described current speech calls out, and connects described switched voice call, thereby described current speech is called out and switched to described current audio call afterwards.
Described processor 1020 specifically for, if carry described handover request information, judge that whether number information that described publish information carries mates with the number information of self storage;
In the time that the described number information that carries of publishing the news mate with the number information of described self storage, by described second wireless network to described first user terminal transmission audio call handover request.
Described processor 1020 also for, described switched voice call is joined during described current speech calls out, to form Three-Way Calling.
The audio call switching device shifter providing by the application embodiment of the present invention, first user terminal in the first wireless network with in the second user terminal of the first wireless network or second wireless network set up current speech call out, in the time that first user terminal enters second wireless network, send publish information to audio call switching device shifter, and whether the voice call request of identifying the initiation of audio call switching device shifter is audio call handover request, in the time that voice call request is audio call handover request, connect switched voice call, and finish current speech and call out, and then realize the switching of audio call, the audio call switching device shifter that the embodiment of the present invention provides, avoid in prior art could not successfully obtaining the problem of calling out dropped calls while switching code in first user terminal, improve the reliability that audio call switches.
Professional should further recognize, unit and the algorithm steps of each example of describing in conjunction with embodiment disclosed herein, can realize with electronic hardware, computer software or the combination of the two, for the interchangeability of hardware and software is clearly described, composition and the step of each example described according to function in the above description in general manner.These functions are carried out with hardware or software mode actually, depend on application-specific and the design constraint of technical scheme.Professional and technical personnel can realize described function with distinct methods to each specifically should being used for, but this realization should not thought and exceeds scope of the present invention.
The software module that the method for describing in conjunction with embodiment disclosed herein or the step of algorithm can use hardware, processor to carry out, or the combination of the two is implemented.Software module can be placed in the storage medium of any other form known in random asccess memory (RAM), internal memory, read-only memory (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technical field.
Above-described embodiment; object of the present invention, technical scheme and beneficial effect are further described; institute is understood that; the foregoing is only the specific embodiment of the present invention; the protection range being not intended to limit the present invention; within the spirit and principles in the present invention all, any modification of making, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (20)
1. the method that audio call switches, is characterized in that, described method comprises:
The second user terminal in first user terminal in the first wireless network and described the first wireless network or second wireless network is set up current speech by user class switch PBX and is called out;
In the time that described first user terminal enters described second wireless network, send and publish the news to described PBX, described in publish the news and carry handover request information;
Described first user terminal receives the voice call request that described PBX sends by described second wireless network;
In the time that described voice call request is audio call handover request, the switched voice call between the foundation of described first user terminal maintenance and described PBX;
Described first user terminal receives the on-hook information that described PBX sends, and calls out according to current speech described in the described on-hook end of message, connects described switched voice call, thereby described current speech is called out and switched to described switched voice call.
2. the method that audio call according to claim 1 switches, is characterized in that, is describedly sent before publishing the news and also comprises to described PBX by described second wireless network: whether first user terminal recognition self enter second wireless network.
3. the method that audio call according to claim 2 switches, is characterized in that, whether described first user terminal recognition self enters second wireless network is specially:
Whether the intensity level that described first user terminal detects described the first wireless network signal is less than first threshold, if the intensity level of described the first wireless network signal is less than first threshold, identifies described first user terminal and enters described second wireless network;
Or whether the call index that described first user terminal detects described audio call is less than Second Threshold, if the call index of described audio call is less than Second Threshold, identifies described first user terminal and enter described second wireless network;
Or, whether described first user terminal judges receives compulsory switching radio network information, according to described switching radio network information, described first user terminal enters described second wireless network, receive compulsory switching radio network information if judged, identify described first user terminal and enter described second wireless network;
Or described first user terminal detects whether added second wireless network, if detecting, described first terminal adds second wireless network, identify described first user terminal and enter described second wireless network.
4. the method that audio call according to claim 1 switches, is characterized in that, described first user terminal also comprises after receiving the voice call request that described PBX sends by described second wireless network:
Described in first user terminal judges, whether voice call request is audio call handover request.
5. the method that audio call according to claim 4 switches, is characterized in that, whether voice call request is that audio call handover request is specially described in described first user terminal judges:
Described in described first user terminal judges, whether the calling number of voice call request is the number of arranging with described PBX.
6. the method for switching according to the audio call described in claim 1 to 5 any one, is characterized in that, described the first wireless network is enterprise wireless networks, and described second wireless network is operator's wireless network;
Or described the first wireless network is operator's wireless network, described second wireless network is enterprise wireless networks.
7. the method that audio call switches, is characterized in that, described method comprises:
In the time that first user terminal is left the first wireless network and entered second wireless network, receive publishing the news that described first user terminal sends by described second wireless network;
Described in identification, publish the news and whether carry handover request information, if carry described handover request information, send audio call handover request by described second wireless network to described first user terminal, and switched voice call between foundation and described first user terminal;
Send on-hook information to described first user terminal, described on-hook information is used for finishing current speech calls out, and connects described switched voice call, thereby described current speech is called out and switched to described switched voice call.
8. the method that audio call according to claim 7 switches, is characterized in that, carries described handover request information if described, sends audio call handover request by described second wireless network to described first user terminal and is specially:
If carry described handover request information, judge whether the number information that described publish information is carried mates with the number information of self storing;
In the time that the described number information that carries of publishing the news mate with the number information of described self storage, by described second wireless network to described first user terminal transmission audio call handover request.
9. the method that audio call according to claim 8 switches, it is characterized in that, described publishing the news carried handover request information and number information, and described number information comprises with described first user terminal sets up the number of the second user terminal of audio call, described first user terminal number, the number of described first user terminal in described second wireless network in described the first wireless network;
Whether the number information carrying that publishes the news described in described judgement mates and is specially with the number information of self storing:
Judge one or more whether the coupling with the number information of self storing in the number of described the second user terminal, described first user terminal number, the number of described first user terminal in described second wireless network in described the first wireless network;
If the number information of one or more and self storage in number in described the first wireless network of the number of described the second user terminal, described first user terminal, the number of described first user terminal in described second wireless network mate, by described second wireless network to described first user terminal transmission audio call handover request.
10. the method that audio call according to claim 7 switches, is characterized in that, described in publish the news and carry handover request information and the number of described first user terminal in described second wireless network; The called number that described audio call handover request comprises is the number of described first user terminal in described second wireless network.
The method that 11. audio calls according to claim 7 switch, is characterized in that, the calling number of described audio call handover request is the number of arranging with described first user terminal.
The method that 12. audio calls according to claim 7 switch, it is characterized in that, after switched voice call between described foundation and described first user terminal, also comprise: described switched voice call is joined in described current speech calling, to form Three-Way Calling.
13. methods of switching according to the audio call described in claim 7 to 12 any one, is characterized in that, described the first wireless network is enterprise wireless networks, and described second wireless network is operator's wireless network;
Or described the first wireless network is operator's wireless network, described second wireless network is enterprise wireless networks.
14. 1 kinds of audio call switching device shifters, described audio call switching device shifter is positioned at the first wireless network, it is characterized in that, and described audio call switching device shifter comprises:
Set up unit, call out for setting up current speech with the user terminal of the first wireless network or second wireless network by user class switch PBX;
Transmitting element, in the time that described audio call switching device shifter enters described second wireless network, sends and publishes the news to described PBX, described in publish the news and carry handover request information;
The first receiving element, the voice call request sending by described second wireless network for receiving described PBX;
Holding unit, in the time that described voice call request is audio call handover request, the switched voice call between foundation maintenance and described PBX;
The second receiving element, the on-hook information sending for receiving described PBX, calls out according to current speech described in the described on-hook end of message, connects described switched voice call, thereby described current speech is called out and switched to described switched voice call.
15. audio call switching device shifters according to claim 14, is characterized in that, described device also comprises: whether recognition unit, enter second wireless network for identification.
16. audio call switching device shifters according to claim 14, is characterized in that, described device also comprises: judging unit, and for judging whether described voice call request is audio call handover request.
17. audio call switching device shifters according to claim 16, is characterized in that, described judging unit specifically for,
Whether the calling number that judges described voice call request is the number of arranging with described PBX.
18. 1 kinds of audio call switching device shifters, is characterized in that, described device comprises:
Receiving element, while entering second wireless network, receives publishing the news that described first user terminal sends by described second wireless network for leaving the first wireless network when first user terminal;
Calling unit, described in being used for identifying, publish the news and whether carry handover request information, if carry described handover request information, send audio call handover request by described second wireless network to described first user terminal, and switched voice call between foundation and described first user terminal;
Transmitting element, for sending on-hook information to described first user terminal, described on-hook information is used for finishing described current speech calls out, and connects described switched voice call, thereby described current speech is called out and switched to described switched voice call.
19. audio call switching device shifters according to claim 18, is characterized in that, described calling unit specifically for,
If carry described handover request information, judge whether the number information that described publish information is carried mates with the number information of self storing;
In the time that the described number information that carries of publishing the news mate with the number information of described self storage, by described second wireless network to described first user terminal transmission audio call handover request.
20. audio call switching device shifters according to claim 18, is characterized in that, described device also comprises: add unit, call out, to form Three-Way Calling for described switched voice call being joined to described current speech.
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