CN107872849A - The implementation method and device of injection frequency continuous voice call - Google Patents

The implementation method and device of injection frequency continuous voice call Download PDF

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Publication number
CN107872849A
CN107872849A CN201610852973.7A CN201610852973A CN107872849A CN 107872849 A CN107872849 A CN 107872849A CN 201610852973 A CN201610852973 A CN 201610852973A CN 107872849 A CN107872849 A CN 107872849A
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China
Prior art keywords
mobile terminal
networks
sent
srvcc
called mobile
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Pending
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CN201610852973.7A
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Chinese (zh)
Inventor
倪金金
何毅
祝定静
陈贤亮
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Spreadtrum Communications Shanghai Co Ltd
Spreadtrum Communications Inc
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Spreadtrum Communications Shanghai Co Ltd
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Priority to CN201610852973.7A priority Critical patent/CN107872849A/en
Publication of CN107872849A publication Critical patent/CN107872849A/en
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0011—Control or signalling for completing the hand-off for data sessions of end-to-end connection
    • H04W36/0022—Control or signalling for completing the hand-off for data sessions of end-to-end connection for transferring data sessions between adjacent core network technologies
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/14—Reselecting a network or an air interface

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The present invention provides a kind of implementation method and device of injection frequency continuous voice call.Methods described includes：Receive the conversation request message for the volte voice calls that network side equipment is sent under LTE network；The injection frequency continuous voice call SRVCC switching commands that the network side equipment is sent are received, the SRVCC switching commands are used to indicate that the called mobile terminal switches to 2G/3G networks from current LTE network；Operation is switched over according to the SRVCC switching commands, and sends SRVCC after the handover operation is completed and handovers complete message to the network side equipment；ALERTING message is sent to the network side equipment by the 2G/3G networks.The present invention can carry out SRVCC switchings before called mobile terminal responds ring, so as to avoid due to phone abnormal interrupt phenomenon caused by LTE poor signals before called mobile terminal transmission ring.

Description

The implementation method and device of injection frequency continuous voice call
Technical field
The present invention relates to mobile communication technology field, more particularly to a kind of implementation method of injection frequency continuous voice call And device.
Background technology
Traditional 2G/3G (Generation Mobile Telecommunication System/3G (Third Generation) Moblie) networks due to possessing CS (Circuit simultaneously Switched, circuit switching) and PS (Packet Switched, packet switch) network, speech business can use CS networks, Data service can use PS networks.But 4G (forth generation mobile communication) networks are because its agreement define only PS networks, because This has CS equipment no longer in 4G networks.But speech business is necessary again in actual life, so 3GPP (The 3rd Generation Partnership Project, third generation cooperative programme) agreement defines VoLTE (Voice Over Long Term Evolution, long-term evolving network speech business).SRVCC(Single Radio Voice Call Continuity, injection frequency continuous voice call) it is a kind of VoLTE voice business continuities solution that 3GPP is proposed, Primarily to solving when injection frequency UE is moved between LTE network and 2G/3G CS networks, how to ensure that audio call connects The problem of continuous property.Specifically, due to LTE network limited coverage area, when user is carrying out voice call process using LTE network In, be moved to that LTE signals are weaker and when 2G/3G signals cover preferable region, in order to ensure voice continuity, it is necessary to Phone is switched to by 2G/3G networks by SRVCC modes in VoLTE Phone process, to prevent the abnormal interrupt of phone.
During the present invention is realized, inventor has found following technical problem in the prior art at least be present：
For the called end of VoLTE phones, the SRVCC realization sides after called end transmission ring are only existed in the prior art Formula, if called end send ring before LTE signals when can not meet regular traffic demand, can not be by SRVCC modes by electricity Words, which are switched under 2G/3G networks, to continue, so as to cause the abnormal interrupt of phone.
The content of the invention
The implementation method and device of injection frequency continuous voice call provided by the invention, it can be returned in called mobile terminal Answer and SRVCC switchings are carried out before ring, so as to avoid because LTE poor signals cause before called mobile terminal transmission ring Phone abnormal interrupt phenomenon.
In a first aspect, the present invention provides a kind of implementation method of injection frequency continuous voice call, applied to called movement Terminal, including：
Receive the conversation request message for the volte voice calls that network side equipment is sent under LTE network；
The injection frequency continuous voice call SRVCC switching commands that the network side equipment is sent are received, the SRVCC is cut Order is changed to be used to indicate that the called mobile terminal switches to 2G/3G networks from current LTE network；
Operation is switched over according to the SRVCC switching commands, and SRVCC switchings are sent after the handover operation is completed Completion message is to the network side equipment；
ALERTING message is sent to the network side equipment by the 2G/3G networks.
Alternatively, operation is switched over according to the SRVCC switching commands described, and after the handover operation is completed SRVCC is sent to handover complete message to after the network side equipment, it is described to be set by the 2G/3G networks to the network side Before preparation send ALERTING message, in addition to：
Volte speech services states are synchronously converted into corresponding speech services state under 2G/3G networks.
Second aspect, the present invention provide a kind of implementation method of injection frequency continuous voice call, set applied to network side It is standby, including：
The conversation request message of volte voice calls is sent to mobile terminal under LTE network；
Detect the network signal of the LET networks；
When the network signal for detecting the LTE network can not meet normal volte voice calls, injection frequency is sent Continuous voice call SRVCC switching commands to the called mobile terminal, wherein, the SRVCC switching commands be used for indicate The called mobile terminal switches to 2G/3G networks from current LTE network；
Receive the SRVCC handoff completion messages that the called mobile terminal is sent；
Receive the ALERTING message that the called mobile terminal is sent by the 2G/3G networks.
Alternatively, after the SRVCC handoff completion messages for receiving the called mobile terminal and sending, the reception Before the ALERTING message that the called mobile terminal is sent by the 2G/3G networks, in addition to：
Volte speech services states are synchronously converted into corresponding speech services state under 2G/3G networks.
The third aspect, the present invention provide a kind of realization device of injection frequency continuous voice call, are arranged at called movement Terminal, described device include the first receiving module, the second receiving module, handover module, the first sending module and second and send mould Block；
First receiving module, the meeting of the volte voice calls sent for receiving network side equipment under LTE network Talk about request message；
Second receiving module, the injection frequency continuous voice call sent for receiving the network side equipment SRVCC switching commands, wherein, the SRVCC switching commands are used to indicate that the called mobile terminal is cut from current LTE network Shift to 2G/3G networks；
The handover module, for switching over operation according to the SRVCC switching commands；
First sending module, switch for sending SRVCC after the handover module completes the handover operation Into message to the network side equipment；
Second sending module, for sending ALERTING message to the network side equipment by the 2G/3G networks.
Alternatively, described device also includes the first synchronization module, first synchronization module, for by volte voice industry Business state synchronized is converted into corresponding speech services state under 2G/3G networks.
Fourth aspect, the present invention provide a kind of realization device of injection frequency continuous voice call, are arranged at network side and set Standby, described device includes the 3rd sending module, detection module, the 4th sending module, the 3rd receiving module and the 4th receiving module；
3rd sending module, for sending the session of volte voice calls to called mobile terminal under LTE network Request message；
The detection module, for detecting the network signal of the LET networks；
4th sending module, for detecting that the network signal of the LET networks can not expire when the detection module During sufficient normal volte voice calls, it is whole to the called movement to send injection frequency continuous voice call SRVCC switching commands End, wherein, the SRVCC switching commands are used to indicate that the called mobile terminal switches to 2G/3G nets from current LTE network Network；
3rd receiving module, the SRVCC handoff completion messages sent for receiving the called mobile terminal；
4th receiving module, the ring sent for receiving the called mobile terminal by the 2G/3G networks Message.
Alternatively, described device also includes the second synchronization module, second synchronization module, for by volte voice industry Business state synchronized is converted into corresponding speech services state under 2G/3G networks.
The implementation method and device of injection frequency continuous voice call provided in an embodiment of the present invention, with prior art phase Than SRVCC switchings can be carried out before called mobile terminal responds ring, so as to avoid because called mobile terminal is sent Phone abnormal interrupt phenomenon caused by LTE poor signals before ring.
Brief description of the drawings
Fig. 1 is the flow chart of the implementation method of one embodiment of the invention injection frequency continuous voice call；
Fig. 2 is the structural representation of the realization device of one embodiment of the invention injection frequency continuous voice call；
Fig. 3 is the flow chart of the implementation method of one embodiment of the invention injection frequency continuous voice call；
Fig. 4 is the structural representation of the realization device of one embodiment of the invention injection frequency continuous voice call.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only Only it is part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill The every other embodiment that personnel are obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
The present invention provides a kind of implementation method of injection frequency continuous voice call, applied to called mobile terminal, such as Fig. 1 Shown, methods described includes：
S11, the conversation request message for receiving the volte voice calls that network side equipment is sent under LTE network.
S12, receive the injection frequency continuous voice call SRVCC switching commands that the network side equipment is sent.
Wherein, the SRVCC switching commands are used to indicate that the called mobile terminal switches to from current LTE network 2G/3G networks.
S13, operation is switched over according to the SRVCC switching commands, and SRVCC is sent after the handover operation is completed Handover complete message to the network side equipment.
S14, by the 2G/3G networks to the network side equipment send ALERTING message.It is provided in an embodiment of the present invention The implementation method of injection frequency continuous voice call, compared with prior art, can be before called mobile terminal responds ring SRVCC switchings are carried out, so as to avoid because phone caused by LTE poor signals is abnormal before called mobile terminal transmission ring Disruption.
Further, after step s 13 before step S14, in addition to：
Volte speech services states are synchronously converted into corresponding speech services state under 2G/3G networks.
Specifically, terminal after handover success to IMS (the IP Multimedia of responsible volte speech businesses Subsystem, IP multimedia system) module polls telephone state, by the incoming call State Transferring inquired into right under 2G/3G networks That answers carrys out electricity condition.The present invention provides a kind of realization device of injection frequency continuous voice call, positioned at called mobile terminal, such as Shown in Fig. 2, described device includes the first receiving module 11, the second receiving module 12, handover module 13, the and of the first sending module 14 Second sending module 15.
First receiving module 11, the volte voice calls sent for receiving network side equipment under LTE network Conversation request message；
Second receiving module 12, the injection frequency continuous voice call sent for receiving the network side equipment SRVCC switching commands；
Wherein, the SRVCC switching commands are used to indicate that the called mobile terminal switches to from current LTE network 2G/3G networks；
The handover module 13, for switching over operation according to the SRVCC switching commands；
First sending module 14, cut for sending SRVCC after the handover module 13 completes the handover operation Completion message is changed to the network side equipment；
Second sending module 15, for sending ALERTING message to the network side equipment by the 2G/3G networks.
The realization device of injection frequency continuous voice call provided in an embodiment of the present invention, compared with prior art, can Called mobile terminal respond ring before carry out SRVCC switchings, so as to avoid due to called mobile terminal send ring it Phone abnormal interrupt phenomenon caused by preceding LTE poor signals.
Further, described device also includes the first synchronization module, first synchronization module, for by volte voices Service condition is synchronously converted into corresponding speech services state under 2G/3G networks.
The present invention provides a kind of implementation method of injection frequency continuous voice call, applied to network side equipment, such as Fig. 3 institutes Show, methods described includes：
S21, under LTE network to mobile terminal send volte voice calls conversation request message.
S22, the detection LET networks network signal.
S23, when the network signal for detecting the LTE network can not meet normal volte voice calls, send single Radio frequency continuous voice call SRVCC switching commands are to the called mobile terminal.
Wherein, the SRVCC switching commands are used to indicate that the called mobile terminal switches to from current LTE network 2G/3G networks.
S24, receive the SRVCC handoff completion messages that the called mobile terminal is sent.
S25, receive the ALERTING message that the called mobile terminal is sent by the 2G/3G networks.The embodiment of the present invention The injection frequency continuous voice call SRVCC of offer implementation method, compared with prior art, it can be returned in called mobile terminal Answer and SRVCC switchings are carried out before ring, so as to avoid because LTE poor signals cause before called mobile terminal transmission ring Phone abnormal interrupt phenomenon.
Further, before step S25 after step S24, in addition to：
Volte speech services states are synchronously converted into corresponding speech services state under 2G/3G networks.
Specifically, the IMS (IP of the backward responsible volte speech businesses of notice of SRVCC handover success are received Multimedia Subsystem, IP multimedia system) module polls telephone state, by the incoming call State Transferring inquired into Carry out electricity condition corresponding under 2G/3G networks.
The present invention provides a kind of injection frequency continuous voice call realization device, network side equipment is arranged at, such as Fig. 4 institutes Show, described device includes the 3rd sending module 21, detection module 22, the 4th sending module 23, the 3rd receiving module 24 and the 4th Receiving module 25；
3rd sending module 21, the session for sending volte voice calls to mobile terminal under LTE network please Seek message；
The detection module 22, for detecting the network signal of the LET networks；
4th sending module 23, for detecting the network signal of the LTE network not when the detection module 22 When can meet normal volte voice calls, injection frequency continuous voice call SRVCC switching commands are sent to the called shifting Dynamic terminal, wherein, the SRVCC switching commands are used to indicate that the called mobile terminal switches to 2G/ from current LTE network 3G network；
3rd receiving module 24, the SRVCC handoff completion messages sent for receiving the called mobile terminal；
4th receiving module 25, shaken for receiving the called mobile terminal by what the 2G/3G networks were sent Bell message.
The realization device of injection frequency continuous voice call provided in an embodiment of the present invention, compared with prior art, can Called mobile terminal respond ring before carry out SRVCC switchings, so as to avoid due to called mobile terminal send ring it Phone abnormal interrupt phenomenon caused by preceding LTE poor signals.
Further, described device also includes the second synchronization module, second synchronization module, for by volte voices Service condition is synchronously converted into corresponding speech services state under 2G/3G networks.
One of ordinary skill in the art will appreciate that realize all or part of flow in above-described embodiment method, being can be with The hardware of correlation is instructed to complete by computer program, described program can be stored in a computer read/write memory medium In, the program is upon execution, it may include such as the flow of the embodiment of above-mentioned each method.Wherein, described storage medium can be magnetic Dish, CD, read-only memory (Read-Only Memory, ROM) or random access memory (Random Access Memory, RAM) etc..
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any Those familiar with the art the invention discloses technical scope in, the change or replacement that can readily occur in, all should It is included within the scope of the present invention.Therefore, protection scope of the present invention should be defined by scope of the claims.

Claims (8)

  1. A kind of 1. implementation method of injection frequency continuous voice call, applied to called mobile terminal, it is characterised in that including：
    Receive the conversation request message for the volte voice calls that network side equipment is sent under LTE network；
    Receive the injection frequency continuous voice call SRVCC switching commands that the network side equipment is sent, the SRVCC switchings life Make for indicating that the called mobile terminal switches to 2G/3G networks from current LTE network；
    Operation is switched over according to the SRVCC switching commands, and sends SRVCC switchings after the handover operation is completed and completes Message is to the network side equipment；
    ALERTING message is sent to the network side equipment by the 2G/3G networks.
  2. 2. according to the method for claim 1, it is characterised in that switched over described according to the SRVCC switching commands Operation, and after SRVCC is sent after completing the handover operation and handovers complete message to the network side equipment, it is described to pass through Before the 2G/3G networks send ALERTING message to the network side equipment, in addition to：
    Volte speech services states are synchronously converted into corresponding speech services state under 2G/3G networks.
  3. A kind of 3. implementation method of injection frequency continuous voice call, applied to network side equipment, it is characterised in that including：
    The conversation request message of volte voice calls is sent to mobile terminal under LTE network；
    Detect the network signal of the LET networks；
    When the network signal for detecting the LTE network can not meet normal volte voice calls, injection frequency voice is sent Call continuity SRVCC switching commands to the called mobile terminal, wherein, the SRVCC switching commands are used to indicating described Called mobile terminal switches to 2G/3G networks from current LTE network；
    Receive the SRVCC handoff completion messages that the called mobile terminal is sent；
    Receive the ALERTING message that the called mobile terminal is sent by the 2G/3G networks.
  4. 4. according to the method for claim 3, it is characterised in that receive what the called mobile terminal was sent described After SRVCC handoff completion messages, the ALERTING message for receiving the called mobile terminal and being sent by the 2G/3G networks Before, in addition to：
    Volte speech services states are synchronously converted into corresponding speech services state under 2G/3G networks.
  5. A kind of 5. realization device of injection frequency continuous voice call, positioned at called mobile terminal, it is characterised in that described device Including the first receiving module, the second receiving module, handover module, the first sending module and the second sending module；
    First receiving module, the session of the volte voice calls sent for receiving network side equipment under LTE network please Seek message；
    Second receiving module, cut for receiving the injection frequency continuous voice call SRVCC that the network side equipment is sent Order is changed, wherein, the SRVCC switching commands are used to indicate that the called mobile terminal switches to 2G/ from current LTE network 3G network；
    The handover module, for switching over operation according to the SRVCC switching commands；
    First sending module, disappear for sending SRVCC switching completions after the handover module completes the handover operation Cease to the network side equipment；
    Second sending module, for sending ALERTING message to the network side equipment by the 2G/3G networks.
  6. 6. device according to claim 5, it is characterised in that described device also includes：
    First synchronization module, for volte speech services states to be synchronously converted into corresponding speech business shape under 2G/3G networks State.
  7. A kind of 7. realization device of injection frequency continuous voice call, positioned at network side equipment, it is characterised in that described device bag Include the 3rd sending module, detection module, the 4th sending module, the 3rd receiving module and the 4th receiving module；
    3rd sending module, for sending the session request of volte voice calls to called mobile terminal under LTE network Message；
    The detection module, for detecting the network signal of the LET networks；
    4th sending module, for detecting that the network signal of the LET networks can not meet just when the detection module During normal volte voice calls, injection frequency continuous voice call SRVCC switching commands are sent to the called mobile terminal, Wherein, the SRVCC switching commands are used to indicate that the called mobile terminal switches to 2G/3G networks from current LTE network；
    3rd receiving module, the SRVCC handoff completion messages sent for receiving the called mobile terminal；
    4th receiving module, the ALERTING message sent for receiving the called mobile terminal by the 2G/3G networks.
  8. 8. device according to claim 7, it is characterised in that described device also includes：
    Second synchronization module, for volte speech services states to be synchronously converted into corresponding speech business shape under 2G/3G networks State.
CN201610852973.7A 2016-09-26 2016-09-26 The implementation method and device of injection frequency continuous voice call Pending CN107872849A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108684061A (en) * 2018-04-25 2018-10-19 北京小米移动软件有限公司 Paging method, device and computer readable storage medium
CN108966274A (en) * 2018-09-26 2018-12-07 Oppo广东移动通信有限公司 Different-system switching method and user equipment
CN112449385A (en) * 2019-09-02 2021-03-05 中兴通讯股份有限公司 Method and device for continuity of dual-mode single-standby wireless voice call before ringing

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EP2957125A1 (en) * 2013-02-12 2015-12-23 Telefonaktiebolaget L M Ericsson (publ) Technique for transferring a session with changeable session state

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108684061A (en) * 2018-04-25 2018-10-19 北京小米移动软件有限公司 Paging method, device and computer readable storage medium
CN108966274A (en) * 2018-09-26 2018-12-07 Oppo广东移动通信有限公司 Different-system switching method and user equipment
CN108966274B (en) * 2018-09-26 2022-04-05 Oppo广东移动通信有限公司 Inter-system switching method and user equipment
CN112449385A (en) * 2019-09-02 2021-03-05 中兴通讯股份有限公司 Method and device for continuity of dual-mode single-standby wireless voice call before ringing
CN112449385B (en) * 2019-09-02 2024-03-29 中兴通讯股份有限公司 Method and device for dual-mode single-standby wireless voice call continuity before ringing

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Application publication date: 20180403