CN108207015A - Implementation method, device and the network side equipment of injection frequency continuous voice call SRVCC - Google Patents

Implementation method, device and the network side equipment of injection frequency continuous voice call SRVCC Download PDF

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Publication number
CN108207015A
CN108207015A CN201611178708.1A CN201611178708A CN108207015A CN 108207015 A CN108207015 A CN 108207015A CN 201611178708 A CN201611178708 A CN 201611178708A CN 108207015 A CN108207015 A CN 108207015A
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China
Prior art keywords
telephone state
user terminal
state
ims
telephone
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CN201611178708.1A
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Chinese (zh)
Inventor
倪金金
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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 CN201611178708.1A priority Critical patent/CN108207015A/en
Publication of CN108207015A publication Critical patent/CN108207015A/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
    • H04W36/0016—Hand-off preparation specially adapted for end-to-end data sessions
    • 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 SRVCC.The method includes：The first IMS instruction messages for being used to indicate recipient's switched telephone state are sent to user terminal, to indicate the user terminal according to the first IMS instruction message switched telephone states；SRVCC switch indicating informations are sent to the user terminal；Receive the SRVCC handoff completion messages that the user terminal is sent；It sends to obtain the STATUS ENQUIRY message of recipient's telephone state to the user terminal；Receive the status inquiry response message for carrying telephone state that the user terminal is sent；The telephone state of the user terminal is obtained according to the status inquiry response message；If the telephone state of the telephone state of itself and the user terminal is inconsistent, corresponding telephone state conversion operation is carried out.The present invention can avoid the phenomenon that subsequently call can not be normally carried out caused by being lost due to the IMS signalings in SRVCC handoff procedures.

Description

Implementation method, device and the network side equipment of injection frequency continuous voice call SRVCC
Technical field
The present invention relates to wireless communication technology field more particularly to a kind of realities of injection frequency continuous voice call SRVCC Existing method, apparatus and network side equipment.
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 since its agreement defines 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 using LTE network to carry out voice call process In, it is moved to that LTE signals are weaker when 2G/3G signals cover preferable region, in order to ensure voice continuity, needs Phone is switched to by 2G/3G networks by SRVCC modes in VoLTE Phone process, to prevent the abnormal interrupt of phone.
In the implementation of the present invention, inventor has found at least to have the following technical problems in the prior art：
VoLTE phones in SRVCC handoff procedures are carried out it is possible that IMS (IP Multimedia Subsystem, IP multimedia subsystems) signaling loss, and the loss of this IMS signalings may result in switch to after 2G/3G networks and occur eventually End is inconsistent with the telephone state of network side, and then causes subsequently to converse and can not be normally carried out.Specifically, if network side is to use After family terminal sends IMS signal, SRVCC switchings are initiated, then whether network side possibly can not determine the IMS signaling users terminal It has received.If moreover, the processing of the IMS signalings is related to telephone state conversion, then switches although may have SRVCC Success, it is this inconsistent to may be but since the telephone state of terminal and network side is inconsistent：User terminal receives IMS letters The conversion of telephone state is enabled and has carried out, but network side thinks that user terminal does not receive the IMS signalings without converting electricity Speech phase；Alternatively, user terminal does not actually receive the IMS signalings, because of the conversion without progress telephone state, but network side The conversion of telephone state has been carried out after the IMS signalings are sent out.It can be seen that lack in the prior art to SRVCC handoff procedures In the protection mechanism lost of the IMS signalings that are likely to occur.
Invention content
The implementation method and device of injection frequency continuous voice call SRVCC provided by the invention, can avoid due to The phenomenon that subsequently call can not be normally carried out caused by IMS signalings in SRVCC handoff procedures are lost.
In a first aspect, the present invention provides a kind of implementation method of injection frequency continuous voice call SRVCC, applied to network Side apparatus, including：
The first IMS instruction messages for being used to indicate recipient's switched telephone state are sent to user terminal, with described in instruction User terminal is according to the first IMS instruction message switched telephone states；
SRVCC switch indicating informations are sent to the user terminal；
Receive the SRVCC handoff completion messages that the user terminal is sent；
It sends to obtain the STATUS ENQUIRY message of recipient's telephone state to the user terminal；
Receive the status inquiry response message for carrying telephone state that the user terminal is sent；
The telephone state of the user terminal is obtained according to the status inquiry response message；
If the telephone state of the telephone state of itself and the user terminal is inconsistent, corresponding telephone state is carried out Conversion operation.
Optionally, if the telephone state of the telephone state of itself and the user terminal is inconsistent, phase is carried out The telephone state conversion operation answered, including：
If the telephone state of the telephone state of itself and the user terminal is inconsistent, switched telephone state, so that The telephone state of telephone state and the user terminal derived from body is consistent；
Wherein, the user terminal has fed back the first IMS instructions response message extremely after receiving the first IMS instruction messages The network side equipment, and the conversion of corresponding telephone state is carried out, and the network side equipment is not due to receiving described One IMS indicates response message, does not carry out the conversion of corresponding telephone state.
Optionally, if the telephone state of the telephone state of itself and the user terminal is inconsistent, phase is carried out The telephone state conversion operation answered, including：
If the telephone state of the telephone state of itself and the user terminal is inconsistent, switched telephone state or logical It crosses and reissues message corresponding with the first IMS instruction messages to the user terminal instruction user terminal conversion phone shape State, so that the telephone state of the telephone state of itself and the user terminal is consistent；
Wherein, the user terminal is due to being not received by the first IMS instruction messages without carrying out corresponding electricity The conversion of speech phase, the network side equipment carry out the conversion of telephone state after the first IMS instruction messages are sent.
Optionally, the telephone state includes phone hold mode, phone activation state and phone ringing state.
Second aspect, the present invention provides a kind of realization device of injection frequency continuous voice call SRVCC, positioned at network side Equipment, including：
First sending module, for sending the first IMS instruction messages extremely use for being used to indicate recipient's switched telephone state Family terminal, to indicate the user terminal according to the first IMS instruction message switched telephone states；
Second sending module, for sending SRVCC switch indicating informations to the user terminal；
First receiving module, for receiving the SRVCC handoff completion messages that the user terminal is sent；
Third sending module, it is whole to the user for obtaining the STATUS ENQUIRY message of recipient's telephone state for sending End；
Second receiving module disappears for receiving the status inquiry for the carrying telephone state response that the user terminal is sent Breath；
Acquisition module, for obtaining the telephone state of the user terminal according to the status inquiry response message；
Modular converter if the telephone state for the telephone state of itself and the user terminal is inconsistent, carries out Corresponding telephone state conversion operation.
Optionally, the modular converter, if for the telephone state of the telephone state of itself and the user terminal not Unanimously, then switched telephone state, so that the telephone state of the telephone state of itself and the user terminal is consistent；
Wherein, the user terminal has fed back the first IMS instructions response message extremely after receiving the first IMS instruction messages The network side equipment, and the conversion of corresponding telephone state is carried out, and the network side equipment is not due to receiving described One IMS indicates response message, does not carry out the conversion of corresponding telephone state.
Optionally, the modular converter, if for the telephone state of the telephone state of itself and the user terminal not Unanimously, then switched telephone state or by reissuing message corresponding with the first IMS instruction messages to the user terminal The user terminal conversion telephone state is indicated, so that the telephone state of the telephone state of itself and the user terminal is kept Unanimously；
Wherein, the user terminal is due to being not received by the first IMS instruction messages without carrying out corresponding electricity The conversion of speech phase, the network side equipment carry out the conversion of telephone state after the first IMS instruction messages are sent.
Optionally, the telephone state includes phone hold mode, phone activation state and phone ringing state.
The third aspect, the present invention provide a kind of network side equipment, which is characterized in that the network side equipment includes above-mentioned The realization device of injection frequency continuous voice call SRVCC described in one.
Implementation method, device and the network side of injection frequency continuous voice call SRVCC provided in an embodiment of the present invention is set Standby, compared with prior art, the present invention sends STATUS ENQUIRY message to end by network side equipment after SRVCC handover success End, and the status inquiry response message of terminal feedback is received to obtain the telephone state of terminal, and is rung according to the status inquiry Message is answered to convert the telephone state of itself and distant terminal, so that the telephone state of the terminal of network side equipment and both call sides Unanimously, so as to avoid caused by being lost due to the IMS signalings in SRVCC handoff procedures, subsequently call can not be normally carried out Phenomenon.
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 SRVCC；
Fig. 2 is the injection frequency audio call that above-described embodiment is specifically described so that network side sends phone holding request as an example The implementation method of continuity SRVCC；
Fig. 3 is the injection frequency audio call that above-described embodiment is specifically described so that network side sends phone holding request as an example The implementation method of continuity SRVCC；
Fig. 4 is the structure diagram of the realization device of one embodiment of the invention injection frequency continuous voice call SRVCC.
Specific embodiment
Purpose, technical scheme and advantage to make the embodiment of the present invention are clearer, below in conjunction with the embodiment of the present invention In attached drawing, the technical solution 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, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill Personnel's all other embodiments obtained without making creative work, shall fall within the protection scope of the present invention.
The present invention provides a kind of implementation method of injection frequency continuous voice call SRVCC, applied to network side equipment, such as Shown in Fig. 1, the method includes：
S11, transmission are used to indicate the first IMS instruction messages of recipient's switched telephone state to user terminal, with instruction The user terminal is according to the first IMS instruction message switched telephone states；
Wherein, the telephone state includes phone hold mode, phone activation state and phone ringing state.
S12, SRVCC switch indicating informations are sent to the user terminal；
S13, the SRVCC handoff completion messages that the user terminal is sent are received；
S14, it sends to obtain the STATUS ENQUIRY message of recipient's telephone state to the user terminal；
S15, the status inquiry response message for carrying telephone state that the user terminal is sent is received；
S16, the telephone state that the user terminal is obtained according to the status inquiry response message；
If S17, the telephone state of the telephone state of itself and the user terminal are inconsistent, corresponding phone is carried out State transition operation.
The implementation method of injection frequency continuous voice call SRVCC provided in an embodiment of the present invention, compared with prior art, The present invention sends STATUS ENQUIRY message to terminal by network side equipment after SRVCC handover success, and receives terminal feedback Status inquiry response message converts itself and other side to obtain the telephone state of terminal according to the status inquiry response message The telephone state of terminal so that network side equipment is consistent with the telephone state of the terminal of both call sides, so as to avoid by The phenomenon that subsequently call can not be normally carried out caused by IMS signalings in SRVCC handoff procedures are lost.
Optionally, if the telephone state of the telephone state of itself and the user terminal is inconsistent, phase is carried out The telephone state conversion operation answered, including：
If the telephone state of the telephone state of itself and the user terminal is inconsistent, switched telephone state, so that The telephone state of telephone state and the user terminal derived from body is consistent；
Wherein, the user terminal has fed back the first IMS instructions response message extremely after receiving the first IMS instruction messages The network side equipment, and the conversion of corresponding telephone state is carried out, and the network side equipment is not due to receiving described One IMS indicates response message, does not carry out the conversion of corresponding telephone state.
Optionally, if the telephone state of the telephone state of itself and the user terminal is inconsistent, phase is carried out The telephone state conversion operation answered, including：
If the telephone state of the telephone state of itself and the user terminal is inconsistent, switched telephone state or logical It crosses and reissues message corresponding with the first IMS instruction messages to the user terminal instruction user terminal conversion phone shape State, so that the telephone state of the telephone state of itself and the user terminal is consistent；
Wherein, the user terminal is due to being not received by the first IMS instruction messages without carrying out corresponding electricity The conversion of speech phase, the network side equipment carry out the conversion of telephone state after the first IMS instruction messages are sent.
In order to illustrate the implementation method of injection frequency continuous voice call SRVCC provided by the invention in more detail, under Face is sent for phone keeps request by network side and described in detail, as shown in Figure 2：
1) the first IMS that network side equipment transmission is used to indicate recipient's switched telephone state to phone hold mode is indicated Message is to user terminal UE.
2) after UE receives the first IMS instruction messages, the first IMS of transmission instruction response messages to network side equipment, And the conversion of telephone state is carried out according to the first IMS instruction messages.
3) network side equipment does not carry out corresponding phone shape due to no first IMS instructions response message The conversion of state.
4) network side equipment sends SRVCC switch indicating informations to UE.
5) UE switches to 2G/3G networks according to the SRVCC switch indicating informations, and sends SRVCC handoff completion messages To the network side equipment.
6) network side equipment send for obtain recipient telephone state STATUS ENQUIRY message to UE.
7) UE transmissions carry the status inquiry response message of telephone state to network side equipment.
8) telephone state that UE is obtained according to the status inquiry response message is phone hold mode.
9) network side equipment converts the telephone state of itself to phone hold mode, so that the telephone state of itself It is consistent with the telephone state of the user terminal.
In order to illustrate the implementation method of injection frequency continuous voice call SRVCC provided by the invention in more detail, under Face is sent for phone keeps request by network side and described in detail, as shown in Figure 3：
1) the first IMS that network side equipment transmission is used to indicate recipient's switched telephone state to phone hold mode is indicated Message is to user terminal UE.
2) UE is not received by the first IMS instruction messages, the conversion without carrying out corresponding telephone state.
3) conversion of corresponding telephone state is carried out after the first IMS instruction messages of the network side equipment transmission.
4) network side equipment sends SRVCC switch indicating informations to UE.
5) UE switches to 2G/3G networks according to the SRVCC switch indicating informations, and sends SRVCC handoff completion messages To the network side equipment.
6) network side equipment send for obtain recipient telephone state STATUS ENQUIRY message to UE.
7) UE transmissions carry the status inquiry response message of telephone state to network side equipment.
8) telephone state that UE is obtained according to the status inquiry response message is phone activation state.
9) network side equipment is by reissuing message corresponding with the first IMS instruction messages to the user terminal The user terminal conversion telephone state is indicated, so that the telephone state of the telephone state of itself and the user terminal is kept Unanimously.
In addition, the network side equipment can also convert the telephone state of itself to phone activation state, so that itself The telephone state of telephone state and the user terminal be consistent.
The embodiment of the present invention also provides a kind of realization device of injection frequency continuous voice call SRVCC, as shown in figure 4, Positioned at network side equipment, including：
First sending module 41 is used to indicate the first IMS instruction messages of recipient's switched telephone state extremely for transmission User terminal, to indicate the user terminal according to the first IMS instruction message switched telephone states；
Second sending module 42, for sending SRVCC switch indicating informations to the user terminal；
First receiving module 43, for receiving the SRVCC handoff completion messages that the user terminal is sent；
Third sending module 44, for sending to obtain the STATUS ENQUIRY message of recipient's telephone state to the user Terminal；
Second receiving module 45, for receiving the status inquiry for the carrying telephone state response that the user terminal is sent Message；
Acquisition module 46, for obtaining the telephone state of the user terminal according to the status inquiry response message；
Modular converter 47, if the telephone state for the telephone state of itself and the user terminal is inconsistent, into The corresponding telephone state conversion operation of row.
The realization device of injection frequency continuous voice call SRVCC provided in an embodiment of the present invention, compared with prior art, The present invention sends STATUS ENQUIRY message to terminal by network side equipment after SRVCC handover success, and receives terminal feedback Status inquiry response message converts itself and other side to obtain the telephone state of terminal according to the status inquiry response message The telephone state of terminal so that network side equipment is consistent with the telephone state of the terminal of both call sides, so as to avoid by The phenomenon that subsequently call can not be normally carried out caused by IMS signalings in SRVCC handoff procedures are lost.
Optionally, the modular converter 47, if for the telephone state of itself and the telephone state of the user terminal It is inconsistent, then switched telephone state, so that the telephone state of the telephone state of itself and the user terminal is consistent；
Wherein, the user terminal has fed back the first IMS instructions response message extremely after receiving the first IMS instruction messages The network side equipment, and the conversion of corresponding telephone state is carried out, and the network side equipment is not due to receiving described One IMS indicates response message, does not carry out the conversion of corresponding telephone state.
Optionally, the modular converter 47, if for the telephone state of itself and the telephone state of the user terminal It is inconsistent, then switched telephone state or by reissue message corresponding with the first IMS instruction messages to the user end End indicates the user terminal conversion telephone state, so that the telephone state of the telephone state of itself and the user terminal is protected It holds consistent；
Wherein, the user terminal is due to being not received by the first IMS instruction messages without carrying out corresponding electricity The conversion of speech phase, the network side equipment carry out the conversion of telephone state after the first IMS instruction messages are sent.
Optionally, the telephone state includes phone hold mode, phone activation state and phone ringing state.
The embodiment of the present invention also provides a kind of network side equipment, and the network side equipment includes list described in any one of the above embodiments The realization device of radio frequency continuous voice call SRVCC.
One of ordinary skill in the art will appreciate that realizing all or part of flow in above-described embodiment method, being can be with Relevant hardware is instructed to complete by computer program, the program can be stored in a computer read/write memory medium In, the program is when being executed, it may include such as the flow of the embodiment of above-mentioned each method.Wherein, the storage medium can be magnetic Dish, CD, read-only memory (Read-Only Memory, ROM) or random access memory (Random Access Memory, RAM) etc..
The above description is merely a specific embodiment, but protection scope of the present invention is not limited thereto, any Those familiar with the art in the technical scope disclosed by the present invention, all should by the change or replacement that can be readily occurred in It is included within the scope of the present invention.Therefore, protection scope of the present invention should be subject to the protection scope in claims.

Claims (9)

  1. A kind of 1. implementation method of injection frequency continuous voice call SRVCC, applied to network side equipment, which is characterized in that packet It includes：
    The first IMS instruction messages for being used to indicate recipient's switched telephone state are sent to user terminal, to indicate the user Terminal is according to the first IMS instruction message switched telephone states；
    SRVCC switch indicating informations are sent to the user terminal；
    Receive the SRVCC handoff completion messages that the user terminal is sent；
    It sends to obtain the STATUS ENQUIRY message of recipient's telephone state to the user terminal；
    Receive the status inquiry response message for carrying telephone state that the user terminal is sent；
    The telephone state of the user terminal is obtained according to the status inquiry response message；
    If the telephone state of the telephone state of itself and the user terminal is inconsistent, corresponding telephone state conversion is carried out Operation.
  2. 2. if according to the method described in claim 1, it is characterized in that, the telephone state of itself and the user terminal Telephone state it is inconsistent, then carry out corresponding telephone state conversion operation, including：
    If the telephone state of the telephone state of itself and the user terminal is inconsistent, switched telephone state, so as to derive from The telephone state of body and the telephone state of the user terminal are consistent；
    Wherein, the user terminal, which receives, has fed back the first IMS after the first IMS instruction messages and indicates response message to described Network side equipment, and the conversion of corresponding telephone state is carried out, and the network side equipment is not due to receiving the first IMS It indicates response message, does not carry out the conversion of corresponding telephone state.
  3. 3. if according to the method described in claim 1, it is characterized in that, the telephone state of itself and the user terminal Telephone state it is inconsistent, then carry out corresponding telephone state conversion operation, including：
    If the telephone state of the telephone state of itself and the user terminal is inconsistent, switched telephone state or pass through benefit Hair message corresponding with the first IMS instruction messages to the user terminal indicates the user terminal conversion telephone state, So that the telephone state of the telephone state of itself and the user terminal is consistent；
    Wherein, the user terminal is due to being not received by the first IMS instruction messages without carrying out corresponding phone shape The conversion of state, the network side equipment carry out the conversion of telephone state after the first IMS instruction messages are sent.
  4. 4. according to the method described in claim 1, it is characterized in that, the telephone state includes phone hold mode, phone swashs State and phone ringing state living.
  5. 5. a kind of realization device of injection frequency continuous voice call SRVCC, positioned at network side equipment, which is characterized in that including：
    First sending module, it is whole to user for sending the first IMS instruction messages for being used to indicate recipient's switched telephone state End, to indicate the user terminal according to the first IMS instruction message switched telephone states；
    Second sending module, for sending SRVCC switch indicating informations to the user terminal；
    First receiving module, for receiving the SRVCC handoff completion messages that the user terminal is sent；
    Third sending module, for sending to obtain the STATUS ENQUIRY message of recipient's telephone state to the user terminal；
    Second receiving module, for receiving the status inquiry response message for carrying telephone state that the user terminal is sent；
    Acquisition module, for obtaining the telephone state of the user terminal according to the status inquiry response message；
    Modular converter if the telephone state for the telephone state of itself and the user terminal is inconsistent, carries out corresponding Telephone state conversion operation.
  6. 6. device according to claim 5, which is characterized in that the modular converter, if the telephone state for itself It is inconsistent with the telephone state of the user terminal, then switched telephone state, so that the telephone state of itself and the user The telephone state of terminal is consistent；
    Wherein, the user terminal, which receives, has fed back the first IMS after the first IMS instruction messages and indicates response message to described Network side equipment, and the conversion of corresponding telephone state is carried out, and the network side equipment is not due to receiving the first IMS It indicates response message, does not carry out the conversion of corresponding telephone state.
  7. 7. device according to claim 5, which is characterized in that the modular converter, if the telephone state for itself It is inconsistent with the telephone state of the user terminal, then switched telephone state or by reissue with the first IMS instruction disappear Cease corresponding message to the user terminal and indicate the user terminal conversion telephone state so that the telephone state of itself with The telephone state of the user terminal is consistent；
    Wherein, the user terminal is due to being not received by the first IMS instruction messages without carrying out corresponding phone shape The conversion of state, the network side equipment carry out the conversion of telephone state after the first IMS instruction messages are sent.
  8. 8. device according to claim 5, which is characterized in that the telephone state includes phone hold mode, phone swashs State and phone ringing state living.
  9. 9. a kind of network side equipment, which is characterized in that the network side equipment is included described in any one of claim 5 to 8 The realization device of injection frequency continuous voice call SRVCC.
CN201611178708.1A 2016-12-19 2016-12-19 Implementation method, device and the network side equipment of injection frequency continuous voice call SRVCC Pending CN108207015A (en)

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Application Number Priority Date Filing Date Title
CN201611178708.1A CN108207015A (en) 2016-12-19 2016-12-19 Implementation method, device and the network side equipment of injection frequency continuous voice call SRVCC

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US20130143565A1 (en) * 2010-05-07 2013-06-06 Samsung Electronics Co. Ltd. Handover
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