CN102647772B - Method and equipment for call - Google Patents

Method and equipment for call Download PDF

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Publication number
CN102647772B
CN102647772B CN201210111334.7A CN201210111334A CN102647772B CN 102647772 B CN102647772 B CN 102647772B CN 201210111334 A CN201210111334 A CN 201210111334A CN 102647772 B CN102647772 B CN 102647772B
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Prior art keywords
calling
subscriber equipment
territory
initiate
imsi attachment
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CN201210111334.7A
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CN102647772A (en
Inventor
王胡成
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China Academy of Telecommunications Technology CATT
Datang Mobile Communications Equipment Co Ltd
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China Academy of Telecommunications Technology CATT
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Abstract

The embodiment of the invention relates to the field of wireless communication, particularly relates to a method and equipment for a call, and solves the problems that user equipment can not initiate a voice call in the running period of a session management backoff timer when an IMS (IP Multimedia System) call is blocked in the prior art. The method provided by the embodiment of the invention comprises the following steps that: the user equipment determines that the initiated IMS call is blocked; and the user equipment initiates a CS (Circuit Switched) call or initiates a call of non-3GPP (3rd Generation Partnership Project) access technology via a CS domain. Through the method provided by the embodiment of the invention, after the IMS call is blocked, the CS call or the call of non-3GPP (3rd Generation Partnership Project) access technology can be initiated via the CS domain, so that the problem that the user equipment can not initiate the voice call in the running period of the session management backoff timer when the IMS call is blocked can be solved.

Description

A kind of method and apparatus carrying out calling out
Technical field
The present invention relates to wireless communication technology field, particularly a kind of method and apparatus carrying out calling out.
Background technology
3GPP (3rd Generation Partnership Project, third generation partner program) in agreement, when network judges APN (Access Point Name, Access Point Name) be in congestion state, PDN Connectivity Request (the PDN connection request of UE (subscriber equipment) for this APN can be refused; PDN, Packet Data Network, Packet Data Network) or initiate to have set up and therewith the PDN that is associated of APN connect, and ask at refusal or go in connection message, to carry Session Management back-offtimer (session management back off timer), subscriber equipment is after receiving this session management back-offtimer, start the Session Management back-off timer associated with this APN, at this timer run duration, no longer initiate any Session management process for this APN.
At present, IMS (the IP Multimedia System of special APN will be used, IP Multimedia System) business is called IMS APN, the PDN set up for this kind of APN connects, Bearer (carrying) during this PDN connects has special QCI (QoS class Identifier, QoS class letter; QoS, Qualityof Service, quality of service).
In prior art, if network side carries out congestion control (congestion control) to APN, after so subscriber equipment receives the Session Management back-off timer of management APN, at this timer run duration, no longer initiate any Session Management process for this APN.
If this APN is IMS APN, so at Session Management back-off timer run duration, subscriber equipment can not initiate audio call, and the maximum of the span of session management back-off timer can reach 72 hours, therefore, subscriber equipment probably cannot initiate audio call in for a long time.
Summary of the invention
A kind of method and apparatus carrying out calling out that the embodiment of the present invention provides, in order to solve exist in prior art for IMS call blocking time, subscriber equipment cannot initiate the problem of audio call at session management back off timer run duration.
A kind of method of carrying out calling out that the embodiment of the present invention provides, comprising:
The IP Multimedia System IMS call blocking of initiating determined by subscriber equipment;
Described subscriber equipment is initiated CS calling by circuit commutative field CS territory or is initiated the calling of non-third generation partner program 3GPP access technology.
A kind of subscriber equipment carrying out calling out that inventive embodiments provides, comprising:
Determination module, for determining the IP Multimedia System IMS call blocking of initiating;
Calling module, for initiating the calling that CS calls out or initiates non-third generation partner program 3GPP access technology by circuit commutative field CS territory.
Because the embodiment of the present invention is after IMS call blocking, CS (Circuit SwitchedDomain can be passed through, circuit commutative field) territory initiates CS calling or initiates the calling of non-3 GPP access technology, thus when solving for IMS call blocking, subscriber equipment cannot initiate the problem of audio call at session management back off timer run duration;
Further increase Consumer's Experience.
Accompanying drawing explanation
Fig. 1 is the method flow schematic diagram that the embodiment of the present invention carries out calling out;
Fig. 2 A be the embodiment of the present invention the first carry out the method flow schematic diagram of IMSI attachment;
Fig. 2 B is the method flow schematic diagram that embodiment of the present invention the second carries out IMSI attachment;
Fig. 3 is the structural representation of embodiment of the present invention subscriber equipment.
Embodiment
Embodiment of the present invention subscriber equipment, after determining the IMS call blocking of initiating, is initiated CS calling by CS territory or initiates the calling of non-3 GPP access technology.Because the embodiment of the present invention is after IMS call blocking, can CS calling be initiated by CS territory or initiate the calling of non-3 GPP access technology, thus when solving for IMS call blocking, subscriber equipment cannot initiate the problem of audio call at session management back off timer run duration.
Below in conjunction with Figure of description, the embodiment of the present invention is described in further detail.
As shown in Figure 1, the method that the embodiment of the present invention carries out calling out comprises the following steps:
The IMS call blocking of initiating determined by step 101, subscriber equipment;
Step 102, subscriber equipment are initiated CS calling by CS territory or are initiated the calling of non-3 GPP access technology.
Wherein, the calling of the non-3 GPP access technology of the embodiment of the present invention includes but are not limited to the one in following technology:
WLAN (Wireless Local Area Network, WLAN (wireless local area network)), WiMAX (WorldwideInteroperability for Microwave Access, micro-wave access global inter communication), CDMA (CodeDivision Multiple Access, code division multiple access) 2000.
If subscriber equipment initiates CS calling by CS territory, preferably, in step 102, subscriber equipment performs associating TAU (Tracking Area Update, tracing section updating) process carries out IMSI attachment, and CS calling is initiated by circuit domain dropping CSFB (circuit switch fallback, circuit domain dropping) after carrying out IMSI attachment; Or
Subscriber equipment gravity treatment is to GERAN (GSM EDGE Radio Access Network; GSM EDGE Radio Access Network; GSM, Global System for Mobile Communications, global system for mobile communications; EDGE, Enhanced Data rates for GSM Evolution, the enhancing data transfer rate of GSM evolution) or UTRAN (UMTS Terrestrial Radio Access Network, UMTS Terrestrial radio access network; UMTS, Universal Mobile Telecommunications System, universal mobile telecommunications system) after carry out IMSI attachment, and initiate CS calling after carrying out IMSI attachment.
In force, if carry out IMSI attachment after subscriber equipment gravity treatment to GERAN or UTRAN, then first subscriber equipment judges whether the mobile management back off timer in CS territory runs, and if so, then refuses the IMS initiated; Otherwise carry out IMSI attachment after gravity treatment to GERAN or UTRAN.
In force, if subscriber equipment performs associating TAU process and carries out IMSI attachment, then first subscriber equipment judges whether self supports CSFB, if support, then performs associating TAU process and carries out IMSI attachment; Otherwise gravity treatment carries out IMSI attachment to GERAN or UTRAN, and initiate CS calling after carrying out IMSI attachment.
Preferably, do not support CSFB at subscriber equipment, and before gravity treatment carries out IMSI attachment to GERAN or UTRAN, subscriber equipment can also judge whether the mobile management back off timer in CS territory runs, and if so, then refuses the IMS initiated; Otherwise carry out IMSI attachment after gravity treatment to GERAN or UTRAN.
Preferably, in step 102, before subscriber equipment is initiated CS calling by CS territory or is initiated the calling of non-3 GPP access technology, first can also judge user preference, if determine, user preference carries out voice service, then initiate CS calling by CS territory or initiate the calling of non-3 GPP access technology, otherwise the IMS that refusal is initiated.
Concrete, subscriber equipment by checking usage setting (use and arrange), if usage setting is voice centric (speech centre), then can determine that user preference carries out voice service.
In force, it is " CS voice only (only having CS voice) " or " CSvoice preferred; IMS PS Voice as secondary (secondly first-selected CS voice are IMS PS (packet switching) Voice) that CS voice capable (having CS speech capability) UE may change its voicedomain preference (preference of speech range).
Preferably, in step 102, before subscriber equipment is initiated CS calling by CS territory or is initiated the calling of non-3 GPP access technology, can also first point out access network to change to user, determine call out by CS territory initiation CS or initiate the calling of non-3 GPP access technology after user agrees to change access network.
Preferably, in step 102, subscriber equipment first can also show CS territory and non-3 GPP access technology to user before initiating CS calling by CS territory or initiating the calling of non-3 GPP access technology, selects to adopt CS territory to initiate CS call out or the calling of initiation non-3 GPP access technology by user.
In force, above-mentioned judgement user preference, point out access network to show CS territory and non-3 GPP access technology three kinds of modes by change with to user to user, can adopt simultaneously, also can adopt part way.When adopting at least two kinds of modes, demand fulfillment all mode just initiates the calling of CS calling or initiation non-3 GPP access technology by CS territory.
Preferably, in step 101, subscriber equipment determines that the situation of the IMS call blocking of initiating has a variety of, enumerates several below.
Wherein, after having a kind of generation below in situation about enumerating, the IMS call blocking of initiating can just be determined:
Needing the PDN set up to connect corresponding APN occurs congested;
The session management back off timer needing the PDN set up to connect corresponding APN runs;
The access network of subscriber equipment changes and network after changing does not support that IMS calls out.
Preferably, if desired the session management back off timer that the PDN set up connects corresponding APN runs, in step 102, before subscriber equipment is initiated CS calling by CS territory or is initiated the calling of non-3 GPP access technology, first can also judge whether the remaining duration of user conversation management back off timer is greater than the threshold value of setting, if so, then initiate CS calling by CS territory or initiate the calling of non-3 GPP access technology; Otherwise after the back off timer of user conversation management by the time time-out, initiate IMS calling.
Wherein, judge that the mode whether user conversation management back off timer remaining duration is greater than the threshold value of setting can use with the part or all of mode in above-mentioned three kinds of modes equally simultaneously.
As shown in Figure 2 A, the first method of carrying out IMSI attachment of the embodiment of the present invention comprises the following steps:
Step 201, subscriber equipment send release EPS bearer context request (DEACTIVATE EPS BEARER CONTEXTREQUEST to MME (Mobility Management Entity, Mobility Management Entity); EPS, Evolved Packet System, evolved packet system), and there is PDN connection refusal (PDN connectivity reject), thus start session management back off timer;
The IMS application (application program) of step 202, subscriber equipment needs to set up PDN and connects, but the APN that SM layer detects (session management layer detection) uses exists the SMback-off timer run;
Step 203, subscriber equipment carry out IMSI attachment after performing associating TAU process or gravity treatment to GERAN or UTRAN;
Step 204, subscriber equipment carry out IMSI attachment.
As shown in Figure 2 B, the method that embodiment of the present invention the second carries out IMSI attachment comprises the following steps:
The IMS application of step 211, subscriber equipment needs to set up PDN and connects;
The PDN of step 212, subscriber equipment connects refusal, thus starts session management back off timer;
Step 213, subscriber equipment carry out IMSI attachment after performing associating TAU process or gravity treatment to GERAN or UTRAN;
Step 214, subscriber equipment carry out IMSI attachment.
Based on same inventive concept, a kind of subscriber equipment is additionally provided in the embodiment of the present invention, the principle of dealing with problems due to this subscriber equipment is similar to the method that the embodiment of the present invention carries out calling out, and therefore the enforcement of this subscriber equipment see the enforcement of method, can repeat part and repeat no more.
As shown in Figure 3, the subscriber equipment of the embodiment of the present invention comprises: determination module 30 and calling module 31.
Determination module 30, for determining the IP Multimedia System IMS call blocking of initiating;
Calling module 31, for initiating the calling of CS calling or initiation non-3 GPP access technology by circuit commutative field CS territory.
Preferably, if initiate CS calling by CS territory, calling module 31 performs associating TAU process and carries out IMSI attachment, and CS calling is initiated by circuit domain dropping CSFB after carrying out IMSI attachment, or carry out IMSI attachment after gravity treatment to GERAN or UTRAN, and initiate CS calling after carrying out IMSI attachment.
Preferably, calling module 31, after determining to support CSFB, performs associating TAU process and carries out IMSI attachment.
Preferably, calling module 31 is after determining not support CSFB, and gravity treatment carries out IMSI attachment to GERAN or UTRAN, and initiates CS calling after carrying out IMSI attachment.
Preferably, calling module 31 is after determining the mobile management back off timer off-duty in CS territory, and gravity treatment is to GERAN or UTRAN.
Preferably, calling module 31, after determining that user preference carries out voice service, is initiated CS calling by CS territory or initiates the calling of non-3 GPP access technology.
Preferably, calling module 31 points out access network to change to user, and after confirming that user agrees to change access network, initiates CS calling or initiate the calling of non-3 GPP access technology by CS territory.
Preferably, determination module 30 determines the IMS call blocking of initiation according to following manner:
Needing the PDN set up to connect corresponding APN occurs congested; Or
The session management back off timer needing the PDN set up to connect corresponding APN runs; Or
The access network of subscriber equipment changes and network after changing does not support that IMS calls out.
Preferably, if session management back off timer runs, calling module 31, after determining that the remaining duration of session management back off timer is greater than the threshold value of setting, is initiated CS calling by CS territory or initiates the calling of non-3 GPP access technology.
Those skilled in the art should understand, embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt the form of complete hardware embodiment, completely software implementation or the embodiment in conjunction with software and hardware aspect.And the present invention can adopt in one or more form wherein including the upper computer program implemented of computer-usable storage medium (including but not limited to magnetic disc store, CD-ROM, optical memory etc.) of computer usable program code.
The present invention describes with reference to according to the flow chart of the method for the embodiment of the present invention, equipment (system) and computer program and/or block diagram.Should understand can by the combination of the flow process in each flow process in computer program instructions realization flow figure and/or block diagram and/or square frame and flow chart and/or block diagram and/or square frame.These computer program instructions can being provided to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, making the instruction performed by the processor of computer or other programmable data processing device produce device for realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
These computer program instructions also can be stored in can in the computer-readable memory that works in a specific way of vectoring computer or other programmable data processing device, the instruction making to be stored in this computer-readable memory produces the manufacture comprising command device, and this command device realizes the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
These computer program instructions also can be loaded in computer or other programmable data processing device, make on computer or other programmable devices, to perform sequence of operations step to produce computer implemented process, thus the instruction performed on computer or other programmable devices is provided for the step realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
Although describe the preferred embodiments of the present invention, those skilled in the art once obtain the basic creative concept of cicada, then can make other change and amendment to these embodiments.So claims are intended to be interpreted as comprising preferred embodiment and falling into all changes and the amendment of the scope of the invention.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.

Claims (16)

1. carry out a method of calling out, it is characterized in that, the method comprises:
The IP Multimedia System IMS call blocking of initiating determined by subscriber equipment, and wherein said IMS call blocking comprises: the PDN that needs are set up connects corresponding APN and occurs congested; Or the session management back off timer needing the PDN set up to connect corresponding APN runs;
Described subscriber equipment is initiated CS calling by circuit commutative field CS territory or is initiated the calling of non-third generation partner program 3GPP access technology.
2. the method for claim 1, is characterized in that, described subscriber equipment initiates CS calling by CS territory, comprising:
Described subscriber equipment performs associating tracing section updating TAU process and carries out IMSI attachment, and initiates CS calling by circuit domain dropping CSFB after carrying out IMSI attachment; Or
Carry out IMSI attachment after described subscriber equipment gravity treatment to the enhancing data transfer rate wireless access network GERAN or universal mobile telecommunications system land radio access web UTRAN of GSM evolution, and initiate CS calling after carrying out IMSI attachment.
3. method as claimed in claim 2, is characterized in that, described subscriber equipment performs associating TAU process and also comprises before carrying out IMSI attachment:
Described subscriber equipment is determined to support CSFB.
4. method as claimed in claim 3, is characterized in that, described subscriber equipment also comprises after determining the IMS call blocking of initiating:
Described subscriber equipment is after determining not support CSFB, and gravity treatment carries out IMSI attachment to GERAN or UTRAN, and initiates CS calling after carrying out IMSI attachment.
5. the method as described in claim 2 or 4, is characterized in that, before described subscriber equipment gravity treatment to GERAN or UTRAN, also comprises:
The mobile management back off timer off-duty in CS territory determined by described subscriber equipment.
6. the method for claim 1, is characterized in that, described subscriber equipment also comprises before initiating CS calling by CS territory or initiating the calling of non-3 GPP access technology:
Described subscriber equipment determination user preference carries out voice service.
7. the method for claim 1, is characterized in that, described subscriber equipment is initiated CS calling by CS territory or initiated the calling of non-3 GPP access technology, also comprises:
Described subscriber equipment points out access network to change to user, and confirms that user agrees to change access network.
8. the method for claim 1, is characterized in that, if session management back off timer runs;
Described subscriber equipment also comprises before initiating CS calling by CS territory or initiating the calling of non-3 GPP access technology:
Described subscriber equipment determines that the remaining duration of described session management back off timer is greater than the threshold value of setting.
9. carry out the subscriber equipment called out, it is characterized in that, this subscriber equipment comprises:
Determination module, for determining the IP Multimedia System IMS call blocking of initiating, wherein said IMS call blocking comprises: the PDN that needs are set up connects corresponding APN and occurs congested; Or the session management back off timer needing the PDN set up to connect corresponding APN runs;
Calling module, for initiating the calling that CS calls out or initiates non-third generation partner program 3GPP access technology by circuit commutative field CS territory.
10. subscriber equipment as claimed in claim 9, is characterized in that, described calling module specifically for:
If initiate CS calling by CS territory, perform associating tracing section updating TAU process and carry out IMSI attachment, and CS calling is initiated by circuit domain dropping CSFB after carrying out IMSI attachment, or carry out IMSI attachment after gravity treatment to the enhancing data transfer rate wireless access network GERAN or universal mobile telecommunications system land radio access web UTRAN of GSM evolution, and initiate CS calling after carrying out IMSI attachment.
11. subscriber equipmenies as claimed in claim 10, is characterized in that, described calling module specifically for:
After determining to support CSFB, perform associating TAU process and carry out IMSI attachment.
12. subscriber equipmenies as claimed in claim 11, is characterized in that, described calling module also for:
After determining not support CSFB, gravity treatment carries out IMSI attachment to GERAN or UTRAN, and initiates CS calling after carrying out IMSI attachment.
13. subscriber equipmenies as described in claim 10 or 12, is characterized in that, described calling module specifically for:
After determining the mobile management back off timer off-duty in CS territory, gravity treatment is to GERAN or UTRAN.
14. subscriber equipmenies as claimed in claim 9, is characterized in that, described calling module specifically for:
After determining that user preference carries out voice service, initiate CS calling by CS territory or initiate the calling of non-3 GPP access technology.
15. subscriber equipmenies as claimed in claim 9, is characterized in that, described calling module specifically for:
Point out access network to change to user, and after confirming that user agrees to change access network, initiate CS calling by CS territory or initiate the calling of non-3 GPP access technology.
16. subscriber equipmenies as claimed in claim 9, is characterized in that, described calling module specifically for:
If session management back off timer runs, after determining that the remaining duration of described session management back off timer is greater than the threshold value of setting, initiate CS calling by CS territory or initiate the calling of non-3 GPP access technology.
CN201210111334.7A 2012-04-16 2012-04-16 Method and equipment for call Active CN102647772B (en)

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Publication number Priority date Publication date Assignee Title
CN102883412B (en) * 2012-09-29 2015-03-04 电信科学技术研究院 Method and user equipment for maintaining PLMN (public land mobile network) information
CN109803347B (en) * 2017-11-17 2020-06-12 维沃移动通信有限公司 Service processing method and mobile communication terminal
US20190394245A1 (en) * 2018-06-25 2019-12-26 Mediatek Singapore Pte. Ltd. Indication Of UE Voice Capabilities Using NAS Signaling In 5G Mobile Communications

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