CN101141741A - Network switch method and system of dual-mode terminal - Google Patents
Network switch method and system of dual-mode terminal Download PDFInfo
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- CN101141741A CN101141741A CNA2007101638734A CN200710163873A CN101141741A CN 101141741 A CN101141741 A CN 101141741A CN A2007101638734 A CNA2007101638734 A CN A2007101638734A CN 200710163873 A CN200710163873 A CN 200710163873A CN 101141741 A CN101141741 A CN 101141741A
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Abstract
The present invention provides a network switching method of a dual-mode terminal. The method comprises the following steps that step one, when the dual-mode terminal calls in a first network and accesses the fringe region of the first network, the wireless network controller in the first network determines that no first network is overlaid around and a small interval switching threshold is met, and the wireless network controller in the first network determines whether the dual-mode terminal has the two-way calling ability that the dual-mode terminal accesses a second network based on keeping calling in the first network; step two, when the dual-mode terminal has the two-way calling ability, the wireless network controller in the first network requests the core network of the first network, takes a preset number as a calling number, and originates calling to a second binding number; step three, after the dual-mode terminal receives the calling from the preset number, the dual-mode terminal automatically answers to the calling, the first network calling is simultaneously hung up, and the switching from the first network to the second network is realized.
Description
Technical field
The present invention relates to wireless communication field, more specifically, relate to a kind of method for switching network and system of dual-mode terminal.
Background technology
As the 3G network of Chinese independent research, TD-SCDMA (hereinafter to be referred as TD) network is had in the face of the comprehensive inadequately problem of the network coverage at first stage of construction.If can not resolve this realistic problem, will greatly influence the TD network user's development, and then have influence on of the development of TD network in the China and even the world.
And address this problem, best solution is to mend net by other network for the TD network at present, in the environment that has the TD network, the user can use the superior function of 3G network, under the situation that does not have the TD network, also can use the service guarantees user's of other network normal communication, Cheng Shu GSM network just in time satisfies above condition already.If adopt the TD/GSM terminal equipment, the large tracts of land complete with the GSM network is covered as the basis, adopts the mode of network switching, just can satisfy the demand of user's uninterrupted communication under situation of movement.
Summary of the invention
In order to solve the problems of the prior art, the present invention proposes a kind of method for switching network of dual-mode terminal, wherein, dual-mode terminal comprises first network control module and second network control module, and first network control module and second network control module have the first binding number and the second binding number respectively, this method may further comprise the steps: step 1, when dual-mode terminal just when user of first network neutralization converses and enters into the fringe region of first network, the radio network controller of first network does not cover first network around judging first network, and satisfy the minizone handoff threshold, then the radio network controller of first network judges whether dual-mode terminal has the two-way delivery value that inserts second network on the basis that keeps first Internet phone-calling; Step 2, when dual-mode terminal has the two-way delivery value, as calling number, the second server net that will be switched to by dual-mode terminal makes a call to the second binding number then by the radio network controller request first server net of first network, and with predetermined number; And step 3, after dual-mode terminal was received calling from predetermined number, the dual-mode terminal auto-pickup was hung up the conversation of first network simultaneously, and discharged the calling of dual-mode terminal in first network, finished the switching from first network to second network.
Step 3 also comprises: behind the dual-mode terminal call establishment, microphone is switched to second network control module from first network control module of dual-mode terminal.
Wherein, dual-mode terminal has two idle functions of first network and second network simultaneously.Preset number is by the dual-mode terminal configuration, and preset number is identical with the default calling number of first server net configuration.
Wherein, the radio network controller of first network carries the switch reasons value in the network handoff request message that the first server net is initiated, and the switch reasons value is used to identify the switching from first network to second network.And the wireless controller of first network is the entry whether unit storage sub-district supports the switching of switch reasons value sign with the sub-district, and the thresholding that is used to switch.
The method according to this invention, first network are the TD-SCDMA networks, and second network is the GSM network.First network control module is the TD-SCDMA module, and second network control module is a gsm module.
The invention allows for a kind of network switched system of dual-mode terminal, wherein, dual-mode terminal comprises first network control module and second network control module, and first network control module and second network control module have the first binding number and the second binding number respectively, this system comprises: judgment means, be positioned at network side, be used for when dual-mode terminal just when user of first network neutralization converses and enters into the fringe region of first network, whether judgment means does not cover first network around detecting first network, and satisfy switching condition, judge then whether dual-mode terminal has the two-way delivery value that inserts second network on the basis that keeps first Internet phone-calling; Calling device, be positioned at network side, judge under the situation that dual-mode terminal has the two-way delivery value in judgment means, be used for the radio network controller request first server net by first network, and with predetermined number as calling number, the second server net that will be switched to by dual-mode terminal makes a call to the second binding number of dual-mode terminal; And switching device shifter, be positioned at dual-mode terminal, be used for after dual-mode terminal is received the calling of being initiated by calling device, and under the situation of dual-mode terminal auto-pickup, hang up the conversation of first network, and discharge the calling of dual-mode terminal in first network, finish switching from first network to second network.
Wherein, switching device shifter is used for after dual-mode terminal is connected the calling of preset number, and microphone is switched to second network control module from first network control module of dual-mode terminal.
According to system of the present invention, dual-mode terminal has two idle functions of first network and second network simultaneously.And preset number is by the dual-mode terminal configuration, and preset number is identical with the default calling number of first server net configuration.
The radio network controller of first network carries the switch reasons value in the network handoff request message that the first server net is initiated, the switch reasons value is used to identify the switching from first network to second network.The wireless controller of first network is the entry whether unit storage sub-district supports the switching of switch reasons value sign with the sub-district, and the thresholding that is used to switch.
According to system of the present invention, first network is the TD-SCDMA network, and second network is the GSM network.First network control module is the TD-SCDMA module, and second network control module is a gsm module.
Adopt method and system of the present invention to make the user,, when being moved out to the GSM network, can keep ongoing conversation uninterrupted if from the TD network edge using TD/GSM double-mode double-standby mobile terminal (hereinafter to be referred as the TD/GSM terminal) when conversing.
Other features and advantages of the present invention will be set forth in the following description, and, partly from specification, become apparent, perhaps understand by implementing the present invention.Purpose of the present invention and other advantages can realize and obtain by specifically noted structure in the specification of being write, claims and accompanying drawing.
Description of drawings
Accompanying drawing is used to provide further understanding of the present invention, and constitutes the part of specification, is used from explanation the present invention with embodiments of the invention one, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the flow chart according to the method for switching network of dual-mode terminal of the present invention;
Fig. 2 is the running environment figure according to first network of the inventive method embodiment and the self-defined network switching of second network;
Fig. 3 is according to first network formats of the inventive method embodiment and the hardware structure diagram of the second network formats double-mode double-standby mobile terminal;
Fig. 4 A is the schematic diagram when being in first network edge according to first network formats of the inventive method embodiment and the second network formats terminal;
Fig. 4 B keeps the schematic diagram of two-way conversation simultaneously according to first network formats of the inventive method embodiment and the second network formats terminal;
Fig. 4 C is the schematic diagram that switches to second network according to first network formats of the inventive method embodiment and the second network formats terminal;
Fig. 5 is the system construction drawing according to first network of the inventive method embodiment and the self-defined network switching of second network;
Fig. 6 is the flow chart according to first embodiment of the inventive method;
Fig. 7 is according to the network of second embodiment of the inventive method and the flow chart of terminal; And
Fig. 8 is the block diagram according to the network switched system of dual-mode terminal of the present invention.
Embodiment
Below in conjunction with accompanying drawing the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein only is used for description and interpretation the present invention, and be not used in qualification the present invention.
Fig. 1 is the flow chart according to the method for switching network of dual-mode terminal of the present invention.
As shown in Figure 1, this method may further comprise the steps:
S102, when dual-mode terminal just when user of first network neutralization converses and enters into the fringe region of first network, around judging, the radio network controller of first network do not cover first network, and when satisfying the minizone handoff threshold, the first network wireless network controller judges whether dual-mode terminal has the two-way delivery value that inserts second network on the basis that keeps first Internet phone-calling;
S104, when dual-mode terminal has the two-way delivery value, as calling number, the second server net that will be switched to by dual-mode terminal makes a call to the second binding number then by the radio network controller request first server net of first network, and with predetermined number; And
S106, after dual-mode terminal was received calling from predetermined number, the dual-mode terminal auto-pickup was hung up the conversation of first network simultaneously, and discharged the calling of dual-mode terminal in first network, finished the switching from first network to second network.
S106 also comprises: behind the dual-mode terminal call establishment, microphone is switched to second network control module from first network control module of dual-mode terminal.
Wherein, dual-mode terminal has two idle functions of first network and second network simultaneously.Preset number is by the dual-mode terminal configuration, and preset number is identical with the default calling number of first server net configuration.
In addition, the radio network controller of first network carries the switch reasons value in the network handoff request message that the first server net is initiated, and the switch reasons value is used to identify the switching from first network to second network.And the wireless controller of first network is the entry whether unit storage sub-district supports the switching of switch reasons value sign with the sub-district, and the thresholding that is used to switch.
In the method for the present invention, first network for example can be the TD-SCDMA network, and second network for example can be the GSM network.First network control module for example can be the TD-SCDMA module, and second network control module for example can be a gsm module.Obviously, first network and second network are not limited to above-mentioned network formats among the present invention.
Fig. 2 is the running environment figure according to the self-defined network switching of first network of the inventive method embodiment and second network.
Next, in conjunction with a specific embodiment, as first network, be example as second network with the GSM network with the TD network, method of the present invention is described in detail.
As shown in Figure 2, zone 2 is only at the service area of the GSM network coverage, zone 1 is only at the service area of the TD network coverage, the present invention is chiefly directed to zone 1 to zone 3 situations about moving, suppose that promptly portable terminal leaves the TD network coverage, under the situation that the GSM network's coverage area moves, the conversation that maintenance has been connected is continuous.
As Fig. 3 is according to first network formats of the inventive method embodiment and the hardware structure diagram of the second network formats double-mode double-standby mobile terminal.
Mode mobile terminal as shown in Figure 3 is made up of GSM and two control modules of TD, and gsm module is as system master system device, is responsible for the management of common apparatus such as GUI, audio frequency apparatus, FLASH, motor, and the management of SIM card, GSM radio-frequency module; The TD module is system's assistant controller, is responsible for the management of usim card, TD radio frequency.MIC and receiver can be given control gsm module or TD module respectively as requested then by a switch control when calling out.
Fig. 4 A is the schematic diagram when being in first network edge according to first network formats of the inventive method embodiment and the second network formats terminal.
Shown in Fig. 4 A, the TD/GSM terminal that is in talking state is when mobile, and RNC monitors the edge that current terminal is in the TD network, does not have suitable TD sub-district to cover on every side.RNC judges whether to carry out self-defining network and switches, and RNC checks whether the TD/GSM terminal supports self-defined network switching capability, if support, transmit a request to TD-MSC simultaneously, switches thereby initiate network.
Fig. 4 B keeps the schematic diagram of two-way conversation simultaneously according to first network formats of the inventive method embodiment and the second network formats terminal.
Shown in Fig. 4 B, TD-MSC obtains the GSM binding number of TD number, carries pre-configured special number as calling number, be initiated to of the calling of this machine at G net GSM binding number, after calling out arrival G net, G net MSC proceeds to the called flow of mobile phone, sets up channel.
When the TD/GSM terminal receives this calling, when judging calling number and being the special number of configured in advance, directly connect, send indication to user interface simultaneously.This moment, the TD/GSM terminal was kept 2 tunnel callings simultaneously.
Fig. 4 C is the schematic diagram that switches to second network according to first network formats of the inventive method embodiment and the second network formats terminal.
Shown in Fig. 4 C, after TD-MSC receives the response message that terminal returns, the G net is called out part and original opposite end of calling out couples together, and use to call out and discharge flow process and discharge original calling and Iu mouth on the terminal.
After terminal is connected the calling of special calling number, disconnect the original TD path of connecting, and MIC is switched on the GSM path, finish self-defined network and switch.
With Fig. 4 A, 4B and 4C are summarised as:
Dual-mode terminal enters TD network edge zone when carrying out the TD Internet phone-calling, CN makes a call to the gsm module of dual-mode terminal; And
Terminal is received the calling of GSM network special number, and auto-pickup is hung up the TD conversation simultaneously.
In order to realize above-mentioned Fig. 4 A, there is following requirement in the handoff procedure shown in 4B and the 4C to terminal and network side:
Demand for the user:
Fig. 5 is the system construction drawing according to first network of the inventive method embodiment and the self-defined network switching of second network.
As shown in Figure 5, the user uses two different Subscriber Numbers, has two IMSI, and wherein TD number and corresponding IMSI are stored among the TD HLR, and GSM number and corresponding IMSI are stored among the GSM HLR.
Demand to the TD/GSM terminal:
Demanding terminal is supported TD, GSM double-module double-standby.If the TD/GSM terminal is adopting a kind of network technology conversation, this moment, another technical network speech channel inserted, and the TD/GSM terminal should be able to keep on the current talking basis, can insert another road conversation simultaneously.
When the user is carrying out the conversation of TD network, the calling of receiving the GSM network, if when new calling number of calling out is special number, the TD/GSM terminal is newly called out auto-pickup, and MIC and receiver are switched on the GSM path, allows the user think to continue conversation.
This special calling number can dispose on the TD/GSM terminal, and the special calling number of configuration should be consistent with the special calling number of TD MSC configuration.
The IMSI of TD/GSM terminal support binding GSM network, when bundling successfully, the TD/GSM terminal need report supports self-defined network switching capability.
Demand to RNC:
When speech path network is the TD network, switch between the special system of RNC judgement initiation at the TD/GSM terminal, initiate network handoff request message to TD MSC, carry special cause value in the message, be used to identify the inner switching of TD.RNC will preserve the information that the TD/GSM terminal supports that this network switches.
Needing to add corresponding entry in the RNC database, is that unit shows whether this sub-district supports this switching with the sub-district, and this parameters such as thresholding of switching special use.
Fig. 6 is the flow chart according to first embodiment of the inventive method.
As shown in Figure 6, may further comprise the steps:
S602, TD/GSM terminal as shown in Figure 1 environment uses down the TD network to converse;
S604, RNC judge and request TD-MSC initiates the G net calling of special number;
S606 when the TD/GSM terminal is received the calling of special number, directly connects;
S608 after the calling of TD/GSM terminal connection special number, need switch to gsm module with MIC, finishes switching; And
S610, receive the connection signal of TD/GSM terminal as TD-MSC after, G net is called out part and original opposite end of calling out couples together.
After the G net that TD-MSC initiates special number is called out, in a period of time, wait response less than the other side, then think the failure of network switching overtime.
When the TD/GSM terminal during TD conversation, when receiving the calling of other non-special numbers, then according to the flow process prompting user of normal double-mode and double-standby terminal.
Fig. 7 is according to the network of second embodiment of the inventive method and the flow chart of terminal.
As shown in Figure 7, the network side flow process may further comprise the steps:
S702 is using the TD Internet phone-calling;
S704, RNC need to judge whether network to switch, if need go to S706, otherwise, go to S702;
S706 judges terminal whether switch by network enabled, if support, goes to S708, otherwise, go to S702;
S708, TD-MSC use special number to initiate the G net and call out;
S710 judges whether to connect, if connect, goes to S712, otherwise, go to S702;
S712, TD-MSC arrives the GSM path with talking connection; And
S714 discharges the TD call resources.
TD/GSM end side flow process may further comprise the steps:
S716 uses in the TD Internet phone-calling;
S718 receives that GSM calls out;
S720 judges whether it is that special master calls out the numbers, if special master calls out the numbers, goes to S724, otherwise, go to S722;
S722, normal bimodulus is handled;
S724 connects automatically;
S726 switches MIC to the GSM path;
S728 discharges the TD call resources; And
S730 is hung up original T D and is called out.
Fig. 8 is the block diagram according to the network switched system 800 of dual-mode terminal of the present invention.
As shown in Figure 8, this system comprises: judgment means 802, be positioned at network side, be used for when dual-mode terminal just when user of first network neutralization converses and enters into the fringe region of first network, around detecting, the first network wireless controller whether do not cover first network, and satisfy switching condition, judge then whether dual-mode terminal has the two-way delivery value that inserts second network on the basis that keeps first Internet phone-calling; Calling device 804, be positioned at network side, judge under the situation that dual-mode terminal has the two-way delivery value in judgment means, be used for the radio network controller request first server net by first network, and with predetermined number as calling number, the second server net that will be switched to by dual-mode terminal makes a call to the second binding number of dual-mode terminal; And switching device shifter 806, be positioned at dual-mode terminal, be used for after dual-mode terminal is received the calling of being initiated by calling device, and under the situation of dual-mode terminal auto-pickup, hang up the conversation of first network, and discharge the calling of dual-mode terminal in first network, finish switching from first network to second network.
Wherein, switching device shifter 806 is used for after dual-mode terminal is connected the calling of preset number, and microphone is switched to second network control module from first network control module of dual-mode terminal.
According to system of the present invention, dual-mode terminal has two idle functions of first network and second network simultaneously.And preset number is by the dual-mode terminal configuration, and preset number is identical with the default calling number of first server net configuration.
The radio network controller of first network carries the switch reasons value in the network handoff request message that the first server net is initiated, the switch reasons value is used to identify the switching from first network to second network.The wireless controller of first network is the entry whether unit storage sub-district supports the switching of switch reasons value sign with the sub-district, and the thresholding that is used to switch.
According to system of the present invention, first network is the TD-SCDMA network, and second network is the GSM network.First network control module is the TD-SCDMA module, and second network control module is a gsm module.
In sum, use method and system of the present invention, because behind the TD/GSM terminal normal boot-strap, when the two standby of GSM and TD network,, can make the TD/GSM terminal by cooperatively interacting with network because both radio frequencies can not take place that signal disturbs or influence is very little, when the user leaves the TD network and enters the GSM network, to carry out the TD conversation, switch on the GSM, guarantee that conversation is uninterrupted.
Be the preferred embodiments of the present invention only below, be not limited to the present invention, for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (12)
1. the method for switching network of a dual-mode terminal, described dual-mode terminal comprises first network control module and second network control module, and described first network control module and described second network control module have the first binding number and the second binding number respectively, it is characterized in that, said method comprising the steps of:
Step 1, when described dual-mode terminal just when user of first network neutralization converses and enters into the fringe region of described first network, around judging, the described first network wireless network controller do not cover described first network, and when satisfying the minizone handoff threshold, the described radio network controller of described first network judges whether described dual-mode terminal has the two-way delivery value that inserts described second network on the basis that keeps described first Internet phone-calling;
Step 2, when described dual-mode terminal has described two-way delivery value, then by the described first server net of the described radio network controller request of described first network, and with predetermined number as calling number, the described second server net that will be switched to by described dual-mode terminal makes a call to the described second binding number; And
Step 3, after described dual-mode terminal is received calling from described predetermined number, described dual-mode terminal auto-pickup, hang up the conversation of described first network simultaneously, and discharge the calling of described dual-mode terminal in described first network, finish switching from described first network to described second network.
2. method according to claim 1, wherein, described step 3 also comprises:
After described dual-mode terminal is connected described calling, microphone is switched to described second network control module from described first network control module of described dual-mode terminal.
3. method according to claim 1 and 2, wherein, described dual-mode terminal has two idle functions of described first network and described second network simultaneously.
4. method according to claim 3, wherein, described preset number disposes by described dual-mode terminal, and described preset number is identical with the default calling number of the described core net configuration of described first network.
5. method according to claim 4, wherein, the described radio network controller of described first network carries the switch reasons value in the network handoff request message that the described core net of described first network is initiated, described switch reasons value is used to identify the switching from described first network to described second network.
6. method according to claim 5, wherein, the described wireless controller of described first network is that unit stores the entry whether described sub-district supports the described switching of described switch reasons value sign with the sub-district, and the thresholding that is used for described switching.
7. the network switched system of a dual-mode terminal, wherein, described dual-mode terminal comprises first network control module and second network control module, and described first network control module and described second network control module have the first binding number and the second binding number respectively, it is characterized in that described system comprises:
Judgment means, be positioned at network side, be used for when described dual-mode terminal just when user of first network neutralization converses and enters into the fringe region of described first network, whether do not cover described first network around detecting described first network, and satisfy switching condition, judge then whether described dual-mode terminal has the two-way delivery value that inserts described second network on the basis that keeps described first Internet phone-calling;
Calling device, be positioned at described network side, judge under the situation that described dual-mode terminal has described two-way delivery value in described judgment means, be used for by the described first server net of the described radio network controller request of described first network, and with predetermined number as calling number, the described second server net that will be switched to by described dual-mode terminal makes a call to the described second binding number of described dual-mode terminal; And
Switching device shifter, be positioned at described dual-mode terminal, be used for after described dual-mode terminal is received the calling of being initiated by described calling device, and under the situation of described dual-mode terminal auto-pickup, hang up the conversation of described first network, and discharge the calling of described dual-mode terminal in described first network, finish switching from described first network to described second network.
8. system according to claim 7, wherein, described switching device shifter is used for after described dual-mode terminal is connected the calling of described preset number, and microphone is switched to described second network control module from described first network control module of described dual-mode terminal.
9. according to claim 7 or 8 described systems, wherein, described dual-mode terminal has two idle functions of described first network and described second network simultaneously.
10. system according to claim 9, wherein, described preset number disposes by described dual-mode terminal, and described preset number is identical with the default calling number of the described core net configuration of described first network.
11. system according to claim 10, wherein, the described radio network controller of described first network carries the switch reasons value in the network handoff request message that the described core net of described first network is initiated, described switch reasons value is used to identify the switching from described first network to described second network.
12. system according to claim 11, wherein, the described wireless controller of described first network is that unit stores the entry whether described sub-district supports the described switching of described switch reasons value sign with the sub-district, and the thresholding that is used for described switching.
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| CN2007101638734A CN101141741B (en) | 2007-10-09 | 2007-10-09 | Network switch method and system of dual-mode terminal |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010108367A1 (en) * | 2009-03-24 | 2010-09-30 | 华为技术有限公司 | Traffic switch method, traffic information control method, corresponding equipment and system |
| WO2010127585A1 (en) * | 2009-05-04 | 2010-11-11 | 中兴通讯股份有限公司 | Multi-mode terminal and method for implementing call hold automatically thereof |
| CN102769881A (en) * | 2011-05-06 | 2012-11-07 | 华为终端有限公司 | Mobile terminal, network switching method of mobile terminal and network server |
| WO2013091363A1 (en) * | 2011-12-23 | 2013-06-27 | 中兴通讯股份有限公司 | Single-card double-mode double-standby mobile terminal and service performing method thereof |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100605937B1 (en) * | 2004-01-14 | 2006-08-01 | 삼성전자주식회사 | Method for processing call in dual mode mobile communication terminal and the terminal |
| KR100606103B1 (en) * | 2005-07-15 | 2006-07-31 | 삼성전자주식회사 | Methodd for performing handover between different mobile communication networks and the dual mode terminal therefor |
| CN100459812C (en) * | 2006-04-07 | 2009-02-04 | 华为技术有限公司 | Wireless network system, its switching method and mobile station-transferring equipment |
| CN100531443C (en) * | 2007-03-02 | 2009-08-19 | 中兴通讯股份有限公司 | Method for canceling basic switch from TDCDMA to GSM of terminal |
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2007
- 2007-10-09 CN CN2007101638734A patent/CN101141741B/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010108367A1 (en) * | 2009-03-24 | 2010-09-30 | 华为技术有限公司 | Traffic switch method, traffic information control method, corresponding equipment and system |
| WO2010127585A1 (en) * | 2009-05-04 | 2010-11-11 | 中兴通讯股份有限公司 | Multi-mode terminal and method for implementing call hold automatically thereof |
| CN102769881A (en) * | 2011-05-06 | 2012-11-07 | 华为终端有限公司 | Mobile terminal, network switching method of mobile terminal and network server |
| WO2013091363A1 (en) * | 2011-12-23 | 2013-06-27 | 中兴通讯股份有限公司 | Single-card double-mode double-standby mobile terminal and service performing method thereof |
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| Publication number | Publication date |
|---|---|
| CN101141741B (en) | 2010-12-08 |
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