CN1933623A - Mobile communication device and network selecting method thereof - Google Patents
Mobile communication device and network selecting method thereof Download PDFInfo
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- CN1933623A CN1933623A CNA2005100373718A CN200510037371A CN1933623A CN 1933623 A CN1933623 A CN 1933623A CN A2005100373718 A CNA2005100373718 A CN A2005100373718A CN 200510037371 A CN200510037371 A CN 200510037371A CN 1933623 A CN1933623 A CN 1933623A
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Abstract
A method for selecting network includes providing multiple character string and a network prior setting, receiving telephone number and fetching said network prior setting, confirming a matching state of said telephone number to said multiple character string and receiving a current network state then selecting a network according to said matching state and network prior setting as well as said current network state.
Description
[technical field]
The present invention relates to wireless communication field, relate in particular to a kind of mobile communications device and network selecting method thereof.
[background technology]
Because the surge of cellphone subscriber's quantity has caused the mobile communication network system to be in the overload operation state, and then cause mobile phone when communication, to be easy to for example occur: to go offline, cross-talk, speech quality are bad, be difficult to phenomenon of the failure such as online.In order to solve above-mentioned phenomenon of the failure, existing increasing mobile phone operators and manufacturer come to realise this point, and constantly take measures on customs clearance and further expand the cell phone network system, voice quality when improving mobile communication, so many mobile phone manufacturers are at global system for mobile communications (the Global System for Mobile communication of maturation, GSM) on the network foundation, released the dual-mode handset of supporting GSM network and another kind of network simultaneously again.
So-called " bimodulus " is exactly to be operated under two network schemers, and these two mode of operations can be GSM network and internet voice (Voice over Internet Protocol, VOIP) network." GSM/VOIP dual-mode handset " just is meant the mobile phone that can support GSM and these two network communications technologys of VOIP simultaneously.The user can select network schemer according to the needs of environment or practical operation, and which network technology more can play a role, and just allows mobile phone switch to the work of going down of which kind of pattern.If in one mode, mobile communication is of low quality or other bad communication phenomenon occurs, then can forward on the another one network schemer and work, and in fact it is exactly the voice frequency that has enlarged mobile phone, and improves the stability of communication greatly.
Yet the network schemer of existing dual-mode handset needs the user to set, if network condition changes, the service that is provided as GSM network or VOIP network changes, and dual-mode handset can't automatically switching network, needs the user to set.Therefore, press for a kind of dual-mode handset that can select network according to the network service status automatically is provided.
[summary of the invention]
By Given this, be necessary to provide a kind of mobile communications device, can from different networks, select network to communicate.
Need provide a kind of network selecting method in addition, can from different networks, select network to communicate.
A kind of mobile communications device is used for selecting network to communicate from different networks, and described mobile communications device comprises: a storage module, a transceiver module, a coupling determination module and are selected module.Storage module is used to store a plurality of character strings and a network settings.Transceiver module is used to receive a telephone number and a current network conditions.The coupling determination module is used for determining the matching state of described telephone number and described a plurality of character strings.Select module to be used for selecting a network according to described network settings, described matching state and described current network conditions.
A kind of network selecting method is used for selecting network to communicate from different networks, and described network selecting method may further comprise the steps: provide a plurality of character strings and the predefined network of a user preferentially to set; Receive a telephone number, be used for communicating to select network with described a plurality of character string comparisons; Reading described network preferentially sets; Determine the matching state of described telephone number and described a plurality of character strings; Receive a current network conditions; And according to described network preferentially set, described matching state and described current network conditions, select a network.
Compared to prior art, described mobile communications device can be selected network automatically according to network condition, thereby guarantees communication quality.
[description of drawings]
Fig. 1 is the Organization Chart of the wireless communication system of one embodiment of the present invention.
Fig. 2 is the module map of network selection module execution mode of the mobile communications device of one embodiment of the present invention.
Fig. 3 is the Organization Chart of the wireless communication system of another embodiment of the present invention.
Fig. 4 is a network selecting status list in the embodiment of the present invention.
Fig. 5 is the flow chart of network selecting method execution mode of the present invention.
Fig. 6 is the flow chart of coupling decision method in the embodiment of the present invention.
[embodiment]
Fig. 1 is the Organization Chart of the wireless communication system of one embodiment of the present invention.In the present embodiment, wireless communication system comprises a mobile communications device 1, one first network 2 and one second network 3.Mobile communications device 1 can communicate by first network 2 or second network 3.In the present embodiment, first network 2 can be global system for mobile communications (Global System for Mobilecommunication, GSM) network is designated hereinafter simply as GSM network 2; Second network 3 can be internet voice, and (Voice over Internet Protocol, VOIP) network is designated hereinafter simply as VOIP network 3.Mobile communications device 1 comprises: a dial module (Dialer module) 100, one network selection module (Call Routing module) 200,1 first processing module 300, one second processing module 400 and a driver module (Driver module) 500.Dial module 100 is used to dial the number, and sends it to network selection module 200.Network selection module 200 is used for receiving dialed number, and selects GSM network 2 or VOIP network 3 to communicate automatically according to network settings situation and network condition, then the telephone number that is received is sent to the processing module of selected network correspondence.In the present embodiment, network selection module 200 then sends telephone number to first processing module 300 if select GSM network 2; If select VOIP network 3, then telephone number sent to second processing module 400.
Human-machine interface module 310 is used to manage the GSM conversation, and it comprises: call manager (CallManagement) module 311, assistant service (Supplementary Service) module 312, network management (Network Management) module 313 and telephone directory management (PhonebookManagement) module 314.Call management module 311 is used to receive the telephone number that network selection module 200 is transmitted, and the renewal talking state is a during dialing, and the Sending dialled number order, as: the AT order, and transmit telephone number and give ACI 320.Assistant service administration module 312 is used for keeping conversation, tandem working and suspending conversation etc. at communication process.Network management module 313 is used for detecting by ACI 320, G23 protocol module 330 and driver module 500 network condition of GSM network 2, and sends the network condition of GSM network 2 to network selection module 200.In the present embodiment, the network condition of GSM network 2 comprises whether GSM network 2 provides the situation of service.Telephone directory administration module 314 is used to manage call history record etc., as: dial, receive calls and missed call etc.
ACI 320 is used for dialing AT order and the telephone number that receipt of call administration module 311 is sent, and the telephone number packing is become communicating data, and send communicating data to G23 protocol module 330.G23 protocol module 330 is used to receive communicating data, and communicating data is converted to the communicating data bag, and by driver module 500 the communicating data bag is sent to GSM network 2 to communicate.
VOIP call manager (Call Management) module 410 is used for the managing VOIP conversation.VOIP call management module 410 receives the telephone number that network selection module 200 is transmitted, and sends telephone number to SIP module 420.VOIP call management module 410 also is used for by SIP module 420, IP module 430 and drives the network condition that module 500 is checked VOIP network 3, and sends the network condition of VOIP network 3 to network selection module 200.In the present embodiment, the network condition of VOIP network 3 comprises whether service available situation of VOIP network 3.
SIP module 420 is used for receiving dialed number, and telephone number is converted to the SIP message, sends IP module 430 again to.IP module 430 is used to receive the SIP message, and the SIP message is converted to the IP package, is sent to VOIP network 3 to communicate by driver module 500 again.
Fig. 2 is the module map of network selection module 200 1 execution modes among Fig. 1.In the present embodiment, network selection module 200 comprises: a storage module 210, a transceiver module 220, a coupling determination module 230 and are selected module 240.
In other embodiments, network selection module 200 does not comprise storage module 210, and storage module 210 can be arranged in mobile communications device 1 other position, storage module 210 ' as shown in Figure 3.
Storage module 210 is used to store files 211 and a network settings 212.In the present embodiment, files 211 are temporary file (provision file), and it includes a plurality of numeral mapping character strings (digit map strings).Numeral mapping character string comprises prefix (prefix number) and length (length) two parts.Prefix part is a m character, as: 0953,0954 etc., length partly is numeral 0 or n character, as: 10,0 etc.So the form of numeral mapping character string is: Digit-map-n=prefix, length, for example, Digit-map-1=0953,10; Digit-map-2=0954,10 etc.Network settings 212 comprises that the predefined network of user preferentially sets.
Transceiver module 220 is used for from dial module 100 receiving dialed numbers, and sends telephone number to coupling determination module 230.Transceiver module 220 also is used to receive current network conditions, and sends current network conditions to selection module 240.Wherein, current network conditions comprises whether current network provides the situation of service.In the present embodiment, transceiver module 220 receives the network condition of GSM network 2 from GSM processing module 300, receive the network condition of VOIP networks 3 from VOIP processing module 400, and the network condition of the network condition of GSM network 2 and VOIP network 3 sent to select module 240.Wherein, the network condition of GSM network 2 comprises whether GSM network 2 provides the situation of service.The network condition of VOIP network 3 comprises whether GSM network 3 provides the situation of service.
Coupling (match) determination module 230 is used for from transceiver module 220 receiving dialed numbers, shines upon character string from the numeral that storage module 210 reads the files 211, and judges whether telephone number that is received and the numeral that is read mapping character string mate.In the present embodiment, coupling determination module 230 comprises: a reading submodule 231, a character string submodule 232, a comparison sub-module 233 and are determined submodule 234.
Reading submodule 231 is used for reading numeral mapping character string from the files 211 of storage module 210, and sends the numeral mapping character string that is read to character string submodule 232.Reading submodule 231 is used for also judging whether the numeral mapping character string of files 211 runs through.If do not run through, then read the character late string; If run through, then notice is determined submodule 234, determines that submodule 234 definite telephone numbers do not match with numeral mapping character string.
Character string submodule 232 is used to receive numeral mapping character string, and judges whether the prefix of character string or length part are empty (Null).Character string submodule 232 also is used for the length of numeral mapping character string partly is converted to ten's digit p.In the present embodiment, when length partly be the numeral 0, then p also is 0; If the length part is not a numeral 0, then p is the number of the included character string of length part, i.e. n.In the present embodiment, if partly one of them is empty for prefix or length, then notify reading submodule 231; If prefix and length part are neither be sky, then numeral is shone upon character string and digital p sends comparison sub-module 233 to.
Comparison sub-module 233 is used for from transceiver module 220 receiving dialed numbers, receives numeral mapping character string and digital p from character string submodule 232, and judges whether telephone number and numeral mapping character string mate.In the present embodiment, comparison sub-module 233 judges whether the prefix of telephone number and character string mates, and its specific practice is as follows earlier.Whether preceding m numeral judging telephone number be identical with the prefix part of character string.If inequality, then the prefix part of telephone number and character string does not match, notice reading submodule 231; If identical, then the prefix part of telephone number and character string coupling continues to judge whether digital p is 0 again.If 0, then notice is determined submodule 234, determine submodule 234 definite telephone numbers and numeral mapping coupling; If be not 0, then continue to judge whether digital p equates with the length of telephone number.If unequal, then notify reading submodule 231; If equate, then notice is determined submodule 234, determines submodule 234 definite telephone numbers and numeral mapping coupling.Determine that submodule 234 is used for the notice according to reading submodule 230, the notice that reaches comparison sub-module 233 determines whether telephone number and numeral mapping mate, and numeral mapping matching state is sent to selection module 240.
Select module 240 to be used for reading the predefined network of user and preferentially set, receive numeral mapping matching state, receive current network conditions from transceiver module 220, and select a network in view of the above from determining submodule 234 from the network settings 212 of storage module 210.In the present embodiment, select module 240 according to network preferentially set, numeral mapping matching state and current network conditions select network, concrete network selection situation sees also Fig. 4.
Shown in the network selecting status list of Fig. 4, when GSM network 2 and VOIP network 3 did not all provide service, it was optional then not have network; When GSM network 2 provides service and VOIP network 3 does not provide when service, then select GSM network 2; When GSM network 2 does not provide service and VOIP network 3 provides when service, then select VOIP network 3; When GSM network 2 and VOIP network 3 all provide service, then select network according to preferential setting of network and numeral mapping matching state.In the present embodiment, preferential if the predefined network of user preferentially is set at GSM network 2 when GSM network 2 and VOIP network 3 all provide service, no matter then whether the numeral mapping mates, all select GSM network 2; If it is preferential that the predefined network of user preferentially is set at VOIP network 3, then when mating, digital mapping network selects GSM network 2, when not matching, the numeral mapping selects VOIP network 3.It should be noted that the present invention is not limited to above-mentioned network selecting status list, it can change according to production firm's design of mobile communications device.
Fig. 5 is the flow chart of network selecting method execution mode of the present invention.In the present embodiment, mobile communications device 1 will pass through the network Outgoing Call, must select GSM network 2 or VOIP network 3 to communicate earlier.
At step S500, the transceiver module 220 of network selection module 200 is from dial module 100 receiving dialed numbers, and sends telephone number to coupling determination module 230.At step S502, select module 240 to read the predefined network of user and preferentially set from the network settings 212 of storage module 200.
At step S504, coupling determination module 230 is determined matching state, and matching state is sent to selection module 240.In the present embodiment, coupling determination module 230 is from transceiver module 220 receiving dialed numbers, read numeral mapping character string from the files 211 of storage module 210, and judge whether telephone number that is received and the numeral that is read mapping character string mate, and its concrete coupling determination step sees Fig. 6 for details.At step S506, transceiver module 220 receives current network conditions, and current network conditions is sent to selection module 240.In the present embodiment, current network conditions comprises whether GSM network 2 provides service and VOIP network 3 whether the situation of service is provided.
At step S508, select numeral mapping matching state that module 240 preferentially sets, received according to the network that is read and the current network conditions that is received to select a network to communicate.In the present embodiment, select module 240 according to network preferentially set, numeral mapping matching state and current network conditions select the concrete selection situation of network to see also above-mentioned Fig. 4, therefore repeat no more.
Fig. 6 is the flow chart of numeral mapping coupling decision method in the embodiment of the present invention, that is, below describe the concrete steps of determining matching state of step S504 among Fig. 5 in detail.
At step S500, transceiver module 220 receiving dialed numbers.At step S502, select module 240 to read that the predefined network of user is preferential and set from the network settings 212 of storage module 200 after, telephone number is passed to the comparison sub-module 233 of coupling determination module 230.At step S602, reading submodule 231 reads numeral mapping character string from the files 211 of storage module 210, and character string is passed to character string submodule 232.In the present embodiment, files 211 are temporary file (provision file), include a plurality of numeral mapping character strings.Numeral mapping character string comprises prefix (prefix) and length (length) two parts, and prefix part is a m character, and length partly is numeral 0 or n character.
At step S604, character string submodule 232 receives character string, and judges whether the prefix of character string or length part are empty.
If one of them is empty for the prefix of character string or length part, then notify reading submodule 231, execution in step S616, reading submodule 231 judges whether numeral mapping character string runs through in the files 211.If numeral mapping character string does not run through, execution in step S618 then, reading submodule 231 reads next numeral mapping character string; If run through, then notice is determined submodule 234, and execution in step S620 determines that submodule 234 definite telephone numbers do not match with numeral mapping character string, and the numeral mapping situation of not matching is sent to selection module 240.
If the prefix of character string and length part are neither be sky, execution in step S606 then, and character string submodule 232 partly is converted to digital p to the length of character string, and numeral is shone upon character string and digital p sends comparison sub-module 233 to.In the present embodiment, character string submodule 232 partly is converted to ten's digit p to the length of numeral mapping character string.
It should be noted, when length partly be the numeral 0, then p also is 0; If the length part is not a numeral 0, then p is the number of the included character of length part, i.e. n.
At step S608, comparison sub-module 233 judges whether the prefix of telephone number and character string mates.In the present embodiment, comparison sub-module 233 receives numeral mapping character string and digital p from transceiver module 220 receiving dialed numbers from character string submodule 232.Comparison sub-module 233 judges to sew before telephone number and the character string whether mate, and specific practice is, take out before the telephone number m digital whether identical with the prefix part of character string.
If preceding m numeral of telephone number is inequality with the prefix part of character string, then the prefix of telephone number and character string does not match, notice reading submodule 231, execution in step S616.
If preceding m numeral of telephone number is identical with the prefix part of character string, then determine the prefix part coupling of telephone number and character string, and then execution in step S610, comparison sub-module 233 continues to judge whether digital p is 0.
If digital p is 0, then notice is determined submodule 234, execution in step S612, and then definite submodule 234 determines telephone numbers and numeral mapping string matching, and numeral mapping matching state sent to select module 240.
If digital p is not 0, execution in step S614 then, comparison sub-module 233 continues to judge whether digital p equates with the length of telephone number.
If the length of digital p and telephone number is unequal, then notify reading submodule 231, execution in step S616; If equate, that is the prefix of telephone number and character string and length two parts all mate, then notice is determined submodule 234, execution in step S612 determines submodule 234 definite telephone numbers and numeral mapping string matching, and numeral mapping matching state is sent to selection module 240.
At step S506, transceiver module 220 receives current network conditions, and current network conditions is sent to selection module 240.
At step S508, select numeral mapping matching state that module 240 preferentially sets, received according to the network that is read and the current network conditions that is received to select a network to communicate.
Claims (27)
1. a network selecting method is used for selecting network to communicate from different networks, it is characterized in that described network selecting method may further comprise the steps:
Provide a plurality of character strings and the predefined network of a user preferentially to set;
Receive a telephone number, described telephone number can communicate to select network with described a plurality of character string comparisons;
Reading described network preferentially sets;
Determine the matching state of described telephone number and described a plurality of character strings;
Receive a current network conditions; And
According to described network preferentially set, described matching state and described current network conditions, select a network.
2. network selecting method as claimed in claim 1 is characterized in that: the step of the matching state of described definite described telephone number and described a plurality of character strings may further comprise the steps:
From described a plurality of character strings, read a character string;
Compare described telephone number and whether described character string mates; And
If coupling is then determined described telephone number and described string matching.
3. network selecting method as claimed in claim 2 is characterized in that more may further comprise the steps:
If described telephone number and described character string do not match, judge then whether described a plurality of character string runs through;
If do not run through, then from described a plurality of character strings, read the character late string, judge whether described character late string and described telephone number mate; Or
If run through, determine that then described telephone number and described character string do not match.
4. network selecting method as claimed in claim 2 is characterized in that: described character string comprises a prefix part and a length part.
5. network selecting method as claimed in claim 4 is characterized in that the step whether described telephone number of described comparison and described character string mate may further comprise the steps:
Whether prefix part or the length part of judging described character string are empty;
If the prefix part of described character string and length part are neither is empty, then the length of described character string partly is converted to a numeral;
Whether the prefix part of judging described telephone number and described character string mates;
If coupling judges then whether described numeral is 0; And
If be 0, then determine described telephone number and described string matching.
6. network selecting method as claimed in claim 5 is characterized in that more may further comprise the steps:
If one of them is empty for the prefix part of described character string or length part, determine that then described telephone number and described character string do not match.
7. network selecting method as claimed in claim 5 is characterized in that more may further comprise the steps:
If the prefix part of described telephone number and described character string does not match, determine that then described telephone number and described character string do not match.
8. network selecting method as claimed in claim 5 is characterized in that more may further comprise the steps:
If described numeral is not 0, judge then whether described numeral equates with the length of described telephone number;
If equate, then determine described telephone number and described string matching; Or
If unequal, determine that then described telephone number and described character string do not match.
9. a mobile communications device is used for selecting network to communicate from different networks, it is characterized in that described mobile communications device comprises:
One storage module is used to store a plurality of character strings and a network settings;
One transceiver module is used to receive a telephone number and a current network conditions;
One mates determination module, is used for determining the matching state of described telephone number and described a plurality of character strings; And
One selects module, is used for selecting a network according to described network settings, described matching state and described current network conditions.
10. mobile communications device as claimed in claim 9 is characterized in that: each character string all comprises a prefix part and a length part in described a plurality of character strings.
11. mobile communications device as claimed in claim 10 is characterized in that: described coupling determination module comprises a reading submodule, is used for reading a character string from a plurality of character strings, and is used to judge whether described a plurality of character string runs through.
12. mobile communications device as claimed in claim 11, it is characterized in that: described coupling determination module more comprises a character string submodule, be used to judge that whether the prefix part of described character string or length part are empty, and be used for the length of described character string partly is converted to a numeral.
13. mobile communications device as claimed in claim 12 is characterized in that: described coupling determination module more comprises a comparison sub-module, is used to judge whether described telephone number and described character string mate.
14. mobile communications device as claimed in claim 13 is characterized in that: described coupling determination module comprises that more one determines submodule, is used for determining matching state according to the judged result of described reading submodule and described comparison sub-module.
15. mobile communications device as claimed in claim 9, it more comprises a dial module, is used to dial described telephone number, and a driver module, is used to transmit a communicating data bag.
16. mobile communications device as claimed in claim 15, it more comprises one first processing module, is used for described telephone number is converted to the communicating data bag, by described driver module described communicating data bag is sent to one first network again.
17. mobile communications device as claimed in claim 16 is characterized in that: described first processing module is a global system for mobile communications processing module, and it comprises a human-machine interface module, is used to manage the global system for mobile communications conversation.
18. mobile communications device as claimed in claim 17, it is characterized in that: described human-machine interface module comprises a call management module, be used to receive the telephone number that described network selection module transmits, the renewal talking state is a during dialing, and Sending dialled number order and described telephone number.
19. mobile communications device as claimed in claim 18 is characterized in that: described human-machine interface module more comprises a secondary service module, is used for keeping conversation, tandem working and suspending conversation at communication process.
20. mobile communications device as claimed in claim 19, it is characterized in that: described human-machine interface module more comprises a network management module, be used for detecting the global system for mobile communications network condition, and send the global system for mobile communications network condition to described network selection module by described driver module.
21. mobile communications device as claimed in claim 20 is characterized in that: described human-machine interface module more comprises a telephone directory administration module, is used to manage the call history record.
22. mobile communications device as claimed in claim 18, it is characterized in that: described first processing module more comprises a command analysis module, be used to receive dialing order and the telephone number that described call management module sends, the telephone number packing is become communicating data.
23. mobile communications device as claimed in claim 22, it is characterized in that: described first processing module more comprises the second/three layer of (G23) protocol module of a global system for mobile communications, be used for described communicating data is converted to the communicating data bag, and described communicating data bag be sent to the global system for mobile communications network by described driver module.
24. mobile communications device as claimed in claim 15, it more comprises one second processing module, is used for described telephone number is converted to the communicating data bag, by described driver module described communicating data bag is sent to one second network again.
25. mobile communications device as claimed in claim 24 is characterized in that: described second processing module is an internet voice processing module, and it more comprises an internet voice (VOIP) call management module, is used for the managing internet voice call.
26. mobile communications device as claimed in claim 25 is characterized in that: described second processing module more comprises session initializtion protocol (SIP) module, is used for described telephone number is converted to the conversation initialized protocol message.
27. mobile communications device as claimed in claim 26 is characterized in that: described second processing module more comprises an Internet Protocol (IP) module, is used for described conversation initialized protocol message is converted to the Internet Protocol package.
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| CNB2005100373718A CN100469180C (en) | 2005-09-16 | 2005-09-16 | Mobile communication device and network selecting method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101543117B (en) * | 2007-10-09 | 2012-07-04 | 香港应用科技研究院有限公司 | Handoff of dual mode mobile device between an IP network and a PLMN |
| CN101389117B (en) * | 2007-09-12 | 2012-08-22 | 英华达（南京）科技有限公司 | Calling method automatically switching communication systems according to calling number |
| CN101330733B (en) * | 2007-06-22 | 2012-12-05 | 中兴通讯股份有限公司 | Method for implementing multimode terminal call control |
| CN103607790A (en) * | 2013-11-26 | 2014-02-26 | 广东欧珀移动通信有限公司 | Intelligent dialing method and device of dual-card mobile phone |
| CN109756633A (en) * | 2017-11-01 | 2019-05-14 | 中国电信股份有限公司 | Call answering method and system |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2693940B2 (en) * | 1995-12-21 | 1997-12-24 | 静岡日本電気株式会社 | Radio selective call receiver |
| DE29809864U1 (en) * | 1998-06-03 | 1998-08-20 | Fritsche Enrico | Connection device for communication traffic |
| CN1444370A (en) * | 2002-03-13 | 2003-09-24 | 宪锋光电科技股份有限公司 | Multiport multi-band bidirectional connected telecommunication device |
| CN1540968A (en) * | 2003-04-22 | 2004-10-27 | 上海迪比特实业有限公司 | Method for quick logging on network by using mobile phone |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101330733B (en) * | 2007-06-22 | 2012-12-05 | 中兴通讯股份有限公司 | Method for implementing multimode terminal call control |
| CN101389117B (en) * | 2007-09-12 | 2012-08-22 | 英华达（南京）科技有限公司 | Calling method automatically switching communication systems according to calling number |
| CN101543117B (en) * | 2007-10-09 | 2012-07-04 | 香港应用科技研究院有限公司 | Handoff of dual mode mobile device between an IP network and a PLMN |
| CN103607790A (en) * | 2013-11-26 | 2014-02-26 | 广东欧珀移动通信有限公司 | Intelligent dialing method and device of dual-card mobile phone |
| CN109756633A (en) * | 2017-11-01 | 2019-05-14 | 中国电信股份有限公司 | Call answering method and system |
| CN109756633B (en) * | 2017-11-01 | 2021-03-30 | 中国电信股份有限公司 | Call answering method and system |
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| CN100469180C (en) | 2009-03-11 |
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