CN103617281B - Virtual sequencing method for host address books - Google Patents
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- CN103617281B CN103617281B CN201310666440.6A CN201310666440A CN103617281B CN 103617281 B CN103617281 B CN 103617281B CN 201310666440 A CN201310666440 A CN 201310666440A CN 103617281 B CN103617281 B CN 103617281B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
- B60R11/02—Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/27—Replication, distribution or synchronisation of data between databases or within a distributed database system; Distributed database system architectures therefor
- G06F16/275—Synchronous replication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
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Abstract
The invention discloses a virtual sequencing method for host address books. The method includes the steps that firstly, all the address books on a mobile terminal are loaded to a host, every time a piece of address book information is loaded to the host, an ID number is set for the piece of address book information according to the loading sequence, the serial number of a first character of a contact in the piece of address book information is looked up and recorded according to a pre-stored character-serial number comparison table, and then the piece of recorded address book information is deleted from the host; secondly, the ID numbers of all pieces of address book information and the serial numbers of the corresponding first characters are sequentially sequenced according to the serial numbers of the first characters, and a sequence table is formed; thirdly, according to the definite pieces of address book information capable of being displayed on a display screen of the host at the current moment, the definite pieces of address book information is synchronized to the host from the mobile terminal in real time to be displayed, and the definite pieces of address book information is obtained synchronously according to the sequence in the sequence table and the ID numbers in the sequence table.
Description
Technical field
The present invention relates to the virtual ordered method of embedded software technology field, more particularly, to host side address list.
Background technology
Since Bluetooth technology is born from 1998 due to its significant advantage, just liked by various electronic products designer
Love.Nowadays, bluetooth also widely uses in automobile electronics.In vehicle audio navigation product, Bluetooth technology is mainly used in
Acoustic navigation main frame is with the wireless connection of mobile phone.Acoustic navigation main frame can play the music of mobile phone by Bluetooth protocol.Also may be used
With when driving, by the button wireless operated mobile phone on host panel or steering wheel, browse phone directory, dial, answer
Phone etc., it is to avoid answer in driving, call the potential safety hazard brought.
Fig. 1 show mobile phone with acoustic navigation main frame（Hereinafter referred to as main frame）Annexation schematic diagram, in figure HMI includes
Panel, steering wheel button and display screen.In order to realize the function of calling in driving a vehicle by panel or steering wheel button, main
Machine needs to show the number of storage in mobile phone, and provides the function of selecting number call phone.The telephone number of display on main frame
And name needs to obtain from mobile phone, and it to be ranked up process（It is usually to press phonetic alphabet sequence）, otherwise user
Name and the number wanting to look for cannot be positioned in substantial amounts of number.
Bluetooth telephone is originally ranked up be a technical bottleneck of current Automobile Electronic Industry, because to substantial amounts of
Name number is ranked up needing to take substantial amounts of RAM, ROM and system time, and this often exceeds car and advises the average of level product
Performance indications.In existing product, or aiming at this to select expensive platform, or the sequence effect worked it out is undesirable, real
It is that effect is compromised with resource on border.
Traditional bluetooth telephone is originally（Address list）Sort method generally comprises following step and gathers：
1st, download phone directory to main frame from mobile phone terminal.
Shortcoming：Main frame need to be reserved substantial amounts of ram space to deposit phone directory.Taking 1000 telephone numbers as a example, every electricity
Words information is made up of " name+number ", and 20byte reserved in name, and number is also to be made up of 20byte.So 1000 numbers need
The ram space wanted is（20+20）X1000=40Kbyte.The ram space of 40K byte is absolutely not for embedded system
Peanut.This be enough to affect embedded product external RAM whether to be extended, and the big ting model of external RAM selects, this
Influence whether product cost.Meanwhile, embedded product development platform specificity is stronger, typically compacter to the utilization of resources, extension
External RAM needs to consider the pin resource problem of MCU.
2nd, Chinese character is counter looks into phonetic synopsis.
Shortcoming：Main frame needs to deposit phonetic transcriptions of Chinese characters synopsis, and additionally needs the spelling that reserved ram space deposits each Chinese character
Sound.Calculate by 4 letters of a phonetic transcriptions of Chinese characters, a phone information presses three Chines words processing, and this needs 4X3X1000=12Kbyte.
3rd, sort operation.
Shortcoming：Take excessive operation time, affect system time performance.Calculate by bubbling method, n number is ranked up altogether
Required number of comparisons is n (n-1)/2 time.Here press 1000 phone information estimations, the first human relations, just ranked first the initial of a word
Need to compare 1000X (1000-1)/2,=50 ten thousand times, but this be first Chinese character first letter, after also have second, the
3rd, the 4th letter, also has second, third Chinese character.For microprocessor possibly for current main flow, 1000 number rows
It is only completely the time of several seconds to more than ten seconds.But this be by sort operation when MCU occupancy 100% premised on.Embedded
The generally multitask system of MCU management in formula product, excessively complicated computing can affect the real-time of system, increase system
Unstability.
Accordingly, it would be desirable to invent a kind of virtual ordered method of host side address list, to reduce in Automobile Electronic Industry to indigo plant
Tooth phone directory is ranked up consumed ram space, cost-effective.
Content of the invention
Embodiment of the present invention technical problem to be solved is, provides a kind of virtual ordered side of host side address list
Method, the virtual ordered method of host side address list, can greatly reduce in Automobile Electronic Industry and bluetooth telephone is originally ranked up
The ram space being consumed, cost-effective, reduce algorithm complex simultaneously, improve system stability, extend embedded platform and use
Life-span.
In order to solve above-mentioned technical problem, the invention provides a kind of virtual ordered method of host side address list, including
Step：
S1, the address list of mobile terminal is all downloaded to host side, and described host side often downloads an address list letter
During breath, then it is numbered with one No. ID according to downloading order to this address list information, and the character-serial number synopsis by prestoring
Search the serial number remembering and recording the first character of contact person in this address list information, then this being recorded is led to
News record information from host computer end is deleted；
S2, after the last item address list information being recorded from host side deletion after, by each address list information
The size of the serial number according to described first character for the serial number of No. ID and corresponding first character sorts successively, forms sequence
List；
S3, according to the displayable limited bar address list information of host side display screen current time, described limited bar is communicated
Record information from mobile terminal real-time synchronization to host side to be shown, wherein, according to described sequence table order and pass through institute
State in sequence table No. ID next synchronization and obtain described limited bar address list information.
Preferably, also include step between described step S2 and S3：
If there is the serial number of first character described at least two identicals in the described sequence table of S21, by identical
No. ID of the serial number of described first character its corresponding address list information is downloaded to host side from mobile terminal again,
Thus obtain the serial number of second character of the contact person in every address list information, and the sequence according to described second character
The serial number identical part of the described first character in described sequence table is resequenced by the size of row number, described to update
Sequence table；
If there is the serial number of first character and the sequence of second character described at least two in the described sequence table of S22
Number all same, then No. ID that passes through the serial number of the serial number of first character and second character described in identical right by it
The address list information answered downloads to host side from mobile terminal again, thus obtaining of the contact person in every address list information
The serial number of three characters, and according to the size of the serial number of described 3rd character by described first in described sequence table
The part rearrangement of the serial number all same of the serial number of character and second character, to update described sequence table；And with this
Analogize.Preferably, the order of described No. ID physical location storing in described mobile terminal with it of each address list information
Correspond.
Preferably, the corresponding coding rule of the character in the described character-serial number synopsis prestoring-serial number is complete by PC end
Become and be cured in the code of host side to generate described character-serial number synopsis and to preserve.
Wherein, the corresponding coding rule of described character-serial number is：By 7445 characters in international code according to letter of risking one's life
Sequence number is sorted and is numbered with serial number to each character；16 GB codes of each character are corresponded with described serial number.
Preferably, in described step S2, by the sequence of No. ID of each address list information and corresponding first character
The size of the serial number according to described first character for the row number sorts from small to large successively, forms described sequence table.
Preferably, in described step S21, the size of the serial number according to described second character from small to large will be described
The serial number identical part rearrangement of the described first character in sequence table, to update described sequence table.
Preferably, in described step S22, the size of the serial number according to described 3rd character from small to large will be described
The part rearrangement of the serial number all same of the serial number of described first character in sequence table and second character, with more
Newly described sequence table.
Preferably, by bluetooth approach by the address list of mobile terminal/address book information download/real-time synchronization to main frame
End.
Preferably, each described address list information at least includes contact person and contact number.
Implement the embodiment of the present invention, the consumption to ROM, RAM resource can be reduced, simplify sort algorithm, reduce system time
Consumption, reduce sequence error rate, and be conducive to code maintenance, be suitable for disposal ability limitation, internal resource is insufficient
Embedded system.Specifically have the advantages that：
1st, use the sequence to the total collection of character for the external tool realization, ranking results are solidified into constant array, are incorporated into generation
The method realizing the index list to character subset sequence as system in code；
2nd, using virtual ordered, after this sequence of bluetooth telephone, do not store specific telephone directory information, only store every electricity
The ID of script for story-telling information, the method reducing the consumption to RAM.
Brief description
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Have technology description in required use accompanying drawing be briefly described it should be apparent that, drawings in the following description be only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, acceptable
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the annexation schematic diagram of mobile phone and acoustic navigation main frame in prior art；
The schematic flow sheet of the virtual ordered method of Fig. 2 host side provided in an embodiment of the present invention address list；
Fig. 3 is the schematic flow sheet of the supplementary step to Fig. 2；
Fig. 4 is showing the schematic diagram setting up character-serial number process；
Fig. 5～Fig. 7 shows that the process of the virtual ordered method of the host side address list being provided using inventive embodiments is shown
It is intended to；
Fig. 8 is using the virtual ordered method of inventive embodiments offer and RAM, ROM of traditional sort method and system
The expense contrast schematic diagram of time.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation description is it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of not making creative work
Embodiment, broadly falls into the scope of protection of the invention.
Embodiments provide a kind of virtual ordered method of host side address list, as shown in Fig. 2 including step：
S1, the address list of mobile terminal is all downloaded to host side, and described host side often downloads an address list letter
During breath, then it is numbered with one No. ID according to downloading order to this address list information, and the character-serial number synopsis by prestoring
Search the serial number remembering and recording the first character of contact person in this address list information, then this being recorded is led to
News record information from host computer end is deleted；
S2, after the last item address list information being recorded from host side deletion after, by each address list information
The size of the serial number according to described first character for the serial number of No. ID and corresponding first character sorts successively, forms sequence
List；
S3, according to the displayable limited bar address list information of host side display screen current time, described limited bar is communicated
Record information from mobile terminal real-time synchronization to host side to be shown, wherein, according to described sequence table order and pass through institute
State in sequence table No. ID next synchronization and obtain described limited bar address list information.
Wherein it is preferred that as shown in figure 3, further comprising the steps of between described step S2 and S3：
If there is the serial number of first character described at least two identicals in the described sequence table of S21, by identical
No. ID of the serial number of described first character its corresponding address list information is downloaded to host side from mobile terminal again,
Thus obtain the serial number of second character of the contact person in every address list information, and the sequence according to described second character
The serial number identical part of the described first character in described sequence table is resequenced by the size of row number, described to update
Sequence table；
If there is the serial number of first character and the sequence of second character described at least two in the described sequence table of S22
Number all same, then No. ID that passes through the serial number of the serial number of first character and second character described in identical right by it
The address list information answered downloads to host side from mobile terminal again, thus obtaining of the contact person in every address list information
The serial number of three characters, and according to the size of the serial number of described 3rd character by described first in described sequence table
The part rearrangement of the serial number all same of the serial number of character and second character, to update described sequence table；And with this
Analogize, until the serial number of the first character in described sequence table is not all identical to the serial number of last character
Till.
In above-mentioned steps, by bluetooth approach, the address list of mobile terminal/address book information download/real-time synchronization is arrived
Host side.And each described address list information at least includes contact person（Name）And contact number.
Wherein, the order of described No. ID physical location storing in described mobile terminal with it of each address list information
Correspond.The reason layout ID is mobile terminal（Mobile phone）Address list（Phone directory）Can be specified by Bluetooth protocol and download
Wherein one or more number information, and No. ID is to be downloaded which bar for specifying.So, in host side, can pass through described
No. ID and require by address book information download/real-time synchronization corresponding in mobile terminal to host side.
Preferably, the corresponding coding rule of the character in the described character-serial number synopsis prestoring-serial number can be by PC end
Complete and be cured in the code of host side to generate described character-serial number synopsis and to preserve.For example, described character-sequence
Row number corresponds to coding rule：7445 characters in international code are sorted according to letter sequence number desperately and to each character
It is numbered with serial number；16 GB codes of each character are corresponded with described serial number.
Preferably, in described step S2, by the sequence of No. ID of each address list information and corresponding first character
The size of the serial number according to described first character for the row number sorts from small to large successively, forms described sequence table.
Preferably, in described step S21, the size of the serial number according to described second character from small to large will be described
The serial number identical part rearrangement of the described first character in sequence table, to update described sequence table.
Preferably, in described step S22, the size of the serial number according to described 3rd character from small to large will be described
The part rearrangement of the serial number all same of the serial number of described first character in sequence table and second character, with more
Newly described sequence table.
Below, the void of the host side address list of the present invention in conjunction with Fig. 4～8, is described in detail by a specific embodiment
How quasi-ordering method is realized.
In traditional scheme, phone directory sequence is needed host side to download and stores all of cellphone directory.This
A kind of virtual sortord that bright scheme adopts, need not deposit phone script for story-telling in host side it is therefore an objective to avoid main frame because of storage
Whole phone directory consumes excessive RAM.Certainly, virtual sort method is premised on the foundation of " serial number ".Under request in person ginseng
Examine Fig. 4, initially set up described " serial number ".
The work that whole sequence work is isolated complexity and repeated, is completed and be cured in code by PC end, adopt simultaneously
With virtual sequencing schemes, mitigate RAM consumption and the computational load of MCU.Included by the process of setting up that PC end completes " serial number "
Following steps：
First, create character string.
1）Create serial number for each character.Serial number is to carry out layout according to sequencing the whole character set order after sequence.
Taking GB as a example.In GB, totally 7445 characters, wherein Chinese character 6763, each character correspond to unique one
16 GB codes, as shown in the left side in Fig. 4.By whole GB code word set（Refer mainly to Chinese character part, the row of non-chinese character in GB code
Row order meets use habit）It is numbered with serial number by phonetic alphabet sequence number to each character in order again, as the right institute in Fig. 4
Show.
It should be noted that after sort method determines, the layout of serial number is also fixing, so the foundation of serial number,
This partially-working can be stripped out from embedded, is completed by PC end.
2）Character code corresponds to serial number.The GB code of each character and serial number are unique, thus can be by GB
Code corresponds with serial number.Specific practice is to increase one-dimensional data in original GB yardage group to correspond to therewith, as follows
Shown in row code overstriking part.The purpose of do so is：As long as knowing that the GB code of monic character just can accordingly find its institute
Corresponding serial number.Certainly, serial number is also fixing with the correspondence of GB, and this partially-working can also complete at PC end.
The foundation of serial number, substantially artificially with creating a kind of new coded system according to use demand.This volume
Code mode is coded system for ranking function " making to measure ", when benefit is that programmer processes Chinese character sort, need not again will be often
Individual Chinese character is counter to look into phonetic synopsis, then sorts it is only necessary to compare the size of each Chinese character serial number by phonetic alphabet.Typically
The phonetic alphabet of each Chinese character have multiple, and the serial number of each Chinese character only has unique one.With traditional sequencing schemes phase
Ratio can reduce the expense of RAM, ROM and system time, be illustrated in figure 8 two schemes using the sort method of serial number
Comparison diagram.
Setting up and being cured in the code of host side of " serial number " is completed by PC end（Generate character-serial number comparison
Table）, adopt virtual sequencing schemes, thus the RAM mitigating MCU consumes and computational load simultaneously.Below, in conjunction with Fig. 5～7, in detail
If carefully description host side carries out virtual address book ordering using this character-serial number synopsis, including following process：
1）By mobile terminal（For example, the present embodiment is preferably mobile phone）Address list all download to host side, and only under
Carry, do not store.As traditional method, virtual ordered it is also required to carry out once all address lists（Phone directory）Download（From handss
Machine is to host side）.Except that, host side does not need to store each address list information（Phone information）, but press
Load order is numbered with No. ID to each address list information, and the character-serial number simultaneously passing through to prestore compares table search and remembers and record simultaneously
The serial number of the name first character in record address list information（GB code with specific reference to name first character is directly searched
Go out corresponding serial number）, as shown in figure 5, each of which address list information only has the serial number of No. ID and name first character
Can be by host side record（Preserve）Get off, address list information abandons one with downloading one.The reason layout ID is mobile phone
Address list can be specified by Bluetooth protocol and be downloaded wherein one or more number information, and No. ID is which to be downloaded for specifying
Bar.
2）After the completion of waiting the first round to download, host side can draw one group of name first character by address list information
Serial number（The present embodiment preferably arranges from small to large, such as runs into serial number identical then according to original downloading order）Sequence suitable
No. ID of sequence（Sequence table）, as shown in Figure 6.But only by character row, there is identical situation, this will carry out the
Two wheel download, second wheel download just for identical part, for example, in Fig. 6 ID be 1 and 6 first character serial number be phase
With it is therefore desirable to by ID be address list information corresponding to 1 and 6 from mobile phone again（Second wheel）Download to host side.With
When one wheel is different, the current serial number only recording second character, and it is ranked up（It is preferably from small to large）, then
The serial number identical part of the first character in the sequence table shown in by Fig. 6 for the sequence of the serial number according to second character
（I.e. ID is two of 1 and 6）Rearrangement, to update described sequence table, the sequence table after renewal is as shown in Figure 7.By that analogy,
First and second characters in sequence table are the same from downloading carrying out third time ... ....
3）Address list information is downloaded to host side from mobile phone real-time synchronization.Because host side synchronization has been only able to display
The address list information of limit bar number（Including name and number）As long as, so ensureing that display is correct, unnecessary address list of host side
Information is all from mobile phone-downloaded and store, but the address list information of backstage synchronous mobile phone terminal in real time.And synchronous communication record letter
The order of breath be then final updating sequence table in sequence No. ID of order（For example, in the present embodiment for 5,3,4,6,1,2
Sequentially）Order is obtained.
Equally achieve the ranking function of address list, but this programme is not address list name and communicates what host side was arranged
No. ID of record, is therefore referred to as virtual sequencing schemes.The program can reduce algorithm complex, that is, sort number of comparisons, simultaneously
System ROM and the expense of RAM are saved.Fig. 8 is an expense contrast with this programme for the traditional scheme.
Implement the embodiment of the present invention, the consumption to ROM, RAM resource can be reduced, simplify sort algorithm, reduce system time
Consumption, reduce sequence error rate, and be conducive to code maintenance, be suitable for disposal ability limitation, internal resource is insufficient
Embedded system.Specifically have the advantages that：
1st, use the sequence to the total collection of character for the external tool realization, ranking results are solidified into constant array, are incorporated into generation
The method realizing the index list to character subset sequence as system in code；
2nd, using virtual ordered, after this sequence of bluetooth telephone, do not store specific telephone directory information, only store every electricity
The ID of script for story-telling information, the method reducing the consumption to RAM.
Above disclosed be only a kind of preferred embodiment of the present invention, certainly the power of the present invention can not be limited with this
Sharp scope, the equivalent variations therefore made according to the claims in the present invention, still belong to the scope that the present invention is covered.
Claims (9)
1. a kind of virtual ordered method of host side address list is it is characterised in that include step：
S1, the address list of mobile terminal is all downloaded to host side, and when described host side often downloads an address list information,
Then it is numbered with one No. ID according to downloading order to this address list information, and table search is compareed by the character-serial number prestoring
Remember and record the serial number of the first character of contact person in this address list information, then by this address list being recorded
Information from host computer end is deleted；
S2, after the last item address list information being recorded from host side deletion after, by No. ID of each address list information
Sort successively with the size of the serial number according to described first character for the serial number of corresponding first character, formation sequence
Table；
S3, according to the displayable limited bar address list information of host side display screen current time, described limited bar address list is believed
Breath from mobile terminal real-time synchronization to host side to be shown, wherein, according to described sequence table order and by described sequence
In list No. ID is carried out synchronization and is obtained described limited bar address list information；
Step is also included between described step S2 and S3：
If there is the serial number of first character described at least two identicals in the described sequence table of S21, pass through identical institute
Its corresponding address list information is downloaded to host side from mobile terminal by No. ID of the serial number stating first character again, thus
Obtain the serial number of second character of contact person in every address list information, and the serial number according to described second character
Size the serial number identical part of the described first character in described sequence table is resequenced, to update described sequence
Table；
If there is the serial number of first character described at least two in the described sequence table of S22 and the serial number of second character is equal
Identical, then No. ID that passes through the serial number of the serial number of first character and second character described in identical corresponding by it
Address list information downloads to host side from mobile terminal again, thus obtaining the 3rd of the contact person in every address list information
The serial number of character, and according to the size of the serial number of described 3rd character by the described first character in described sequence table
Serial number and second character serial number all same part rearrangement, to update described sequence table；And so on.
2. the virtual ordered method of host side address list as claimed in claim 1 is it is characterised in that each address list information
Described No. ID physical location storing in described mobile terminal with it order correspond.
3. host side address list as claimed in claim 1 virtual ordered method it is characterised in that described prestore character-
The corresponding coding rule of character in serial number synopsis-serial number is completed and be cured in the code of host side to generate by PC end
Described character-serial number synopsis simultaneously preserves.
4. the virtual ordered method of host side address list as claimed in claim 3 is it is characterised in that described character-serial number
Corresponding to coding rule is：7445 characters in international code are sorted according to letter sequence number desperately and is numbered with sequence to each character
Row number；16 GB codes of each character are corresponded with described serial number.
5. the virtual ordered method of host side address list as claimed in claim 1 is it is characterised in that in described step S2,
By the serial number of No. ID of each address list information and corresponding first character according to the serial number of described first character
Size sort successively from small to large, formed described sequence table.
6. the virtual ordered method of host side address list as claimed in claim 1 is it is characterised in that in described step S21,
The size of the serial number according to described second character is from small to large by the sequence of the described first character in described sequence table
The rearrangement of number identical part, to update described sequence table.
7. the virtual ordered method of host side address list as claimed in claim 1 is it is characterised in that in described step S22,
The size of the serial number according to described 3rd character is from small to large by the sequence of the described first character in described sequence table
Number and second character serial number all same part rearrangement, to update described sequence table.
8. the virtual ordered method of the host side address list as any one of claim 1～7 is it is characterised in that pass through
Bluetooth approach is by the address list of mobile terminal/address book information download/real-time synchronization to host side.
9. the virtual ordered method of the host side address list as any one of claim 1～7 is it is characterised in that each
Address list information described in bar at least includes contact person and contact number.
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