CN1665335A - A method of automatic roaming location identification and called number adjustment for mobile terminal - Google Patents
A method of automatic roaming location identification and called number adjustment for mobile terminal Download PDFInfo
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- CN1665335A CN1665335A CN 200410006509 CN200410006509A CN1665335A CN 1665335 A CN1665335 A CN 1665335A CN 200410006509 CN200410006509 CN 200410006509 CN 200410006509 A CN200410006509 A CN 200410006509A CN 1665335 A CN1665335 A CN 1665335A
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Abstract
The invention provides a method for mobile terminal to automatically recognize roaming position and regulate the called number, storing position information in the mobile terminal and also including the steps: A. the mobile terminal receives the present position-region information transmitted by network side through the shared channel; B. comparing the received position- region information with the stored position information to determine the present roaming position. The invention also provides a method for regulating the called number to be called, and on the above basis, including the steps: C. according to the judged roaming position, the mobile terminal modifies the called number to be called, drawn from a telephone directory, into the number with the present position as a reference region to call. The invention makes it convenient for the user to operate.
Description
Technical field
The present invention relates to the portable terminal application, be meant the method that a kind of portable terminal is discerned roaming position automatically and adjusted desire exhalation called number automatically especially.
Background technology
For convenience, remove the trouble of memory telephone number from, the mobile phone user can be stored in telephone number commonly used in the telephone directory book of mobile phone.When the user need call out, do not need to Enter Number, as long as find the record in the telephone directory book, just can make a call.
Can know from the experience of life, the number of storing in the numbering directory of general mobile phone with user resident as with reference to ground, the telephone number of user resident is direct-recording, and the telephone number record beyond the user resident is a toll number, has trunk prefix.
When the mobile phone user roamed in addition in the guard station, if do not revise the telephone number of preserving in the telephone directory, the above-mentioned resulting the possibility of result of operation that makes a call by telephone directory book was wrong.Such as, write down the number 287890808 of local user B in the numbering directory of the mobile phone of Shenzhen user A, user A is when Shenzhen, the mode that can directly read numbering directory is initiated the calling to user B, if user A leaves Shenzhen and arrived Beijing, according to aforesaid operations, following situation may occur: if also there is number in Beijing is 287890808 user C, this calling will be connected to user C, rather than the user B of expectation; If Beijing does not have this number, the user may hear the information of switch, also can not set up and being connected of user B.
The user also can be stored as the number that has trunk code with the fixed line number on the phone number book in advance, is 0755287890808 as the number of preserving in the numbering directory in the top example, can avoid occurring the situation of above-mentioned call error.But compare trouble like this, do not meet user's custom.Secondly, for international roaming, since the international long-distance calling dial mode difference of country variant, the dial-up issue when this method can not solve user international roaming.In foregoing example, write down the number 00 86 755 287890808 of local user B in the numbering directory of user A mobile phone, comprising Chinese international long-distance calling prefix, the country code of China, the trunk code in Shenzhen.If user A roams in the network of France, initiate calling by telephone directory book operation to user B, can't set up with the normal of user B and be connected, because this moment, correct dial mode was 19 86 755287890808.
Therefore, the user is roaming in addition in the guard station, during number in the call number book, because the change of dial mode, the number that writes down in required number of dialing of user and the numbering directory may there are differences, at this moment, and perhaps according to the record in the dial mode modification telephone directory book on current roaming ground, perhaps from numbering directory, search memory user's number, make a call according to suitable prefix and the called number of the manual input of the dialing rule of roaming place then.If the record in the modification telephone directory book, when the user returns the guard station, amendment record once more also.
For the personnel that do much traveling, by changing the number in the telephone directory book, the process of perhaps need above-described inquiry earlier, remembering, Enter Number by hand again more again, it is all cumbersome to operate.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of portable terminal to discern the method for roaming position automatically, makes portable terminal can identify current roaming position automatically.
Another object of the present invention is that portable terminal is adjusted the desire exhalation called number that extracts from numbering directory automatically according to the roaming position that identifies, and makes the user easy to operate.
Realize that portable terminal discerns the method for roaming position automatically, stored position information in portable terminal at first, this method also needs following steps:
A, portable terminal receive the present position-region information that network side sends by common signal channel;
B, location area information that receives and the positional information of self storing are compared, determine current roaming position.
Wherein, the positional information of storing in the described portable terminal comprises: the position area list of MCC national code correspondence table, user resident, wherein, contain the country code MCC of mobile communications network and the corresponding relation of country code CC in the described MCC national code correspondence table.
Wherein, when network was the GSM network, described location area information was Location Area Identification LAI; Described position area list is the LAI allocation table.Wherein, network is a cdma network, and described location area information is the array sign that system identification SID and NID NID form; Described position area list is the allocation table of SID and NID.
Realize that portable terminal adjusts the method for desire exhalation called number automatically, stored position information in portable terminal at first, further comprising the steps of:
A, portable terminal receive the present position-region information that network side sends by common signal channel;
B, location area information that receives and the positional information of self storing are compared, judge current roaming position;
C, portable terminal are according to the roaming position of judging, and it is the number exhalation of reference area that the called number that the current desire that will extract from telephone directory book is breathed out is revised as with the current location.
Wherein, when described portable terminal current roaming position is international roaming, the described called number that extracts is revised as with the current location of step C is that the number of reference area specifically comprises: judge whether the called number that is extracted is the number of current roaming state, if then the called number that extracts is revised as the called number that contains user of current roaming state country code CC; Otherwise, the called number that extracts is revised as the called number that contains current international long-distance calling prefix, user resident country code CC.
Wherein, whether the called number that described judgement is extracted is that the method for current roaming state number specifically comprises: the called number that desire that will read from telephone directory book, current is breathed out removes international long-distance call out prefix after, whether the country code CC that judges this called number is identical with the corresponding country code CC of the MCC that extracts from the location area information that receives, if identical then is the number of current roaming state, otherwise be the number of non-current roaming state.
Wherein, when described portable terminal current roaming position is National roaming, the described number that extracts is revised as with the current location of step C is that the number of reference area specifically comprises: judge whether the called number that is extracted is the guard station fixed telephone number, if then the called number that is extracted is revised as the called number that contains prefix number.Wherein, described prefix number is made up of domestic trunk call prefix and guard station area code; Described prefix number is made up of IP prefix, domestic trunk call prefix and guard station area code.
Wherein, when number comprises the fixed telephone number of mobile number, the fixed telephone number of being with the IP prefix, guard station in the telephone directory book, described judging whether specifically comprises by the method for guard station fixed telephone number: at first filtered out mobile number according to extracting first two features of called number, judge then whether the number after the screening has the IP prefix, if do not have, then be the guard station fixed telephone number, otherwise be non-guard station telephone number.
By said method as can be seen, the present invention can make portable terminal automatically identify the present located roaming position, and can judge is international roaming or National roaming state.When the memory space of portable terminal is enough big, in the time of can storing the LAI tabulation of whole country, even can accurate recognition go out the roaming city at current place.
The present invention is automatically identifying on the basis of current roaming position, can will be adjusted into suitable number automatically from the number that telephone directory book extracted, and simplifies user's call operation process.For example can adjust the number that extracts in the telephone directory book automatically according to international roaming or National roaming state.Automatically adjust international long-distance during international roaming and call out prefix, increase country code, trunk code; Be adjusted into the telephone number that has guard station area code and trunk prefix during National roaming.When making the phone of mobile subscriber in roaming the time dials phone number book, do not need the user according to the manual dialing of the dial mode of locality or revise the record of telephone directory book, simplified user's operation.Can also in dialing, add the IP prefix number automatically in addition, to realize user's different requirements.
Description of drawings
Fig. 1 is the flow process of identification self roaming position.
Fig. 2 dials the flow process of guard station fixed line during for National roaming.
Fig. 3 dials the flow process of guard station the country one belongs to and roaming country number for international roaming.
Embodiment
In global system for mobile communications (GSM), the coverage of a local network is corresponding to several lane place, and each lane place is made up of some sub-districts.The lane place is used for the position of identifying user.There is a globally unique sign each lane place---Location Area Identification (LAI, Location AreaIdentification).Being constructed as follows of Location Area Identification: LAI=MCC+MNC+LAC.Wherein, MCC is the country code of mobile communications network, is used for distinguishing the home country of this network; MNC is the mobile communications network code, distinguishes the different mobile communications network in the country; LAC is the lane place code, is used for the diverse location district of recognition network.Therefore LAI can be used for unique identification and goes out a lane place in the different network of country variant.Wherein the LAI information from base station is broadcasted on Broadcast Control Channel (BCCH), and the portable terminal in the base station overlay area can receive this LAI information.Below be that mobile phone is an example with the portable terminal.
The long-distance dividing region of phone generally with the lane place correspondence, general corresponding several position district, a long-distance zone, promptly a trunk code correspondence several LAI.In mobile phone, store the LAI tabulation of user net area correspondence in advance, and utilize the international mobile subscriber identity (IMSI) that has existed in the subscriber identification module (SIM), customer location is discerned.Wherein, IMSI is made up of MCC, MNC, mobile client identification code (MSIN).
MCC among MCC among the LAI and the user IMSI is compared, just can determine whether this mobile phone is in the international roaming state, with the LAI that receives LAI tabulation comparison, just can determine the current National roaming state that whether is in of mobile phone with the user net area of storage.Fig. 1 with reference to Fig. 1, below specifies the method for handset identity self roaming position for the flow process of identification self roaming position.
Step 101: stored position information in mobile phone in advance comprises: MCC national code correspondence table, user resident area code, LAI tabulation, and positional information can be upgraded as required.Ginseng is shown in Table 1, and MCC national code correspondence table has been described MCC and country code (CC, Country Code) and international long-distance and called out the corresponding relation of prefix.Consider the capacity of mobile phone, can be according to user's needs, in the LAI tabulation only storage often go on business with the LAI of user resident.When development in science and technology has when enough big to the memory capacity of mobile phone, can store domestic all LAI tabulation in the mobile phone.What establish storage in this example is user resident LAI tabulation.
Step 102: mobile phone is by the LAI information of BCCH channel reception base station broadcast, and note is made LAIs here, and therefrom extracts MCC and LAC information, and note is made MCCs and LACs here.According to the LAI of GSM numbering regulation, MCC is preceding 3 bit digital, and MNC is 2 bit digital that are right after, and LAC is the BCD coding of one 2 byte being right after.Therefore extracting preceding 3 of LAIs can obtain MCCs.
Step 103: according to the MCCs among the LAIs, the user resident LAI of the IMSI of mobile phone and storage tabulates, and determines the roaming state of mobile phone.
Judge by the IMSI in LAIs and the SIM cards of mobile phones that at first if the value of MCCs is identical with MCC among the user IMSI, then the user is in non-international roaming state belonging to state; If inequality, then be in the international roaming state.Wherein, the MCC among the user IMSI is designated as MCCIMSI.
If non-international roaming, then the LAIs that judge to receive again whether in the user resident LAI of mobile phone storage tabulation, if, then mobile phone is in non-roaming state, otherwise is the National roaming state.
If the international roaming state retrieves user the country one belongs in the MCC national code correspondence table that then can further MCCs be stored in mobile phone, determine the residing roaming country of user.
Use above method, terminal can analyze the present located roaming state automatically, can carry out follow-up operation according to residing roaming state then.For example, can adjust the number that extracts automatically from the Mobile Directory Number book, it is the number exhalation of reference area that the number that extracts in the telephone directory is revised as with the current location.Below be in roaming state with the user, the number that will extract from telephone directory book is adjusted into suitable number and is sent as example automatically, and the method for adjusting dialing at mobile phone automatically is described.
Fig. 2 dials the flow process of guard station fixed line during for National roaming, adds automatically in this example to dial the IP prefix, and roaming into Beijing with Shenzhen user of China Mobile, to dial the fixed telephone number in Shenzhen, guard station be example, and with reference to figure 2, the present invention is described in detail.
Store following data at mobile phone in advance: the correspondence table of MCC country code, the LAI of guard station tabulation, domestic trunk call prefix, guard station area code, in this example, the domestic trunk call prefix of China is 0, the trunk code 755 in Shenzhen, and the IP access code of China Mobile is 17951.Suppose to have in the user mobile phone telephone directory book toll number 17951XXXXXXXXXXX of guard station number 88888888, phone number 13XXXXXXXXX and the band IP prefix of the area code be not with.
At first identify roaming state according to above-mentioned steps 101-103, as this example, roaming state is a National roaming.After identifying mobile phone present located roaming state, the called number that extracts from numbering directory is adjusted, it is the number exhalation of reference area that the called number that extracts is revised as with the current location, may further comprise the steps.
Step 201: judge whether the called phone number that mobile phone reads is the fixed line telephone number of user resident from telephone directory book, if execution in step 202 then; Otherwise withdraw from this routine flow process, called number is not dealt with.
At the user of this routine China Mobile, the method for judgement is: the first two digits of analyzing number.If first two of number is 13, then is mobile phone, withdraw from this flow process; Otherwise judge further whether called be the fixed telephone number of guard station: judge whether the telephone number figure place that reads has IP prefix 17951, if having, then is non-guard station telephone number, withdraws from this flow process, otherwise is guard station fixed line number, execution in step 202.
Wherein, method recited above also can be crossed according to IP calling prefix earlier and filter non-guard station number, crosses according to the first place of Mobile Directory Number and filters mobile number.
Step 202: guard station area code, the IP prefix of reading pre-stored on mobile phone, and the telephone number that will read from telephone directory book is revised as " IP prefix+domestic trunk call prefix+guard station area code+telephone number ", be modified to 17951075588888888 as called number, this number is delivered to mobile switch as the called number of reality.
As can be seen, whether be in the position of roaming by judging the user, the guard station number that the user is extracted has increased IP prefix 17951, trunk call prefix 0 and user resident area code 755 automatically, and it is more convenient to make the user dial the guard station number when roaming.
Below again for the embodiment of an international roaming, the present invention is described in detail.
In mobile phone, store a MCC country code correspondence table in advance in advance, as shown in table 1 below.Stored the country code MCC of mobile communications network in the table, the country code CC of corresponding telephone network, the international call prefix of this state, last row of this table are for clarity and the remarks of doing do not need storage.The size of table can be reduced according to user's needs, only keeps and the information of subscriber-related country.When mobile phone is in international roaming, can judge the country of user of current roaming according to the MCCs that LAIs comprised that receives, according to the calling dial mode of setting the number that reads out from telephone directory book is adjusted at this state, change the prefix of international call, automatically add or delete international long-distance calling prefix and corresponding country code (Country Code), simplify user's operating process.
| The country code of mobile communications network (MCC) | International long-distance is called out prefix | Country code (Country Code) | Remarks |
| ??460 | ??00 | ??86 | China |
| ??461 | ??00 | ??86 | China |
| ??234 | ??00 | ??44 | Britain |
| ??244 | ??990 | ??358 | Finland |
| ??240 | ??009 | ??46 | Sweden |
| ??208 | ??19 | ??33 | France |
| ??.... | ??.... | ??.... | ????.... |
Table 1
The flow process of guard station the country one belongs to and roaming country number is dialed in Fig. 3 international roaming, and it is the number exhalation of reference area that the called number that will extract from telephone directory book is revised as with the current location.Below roam into France with Chinese user, the telephone number of calling out Britain in the Mobile Directory Number book, France, China is that example describes.These numbers serve as with reference to ground record storage with user's guard station in the Mobile Directory Number book in advance, are respectively 00447966525248,0033149010834,287890808, are described as follows:
Britain's number 00447966525248, this is a Mobile Directory Number, wherein, international long-distance is called out prefix 00, Britain's country code 44, Britain's national number 7966525248; The number 0033149010834 of current roaming state France, wherein, international long-distance is called out prefix 00, French country code 33, French national number 149010834; The landline telephone 287890808 in user resident Shenzhen.
At first identifying roaming state according to above-mentioned steps 101-103, is 208 as this routine MCCs, MCC
IMSIBe 460, judge the value of MCCs and the middle MCC of user IMSI
IMSIDifference, the user is at the international roaming state.According to the present residing international roaming state of mobile phone, adjust the called number that extracts then, may further comprise the steps.
Step 301: analyze whether the telephone number that reads is the international long-distance number from telephone directory book, analysis mode is as follows in this example, if being arranged, international long-distance calls out prefix ' 00 ', it then is the international long-distance number, the deletion international long-distance is called out prefix, for example for English, method number, execution in step 303 then; Otherwise be not the international long-distance number, as calling out Shenzhen landline telephone, then execution in step 302.
Step 302: called number is the number of user resident country, automatically number is revised as: country code+trunk code+user's fixed telephone number or country code+user's Mobile Directory Number.The number in Shenzhen is modified in this example: 86755287890808.May further comprise the steps:
Step 3021: judge according to the described mode of last routine step 201 whether this number is mobile phone, if, execution in step 3023, if not, called number is a fixed telephone number, execution in step 3022.
Step 3022: whether have the trunk code prefix according to number, judge number whether the national distance of user resident state still be the local call of user resident.If called number is the domestic trunk call of user resident state, deletion domestic trunk call prefix 0, execution in step 3023, otherwise called number is the number of user resident, adds the guard station trunk code of storing in the mobile phone in front, execution in step 3023 then.
Step 3023: according to the MCC among user's the IMSI
IMSI, search MCC country code correspondence table, can obtain the country code of user resident country, this country code is added on number before, in this example, MCC
IMSIBe 460, before obtaining country code 86 and being added on number, execution in step 303 then.
Step 303: according to the MCCs that LAIs carries, search MCC country code correspondence table, obtain international long-distance and call out prefix, be added on number before.For example, this example is added international long-distance calling prefix 19.
Step 304: number is delivered to call processing program, sends to mobile switch.In this example, to write down in the Mobile Directory Number book 00447966525248,0033149010834,287890808 when breathing out, the number that sends to mobile switch is respectively: 19447966525248,1933149010834,1986755287890808.
It should be noted that in this example, the user be China the user, to the telephone number of storing in the telephone directory book analyze employing be China dialing rule.The number analysis that the user the was suitable for rule of country variant may be different.
Said method also is applicable to cdma system, and its principle also is the same.Difference is to have used in the cdma system parameter different with gsm system to describe the statement area of coverage, that is: system identification (SID) and NID (NID).SID is used for identifying a system, NID is used for identifying a network, wherein network is the subclass of system, and array (SID, NID) sign is used for representing a lane place, be equivalent to the lane place identification code LAI among the GSM, be used for describing the zone: user's ownership place, the country of ownership etc., the position area list that ginseng is shown in Table 2, (SID, NID) corresponding relation of array and country have been shown.
| ????SID | ??NID | ????MCC | Country |
| ????2176～2303 | ??- | ????450 | Korea S |
| ????23680～23953 | ??- | ????208 | France |
| ????25600～26111 | ??- | ????460～461 | China |
| ????13568～14335 | ??.... | ????460～461 | China |
| ????.... | ??.... | ????.... | ????.... |
Table 2
Need to prove that MCC is also arranged in the broadcast message of cdma system,, can just can realize by analyzing MCC iff being to judge which country current roaming ground is, can certainly pass through in the analysis broadcast message (SID, NID).For less roaming range, by in the broadcast message (NID SID) just analyzes and can identify random zone, therefore in cdma system to (NID, analysis SID) is the general method that has more of judging roaming.
The above only is preferred embodiment of the present invention, and is in order to restriction the present invention, within the spirit and principles in the present invention not all, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (11)
1, a kind of portable terminal is discerned the method for roaming position automatically, it is characterized in that, and stored position information in portable terminal, this method may further comprise the steps:
A, portable terminal receive the present position-region information that network side sends by common signal channel;
B, location area information that receives and the positional information of self storing are compared, determine current roaming position.
2, method according to claim 1, it is characterized in that, the positional information of storing in the described portable terminal comprises: the position area list of MCC national code correspondence table, user resident, wherein, contain the country code MCC of mobile communications network and the corresponding relation of country code CC in the described MCC national code correspondence table.
3, method according to claim 2 is characterized in that, when network was the GSM network, described location area information was Location Area Identification LAI; Described position area list is the LAI allocation table.
4, method according to claim 2 is characterized in that, network is a cdma network, and described location area information is the array sign that system identification SID and NID NID form; Described position area list is the allocation table of SID and NID.
5, a kind of portable terminal is adjusted the method for desire exhalation called number automatically, it is characterized in that, and stored position information in portable terminal, this method may further comprise the steps:
A, portable terminal receive the present position-region information that network side sends by common signal channel;
B, location area information that receives and the positional information of self storing are compared, judge current roaming position;
C, portable terminal are according to the roaming position of judging, and it is the number exhalation of reference area that the called number that the current desire that will extract from telephone directory book is breathed out is revised as with the current location.
6, method according to claim 5 is characterized in that, when described portable terminal current roaming position was international roaming, the described called number that extracts is revised as with the current location of step C was that the number of reference area specifically comprises:
Judge whether the called number that is extracted is the number of current roaming state, if then the called number that extracts is revised as the called number that contains user of current roaming state country code CC; Otherwise, the called number that extracts is revised as the called number that contains current international long-distance calling prefix, user resident country code CC.
7, method according to claim 6, it is characterized in that, whether the called number that described judgement is extracted is that the method for current roaming state number specifically comprises: the called number that desire that will read from telephone directory book, current is breathed out removes international long-distance call out prefix after, whether the country code CC that judges this called number is identical with the corresponding country code CC of the MCC that extracts from the location area information that receives, if identical then is the number of current roaming state, otherwise be the number of non-current roaming state.
8, method according to claim 5 is characterized in that, when described portable terminal current roaming position was National roaming, the described number that extracts is revised as with the current location of step C was that the number of reference area specifically comprises:
Judge whether the called number that is extracted is the guard station fixed telephone number, if then the called number that is extracted is revised as the called number that contains prefix number.
9, method according to claim 8 is characterized in that, described prefix number is made up of domestic trunk call prefix and guard station area code.
10, method according to claim 8 is characterized in that, described prefix number is made up of IP prefix, domestic trunk call prefix and guard station area code.
11, method according to claim 8, it is characterized in that, when number comprises the fixed telephone number of mobile number, the telephone number of being with the IP prefix, guard station in the telephone directory book, described judging whether specifically comprises by the method for guard station fixed telephone number: at first filtered out mobile number according to extracting first two features of called number, judge then whether the number after the screening has the IP prefix, if do not have, then be the guard station fixed telephone number, otherwise be the telephone number of non-guard station.
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