From: China Mobile Communication Forum
I. CDMANetwork
China Unicom announced the large-scale development of CDMA networks and explicitly proposed the implementation of SIM card functions similar to the GSM system in the CDMA system. This action immediately aroused strong repercussions at home and abroad. In China,
will understand.
Does the charm Blue e have the telecommunication edition? Charm Blue E Network format
In the past, most of the blue mobile phone only mobile and unicom version, so now the charm of Blue E has a telecommunications version? Do you support telecom 4G network? At the end of the article we will look at the Phantom Blue E Network parameters detailed.
Since the beginning of this year, the charm of blue mobile phone to achieve a full range of netcom, the cha
as a microSD expansion card, and if you are a Tanka user, you can combine a single SIM card +MICROSD expansion card scheme, as shown in the figure.
Glory Note8 Card Loading steps:
First, the Glory Note8 mobile phone shutdown;
Second, the use of the bo
cards must be mobile or unicom. and mobile, Unicom card does not have this limit, this is the current telecommunications users only need to remember a place.
The following is the details of the Samsung NOTE7 network format.
4G Network support: Mobile 4G Td-lte, Unicom/Telecom 4G Td/fdd-lte, and also support the three major operators 4g+ network format.
3G Network support: Mobile 3G TD-SCDMA, Unicom 3G WCDMA, telecom 3G EVDO
modify the recipient cache, reset the flag bit, the process is over.The SMS sends the Presendsmsworker function first, and then plays the Sendsmsworker function in the Presendsmsworker function.
private void Sendsmsworker (String msgtext, String semiseprecipients, long threadId) {
...
Messagesender sender = new Smsmessagesender (Mcontext, dests, Msgtext, threadId);
Sender.sendmessage (threadId);
......
}
The Smsmessagesender.java class, under Mms/transaction, i
Reprint Address: http://blog.csdn.net/sunxingzhesunjinbiao/article/details/7021328
AndroidAcquisition of the local number and SIM card status
Telephonymanager This class is useful and can get a lot of information about mobile phones and SIM cards.Immediately after the comment code, please enjoy
Package Net.sunniwell.app;Import Android. App. activity;Import a
Android Get SIM card operator informationTelephonymanager TM = (Telephonymanager) context.getsystemservice (Context.telephony_service); Telephonymanager uses Telephonymanager to provide access to information about the communication service on the device, and the application uses this class of methods to obtain a service provider or status for the phone. The program can also register a listener to monitor ph
Android gets SIM card carrier Information
Telephonymanager TM = (telephonymanager) Context. getsystemservice (context. telephony_service );Use of telephonymanagerTelephonymanager provides the entry for obtaining Communication Service Information on the device. The application uses this method to obtain the service provider or status of the phone. The program can also register a listener to listen for change
the SIM card slot replacement for microSD card slot use.
The following network support for each version
Telecom Edition (supporting dual SIM): Network mode: Main card: Telecom 4G (Tdd-lte, Need to use telecom 4G card)
Mobile phone and SIM card together constitute mobile communication terminal equipment. Whether GSM or CDMA systems, digital mobile phone users in the "network" will be a SIM card (subscriberidentitymodule) or Uim card (useridentit
Android development-Get mobile phone SIM card information, androidsim
TelephonyManager is a service class that manages the call status and network information of a mobile phone. It provides a large number of getXxx () methods to obtain information about the telephone network.
TelephonyManager class overview:
It can be used to access telephone service information on a device. Applications can use this class
("46002″) | | Operator.equals ("46007″)") {China Mobile}Else if (operator.equals ("46001″)") {China Unicom}Else if (operator.equals ("46003″)") {China Telecom}}Add permissions in file Androidmanifest.xml Other ways to use this method please see the instructions in the API documentation Telephonymanager.Add permissions in file Androidmanifest.xml Function descriptionGetcelllocation () returns the cell position of the appliance access_coarse_location or access_fine_locationGetdeviceid () returns
Today, let's take a look at another important class in the SIM card startup process, Ril.java
First, enter the Ril.java file
/**
* RIL implementation of the Commandsinterface.
*
* {@hide} */
/Leo, you need to be aware of this place, inherit from Basecommands, implement Commandsinterface interface public
final class RIL Extends Basecommands implements Commandsinterface {
...
}Note that this class is
ADN format
ADN is stored in 3f00/7f10/6f3a under the SIM card. The record format is 14 at the minimum, and the maximum value is 255 (?), The maximum number of records is 255 (?)
The last 14 bytes are mandatory. The first 12 bytes are phone numbers, the last is ext1, and the last is ccp1.
If the length is more than 14, the name of the user stored in the front is stored. If it starts with 80, 81, and 82, the
// ------ The bit3-bit0 is NPI (numbering-plan-identification), NPI has a value only when ton is 000,001,010, the other should be 0000, the value is 0 0 0 1, indicating ISDN/telephone numbering plan
// -------------------- TON-NPI ------------ the end
// ---- 00 TP-PID
// -------------------- TP-PID ------------ start
// ------ Bit7, bit6 is 0 0
// ------ Bit5-bi50 is 0 0 0 0 0 0 represents Short Message Type 0
// -------------------- TP-PID ------------ the end
// ---- 00 is a T
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