gprs tutorial

. Net CF's httpwebrequest automatically sets up a GPRS connection for Web requests/Web services when a wired/wi-fi connection is not available. therefore, when you do a Web request or consume a web service, developers do not need special coding to handle the GPRS connection case. this does not apply to lower level socket classes like tcpclient and udpclient. with these classes, you wowould need to use the C

Many communication modules made based on sim300 are used in engineering. The following summarizes the AT Instruction Set Application Methods for network communication. 1. preparation steps: test whether the GPRS module and service are easy to useAt // test whether the network connection is complete At + CCID // check whether a SIM card is installed At + cgmr // check software version. GPRS function support

A recent program to write a medical program, using Windows Mobile to do communications, requires that the data from the phone's end be sent over GPRS to a server on the public web. Data transfer I used the socket, with data line +activesync debugging through, normal data transmission, in preparation for the software to be submitted to the Quality Inspection department, with the real GPRS to do the communica

TBF (Temporary Block flow) is the start and end of a session on behalf of the user, we are in the statistics of GPRS traffic, is often concerned about PDCH traffic and tch and PDCH conversion (if the device supports conversion), To assess whether the community is busy or busy, macro analysis, so that it can characterize a community of busy and busy, but does not represent the user in the use of the real feeling of

China Mobile's GPRS network uses the APN method to connect to the GPRS device terminal and communicate with the server through the APN. The customer purchased the Cisco 2811 router, and the mobile company needed to pull the optical fiber through the E1 port, I spent more than 1000 RMB with an E1 module. mobile companies are doing very poorly, and optical fiber connectors are not provided at all. I also boug

The NMEA data is as follows:$ Gpgga, 121252.000, 3937.3032, N, 11611.6046, E, 2.0, 45.9, 5.7, M,-0000, M, * 77$ Gprs mc, 121252.000, A, 3958.3032, N, 11629.6046, E, 15.15, 359.95, 070306, A * 54$ Gpvtg, 359.95, T, M, 15.15, N, 28.0, K, A * 04$ Gpgga, 121253.000, 3937.3090, N, 11611.6057, E, 1.2, 44.6, 5.7, M,-0000, M, * 72$ Gpgsa, A, 3, 14, 15, 05, 2.1, 18, 26, 1.2, 1.7 * 3D$ Gpgsv, 84,067, 67,067, 49,312, 47,231, 30*70$ Gpgsv, 32,199, 25,272, 21,140,

Article Title: how to use the GPRS module for dial-up Internet access in Linux. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source. In Linux, the gprs module is used for dial-up Internet access over the past few days. the module is mc39i of Siemens. my system is fedora core

/*** To set the data usage status, you need to sign the system according to the change * @ Param true: available, false: unavailable * @ return 0: Success-1: Failed */private int setmobiledataenabled (context context, boolean flag) {connectivitymanager CM = (connectivitymanager) context. getsystemservice (context. connectivity_service); Method setmobiledataenabl; try {setmobiledataenabl = cm. getclass (). getdeclaredmethod ("setmobiledataenabled", Boolean. class); setmobiledataenabl. invoke (CM,

I finally figured out how to send the MMS last month. I would like to thank the netizens who thought it was very helpful and other enthusiastic netizens. My main steps are:Generate the PDU of m_send.reqEstablish a GPRS connectionEstablish a TCP connection with the mobile MMS Gateway (Access Point: "cmwap" url: 10.0.0.172: 80)Send the m-send.req to the mobile gateway using the POST method of HTTP For more information about m-send.req, see oma-mms-enc-

/*** Determine whether the gprs network is enabled** @ Param inContext* @ Return boolean*/Public boolean isuplsactive (Context context){ConnectivityManager = (ConnectivityManager) context. GetSystemService (Context. CONNECTIVITY_SERVICE );NetworkInfo gprs = manager. GetNetworkInfo (ConnectivityManager. TYPE_MOBILE );DetailedState detailedState = gprs. getDetailed

Usually when learning GPRS or DTU, often do not have their own server, many times we can only use this module to make a phone call to send a message, but with the rise of mobile internet, all walks of life began to get mobile access. For this requirement, TCP Mobile Access is available here.Working principle Explanation (emphasis)The specific method is to connect the specified port of the designated server, of course, you need a step authentication lo

From: http://blog.csdn.net/ppCuda/archive/2010/01/03/5123011.aspx After more than one year, all of my WM5 batteries will be lost. Although some calibration tools appeared online, it seems to be useless to my Atom Exec. So on the basis of the previous version, automatic WIFI connection Internet time calibration and automatic GPRS time calibration were added. C # First, enable and disable the WIFI function. /// /// Set the WifI status, enable/disable///

From: http://www.jepstone.net/blog/2003/08/14/connecting-to-gprs-over-bluetooth-on-linux/ These are the notes I took to get this working today. I'll update it if ILearn anything new, because as with everything, there's probably an easier wayTo do this. I'm using a ThinkPad a20m, Mandrake 9.1, a socket Bluetooth card inA pcmcia caddy, and a Nokia 3650 with service from T-Mobile. A big thanks to Schuyler erle Who steered me inThe right direction on thi

Android wifi connection can receive data, gprs cannot, androidwifi Android can obtain files on the network in WiFi, but not GPRS. Cause:Static IP addresses must be used for access. Example:When downloading files stored in Alibaba Cloud direct-line cloud acceleration, ip addresses are dynamically allocated, and data cannot be obtained in the GPRS network enviro

For the experiment on using arm to control GPRS-General Linux technology-Linux programming and kernel information, see the following for details. Dear elders, I want to do an experiment now. the specific content is as follows: One GPRS template, one for the arm9-development board, Now I want to control GPRS through arm9-and call and send text messages through t

818 mobile phone GPRS settings Release: | shenlang network-mobile home: http://www.sinovtv.com | view: 1015 times New ConnectionNew ConnectionOn the homepage page, click Start-set-connection. Go to the connection settings page and select Add new modem connection. Enter the connection name (any name. We recommend using GPRS to connect to the Internet as the name) Click Select modem option, select the

Here we record whether the driver of the modem module works properly on a common Linux or Android smartphone platform in a quick way. Note that the program running depends on the cross compiler version. It must be a compiler with a serial library function, such as 2008q3. After compilation is completed, a series of options to be entered are displayed for testing projects. (1) Main Function // This is a test about GPRS # include Configure tty Function

Steps:1. Generate the bin file and place the bin file in the virtual host directory2. Make a PHP page block read the bin file, echo out with the ASC character, and mark the length of the tail and the checksum.3.GPRS protocol stack Connection host path, receive content, content parsing, verification, error saving to backup flash space4. After all save is done, make a logo in the parameters Flash area, waiting to reboot5. Do a bootloader, after the boot

Mobile phone using GPRS network and server socket Communication, code: http://download.csdn.net/detail/wu20093346/7768481Use the UDP protocol with the Socket debug tool to test.Socketactivity.java:Package Com.example.socket;import Java.net.datagrampacket;import Java.net.datagramsocket;import Java.net.inetaddress;import Android.os.bundle;import Android.app.activity;import Android.view.View;import Android.widget.button;import Android.view.view.onclickli

Using Microsoft. windowsmobile. configuration; Configuration management depends on Configuration Service Providers (CSP)Each CSP is a set of settings.Each set has an XML Example: CSP in the browser favorites folder You can use the following code to set the GPRS contact: Try{Xmldocument xmlpreferred = new xmldocument ();String A = getapplicationdirectory () + "// cmwap. xml ";Xmlpreferred. Load (); Configurationmanager. processconfiguration (xmlpreferr