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Summary of Contents for Sony Ericsson GPRS and TCP-IP with the SEM GSM modules
- Page 1 Application Note Using GPRS and TCP-IP with the SEM GSM modules...
- Page 2 First edition (August 2003) Sony Ericsson Mobile Communications. publishes this manual without making any warranty as to the content contained herein. Further Sony Ericsson Mobile Communications. reserves the right to make modifications, additions and deletions to this manual due to typographical errors, inaccurate information, or improvements to programs and/or equipment at any time and without notice.
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Page 3: Table Of Contents
Using GPRS and TCP/IP stack with SEM GSM modules Contents INTRODUCTION........................4 OVERVIEW OF THE GSM/GPRS SYSTEM ................. 5 ..................5 MODULE AND APPLICATION GSM/GPRS ..................... 5 NETWORK APN..........................5 DHCP ......................... 5 SERVER ......................... 5 NTERNET ........................5 EB SERVER MODES OF OPERATION...................... -
Page 4: Introduction
Using GPRS and TCP/IP stack with SEM GSM modules Introduction The GSM/GPRS system allows direct access into the internet enabling M2M applications to interface to web servers rather than going through the PSTN which gives faster and cheaper communications with greater flexibility. -
Page 5: Overview Of The Gsm/Gprs System
Using GPRS and TCP/IP stack with SEM GSM modules 2 Overview of the GSM/GPRS system In Figure 1 a simplified diagram of the overall system is shown, the major components of these are explained below. 2.1 GSM module and application This is a GSM module with or without TCP/IP stack on board. - Page 6 Using GPRS and TCP/IP stack with SEM GSM modules Figure 1 GSM/GPRS LZT 123 7699 R1A...
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Page 7: Modes Of Operation
Using GPRS and TCP/IP stack with SEM GSM modules 3 Modes of operation When using GPRS with the SEM modules some units have an embedded TCP/IP stack others do not, theses are listed below:- Units without the TCP/IP stack - GM29 - GM41 - GM47/GM48 Units with the TCP/IP stack... -
Page 8: Gsm Units With Tcp/Udp/Ip Stacks
Using GPRS and TCP/IP stack with SEM GSM modules 2. Install the modem onto the PC using the latest modem driver that can be downloaded from the internet. 3. Set up a dial up networking session using the modem that you have just installed. -
Page 9: Practicalities Of Using Gprs
Using GPRS and TCP/IP stack with SEM GSM modules 4 Practicalities of using GPRS Below are a number of points that need to be considered when using GPRS 4.1 Connection timing When using GPRS with a session running most service providers will monitor the traffic flow, if there is none for a predetermined period of time then it will shut the connection down at either the DHCP server or the APN, this is performed so that system resources are not taken up... -
Page 10: Tcp And Udp Protocols
Using GPRS and TCP/IP stack with SEM GSM modules 4.4 TCP and UDP protocols The two main protocols that the unit supports are TCP and UDP a brief explanation about each is given below. TCP – This provides a reliable connection to another point in the network i.e. -
Page 11: References
Using GPRS and TCP/IP stack with SEM GSM modules 5 References Most official documentation about TCP/IP is available as RFC’s from http://www.ietf.org and they can provide essential technical background for anyone requiring a deeper understanding of TCP/IP. A small sample of the more pertinent RFC’s and their titles are outlined below but many more are available.
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