Telit Wireless Solutions Easy GPRS

Easy GPRS User Guide

80000ST10028 Rev. 0 - 02/01/07

Í LCP Configure Acknowledge

Î PAP Authentication

Í PAP-Ack

Î NCP (IP) Configure Request

Í NCP (IP) Configure Acknowledge

At this point the TCP/IP - PPP protocol stack is up and data packets can be exchanged.

NOTE: Explanation of TCP/IP and PPP protocol stack is beyond the scope of this document. Further

information on the LCP protocol and PPP protocol definition can be found in the RFC1661. Further

information on the PAP protocol definition can be found in the RFC1334. Further information on the

IPCP protocol definition can be found in the RFC1332.

NOTE: The CONNECT result code is raised before complete GPRS connection establishment.

Contents

Main Easy GPRS User Guide Page Contents Page Page 1.1.1 CSD application example 1.1.2 GPRS application example 1.2 Preliminary GPRS context parameters setting 1.2.1 Context parameter setting AT+CGDCONT[=[<cid>[,<PDP_type>[,<APN>[,<PDP_addr>[,<d_comp>[,<h_comp>[,<pd 1>[,[,pdN]]]]]]]]]]<cr> 1.2.2 Minimum Quality of the Service Requested AT+CGQMIN=<cid>,<precedence>,<delay>,<reliability>,<peak>,<mean><cr> Page 1.2.3 Requested Quality of the Service AT+CGQREQ=<cid>,<precedence>,<delay>,<reliability>,<peak>,<mean><cr> Page 1.3 GPRS context activation and data state entering ATD*99***<cid>#<cr> Page 1.4 GPRS data state exit send escape sequence: +++ send command ATH<cr> Page 2.1.1 Easy GPRS Outgoing connection 2.1.1.1 Configuring the GPRS access 2.1.1.2 Configuring the embedded TCP/IP stack 2.1.1.3 Saving settings for the Internet peer to be contacted 2.1.1.4 Request the GPRS context to be activated 2.1.1.5 Open the connection with the internet host 2.1.1.6 Close the Socket without deactivating the context 2.1.2 Easy GPRS Incoming Connection 2.1.2.1 Defining the Internet Peer that can contact this device (firewall settings) 2.1.2.2 Request the socket connection to be opened in listen 2.1.2.3 Receiving connection requests 2.1.3 FTP Client 2.1.4 Email Client 2.1.5 Known limitations 2.2 FTP OPERATIONS 2.2.1 Opening and Closing an FTP Connection 2.2.2 Setting the FTP Transfer Type 2.2.3 FTP File transfer to the server 2.2.4 FTP File download from the server Page 2.3 Examples1 2.3.1 Easy GPRS - HTTP client application Page 2.3.2 Easy GPRS - EMAIL sending application Page 2.3.3 Easy GPRS -EMAIL receiving application Page 2.3.4 Remote connection between two modules Page 3 List of acronyms 4 Document Change Log