Справочник Пользователя для Telit Wireless Solutions Easy GPRS

 
 
 
 

 
 

80000ST10028 Rev. 0 - 02/01/07  

  

Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved 

 

page 4 of 35 

 

1 GPRS 

Operations 

1.1  Introduction 

 
The General Packet Radio Services (GPRS) standard permits DATA transfers in a completely 
different way with respect to previous point to point communications made with Circuit Switch Data 
(CSD) GSM modems. 
In CSD operations the modem establishes a connection with the other party (another modem) in such 
a way that all the Network devices in between are transparent to the data exchanged, simulating a real 
point to point connection, just as if the other party is directly connected with the controlling application 
of the modem. The other party can be either an Internet Service Provider (ISP) or a private server, but 
in any case, the arrival point must have a modem to connect to (Landline, ISDN or GSM CSD). The 
connection establishment procedure defines a particular path where all the information exchanged