  GPRS-   
      GPRS-   ,    ,              AT+CGDCONT.
 ,      -     ,   GPRS    (     ).      .   .
,   AT- GPRS1. 2    AT+CGDCONT=<cid>,<PDP_type>,<APN>:
cid (Context identifier) -     ;
PDP_type (Packet data protocol type) -   ( "IP");
APN (Access point name) -    (, "internet.mts.ru").
 ,   AT+CGDCONT=1,"IP","internet.mts.ru"        1.
   ?        *99***1#.     ATD*<GPRS_SC>***<cid>#   GPRS:
GPRS_SC -  ,   99 (     GPRS,    );
cid -     .
 ,    *99***1#        .  ,   1   ,            *99# -    *99***1#.
   ,      3      GPRS       <cid>   .
,   GPRS-,         (, ,  APN   )4:
AT+CGDCONT=1,"IP","internet.mts.ru";+CGDCONT=2,"IP","internet.beeline.ru"
 ,         *99***1#,   *99***2#.   .
-----
1.    AT-  GSM-     European Telecommunications Standards Institute. http://www.etsi.org
2. ,   ,    (        ).
3.       (1  2).          ,   AT+CGDCONT=?.       "IP"    . ,   "+CGDCONT: (1-2),"IP",,,(0),(0)" ,     .
4.  ,       AT-  ,   ,   AT-         ,    ";".
- - - - -
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 ?
http://brause.ru/index.php?stat=mobnet1
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