Specifications

SIM900 AT Command Manual
SIM900_AT Command Manual_V1.03 157 12/24/2010
Parameter
<state> indicates the state of GPRS attachment
0 detached
1 attached
Other values are reserved and will result in an ERROR response to the
Write Command.
Reference Note
7.2.2 AT+CGDCONT Define PDP Context
AT+CGDCONT Define PDP Context
Response
+CGDCONT: (range of supported <cid>s),<PDP_type>,,,(list of
supported<d_comp>s),(list of supported<h_comp>s)
[<CR><LF>+CGDCONT:
(range of supported <cid>s), <PDP_type>,,,(list ofsupported
<d_comp>s),(list of supported <h_comp>s) [...]]
OK
Test Command
AT+CGDCONT
=?
Parameters
See Write Command
Response
+CGDCONT:
<cid>,<PDP_type>,<APN>,<PDP_addr>,<data_comp>,<head_comp>
[<CR><LF>+CGDCONT:
<cid>,<PDP_type>,<APN>,<PDP_addr>,<data_comp>,<head_comp>
[…]]
OK
Read Command
AT+CGDCONT
?
Parameters
See Write Command
Response
OK
ERROR
Write Command
AT+CGDCONT
=<cid>[,<PDP_ty
pe>,[APN>[,<PD
P_addr>[,<d_co
mp>[,<h_comp>]
]]]]
Parameters
<cid> (PDP Context Identifier)
1 PDP Context Identifier 1
Definition stored in non-volatile memory
2 PDP Context Identifier 2