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85
AT Command Reference Guide of Module Product
ME3630
dynamic address will be requested.
The allocated address may be read using the +CGPADDR command.
<d_comp>: a numeric parameter that controls PDP data compression
0 - off (default if value is omitted)
1 - on (manufacturer preferred compression)
2 - V.42bis
<h_comp>: a numeric parameter that controls PDP header compression (refer 3GPP TS 04.65)
0 – off (default if value is omitted)
1 – on (manufacturer preferred compression)
2 – RFC1144
3 – RFC2507
4 - RFC3095 (applicable for PDCP only)
<pd1> … <pdN>: zero to N string parameters whose meanings are specific to the <PDP_type>
Example
AT+CGDCONT?
+CGDCONT: 1,"IP","uninet","0.0.0.0",0,0
OK
8.2.
AT+CGATT PS attach or detach
The execution command is used to attach the MT to, or detach the MT from, the Packet Domain service.
Any active PDP contexts will be automatically deactivated when the attachment state changes to detached.
The read command returns the current Packet Domain service state.
The test command is used for requesting information on the supported Packet Domain service states.
Command
Response
+CGATT=[<state>]
<CR><LF>OK<CR><LF>
or
<CR><LF>+CME ERROR: <err><CR><LF>
+CGATT?
<CR><LF>+CGATT: <state><CR><LF>
<CR><LF>OK<CR><LF>
+CGATT=?
<CR><LF>+CGATT: (list of supported <state>s) <CR><LF>
<CR><LF>OK<CR><LF>
Parameter
<state>: indicates the state of PS attachment
0 – detached
1 – attached
Example
AT+CGATT?
+CGATT: 0
OK