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Author

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1		-XWiki.Xiaoling
	1	+XWiki.David

Content

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36	36	2. The network access time varies with the signal strength.
37	37
38	38	3. If you have not been able to access the network, please try to access the network manually.
	39	+
	40	+
	41	+(% style="color:blue" %)**3. Check the PS Attach or Detach  **
	42	+
	43	+(% style="color:#037691" %)**1) AT+CGATT?**
	44	+
	45	+(% style="color:#037691" %)**Response
	46	++CGATT: <state>
	47	+OK**
	48	+
	49	+(% style="color:#037691" %)**Write Command
	50	+AT+CGATT=<state>**
	51	+
	52	+(% style="color:#037691" %)**<state> Integer type. Indicates the state of PS attachment.
	53	+0 Detached
	54	+1 Attached**(%%)
	55	+
	56	+
	57	+**Note:Generally, when registering with an operator, attaching GPRS is automatic, and CGATT can manually attach the network.**
	58	+
	59	+
	60	+(% style="color:blue" %)**4. Check the signaling connection status:**
	61	+
	62	+(% style="color:#037691" %)**1) AT+CSCON?**
	63	+
	64	+(% style="color:#037691" %)**Response
	65	++CSCON: <n>,<mode>
	66	+OK**
	67	+
	68	+(% style="color:#037691" %)**<n> Enable/disable the URC.
	69	+0 Disable the URC
	70	+1 Enable URC +CSCON: <mode>
	71	+<mode>Signaling connection status.
	72	+0 Idle
	73	+1 Connected**
	74	+
	75	+
	76	+(% style="color:blue" %)**5. Check the PDP Context Activate/Deactivate**
	77	+
	78	+(% style="color:#037691" %)**1) AT+CGACT?**
	79	+
	80	+(% style="color:#037691" %)**Response
	81	+[+CGACT: <cid>,<state>]**
	82	+
	83	+(% style="color:#037691" %)**[+CGACT: <cid>,<state>]
	84	+[…]
	85	+OK**
	86	+
	87	+(% style="color:#037691" %)**<state> Integer type. The state of PDP context activation.
	88	+0 Deactivated
	89	+1 Activated
	90	+<cid> Integer type. A numeric parameter which specifies a particular PDP context definition (see
	91	+AT+CGDCONT).**(%%)
	92	+
	93	+
	94	+**Note:Note that having a cell ID attached to the network does not necessarily mean successful activation. For data exchange, such as initiating HTTP requests, activation is necessary to use them.**