Differences

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--- gsmsms [2025/02/18 23:19] – created jwan
+++ gsmsms [2025/10/10 10:15] (current) – external edit 127.0.0.1
@@ Line 20: / Line 20: @@
 AT+CMGR=1
 </code>
+To send SMS
+<code>
+AT+CMGS="xxxxxx"
+</code>
+To store SMS without sending
+<code>
+AT+CMGW="xxxxx"
+</code>
+To send similar message to multiple recipient
+<code>
+** use the AT+CMGW to store the message and get message location number **
+AT+CMSS=id,"xxxxxx"
+</code>
+To list all SMS
+<code>
+AT+CMGL="ALL"
+AT+CMGL="REC READ"
+AT+CMGL="REC UNREAD"
+AT+CMGL="STO UNSENT"
+</code>
+Other Basic AT Commands
+  * AT
+  * ATE   - Echo
+GSM Manufacturer Info
+  * AT+CGMI - Manufacturer Information
+  * AT+CGMM - Manufacturer Model
+  * AT+CGMR - Manufacturer Revision
+GSM Configuration
+  * AT+ICF  - Control Character Framing
+  * AT+IPR  - Fixed Local Rate (baud rate)
+  * AT+IFC  - Data Flow Control
+Network Command
+  * AT+CPIN - PIN required
+  * AT+CSQ  - Signal Quality
+  * AT+COPS - Operator Selection
+SMS Command
+  * AT+CMGF - Message Format
+  * AT+CMGS - Send SMS
+  * AT+CMGR - Read SMS
+  * AT+CMGD - Delete SMS
+  * AT+CMGDA - Delete All SMS