Created How to make phone call / send sms with 4G extension (markdown)

How-to-make-phone-call---send-sms-with-4G-extension.md

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+First we need [power on the 4G extension](https://github.com/clockworkpi/uConsole/wiki/How-to-use-the-4G-extension) in uConsole
+
+Then use [AT commands](https://github.com/clockworkpi/uConsole/blob/master/SIM7500_SIM7600%20Series_AT%20Command%20Manual_V3.00.pdf) to do the jobs in uConsole
+
+## Check sim card if is ready
+```
+echo -en "AT+CPIN?\r\n" | sudo socat - /dev/ttyUSB3,crnl
+
++CPIN: READY
+
+OK
+```
+
+## Check ISP info
+```
+echo -en "AT+COPS?\r\n" | sudo socat - /dev/ttyUSB3,crnl
+
++COPS: 0,0,"SOME-ISP",7
+
+OK
+```
+
+## Make phone call
+```
+echo -en "ATD123456;\r\n" | sudo socat - /dev/ttyUSB3,crnl
+
+OK
+
++CLCC: 3,0,2,0,0,"123456",129
+```
+
+replace **123456** with your really target phone number
+
+## Hang up phone call
+```
+echo -en "AT+CVHU=0\r\n" | sudo socat - /dev/ttyUSB3,crnl
+echo -en "ATH\r\n" | sudo socat - /dev/ttyUSB3,crnl
+
+OK
+
++CLCC: 3,0,6,0,0,"123456",129
+
+OK
+```
+
+## Answer phone call
+```
+echo -en "ATA\r\n" | sudo socat - /dev/ttyUSB3,crnl
+
+VOICE CALL: BEGIN
+or
+NO CARRIER
+
+```
+## Network state
+```
+echo -en "AT+CGREG?\r\n" | sudo socat - /dev/ttyUSB3,crnl
+
++CGREG: 2,1,E7B6,EA22BB2
+
+OK
+```
+
+## Send text message
+```
+echo -e "ATZ\r" | sudo socat - /dev/ttyUSB3,crnl
+sleep 1
+echo -e "AT+CMGF=1\r" | sudo socat - /dev/ttyUSB3,crnl
+sleep 1
+echo -e "AT+CMGS=\"123456\""  | sudo socat - /dev/ttyUSB3,crnl
+sleep 1
+echo -e "Hello this is SMS message from shell\x1A" | sudo socat - /dev/ttyUSB3,crnl
+sleep 1
+echo -en "ATE0\r\n" | sudo socat - /dev/ttyUSB3,crnl
+```