Dev, I think before entering data mode you need to activate the PDP context using AT+CGACT=1,1 So before msg8 you need to send that command.
Try it. Ajay From: Devanand Biradar Sent: Wednesday, November 14, 2018 8:43 PM To: Mailing list for lwIP users Subject: Re: [lwip-users] LWIP/PPPOS for GSM module Hello Sylvain, This are the commands I am using before PPP session ---> #define msg "AT\r\n" #define msg1 "ATZ\r\n" #define msg2 "ATE0\r\n" #define msg3 "AT+CFUN=1\r" #define msg4 "AT+CNMI=0,0,0,0,0\r" #define msg5 "AT+CPIN?\r" #define msg6 "AT+CREG?\r" #define msg7 "AT+CGDCONT=1,\"IP\",\"internet\"\r" #define msg8 "AT+CGDATA=\"PPP\",1\r" After msg8 I have received the CONNECT response & after that the PPP session starts. I need to enable the LWIP debug. DEV
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