Example of using ESP32 with GSM modem and lwip+pppos
PPPoS / cellullar modem support
stm32f103rc freeRTOS lwip pppos
A client library for gsm ppp protocol. This library can be used to make GET and POST requests and to connect mqtt with PubSubClient. It supports ESP32.
Collection of ESP-IDF components related to networking protocols
Internet(GSM)+SIM800+PPPoS(USART)+STM32F407+Ethernet+PC
LWIP+STM32F429+PPPOS