esp-idf/examples/protocols/pppos_client/main/Kconfig.projbuild

menu "Example Configuration"

    choice EXAMPLE_MODEM_DEVICE
        prompt "Choose supported modem device (DCE)"
        default EXAMPLE_MODEM_DEVICE_BG96
        help
            Select modem device connected to the ESP DTE.
        config EXAMPLE_MODEM_DEVICE_SIM800
            bool "SIM800"
            help
                SIMCom SIM800L is a GSM/GPRS module.
                It supports Quad-band 850/900/1800/1900MHz.
        config EXAMPLE_MODEM_DEVICE_BG96
            bool "BG96"
            help
                Quectel BG96 is a series of LTE Cat M1/Cat NB1/EGPRS module.
    endchoice

    config EXAMPLE_MODEM_PPP_AUTH_USERNAME
        string "Set username for authentication"
        default "espressif"
        help
            Set username for PPP Authentication.

    config EXAMPLE_MODEM_PPP_AUTH_PASSWORD
        string "Set password for authentication"
        default "esp32"
        help
            Set password for PPP Authentication.

    config EXAMPLE_SEND_MSG
        bool "Short message (SMS)"
        default n
        help
            Select this, the modem will send a short message before power off.

    if EXAMPLE_SEND_MSG
        config EXAMPLE_SEND_MSG_PEER_PHONE_NUMBER
            string "Peer Phone Number (with area code)"
            default "+8610086"
            help
                Enter the peer phone number that you want to send message to.
    endif


endmenu