I have problem with established ppp connection when SIM needs authentication (username and pw to APN). I removed line noauth and added text lines: user “YOUR USERNAME” and password “YOURPASSWORD”, but for every time if i do ‘sudo pon’ i have response:
/usr/bin/pppd: The remote system (3gppp) is required to authenticate itself
/usr/bin/pppd: but I couldn’t find any suitable secret (password) for it to user
to do so
Please help me.