Hey Jorge > So I'm back again with my questions about the SIM7070G modem using a regular > UART instead of USB. > I have the modem fully working with a simple PPP + CHAT script, but it hangs > if I try to use ModemManager. > The problem is now I don't have much time to investigate where/why it exactly > hangs (ie: which at command delivered by ModemManager is "offending" the > modem). > > As a quick&dirty fix: Is there any way to specify a "custom" chat script to > ModemManager? >
There is no such thing sorry. The way to go from here would be to gather the MM debug logs and analyze where it is not working as expected: https://modemmanager.org/docs/modemmanager/debugging/ -- Aleksander