How to check periodically if the modem can do outbound calls

[guru]

I know Method B, but with kermit, see here:

Connecting to analog modem

Interesting, nostalgic and very nerdy So, you want to call to a number where your modem is waiting and your question is, can L5 make an audio analog data connection to it? (for a moment there I was confused and though you wanted to connect the modem to L5 to act as a modem for it - from possibly flakey 4G to more robust 56.6 ) Have you done anything like this on linux before? I think what you need is something like GitHub - kamalmostafa/minimodem: general-purpose software a…