Hi Ludo, On Tue, 04 Sep 2018 22:53:19 +0200 ludo@gnu.org (Ludovic Courtès) wrote: > Do you think this can be optimized? I'll check. >Or would pppd enough be convenient? I think that pppd would work on the vast majority of modems (slow transfer speeds sometimes since many modems need network card emulation for the faster modes - but they do work with PPP just fine, just slow).