Erm - so as soon as it dials out, it could give a non-firewalled access to LAN, no? Maybe they also disconnected ethernet while connecting the phone cable, but

Erm - so as soon as it dials out, it could give a non-firewalled access to LAN, no? Maybe they also disconnected ethernet while connecting the phone cable, but not sure how effective they can diagnose a problem without the network in place.