AVOlio wroteI very much doubt it.
I mean ogero might have been unprofessional during a very long time, but this much? I don't think so, I think they surely counter measured this, in some way that you can't use ur username in 2 places at all, add to that simultaneously.
Surely every username/ every Lumber works only with its relevant landline phone number.
I thought it was a well known thing , as far as I know you can use same L number on different landlines in different regions .
You can use it at the same time but the bandwidth will be double so it's not a smart move... Unless you have unlimited then yeh