Pristup na modemovy port.
Po riadku kde je telefonne cislo nasleduje riadok dialout (volanie von)
na cislo z predosleho. Prvym volanim zadal cislo a druhe je callback.
Unixmeno Port    Datum       Od    -  Do    (Dlzka)     Rychl: MENO     CISLO
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a_ppp    ttyS0 Mon Nov  9 16:38:52 - 16:38  (00:00)     1440 :ok:bobovsky 274
dialout  ttyS0 Mon Nov  9 16:39:07   still logged in    call :ok:bobovsky
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