@Article{IWS_WIcaksana:2006g,
  Author         = {Wicaksana, I Wayan S},
  Title          = {Vo{IP} and {C}onventional {PABX} together based on
                   {O}pen {S}ource {A}sterisk},
  Journal        = {Journal of Information System \& Technology (JISyT)},
  Volume         = {1},
  Pages          = {85-94},
  issn           = {0960-0582},
  providedby     = {iwayan@staff.gunadarma.ac.id},
  year           = 2006
}