PBX, e khutsufalitsoeng bakeng sa Private Branch Exchange, ke marang-rang a poraefete a mohala a tsamaisoang ke k'hamphani e le 'ngoe. E tumme ka lihlopha tse kholo kapa tse nyane, PBX ke sistimi ea mehala e sebelisoang ka har'a mokhatlo kapa khoebo ke basebetsi ba eona ho fapana le batho ba bang, ho letsetsa mehala ka...
Bala haholoanyane