PBX ぴいびいえっくすです piibiiekkusudesu 1. PBX; It is a PBX. 敬 敬 Noun #281542 Open Menu Add to collection... Open
PBX ぴい・びい・えっくす pii·bii·ekkusu 1. Private Branch eXchange; PBX Noun #222533 Open Menu Add to collection... Open
デジタルPBX ぴいびいえっくすです dejitarupiibiiekkusudesu 1. Digital PBX. 敬 敬 Noun Open Menu Add to collection... Open