Just before PABX arrived together, organizations needed to use human operators to attach calls by hand. This process was time-consuming and lacked efficiency. PABX systems manufactured this complete course of action automatic. PBX and PABX are each private telephone networks. The terms are sometimes used interchangeably when referring to personal https://iptv-expert-premium41628.dailyblogzz.com/36224057/what-does-pabx-solutions-mean