Tech November 16, 2021 0Comment ShareTrx_addons_twitterTrx_addons_facebookGoogle+E-mailHow pbx telephone system Works! About a PBX Phone System: A PBX phone system is a private branch exchange that provides automated telephone service for… Tech November 16, 2021 0Likes 278Views ShareTrx_addons_twitterTrx_addons_facebookGoogle+E-mail