16:1516:15, 15 October 2023diffhist−50
Business telephone system
PBX is not "private branch exchange" but "public branch exchange". I don't think the term "private branch exchange" even exists in technical sense, branch of what?Tag: Reverted
16:1516:15, 15 October 2023diffhist−50
Business telephone system
PBX is not "private branch exchange" but "public branch exchange". I don't think the term "private branch exchange" even exists in technical sense, branch of what?Tag: Reverted