The majority of PBX systems are able to output Call Detail Record (CDR) or Station Message Detail Record (SMDR). Basically the systems are the same and they contain detailed information of telephone activity inside the organization. Usually these reports contain information regarding all the incoming and outgoing calls, the information includes dates and times of the call, duration, direction, numbers dialed and Called ID.
VASC Software and Media Company Ho Chi Minh Branch
VNPT Vietnam - Biggest Vietnam Government Telecomm Company - VASC is a one of main branches of VNPT.
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