IP Centrex Voice over Packet (VoP/VoIP) service is a feature-rich, interoperable, broadband IP Telephony solution aimed at the needs of business customers.
Keywords: IP-Centrex,IP Centrex,Centrex,Multilocation Centrex,Multi-location Centrex,Voice over Packet,Voice over IP,IP Telephony,VoIP,VoP,IP Phone,LAN Phone