Napatech card
A specialized network card which does part of the packet filtering and processing in dedicated hardware, as opposed to doing filtering and processing on the CPU.
Probe
A machine which filters and processes network traffic. It does not calculate the statistics.
RTP
RTP (Real-time Transport Protocol) is the voice part of the network traffic, as opposed to the signaling (meta) part.
VLAN
VLAN (Virtual Local Area Network) is a technique to separate a network into distinct, isolated broadcast domains. See https://en.wikipedia.org/wiki/Virtual_LAN.
