tail drop

Discarding packets because a queue overflows.

TCP connect

A message sent to set up a connection between a Cisco IP phone and a backup CallManager server.

time-division multiplexing (TDM)

A process of sending multiple conversations on a single connection by giving different time slices to different conversations.

tip and ring

A pair of wires leaving your phone, going into your RJ-11 wall jack, and traveling back to the telephone switch at your local central office.

toll bypass

The process of sending voice calls across an IP WAN, as opposed to sending calls over a long-distance network.

traffic engineering

The process of calculating the required amount of bandwidth (or number of trunks in a PBX environment) to accommodate a specific call volume.


A connection used to tie PBXs together. A trunk also defines an interswitch connection used to carry traffic from multiple VLANs.

Voice over IP First-Step
Voice over IP First-Step
ISBN: 1587201569
EAN: 2147483647
Year: 2005
Pages: 138
Authors: Kevin Wallace

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