V85 Desktop VoIP Phone User Guide
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YML772 Rev1
network
A group of computers that are connected together, allowing them to
communicate with each other and share resources, such as software,
files, etc. A network can be small, such as a LAN, or very large, such
as the Internet.
Network mask
A network mask is a sequence of bits applied to an IP address to
select the network ID while ignoring the host ID. Bits set to 1
mean “select this bit” while bits set to 0 mean “ignore this bit.” For
example, if the network mask 255.255.255.0 is applied to the IP
address 100.10.50.1, the network ID is 100.10.50, and the host ID is
1. See also binary, IP address, subnet
NIC
Network Interface Card An adapter card that plugs into your
computer and provides the physical interface to your network
cabling, which for Ethernet NICs is typically an RJ- 45 connector.
See Ethernet, RJ-45.
packet
Data transmitted on a network consists of units called packets. Each
packet contains a payload (the data), plus overhead information
such as where it came from (source address) and where it should go
(destination address).
ping
Packet Internet (or Inter-Network) Groper A program used to verify
whether the host associated with an IP address is online. It can also
be used to reveal the IP address for a given domain name.
port
A physical access point to a device such as a computer or router,
through which data flows into and out of the device.
POTS
Plain Old Telephone Service Traditional analog telephone service
using copper telephone lines. Pronounced pots. See also PSTN.
POTS splitter
See splitter.
PPP
Point-to-Point Protocol A protocol for serial data transmission that is
used to carry IP (and other protocol) data between your ISP and your
computer. The WAN interface on the ADSL modem uses two forms
of PPP called PPPoA and PPPoE. See also PPPoA, PPPoE.
PPPoA
Point-to-Point Protocol over ATM One of the two types of PPP
interfaces you can define for a Virtual Circuit (VC), the other type
being PPPoE. You can define only one PPPoA interface per VC.
PPPoE
Point-to-Point Protocol over Ethernet One of the two types of PPP
interfaces you can define for a Virtual Circuit (VC),the other type
being PPPoA. You can define one or more PPPoE interfaces per VC.
protocol
A set of rules governing the transmission of data. In order for a data
transmission to work, both ends of the connection have to follow the
rules of the protocol.
remote
In a physically separate location. For example, an employee away on
travel who logs in to the company’s intranet is a remote user.
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