D-Link DVC-1000 - Manual (Page 59)

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IP address (Internet Protocol Address): An IP address is a number that
identifies a computer connected to the Internet. Every computer that is
connected to the Internet must have a unique IP address. An IP address
consists of four sections separated by periods. Each section contains
an 8-bit value represented as a number ranging from 0 to 255.
Public IP address: An IP address that is not behind a NAT router. This
IP address is visible from the Internet.
Private IP address: An IP address that is behind a NAT, which is not
visible to the Internet. The preferred ranges for private IP address are
either 192.168.x.x or 10.0.0.x.
Dynamic IP address: An IP address for a particular network device
(PC, VideoPhone, router) that is dynamically assigned by a router or
ISP and will not remain the same from session to session. See DHCP.
Static IP address: An IP address for a particular network device (PC,
VideoPhone, router) that doesn’t change. See DHCP.
ISP (Internet Service Provider): A commercial organization that provides
subscribers with access to the Internet.
LAN (Local Area Network): A network that is designed to span small distances.
These are most commonly used in small buildings, businesses and
homes with multiple PCs. See WAN.
MAC (Media Access Control): A unique identifier for the Ethernet hardware of
your DVC-1000.
NAT (Network Address Translation): A technology that allows multiple network
devices to share the same IP address. NAT devices forward all incoming
and outgoing information to the correct network devices. Most NAT
devices have firewall capabilities.
QCIF (Quarter Common Intermediate Format): An intermediate video format.
QCIF resolution is 176x144. The DVC-1000 VideoPhone will send
QCIF-sized video only if the remote endpoint cannot decode CIF.
Glossary of Terms (continued)