Operation Manual

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OpenScape Desk Phone CP100/200/CP205/CP400/CP600/600E HFA, Administration Manual
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Glossary
I
IP
Internet Protocol. A data-oriented network layer protocol used for transferring data across
a packet-switched internetwork. Within this network layer, reliability is not guaranteed.
IP address
The unique address of a terminal device in the network. It consists of four number blocks
of 0 to 255 each, separated by a point.
J
Jitter
Latency fluctuations in the data transmission resulting in distorted sound.
L
LAN
Local Area Network. A computer network covering a local area, like an office, or group of
buildings.
Layer 2
2nd layer (Data Link Layer) of the 7-layer OSI model for describing data transmission inter-
faces.
Layer 3
3rd layer (Network Layer) of the 7-layer OSI model for describing the data transmission in-
terfaces.
LCD
Liquid Crystal Display. Display of numbers, text or graphics with the help of liquid crystal
technology.
LDAP
Lightweight Directory Access Protocol. Simplified protocol for accessing standardized di-
rectory systems, e.g., a company telephone directory.
LED
Light Emitting Diode. Cold light illumination in different colours at low power consumption.
M
MAC Address
Media Access Control address. Unique 48-bit identifier attached to network adapters.