Yealink SIP-T38G, Administrator'S Manual

Page: 232 / 402

Appendix
219
802.1x--an IEEE Standard for port-based Network Access Control (PNAC). It is part of the
IEEE 802.1 group of networking protocols. It provides an authentication mechanism to
devices wishing to attach to a LAN or WLAN.
ACD (Automatic Call Distribution)--used to distribute calls from large volumes of
incoming calls to the registered IP phone users.
ACS (Auto Configuration server)--responsible for auto-configuration of the Central
Processing Element (CPE).
Cryptographic Key--a piece of variable data that is fed as input into a cryptographic
algorithm to perform operations such as encryption and decryption, or signing and
verification.
DHCP (Dynamic Host Configuration Protocol)--built on a client-server model, where
designated DHCP server hosts allocate network addresses and deliver configuration
parameters to dynamically configured hosts.
DHCP Option--can be configured for specific values and enabled for assignment and
distribution to DHCP clients based on server, scope, class or client-specific levels.
DNS (Domain Name System)--a hierarchical distributed naming system for computers,
services, or any resource connected to the Internet or a private network.
EAP-MD5 (Extensible Authentication Protocol- Message Digest Algorithm 5 )--only
provides authentication of the EAP peer to the EAP server but not mutual authentication.
FAC (Feature Access Code)--special patterns of characters that are dialed from a
phone keypad to invoke particular features.
HTTP (Hypertext Transfer Protocol)--used to request and transmit data on the World
Wide Web.
HTTPS (Hypertext Transfer Protocol over Secure Socket Layer)--a widely-used
communications protocol for secure communication over a network.
IEEE (Institute of Electrical and Electronics Engineers)--a non-profit professional
association headquartered in New York City that is dedicated to advancing
technological innovation and excellence.
LAN (Local Area Network)--used to interconnects network devices in a limited area such
as a home, school, computer laboratory, or office building.
PNP (Plug and Play)--a term used to describe the characteristic of a computer bus, or