Chapter 6: Glossary - Avaya H.323 9608 Installation And Management Manual

Chapter 6: Glossary

Glossary Description
Terms
802.1D 802.1Q defines a layer-2 frame structure that supports VLAN identification
802.1Q QoS mechanism is usually referred to as 802.1D.
802.1X Authentication method for a protocol requiring a network device to authenticate with a
back-end Authentication Server before gaining network access. Applicable 9600
Series IP deskphones support IEEE 802.1X for pass-through and for Supplicant
operation with the EAP-MD5 authentication method.
Application - Specific to a particular "application" running inside the deskphone. For example,
specific configuration file downloading, backup and restore of user data, HTTP push, and the
Web browser are all internal applications that use the HTTP protocol. Similarly, the
RTCP and CNA clients are internal applications that can invoke traceroute. This term
does not include Web page-based "applications" rendered in the Web browser.
ARP Address Resolution Protocol that you can use to verify that the IP address that the
DHCP server provides is not in use by another IP deskphone.
CLAN Control LAN, a type of Gatekeeper circuit pack.
CNA Converged Network Analyzer.
DHCP Dynamic Host Configuration Protocol, an IETF protocol used to automate IP Address
allocation and management.
DiffServ Differentiated Services, an IP-based QoS mechanism.
DNS Domain Name System, an IETF standard for ASCII strings to represent IP Addresses.
DNS is a distributed Internet directory service that translates domain names and IP
Addresses. For example, 9600 Series IP Deskphones use DNS to resolve names into
IP Addresses. DHCP, TFTP, and HTTP files use DNS names wherever IP addresses
are available and a valid DNS server exists.
Gatekeeper H.323 application that performs essential control, administrative, and managerial
functions in the media server. Sometimes called CLAN in Avaya documents.
H.323 A TCP/IP-based protocol for VoIP signaling.
HTTP Hypertext Transfer Protocol, used to request and transmit pages on the World Wide
Web.
HTTPS A secure version of HTTP.
IEEE Institute of Electrical and Electronics Engineers, an organization that, among other
things, produces standards applicable to Local Area Network equipment.
Installing and maintaining Avaya IP Deskphone H.323 9608, 9608G, 9611G, 9621G, and 9641GJanuary 2014 91