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Introduction
12 4600 Series IP Telephone Release 2.2 LAN Administrator Guide
What’s New in Release 2.2
New material in this release includes:
● Support for Avaya Communication Manager Release 2.2.
● Support for the 4621SW, 4622SW, and 4625SW IP Telephones.
● Support for HTTP, HTTPS, and TLS (Transport Layer Security) for
upgrade and settings files.
● Support for Avaya’s Converged Network Analyzer (CNA).
● Additional information about setting VLANTEST to “0” in the 46xxsettings file.
● New general system parameters: CNAPORT, CNASRVR, L2Q, TLSSRVR.
● New 4625SW system parameter: BAKLIGHT.
Terms Used in This Guide
802.1D
802.1Q
802.1Q defines a layer 2 frame structure that supports VLAN identification and a QoS
mechanism usually referred to as 802.1D.
ARP Address Resolution Protocol, used, for example, to verify that the IP Address
provided by the DHCP server is not in use by another IP telephone.
CELP Code-excited linear-predictive. Voice compression requiring only 16 kbps of
bandwidth.
CLAN Control LAN, type of Gatekeeper circuit pack.
CNA Converged Network Analyzer, an Avaya product to test and analyze network
performance.
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.
Gate-keeper H.323 application that performs essential control, administrative, and managerial
functions in the media server. Sometimes called CLAN in Avaya documents.
HTTP Hypertext Transfer Protocol, used to request and transmit pages on the World Wide
Web.
HTTPS A secure version of HTTP.
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