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Terms used in this guide, Terms used in this guide -2 – Avaya 4600 Series User Manual

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Introduction

Document Organization

1-3

Terms Used in This Guide

1

802.1p

802.1Q

802.1Q defines a layer 2 frame structure that supports VLAN
identification and a QoS mechanism usually referred to as
802.1p, but the content of 802.1p is now incorporated in 802.1D.

ARP

Address Resolution Protocol, used 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 TN799 circuit pack.

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.

IETF

Internet Engineering Task Force, the organization that produces
standards for communications on the internet.

LAN

Local Area Network.

LDAP

Lightweight Directory Access Protocol, an IETF standard for
database organization and query exchange.

MAC

Media Access Control, ID of an endpoint.

NAPT

Network Address Port Translation.

NAT

Network Address Translation.

PSTN

Public Switched Telephone Network, the network used for
traditional telephony.

QoS

Quality of Service, used to refer to a number of mechanisms
intended to improve audio quality over packet-based networks.

RRQ

Read Request packet, a message sent from the 4600 Series IP
Telephone to the TFTP server, requesting to download the
upgrade script and the application file.

RSVP

Resource ReSerVation Protocol, used by hosts to request
resource reservations throughout a network.

RTCP

RTP Control Protocol, monitors quality of the RTP services and
can provide real-time information to users of an RTP service.

RTP

Real-time Transport Protocol, provides end-to-end services for
real-time data (such as voice over IP).

TCP/IP

Transmission Control Protocol/Internet Protocol, a network-layer
protocol used on LANs and internets.