Avaya 4600 사용자 설명서
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Document Organization
Issue 4 August 2006
15
LLDP
Link Layer Discovery Protocol. All IP Telephones with an Ethernet interface support
the transmission and reception of LLDP frames on the Ethernet line interface in
accordance with IEEE standard 802.1AB.
the transmission and reception of LLDP frames on the Ethernet line interface in
accordance with IEEE standard 802.1AB.
MAC
Media Access Control, ID of an endpoint.
Media
Channel
Encryption
Channel
Encryption
Encryption of the audio information exchanged between the IP telephone and the call
server or far end telephone.
server or far end telephone.
NAPT
Network Address Port Translation.
NAT
Network Address Translation.
OPS Off-PBX
Station.
PAE
Port Access Entity. The protocol entity associated with a port. The PAE supports the
protocol functionality associated with the authenticator, supplicant, or both.
protocol functionality associated with the authenticator, supplicant, or both.
PHP
Hypertext Preprocessor, software used to assist in the format and display of Web
pages.
pages.
PoE
Power over Ethernet.
PSTN
Public Switched Telephone Network, the network used for traditional telephony.
QoS
Quality of Service, used to refer to several mechanisms intended to improve audio
quality over packet-based networks.
quality over packet-based networks.
Registration
Server
Server
A SIP server that accepts REGISTER requests. The Registration Server places the
information received in the requests into the location service for the domain the
server handles.
information received in the requests into the location service for the domain the
server handles.
RSVP
Resource ReSerVation Protocol, used by hosts to request resource reservations
throughout a network.
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.
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.
as voice over IP.
SDP
Session Description Protocol. A well-defined format for conveying sufficient
information to discover and participate in a multimedia session.
information to discover and participate in a multimedia session.
Signaling
Channel
Encryption
Channel
Encryption
Encryption of the signaling protocol exchanged between the IP telephone and the call
server. Signaling channel encryption provides additional security to the security
provided by media channel encryption.
server. Signaling channel encryption provides additional security to the security
provided by media channel encryption.
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