Avaya 16-601443 manual Media, Channel, Encryption, QoS, Signaling, Unnamed, Registration, VoIP

Glossary of Terms

Media	Encryption of the audio information exchanged between the IP telephone and the call
Channel	server or far end telephone.
Encryption
NAPT	Network Address Port Translation.
	Network Address Translation.
NAT
OPS	Off-PBX Station.
	Hypertext Preprocessor, software used to assist in the format and display of Web
PHP
	pages.
PSTN	Public Switched Telephone Network, the network used for traditional telephony.
	Quality of Service, used to refer to several mechanisms intended to improve audio
QoS
	quality over packet-based networks.
RSVP	Resource ReSerVation Protocol, used by hosts to request resource reservations
	throughout a network.
	RTP Control Protocol, monitors quality of the RTP services and can provide real-time
RTCP
	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.
	Session Description Protocol. A well-defined format for conveying sufficient
SDP
	information to discover and participate in a multimedia session.
Signaling	Encryption of the signaling protocol exchanged between the IP telephone and the call
Channel	server. Signaling channel encryption provides additional security to the security
Encryption	provided by media channel encryption.
	Session Initiation Protocol. An alternative to H.323 for VoIP signaling. This protocol is
SIP
	not applicable to 1600 Series IP Telephones.
SNTP	Simple Network Time Protocol. An adaptation of the Network Time Protocol used to
	synchronize computer clocks in the internet.
	Transmission Control Protocol/Internet Protocol, a network-layer protocol used on
TCP/IP
	LANs and internets.
TFTP	Trivial File Transfer Protocol, used to provide downloading of upgrade scripts and
	application files to certain IP telephones.
	Transport Layer Security, an enhancement of Secure Sockets Layer (SSL). TLS is
TLS
	compatible with SSL 3.0 and allows for privacy and data integrity between two
	communicating applications.
UDP	User Datagram Protocol, a connectionless transport-layer protocol.
	Registration with Avaya Aura Communication Manager by an IP telephone with no
Unnamed
Registration	extension. Allows limited outgoing calling.
VLAN	Virtual LAN.
	Voice over IP, a class of technology for sending audio data and signaling over LANs.
VoIP
	2 of 2

124 Avaya 1600 Series IP Deskphones Administrator Guide