Patton SmartNode SN-SFP Series User Manual page 9

SN-SFP VoIP Gateway
Abbreviation
SIP
VoIP
TDM
E1
D-Channel
PBX
SNMP
CDR
DHCP
DNS
DTMF
HTTP
IP
ISDN
IVR
MG
PCM
PSTN
RTP
RTCP
TCP
Description
The Session Ini,a,on Protocol (SIP) is a communica,ons protocol for
signaling, for the purpose of controlling mul,media communica,on
sessions. Internet telephony, business IP telephone systems, service
providers and all of the carriers use SIP.
Voice over IP is a methodology and group of technologies for the delivery of
voice communica,ons and mul,media sessions over Internet Protocol (IP)
networks, such as the Internet.
Time-division mul,plexing (TDM) is a method of transmiFng and receiving
independent signals over a common signal path by means of synchronized
switches at each end of the transmission line so that each signal appears on
the line only a frac,on of ,me in an alterna,ng paHern. It is used when the
data rate of the transmission medium exceeds that of signal to be
transmiHed.
Standard of digital transmission of data
D Channel (delta channel) is a telecommunica,ons term which refers to the
ISDN channel in which the control and signaling informa,on is carried.
Private Branch Exchange
Simple Network Management Protocol
Call Detail Record
Dynamic Host Configura,on Protocol
Domain Name Service
Dual-Tone Mul, Frequency (tones)
HyperText Transfer Protocol. Refer to IETF RFC 1945 and RFC 2068
Internet Protocol. An Internet network-layer protocol
Integrated Services Digital Network
Interac,ve Voice Response system
Media Gateway. Provides the bearer circuit interfaces to the PSTN and
transcodes the media stream.
Pulse-code Modulation (PCM) is a method used to digitally represent
sampled analog signals.
Public Switched Telephone Network
Real-,me Transport Protocol. A protocol for encapsula,ng encoded voice
and video streams. Refer to IETF RFC 1889.
Real-Time Control Protocol
Transmission Control Protocol
User Manual
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