VoIP Glossary

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Voip News

WhatsApp Begins Voice Calling Feature
WhatsApp is a popular messaging service that many people use in lieu of SMS messaging. Recently, WhatsApp began gradually rolling out a new VoIP feature that will allow users in India to engage in voice…

Voxox Will Now Supply Cloud Phone Hosted VoIP
Every business owner is looking for ways to save money, time, and to increase the productivity of their business. Voxox, an internet phone service provider, is now offering a solution to this concern.…

Voip Press releases

4PSA Receives 2014 INTERNET TELEPHONY Product of the Year Award
Orlando, Florida - February 4, 2014 - 4PSA - a technology leader in cloud communications software, announced today that TMC, a global, integrated media company, has named VoipNow Cloud OnDemand as a recipient…

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-A-

Analog audio signals
Asynchronous Communication
ATA
Audio encoding
Audio Menu
Audio Response Unit (ARU)
Audio Teleconferencing

-B-

Bandwidth

-C-

C-message noise
Cable modem
Call duration
Call hunting
Call setup time
Circuit switched networks
Class 5 (Telephony) switch
Client (Softphone client)
Clipping
Codec
Compression
Conference Bridge

-D-

Data compression
Dial-tone delay
Digital Subscriber Line
DNS
DSL modem
Dual-tone multifrequency (DTMF)

-E-

E-1
E911
Echo-path delay (EPD)
Echo-path loss (EPL)
Emergency 911 calls
ENUM (E.164 Number Mapping)

-F-

Fax Server
Find-me/follow-me
Frame mutes
Frame Relay
Full Duplex

-G-

Gateway In VoIP systems

-H-

H.261
H.264
H.323
High-availability

-I-

IM
IMS
Interactive Voice Response IVR
Internet
Internet congestion
Internet Telephony (AKA IP Telephony)
IP
IP address
IP mapping
IP Phone (AKA Internet Phone or SIP Phone or VoIP Phone (or H.323 Phone))
ISP
ITU

-J-

Jitter

-K-

Kbps

-L-

Lag
Latency

-M-

Mean opinion score (MOS)
MEGACO/H.248 (RFC 3525 defines version 1 (replaced MGCP))
Messaging
MGCP (later was replaced by Megaco/H.248)
Modem

-N-

NANP

-P-

Packet
Packet loss
Packet Switching
PBX
Peer-to-Peer (P2P)
POP
Post-dial delay
POTS (plain old telephone service)
Protocol
PSTN

-Q-

QoS (quality of service)

-R-

Real Time
RJ-11
RJ-45
Router

-S-

Sampling
Service Provider
Signaling System #7
SIP (Session Initiation Protocol)
SIP phone (Also see above IP Phone)
Skype
Soft phone
Soft switch
Speech power
Speech Recognition
Store And Forward

-T-

T-1
T-3
TCP
Telephony

-U-

UNIX

-V-

Video encoding
Voice Messaging
VoIP (Voice over IP)
VoIP closed systems (as opposed to Open Standards (such as SIP, H.323 or MGCP)
VOIP Gateway
VOIP PBX
VOIP Phone

-W-

Web Browser
Web Server
Web-Enabled Call Center
Wideband noise
WiFi Hotspot
WiFi phone

Business VOIP Providers
  • Vonage Business

  • Intermedia

  • MegaPath

  • RingCentral VoIP



Residential VOIP Providers
  • VoIPo

  • ITP VoIP

  • Axvoice



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