VoIP for Dummies Flashcards

Study Notes

VoIP Overview

VoIP stands for Voice over Internet Protocol, enabling voice transmission over computer networks.
Integrates multiple locations and mobile workers into a single communications network.

Networking Terms

IP (Internet Protocol) is the foundation for all types of networks, including corporate and wireless.
Protocols are rules determining how network traffic is packaged for transmission.

VoIP Specific Terms

IP Telephony (IPT) is a synonym for VoIP, facilitating enhanced voice communication via Internet protocols.
LAN (Local Area Network) connects devices within a limited area like homes or offices.
WAN (Wide Area Network) spans large geographical distances and often utilizes leased telecommunication circuits.

Telephone Services

POTS refers to Plain Old Telephone Service, the traditional telephone network.
PSTN is the Public Switched Telephone Network, the system underpinning POTS.

Communication Methods

Circuit-switched technology dedicates specific circuits to single communication sessions, typical in analog phones.
Packet-switched protocols encapsulate voice signals into packets, facilitating efficient transmission over networks.

Device and Hardware Terms

Interoperable technology functions across various networks seamlessly.
NIC (Network Interface Card) in IP phones allows for communication over networks and assigns MAC addresses.
MAC (Media Access Control) address is a unique identifier for network interfaces.

VoIP Features

Vemail refers to a voicemail feature in VoIP systems.
Soft phone software enables Internet-based telephone calls using standard computers instead of specialized hardware.

Networking Models

The TCP/IP model outlines the standards for data communication and consists of five layers for networking.
NTP (Network Time Protocol) ensures timely signal transmission during VoIP calls, improving call quality.
RTP (Real-time Transport Protocol) delivers audio and video data over IP networks, vital for streaming media.
RTCP (Real-time Transport Control Protocol) monitors transmission quality and synchronizes multiple media streams.

Signal and Transmission Concepts

Analog modulation converts sound into electromagnetic signals for transmission.
A trunk line is a primary telephone line circuit.
Codec devices encode or decode digital data streams, vital for analog-to-digital signal conversion.
The local loop refers to the wiring connecting a customer's premises to the phone company’s facility.

Description

Test your knowledge of VoIP terminology with these flashcards. Learn the essential terms and concepts related to voice over Internet protocol and its functionalities in modern communication networks. Perfect for beginners looking to understand VoIP in a simplified manner.