Questions and Answers
What does VoIP stand for?
What is a LAN?
Local Area Network
What does IPT stand for in relation to VoIP?
IP telephony
What is a Protocol?
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What is a MAC address?
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What is the function of a codec device?
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What does NTP stand for?
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What is a soft phone?
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What is the role of RTP?
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POTS stands for Plain Old Telephone Service.
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What is an analog modulation?
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What does WAN stand for?
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What is Real-time Transport Control Protocol (RTCP)?
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The wiring between the phone company facility and the customer is known as the ______.
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What is the purpose of packet-switched protocols?
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Interoperability refers to the ability to work over all kinds of networks.
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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.
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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.
