Technician 2022-2026T8C07
What is Voice Over Internet Protocol (VoIP)?
D
Answer
Signals, emissions, and modulation
Type
A
A set of rules specifying how to identify your station when linked over the internet to another station
B
A technique employed to “spot” DX stations via the internet
C
A technique for measuring the modulation quality of a transmitter using remote sites monitored via the internet
D
A method of delivering voice communications over the internet using digital techniques
Answer Notes
Voice Over Internet Protocol (VoIP) is a standard technology that converts analog audio signals into digital data packets so they can be sent across the internet. In amateur radio, VoIP is the foundational technology behind networks like EchoLink, IRLP, and various digital radio bridging systems.
By using VoIP, amateur radio operators can link local RF repeaters or individual stations globally without relying on atmospheric propagation. The distractors are incorrect because VoIP has nothing to do with spotting DX stations, measuring modulation, or specific station identification rules.
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How is over the air access to IRLP nodes accomplished?
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What is the Internet Radio Linking Project (IRLP)?