Conference Call Conference Call Technology & Tools

Question 1

Which protocol is most commonly used to transmit voice data over the internet in conference calls?

Accepted Answer

VoIP

Answer

FTP

Answer

SMTP

Answer

HTTP

Question 2

What does the acronym PSTN stand for in the context of conference calling?

Accepted Answer

Public Switched Telephone Network

Answer

Private Secure Transmission Node

Answer

Protocol System Transfer Network

Answer

Public Signal Transfer Node

Question 3

What is a conference bridge in telephony?

Accepted Answer

A device or service that connects multiple callers into a single call

Answer

A physical bridge between two office buildings

Answer

A software for scheduling meetings

Answer

A type of noise-canceling hardware

Question 4

Which audio codec is widely considered high-definition (HD) quality in modern conference call platforms?

Accepted Answer

Opus

Answer

G.711

Answer

G.729

Answer

GSM

Question 5

What is the primary purpose of echo cancellation technology in conference calls?

Accepted Answer

To remove the speaker's own voice from their microphone pickup

Answer

To record the call for later playback

Answer

To mute background participants

Answer

To compress audio for faster transmission

Question 6

What does SIP stand for in conference call infrastructure?

Accepted Answer

Session Initiation Protocol

Answer

Secure Internet Protocol

Answer

Standard Integration Platform

Answer

Signal Interchange Process