Call Center Hosting VoIP & Telephony Fundamentals

Question 1

What does VoIP stand for?

Accepted Answer

Voice over Internet Protocol

Answer

Video over IP

Answer

Virtual Office Internet Platform

Answer

Voice on Internal Premises

Question 2

Which protocol is most commonly used to establish, modify, and terminate VoIP sessions in call centers?

Accepted Answer

SIP

Answer

RTP

Answer

SMTP

Answer

SNMP

Question 3

What does a SIP trunk provide to a hosted call center?

Accepted Answer

Virtual phone lines that carry calls over the internet

Answer

Physical copper phone lines

Answer

Encrypted storage for call recordings

Answer

A hardware PBX replacement device

Question 4

Which codec is widely used in VoIP call centers and provides a balance between voice quality and bandwidth usage?

Accepted Answer

G.729

Answer

G.711

Answer

G.722

Answer

Opus

Question 5

What is the PSTN?

Accepted Answer

Public Switched Telephone Network

Answer

Private Secure Telephony Network

Answer

Packet-Switched Transmission Node

Answer

Primary SIP Trunk Network

Question 6

Which network quality issue causes voice packets to arrive out of order in a VoIP call?

Accepted Answer

Jitter

Answer

Latency

Answer

Packet loss

Answer

Bandwidth throttling