Call Center Hosting VoIP & Telephony Fundamentals 3

Question 1

What is WebRTC primarily used for in modern hosted call centers?

Accepted Answer

Browser-based voice and video communication without plugins

Answer

WebRTC enables real-time voice, video, and data communication directly in web browsers without any additional plugins.

Question 2

What does QoS (Quality of Service) configuration achieve in a call center network?

Accepted Answer

Prioritizes voice traffic to minimize latency and jitter

Answer

QoS configurations tag and prioritize voice packets so they receive preferential treatment over other network traffic.

Question 3

A call center uses E.164 format for phone numbers. What does this mean?

Accepted Answer

Numbers follow an international format with country code prefix

Answer

E.164 is the ITU-T international numbering standard that specifies phone numbers with a country code prefix (e.g., +12025551234).

Question 4

What is SRTP used for in VoIP call centers?

Accepted Answer

Encrypting voice media streams for security

Answer

SRTP (Secure Real-time Transport Protocol) encrypts voice media streams to protect calls from eavesdropping.

Question 5

What is the function of a media gateway in a hosted call center?

Accepted Answer

Converts between PSTN circuit-switched and VoIP packet-switched formats

Answer

A media gateway translates voice traffic between traditional PSTN circuits and VoIP packet networks.

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