Phone Service Business VoIP Technology & Protocols 3

Question 1

What is the difference between UCaaS and CCaaS in business communications?

Accepted Answer

UCaaS unifies multiple communication channels for all employees; CCaaS is specifically designed for customer-facing contact centers

Answer

UCaaS is for video only; CCaaS is for voice only

Answer

UCaaS is on-premises only; CCaaS is cloud-only

Answer

They are the same product sold under different names

Question 2

What is WebRTC, and how is it relevant to business phone services?

Accepted Answer

A browser-based technology enabling real-time voice and video calls without plugins

Answer

A wired router standard for offices

Answer

A SIP protocol extension for mobile phones

Answer

A firewall rule set for VoIP security

Question 3

What is E.164 in telephony?

Accepted Answer

The international standard format for telephone numbers, including country code and subscriber number

Answer

A VoIP compression algorithm

Answer

A US-only number portability rule

Answer

A PBX hardware specification

Question 4

Which US regulation requires VoIP providers to support Enhanced 911 (E911) services?

Accepted Answer

FCC's VoIP E911 Order (2005)

Answer

HIPAA

Answer

TCPA

Answer

STIR/SHAKEN mandate

Question 5

What does STIR/SHAKEN refer to in US telecommunications?

Accepted Answer

A framework for authenticating caller ID to combat robocalling and spoofing

Answer

A standard for encrypting voicemail

Answer

A VoIP codec selection process

Answer

A QoS standard for SIP trunks

Question 6

What is number portability (LNP) and why is it important for US businesses?

Accepted Answer

The right to keep your phone number when switching carriers, protecting business continuity

Answer

The ability to use a phone in different countries

Answer

A method for encrypting phone numbers

Answer

A VoIP billing system