WebRTC is used for which type of calls?

WebRTC is used for which type of calls?
A . video calls only
B . calls originated from internal web browsers only
C . calls originated from external web browsers only
D . calls originated from internal and external web browsers

Answer: D

Explanation:

The Avaya WebRTC Snap-in enables users inside or outside the Enterprise to make a secure call from their web browser to any endpoint to which Avaya Aura can deliver calls.

References: Avaya WebRTC Snap-in Reference, Release 3.1 (May 2016), page 6 https://downloads.avaya.com/css/P8/documents/101013939