Annex D18 Video Teleconferencing (VTC)

Question 0

Purpose of H.230 family of protocols as it relates to CSNs

Answer 0

VTCs conducted over the CSN utilized the H.320 standard

Question 1

Video Teleconferencing (VTC)

Answer 1

Offer commanders an unclassified or classified close video network cable of voice, video and data exchange to facilitate face to face comm, meetings, and planning sessions

Question 2

Purpose of the H.323 family of protocols as it relates to PSNs

Answer 2

Standard for VTCs conducted over PSNs

Question 3

Five (5) basic components of a VTC network

Answer 3

Video terminal
Gatekeeper
Gateway
Multipoint Conference Unit (MCU)
Proxy

Question 4

Minimum compression standard for a H.323 VTC network

Answer 4

128Kbps

64 Kbps for the voice circuit, 64 Kbps for the video circuit

Compression below 128 Kbps will make the VTC unusable