找考题网-背景图
单项选择题

A. single site with centralized call processingB. singl……

Which IP telephony deployment model uses an H.225 Gatekeeper-Controlled trunk for call admission control within existing H.323 environments?()

A. single site with centralized call processing
B. single site with distributed call processing
C. multisite with centralized call processing
D. multisite with distributed call processing