Which component is needed for a voice call to be processed between the enterprise Cisco Unified Communications system and a cell phone via the PSTN?
Which component is needed for a voice call to be processed between the enterprise Cisco Unified Communications system and a cell phone via the PSTN?
A. Cisco Analog Voice Gateway VG224
B. Cisco Unified Communications Manager call processing node
C. Cisco Unified Communications Manager Music On Hold node
D. Cisco Integrated Service Router with digital signal processor resources
Correct Answer: D