Bob’s Bicycles currently has a room-based videoconferencing system that is connected to the PSTN via three BRIs. The company is converting to H.323 and would like to continue using the BRIs to make video calls to the suppliers. Which device should the company deploy?
A.
Cisco IPVC 3511
B.
Cisco IPVC 3521
C.
Cisco IPVC 3526
D.
Cisco IPVC 3540