What minimum video bandwidth have you to configure for a CTS1300 call @ 1080p in Cisco Unified Communications Manager Region Page?

What minimum video bandwidth have you to configure for a CTS1300 call @ 1080p in Cisco Unified Communications Manager Region Page?

A.
3000 kbps

B.
3500 kbps

C.
4000 kbps

D.
2000 kbps