The Unified Video Camera appears on the back end of the phone display
The camera supports H.264 video for two-way standard-definition calling. Multiparty video calls require use of a customer-supplied multipoint control unit (MCU)
The camera does its own encoding and presents video in 24 frames per second in VGA resolution, or 30 frames per second in Common Intermediate Format (CIF) or Source Intermediate Format (SIF)
The camera also provides a self-view display in full screen or picture-in-picture on the phone
The Cisco Unified Video Camera for the Cisco Unified IP Phones 9900 Series is a standard-definition video accessory that enables two-way along with voice-activated switching and continuous presence multi-party video calling between Cisco Unified IP Phones 9900 Series endpoints. Multiparty video communications are supported with the addition of a multipoint control unit (MCU).