Cisco 6921 is inexpensive business class IP phone model supporting video connection (Cisco UC Phone 6921, Standard Handset).
Cisco 6921 IP phone supports up to 2 lines has full-duplex loudspeaker, supports call holding on each line, hold, transfer, conference keys, tricolor indication of line condition, functional keys for simplified use of IP phone functions.
Additionally CP-6921 model has energy saving mode (deep sleep), reducing the energy consumption by 50% during of work hours.
Monochrome graphical 396 x 81 pixel LCD display, with white backlight and anti-reflection cover is optimized to work under different lighting conditions. 2 line keys with tricolor backlight for quick identification of call status 2 Ethernet 10/100BASE-T ports “Deep Sleep” energy saving mode, reducing the energy consumption by 50% during of work hours. VT Camera and Cisco Unified Video Advantage software (has to be purchased separately) for making the phone calls with using PC. Codec Support: G.711a, G.711, G.729a, G.729b and audio compression codec G.729ab Power voltage of 48 V DC, supplied with the assistance of option power block CP-PWR-CUBE-3 or power injector CP-PWR-INJ