Cisco 6921 Unified IP Phone
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.
Technical Characteristics:
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
The common name shared by communication protocols, technologies and
methods ensuring the transfer of the voice signal via the Internet network or
by any other IP-networks. The signal is transferred by the communication
channel in the digital form and, as a rule, before transferring compresses in
order to remove abundance.
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