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Унифицированные простые в использовании телефонные аппараты Cisco 6921 обеспечивают высокую точность воспроизведения звука. Разработаны для организаций, которые адаптируются к изменениям рынка. Рентабельные компактные модели предоставляют доступ к расширенному набору возможностей.
Устройства отличаются безопасностью, гарантируют оптимальное качество и экономичность. Являются высокоэффективными и безотказными в работе. Удобны для пользователей, оборудованы превосходным пользовательским интерфейсом.
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Lighted Hold key |
The key lights when pressed to put a call on hold and stays lit until the held call has been resumed, or flashes if one call is held while another is engaged; the key is dark when no calls are on hold. |
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Lighted Menu key |
The key lights when pressed to access voicemail messages, call logs, network settings, user preferences, corporate directories, and XML services; it stays lit while menu items are active. |
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Lighted message waiting indicator |
The key lights when there is new voicemail, and the light is visible on both the phone chassis and the handset; it stays lit until you process your new voicemail. |
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Graphical display |
A 396 x 81 pixel-based, anti-glare, monochrome display with white backlight provides scrollable access to calling features and text-based XML applications. |
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Deep-Sleep option |
Power savings can be recognized by cycling power by time of day and day of week. |
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Co-branding |
Co-Branding button allows customers to include their logo on the Cisco Unified IP Phone 6900 Series phones. Cisco has approved third-party vendors to produce the buttons. |
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Speakerphone |
Full-duplex speakerphone allows for flexibility in placing and receiving calls. |
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Headset support |
RJ9 interface to optional headset allows customers to enjoy additional options for place and receiving calls. |
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Four softkey buttons and a scroll toggle bar |
Your calling options are dynamically present; the scroll toggle bar allows easy movement through the displayed information. |
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Network features |
Network features include Cisco Discovery Protocol and IEEE 802.1 p/q tagging and switching. |
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Ethernet switch |
The phone has a 10/100BASE-T Ethernet connection through two RJ-45 ports, one for the LAN connection and the other for connecting a downstream Ethernet device such as a PC. |
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Volume control |
A volume-control toggle provides easy decibel-level adjustments of the handset, monitor speaker, and ringer. |
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Dual-position foot stand |
The display is easy to view and the buttons and keys are easy to use; you can remove the foot stand for wall mounting, with mounting holes located on the base of the phone. |
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Codec support |
G.711a, G.711, G.729a, G.729b,G.729ab and iLBC audio-compression codecs are supported. |
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Voice quality |
Comfort-noise generation and voice-activity-detection (VAD) programming is provided on a system basis. |
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Video Communications |
Requires Cisco Unified Video Advantage 2.2 and the VTIII camera for support. |
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Security features |
● Certificates ● Image authentication ● Device authentication ● File authentication ● Signaling authentication ● Media encryption using Secure Real-Time Transfer Protocol (SRTP) ● Signaling encryption using Transport Layer Security (TLS) Protocol ● Encrypted configuration files Cryptography is not enabled by default and may only be enabled through a cryptographically enabled CUCM. |
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Firmware upgrades |
You can download firmware changes from Cisco.com. |
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Software upgrades |
Software upgrades are supported with a Trivial File Transfer Protocol (TFTP) server. |
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Dimensions (H x W x D) |
Cisco Unified IP Phone 6921: 164 x 188 x 205 mm (6.4 x 7.4 x 8.1 in.). |
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Weight |
Cisco Unified IP Phone 6921: Standard: 1031g (36 oz); Slimline: 940g (33 oz). |
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Phone casing composition |
Polycarbonate acrylonitrile butadiene styerene (ABS) plastic. |